start-ver=1.4
cd-journal=joma
no-vol=25
cd-vols=
no-issue=1
article-no=
start-page=1
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2025
dt-pub=20250102
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Predictive marker for response to trifluridine/tipiracil plus bevacizumab in metastatic colorectal cancer patients
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Objective Trifluridine/tipiracil (FTD/TPI) is one of the options for late-line treatment of colorectal cancer (CRC). However, the specific patient populations that would particularly benefit from it remain unclear. This study attempted to identify predictive markers of chemotherapy efficacy with trifluridine/tipiracil (FTD/TPI), focusing on the RNA-editing enzyme adenosine deaminase acting on RNA 1 (ADAR1) expression and neutrophil-lymphocyte ratio (NLR).
Methods To assess the effectiveness of FTD/TPI in CRC patients, we retrospectively analyzed 72 CRC patients at Okayama University Hospital from 2014 to 2022.
Results Adding bevacizumab to FTD/TPI resulted in a more prolonged progression-free survival (PFS), consistent with the SUNLIGHT study findings (p = 0.0028). Among the participants, those with a high NLR had a shorter PFS (p = 0.0395). Moreover, high ADAR1 expression was associated with longer PFS (p = 0.0151). In multivariate analysis, low ADAR1 (HR = 3.43, p = 0.01) and absence of bevacizumab (HR = 4.25, p = 0.01) were identified as factors shortening PFS. The high ADAR1 group demonstrated fewer cases of progressive disease and a higher proportion of stable disease than the low ADAR1 group (p = 0.0288). Low NLR and high ADAR1 were predictive markers of prolonged PFS in the bevacizumab-treated group (p = 0.0036).
ConclusionLow NLR and high ADAR1 were predictive markers for a positive response to the FTD/TPI plus bevacizumab regimen associated with prolonged PFS. The FTD/TPI plus bevacizumab regimen should be proactively implemented in the low NLR and high ADAR1 subgroups.
en-copyright=
kn-copyright=
en-aut-name=TakahashiToshiaki
en-aut-sei=Takahashi
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ShigeyasuKunitoshi
en-aut-sei=Shigeyasu
en-aut-mei=Kunitoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=TakedaSho
en-aut-sei=Takeda
en-aut-mei=Sho
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=UmedaHibiki
en-aut-sei=Umeda
en-aut-mei=Hibiki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=MoriwakeKazuya
en-aut-sei=Moriwake
en-aut-mei=Kazuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=KayanoMasashi
en-aut-sei=Kayano
en-aut-mei=Masashi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=SakuraiYuya
en-aut-sei=Sakurai
en-aut-mei=Yuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=NakamuraShunsuke
en-aut-sei=Nakamura
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=TakahashiMasafumi
en-aut-sei=Takahashi
en-aut-mei=Masafumi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=NittaKaori
en-aut-sei=Nitta
en-aut-mei=Kaori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=YoshidaKazuhiro
en-aut-sei=Yoshida
en-aut-mei=Kazuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=MatsumiYuki
en-aut-sei=Matsumi
en-aut-mei=Yuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
en-aut-name=MichiueHiroyuki
en-aut-sei=Michiue
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=14
ORCID=
en-aut-name=YamamotoHideki
en-aut-sei=Yamamoto
en-aut-mei=Hideki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=15
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=16
ORCID=
en-aut-name=TeraishiFuminori
en-aut-sei=Teraishi
en-aut-mei=Fuminori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=17
ORCID=
en-aut-name=ShojiRyohei
en-aut-sei=Shoji
en-aut-mei=Ryohei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=18
ORCID=
en-aut-name=KanayaNobuhiko
en-aut-sei=Kanaya
en-aut-mei=Nobuhiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=19
ORCID=
en-aut-name=KashimaHajime
en-aut-sei=Kashima
en-aut-mei=Hajime
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=20
ORCID=
en-aut-name=KakiuchiYoshihiko
en-aut-sei=Kakiuchi
en-aut-mei=Yoshihiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=21
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=22
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=23
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=24
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=6
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=7
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=8
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=9
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=10
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=11
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=12
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=13
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=14
en-affil=Neutron Therapy Research Center, Okayama University
kn-affil=
affil-num=15
en-affil=Department of Clinical Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=16
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=17
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=18
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=19
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=20
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=21
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=22
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=23
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=24
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
en-keyword=ADAR1
kn-keyword=ADAR1
en-keyword=Colorectal cancer
kn-keyword=Colorectal cancer
en-keyword=Biomarker
kn-keyword=Biomarker
en-keyword=Trifluridine/tipiracil
kn-keyword=Trifluridine/tipiracil
END
start-ver=1.4
cd-journal=joma
no-vol=13
cd-vols=
no-issue=1
article-no=
start-page=2078
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2023
dt-pub=20230206
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=ADAR1 is a promising risk stratification biomarker of remnant liver recurrence after hepatic metastasectomy for colorectal cancer
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Adenosine-to-inosine RNA editing is a process mediated by adenosine deaminases that act on the RNA (ADAR) gene family. It has been discovered recently as an epigenetic modification dysregulated in human cancers. However, the clinical significance of RNA editing in patients with liver metastasis from colorectal cancer (CRC) remains unclear. The current study aimed to systematically and comprehensively investigate the significance of adenosine deaminase acting on RNA 1 (ADAR1) expression status in 83 liver metastatic tissue samples collected from 36 patients with CRC. The ADAR1 expression level was significantly elevated in liver metastatic tissue samples obtained from patients with right-sided, synchronous, or RAS mutant-type CRC. ADAR1-high liver metastasis was significantly correlated with remnant liver recurrence after hepatic metastasectomy. A high ADAR1 expression was a predictive factor of remnant liver recurrence (area under the curve = 0.72). Results showed that the ADAR1 expression level could be a clinically relevant predictive indicator of remnant liver recurrence. Patients with liver metastases who have a high ADAR1 expression requires adjuvant chemotherapy after hepatic metastasectomy.
en-copyright=
kn-copyright=
en-aut-name=HataNanako
en-aut-sei=Hata
en-aut-mei=Nanako
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ShigeyasuKunitoshi
en-aut-sei=Shigeyasu
en-aut-mei=Kunitoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=UmedaYuzo
en-aut-sei=Umeda
en-aut-mei=Yuzo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=TakedaSho
en-aut-sei=Takeda
en-aut-mei=Sho
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=YoshidaKazuhiro
en-aut-sei=Yoshida
en-aut-mei=Kazuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=FujiTomokazu
en-aut-sei=Fuji
en-aut-mei=Tomokazu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=YoshidaRyuichi
en-aut-sei=Yoshida
en-aut-mei=Ryuichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=YasuiKazuya
en-aut-sei=Yasui
en-aut-mei=Kazuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=UmedaHibiki
en-aut-sei=Umeda
en-aut-mei=Hibiki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=TakahashiToshiaki
en-aut-sei=Takahashi
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=14
ORCID=
en-aut-name=TeraishiFuminori
en-aut-sei=Teraishi
en-aut-mei=Fuminori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=15
ORCID=
en-aut-name=YamamotoHideki
en-aut-sei=Yamamoto
en-aut-mei=Hideki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=16
ORCID=
en-aut-name=MichiueHiroyuki
en-aut-sei=Michiue
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=17
ORCID=
en-aut-name=NakamuraKeiichiro
en-aut-sei=Nakamura
en-aut-mei=Keiichiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=18
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=19
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=20
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=6
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=7
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=8
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=9
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=10
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=11
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=12
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=13
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=14
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=15
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=16
en-affil=Department of Clinical Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=17
en-affil=Neutron Therapy Research Center, Okayama University
kn-affil=
affil-num=18
en-affil=Department of Obstetrics and Gynecology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=19
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=20
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
END
start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=13540
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2022
dt-pub=20220808
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=RNA editing facilitates the enhanced production of neoantigens during the simultaneous administration of oxaliplatin and radiotherapy in colorectal cancer
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Most cases of colorectal cancers (CRCs) are microsatellite stable (MSS), which frequently demonstrate lower response rates to immune checkpoint inhibitors (ICIs). RNA editing produces neoantigens by altering amino acid sequences. In this study, RNA editing was induced artificially by chemoradiation therapy (CRT) to generate neoantigens in MSS CRCs. Altogether, 543 CRC specimens were systematically analyzed, and the expression pattern of ADAR1 was investigated. In vitro and in vivo experiments were also performed. The RNA editing enzyme ADAR1 was upregulated in microsatellite instability-high CRCs, leading to their high affinity for ICIs. Although ADAR1 expression was low in MSS CRC, CRT including oxaliplatin (OX) treatment upregulated RNA editing levels by inducing ADAR1. Immunohistochemistry analyses showed the upregulation of ADAR1 in patients with CRC treated with CAPDX (capecitabine +OX) radiation therapy relative to ADAR1 expression in patients with CRC treated only by surgery (p <0.001). Compared with other regimens, CRT with OX effectively induced RNA editing in MSS CRC cell lines (HT29 and Caco2, p <0.001) via the induction of type 1 interferon-triggered ADAR1 expression. CRT with OX promoted the RNA editing of cyclin I, a neoantigen candidate. Neoantigens can be artificially induced by RNA editing via an OX-CRT regimen. CRT can promote proteomic diversity via RNA editing.
en-copyright=
kn-copyright=
en-aut-name=KomatsuYasuhiro
en-aut-sei=Komatsu
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=ShigeyasuKunitoshi
en-aut-sei=Shigeyasu
en-aut-mei=Kunitoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=TakedaSho
en-aut-sei=Takeda
en-aut-mei=Sho
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=TakahashiKazutaka
en-aut-sei=Takahashi
en-aut-mei=Kazutaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=HataNanako
en-aut-sei=Hata
en-aut-mei=Nanako
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=UmedaHibiki
en-aut-sei=Umeda
en-aut-mei=Hibiki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=YoshidaKazuhiro
en-aut-sei=Yoshida
en-aut-mei=Kazuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=YasuiKazuya
en-aut-sei=Yasui
en-aut-mei=Kazuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=YoshidaRyuichi
en-aut-sei=Yoshida
en-aut-mei=Ryuichi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
en-aut-name=TeraishiFuminori
en-aut-sei=Teraishi
en-aut-mei=Fuminori
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=14
ORCID=
en-aut-name=UmedaYuzo
en-aut-sei=Umeda
en-aut-mei=Yuzo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=15
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=16
ORCID=
en-aut-name=MichiueHiroyuki
en-aut-sei=Michiue
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=17
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=18
ORCID=
en-aut-name=GoelAjay
en-aut-sei=Goel
en-aut-mei=Ajay
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=19
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=20
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=6
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=7
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=8
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=9
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=10
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=11
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=12
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=13
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=14
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=15
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=16
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=17
en-affil=Neutron Therapy Research Center, Okayama University
kn-affil=
affil-num=18
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
affil-num=19
en-affil=Department of Molecular Diagnostics and Experimental Therapeutics, Beckman Research Institute, City of Hope Biomedical Research Center
kn-affil=
affil-num=20
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences
kn-affil=
END
start-ver=1.4
cd-journal=joma
no-vol=
cd-vols=
no-issue=
article-no=
start-page=FSO757
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=
dt-pub=
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Concordance of acquired mutations between metastatic lesions and liquid biopsy in metastatic colorectal cancer
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Aim: To evaluate whether PCR-reverse sequence-specific oligonucleotide can examine the concordance between liquid biopsy and metastatic lesions with acquired resistance. Materials & methods: We examined acquired mutations in chemoresistant lesions and blood obtained from four patients with RAS wildtype metastatic colorectal cancer who underwent treatment with anti-epidermal growth factor receptor antibodies. Results: In one patient, metastatic lesions harbored diverse acquired mutations in KRAS in all seven metastases; the two acquired mutations were detectable in blood collected after the patient acquired resistance. None of the other patients exhibited liquid biopsy mutations, except one, with a BRAF mutation confirmed in primary tumor and peritoneal dissemination. Conclusion: Liquid biopsy based on PCR-reverse sequence-specific oligonucleotide is a successful procedure for capturing acquired mutations with precise information on the RAS mutational spectrum.
en-copyright=
kn-copyright=
en-aut-name=TaniguchiFumitaka
en-aut-sei=Taniguchi
en-aut-mei=Fumitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NyuyaAkihiro
en-aut-sei=Nyuya
en-aut-mei=Akihiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=ToshimaToshiaki
en-aut-sei=Toshima
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=YasuiKazuya
en-aut-sei=Yasui
en-aut-mei=Kazuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=OkawakiMakoto
en-aut-sei=Okawaki
en-aut-mei=Makoto
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=UmedaYuzo
en-aut-sei=Umeda
en-aut-mei=Yuzo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=TaniokaHiroaki
en-aut-sei=Tanioka
en-aut-mei=Hiroaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=YamaguchiYoshiyuki
en-aut-sei=Yamaguchi
en-aut-mei=Yoshiyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=GoelAjay
en-aut-sei=Goel
en-aut-mei=Ajay
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil=Department of Clinical Oncology, Kawasaki Medical School
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Clinical Genetics & Digestive Tract & General Surgery, Saitama Medical Center, Saitama Medical University,
kn-affil=
affil-num=6
en-affil=Department of Clinical Oncology, Kawasaki Medical School
kn-affil=
affil-num=7
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=8
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=9
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
affil-num=10
en-affil=Department of Clinical Oncology, Kawasaki Medical School
kn-affil=
affil-num=11
en-affil=Department of Clinical Oncology, Kawasaki Medical School
kn-affil=
affil-num=12
en-affil=Department of Molecular Diagnostics & Experimental Therapeutics, Beckman Research Institute of City of Hope Comprehensive Cancer Center
kn-affil=
affil-num=13
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry & Pharmaceutical Sciences
kn-affil=
en-keyword=Acquired mutations
kn-keyword=Acquired mutations
en-keyword=BRAF
kn-keyword=BRAF
en-keyword=colorectal cancer
kn-keyword=colorectal cancer
en-keyword=liquid biopsy
kn-keyword=liquid biopsy
en-keyword=PCR-rSSO
kn-keyword=PCR-rSSO
en-keyword=RAS
kn-keyword=RAS
END
start-ver=1.4
cd-journal=joma
no-vol=22
cd-vols=
no-issue=2
article-no=
start-page=879
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2021
dt-pub=20210117
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Real-Time Fluorescence Image-Guided Oncolytic Virotherapy for Precise Cancer Treatment
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Oncolytic virotherapy is one of the most promising, emerging cancer therapeutics. We generated three types of telomerase-specific replication-competent oncolytic adenovirus: OBP-301; a green fluorescent protein (GFP)-expressing adenovirus, OBP-401; and Killer-Red-armed OBP-301. These oncolytic adenoviruses are driven by the human telomerase reverse transcriptase (hTERT) promoter; therefore, they conditionally replicate preferentially in cancer cells. Fluorescence imaging enables visualization of invasion and metastasis in vivo at the subcellular level; including molecular dynamics of cancer cells, resulting in greater precision therapy. In the present review, we focused on fluorescence imaging applications to develop precision targeting for oncolytic virotherapy. Cell-cycle imaging with the fluorescence ubiquitination cell cycle indicator (FUCCI) demonstrated that combination therapy of an oncolytic adenovirus and a cytotoxic agent could precisely target quiescent, chemoresistant cancer stem cells (CSCs) based on decoying the cancer cells to cycle to S-phase by viral treatment, thereby rendering them chemosensitive. Non-invasive fluorescence imaging demonstrated that complete tumor resection with a precise margin, preservation of function, and prevention of distant metastasis, was achieved with fluorescence-guided surgery (FGS) with a GFP-reporter adenovirus. A combination of fluorescence imaging and laser ablation using a KillerRed-protein reporter adenovirus resulted in effective photodynamic cancer therapy (PDT). Thus, imaging technology and the designer oncolytic adenoviruses may have clinical potential for precise cancer targeting by indicating the optimal time for administering therapeutic agents; accurate surgical guidance for complete resection of tumors; and precise targeted cancer-specific photosensitization.
en-copyright=
kn-copyright=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=HoffmanRobert M.
en-aut-sei=Hoffman
en-aut-mei=Robert M.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=6
en-affil=AntiCancer, Inc.
kn-affil=
en-keyword=cancer cell cycle
kn-keyword=cancer cell cycle
en-keyword=fluorescent proteins
kn-keyword=fluorescent proteins
en-keyword=FUCCI
kn-keyword=FUCCI
en-keyword=imaging
kn-keyword=imaging
en-keyword=adenovirus
kn-keyword=adenovirus
en-keyword=oncolytic virotherapy
kn-keyword=oncolytic virotherapy
en-keyword=cancer stem cell
kn-keyword=cancer stem cell
en-keyword=mouse model
kn-keyword=mouse model
en-keyword=orthotopic
kn-keyword=orthotopic
END
start-ver=1.4
cd-journal=joma
no-vol=9
cd-vols=
no-issue=
article-no=
start-page=16378
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2019
dt-pub=2019118
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Visualization of epithelial-mesenchymal transition in an inflammatory microenvironment-colorectal cancer network
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Epithelial-mesenchymal transition (EMT) is a biological process by which epithelial cells acquire mesenchymal characteristics. In malignant tumors, EMT is crucial for acquisition of a mesenchymal phenotype with invasive and metastatic properties, leading to tumor progression. An inflammatory microenvironment is thought to be responsible for the development and progression of colorectal cancer (CRC); however, the precise role of inflammatory microenvironments in EMT-related CRC progression remains unclear. Here, we show the spatiotemporal visualization of CRC cells undergoing EMT using a fluorescence-guided EMT imaging system in which the mesenchymal vimentin promoter drives red fluorescent protein (RFP) expression. An inflammatory microenvironment including TNF-alpha, IL-1 beta, and cytokine-secreting inflammatory macrophages induced RFP expression in association with the EMT phenotype in CRC cells. In vivo experiments further demonstrated the distribution of RFP-positive CRC cells in rectal and metastatic tumors. Our data suggest that the EMT imaging system described here is a powerful tool for monitoring EMT in inflammatory microenvironment-CRC networks.
en-copyright=
kn-copyright=
en-aut-name=IedaTakeshi
en-aut-sei=Ieda
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=OkabayashiHiroki
en-aut-sei=Okabayashi
en-aut-mei=Hiroki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=ShigeyasuKunitoshi
en-aut-sei=Shigeyasu
en-aut-mei=Kunitoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=OharaToshiaki
en-aut-sei=Ohara
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=NomaKazuhiro
en-aut-sei=Noma
en-aut-mei=Kazuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=NishizakiMasahiko
en-aut-sei=Nishizaki
en-aut-mei=Masahiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=ShirakawaYasuhiro
en-aut-sei=Shirakawa
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=SaitouTakashi
en-aut-sei=Saitou
en-aut-mei=Takashi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
en-aut-name=ImamuraTakeshi
en-aut-sei=Imamura
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=14
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=15
ORCID=
affil-num=1
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=2
en-affil= Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=3
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=4
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=6
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=7
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=8
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=9
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=10
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=11
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=12
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
affil-num=13
en-affil=Department of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine
kn-affil=
affil-num=14
en-affil=Department of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine
kn-affil=
affil-num=15
en-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
kn-affil=
END
start-ver=1.4
cd-journal=joma
no-vol=70
cd-vols=
no-issue=6
article-no=
start-page=511
end-page=514
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2016
dt-pub=201612
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Acute Bowel Injury due to Cryoablation for Renal Cell Carcinoma: Correlated Radiologic and Pathologic Findings
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=An 87-year-old Japanese man underwent percutaneous cryoablation (PCA) therapy for his renal cell tumor. We displaced the colon from the tumor using hydrodissection. Computed tomography (CT) immediately after PCA was indicative of iceball extension to the colon wall, and a discontinuous enhancement of the colon wall was observed. We therefore performed an emergency surgery. On laparotomy, we observed a dark-purple area on the affected area of the colon, and the resected specimen showed focal, deep ulceration on the mucosal surface. Photomicrography revealed mucosal necrosis, submucosal hemorrhage, and necrotic foci in the muscularis propria, corresponding to the discontinuous colon wall enhancement on CT and the deep ulceration and dark-purple area on laparotomy. He recovered from surgery and was discharged without any complications.
en-copyright=
kn-copyright=
en-aut-name=GobaraHideo
en-aut-sei=Gobara
en-aut-mei=Hideo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=HirakiTakao
en-aut-sei=Hiraki
en-aut-mei=Takao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=IguchiToshihiro
en-aut-sei=Iguchi
en-aut-mei=Toshihiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=FujiwaraHiroyasu
en-aut-sei=Fujiwara
en-aut-mei=Hiroyasu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=TanakaTakehiro
en-aut-sei=Tanaka
en-aut-mei=Takehiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=KanazawaSusumu
en-aut-sei=Kanazawa
en-aut-mei=Susumu
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
affil-num=1
en-affil=Department of Radiology,Okayama University Hospital
kn-affil=
affil-num=2
en-affil=Department of Radiology,Okayama University Hospital
kn-affil=
affil-num=3
en-affil=Department of Radiology,Okayama University Hospital
kn-affil=
affil-num=4
en-affil=Department of Radiology,Okayama University Hospital
kn-affil=
affil-num=5
en-affil=Department of Gastroenterological Surgery, Okayama University Hospital
kn-affil=
affil-num=6
en-affil=Department of Gastroenterological Surgery, Okayama University Hospital
kn-affil=
affil-num=7
en-affil=Department of Pathology, Okayama University Hospital
kn-affil=
affil-num=8
en-affil=Department of Radiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Science
kn-affil=
en-keyword=bowel injury
kn-keyword=bowel injury
en-keyword=complication
kn-keyword=complication
en-keyword=cryoablation
kn-keyword=cryoablation
en-keyword=renal cell carcinoma
kn-keyword=renal cell carcinoma
en-keyword=thermal ablation
kn-keyword=thermal ablation
END
start-ver=1.4
cd-journal=joma
no-vol=69
cd-vols=
no-issue=5
article-no=
start-page=267
end-page=273
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201510
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A Case-matched Comparative Study of Laparoscopic and Open Total Proctocolectomy for Ulcerative Colitis
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The aim of this single-institution, retrospective, observational case-control study was to evaluate the safety and feasibility of laparoscopic proctocolectomy (PC) for ulcerative colitis (UC), by comparing it with a case-control series of open PC. Twenty UC patients who underwent laparoscopic PC were retrospectively compared with the open PC group of 12 patients matched for age, sex, and urgency of the operation. In the laparoscopic PC group, the operative time was significantly longer, but the amount of blood loss was significantly smaller. The open PC patients underwent an intraoperative blood transfusion significantly more often, and the serum C-reactive protein level on the first postoperative day was significantly higher in the open PC group. In the laparoscopic PC group, the rate of severe postoperative morbidities, grades 3 and 4 on the Clavien-Dindo classification, was significantly lower, and the median length of hospital stay was significantly shorter. Laparoscopic PC for patients with UC showed superior perioperative outcomes to open PC, except for longer operative time.
en-copyright=
kn-copyright=
en-aut-name=InadaRyo
en-aut-sei=Inada
en-aut-mei=Ryo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=WatanabeAyako
en-aut-sei=Watanabe
en-aut-mei=Ayako
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=ToshimaToshiaki
en-aut-sei=Toshima
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=KubotaNobuhito
en-aut-sei=Kubota
en-aut-mei=Nobuhito
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=KikuchiSatoru
en-aut-sei=Kikuchi
en-aut-mei=Satoru
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=IshidaMichihiro
en-aut-sei=Ishida
en-aut-mei=Michihiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=2
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=3
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=4
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=5
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=6
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=7
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=8
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=9
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=10
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=11
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=12
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
en-keyword=laparoscopic surgery
kn-keyword=laparoscopic surgery
en-keyword=total proctocolectomy
kn-keyword=total proctocolectomy
en-keyword=open proctocolectomy
kn-keyword=open proctocolectomy
en-keyword=ulcerative colitis
kn-keyword=ulcerative colitis
en-keyword=case-matched study
kn-keyword=case-matched study
END
start-ver=1.4
cd-journal=joma
no-vol=127
cd-vols=
no-issue=2
article-no=
start-page=117
end-page=121
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=20150803
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=Successful laparoscopic resection of a cecal tumor in a 95-year-old man
kn-title=超高齢者(95歳)の進行盲腸癌に対して腹腔鏡下回盲部切除を施行した1例
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=We report a successful laparoscopic resection of a cecal tumor in a 95-year-old Japanese man. The patient visited an initial hospital with a complaint of constipation in March 2014. Computed tomography scan and colonoscopy showed a stenotic ileocecal cancer with pericolic lymph node metastases, and he was referred to our department for management. Since his general condition was maintained, we performed a laparoscopic ileocecal resection with regional lymph node dissection for the patient. The operation achieved curative resection, and the tumor was diagnosed as a moderately differentiated adenocarcinoma and graded as pStage IIIa (pT3, pN0, pM0) according to the Japanese Classification of Colorectal Carcinoma, eighth edition. He was discharged on the 11th postoperative day without perioperative complications. Several large-scale randomized controlled trials (RCTs) revealed that laparoscopic surgeries for colorectal cancers have some advantages compared to open surgeries, including superior short-term outcomes and comparable long-term outcomes. Unfortunately, since these RCTs did not include enough elderly patients, the safety and feasibility of laparoscopic surgery for extremely elderly patients are still unknown. With respect to less-invasive procedures, these advantages of laparoscopic surgery are also thought to be the advantages for elderly colorectal cancer patients.
en-copyright=
kn-copyright=
en-aut-name=WatanabeAyako
en-aut-sei=Watanabe
en-aut-mei=Ayako
kn-aut-name=渡邉彩子
kn-aut-sei=渡邉
kn-aut-mei=彩子
aut-affil-num=1
ORCID=
en-aut-name=InadaRyo
en-aut-sei=Inada
en-aut-mei=Ryo
kn-aut-name=稲田涼
kn-aut-sei=稲田
kn-aut-mei=涼
aut-affil-num=2
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=永坂岳司
kn-aut-sei=永坂
kn-aut-mei=岳司
aut-affil-num=3
ORCID=
en-aut-name=YagiTomohiko
en-aut-sei=Yagi
en-aut-mei=Tomohiko
kn-aut-name=八木朝彦
kn-aut-sei=八木
kn-aut-mei=朝彦
aut-affil-num=4
ORCID=
en-aut-name=MatsumotoHijiri
en-aut-sei=Matsumoto
en-aut-mei=Hijiri
kn-aut-name=松本聖
kn-aut-sei=松本
kn-aut-mei=聖
aut-affil-num=5
ORCID=
en-aut-name=ToshimaToshiaki
en-aut-sei=Toshima
en-aut-mei=Toshiaki
kn-aut-name=戸嶋俊明
kn-aut-sei=戸嶋
kn-aut-mei=俊明
aut-affil-num=6
ORCID=
en-aut-name=KikuchiSatoru
en-aut-sei=Kikuchi
en-aut-mei=Satoru
kn-aut-name=菊池覚次
kn-aut-sei=菊池
kn-aut-mei=覚次
aut-affil-num=7
ORCID=
en-aut-name=KurodaShinshi
en-aut-sei=Kuroda
en-aut-mei=Shinshi
kn-aut-name=黒田新士
kn-aut-sei=黒田
kn-aut-mei=新士
aut-affil-num=8
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=近藤喜太
kn-aut-sei=近藤
kn-aut-mei=喜太
aut-affil-num=9
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=母里淑子
kn-aut-sei=母里
kn-aut-mei=淑子
aut-affil-num=10
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=岸本浩行
kn-aut-sei=岸本
kn-aut-mei=浩行
aut-affil-num=11
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=藤原俊義
kn-aut-sei=藤原
kn-aut-mei=俊義
aut-affil-num=12
ORCID=
affil-num=1
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=2
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=3
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=4
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=5
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=6
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=7
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=8
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=9
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=10
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=11
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
affil-num=12
en-affil=
kn-affil=岡山大学大学院医歯薬学総合研究科
en-keyword=超高齢者(extremely elderly patient)
kn-keyword=超高齢者(extremely elderly patient)
en-keyword=大腸癌(colorectal cancer)
kn-keyword=大腸癌(colorectal cancer)
en-keyword=腹腔鏡手術(laparoscopic surgery)
kn-keyword=腹腔鏡手術(laparoscopic surgery)
END
start-ver=1.4
cd-journal=joma
no-vol=69
cd-vols=
no-issue=2
article-no=
start-page=113
end-page=118
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2015
dt-pub=201504
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Aggressive Multimodality Treatment for Advanced Rectal Cancer
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A case of advanced rectal cancer treated by aggressive local and systemic treatment who has survived more than 7 years from initial recurrence is presented. A 55-year-old woman was diagnosed with advanced lower rectal cancer and underwent a low anterior resection with complete removal of all regional lymph nodes and total mesorectal excision. The tumor was diagnosed as a moderately differentiated adenocarcinoma, pStage IIIB (T3, N2a, M0). Twenty-six months after the initial surgery, local recurrence in the pelvis was detected by computed tomography, and total pelvic exenteration with distal sacrectomy (TPES) was performed after systemic chemotherapy with a molecular-targeted drug. Six months after the TPES, multiple lung metastases were detected. Consequently, the patient underwent radiofrequency ablation (RFA) and chemotherapy. The disease has since been controlled for 38 months. As volume control is essential for cancer treatment, it may be important to combine appropriate local therapy with systemic therapy to metastatic or recurrent sites in order to achieve much longer disease control.
en-copyright=
kn-copyright=
en-aut-name=InadaRyo
en-aut-sei=Inada
en-aut-mei=Ryo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=ToshimaToshiaki
en-aut-sei=Toshima
en-aut-mei=Toshiaki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=KondoYoshitaka
en-aut-sei=Kondo
en-aut-mei=Yoshitaka
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=HirakiTakao
en-aut-sei=Hiraki
en-aut-mei=Takao
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=OshiroTaihei
en-aut-sei=Oshiro
en-aut-mei=Taihei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=KanemitsuYukihide
en-aut-sei=Kanemitsu
en-aut-mei=Yukihide
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
affil-num=1
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=2
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=3
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=4
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=5
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=6
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=7
en-affil=
kn-affil=Departments of Radiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=8
en-affil=
kn-affil=Colorectal Surgery Division, National Cancer Center Hospital
affil-num=9
en-affil=
kn-affil=Colorectal Surgery Division, National Cancer Center Hospital
affil-num=10
en-affil=
kn-affil=Departments of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
en-keyword=colorectal cancer
kn-keyword=colorectal cancer
en-keyword=recurrence
kn-keyword=recurrence
en-keyword=total pelvic exenteration
kn-keyword=total pelvic exenteration
en-keyword=radiofrequency ablation
kn-keyword=radiofrequency ablation
en-keyword=systemic chemotherapy
kn-keyword=systemic chemotherapy
END
start-ver=1.4
cd-journal=joma
no-vol=
cd-vols=
no-issue=
article-no=
start-page=
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=20141219
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Biological Ablation of Sentinel Lymph Node Metastasis in Submucosally Invaded Early Gastrointestinal Cancer
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Currently, early gastrointestinal cancers are treated endoscopically, as long as there are no lymph node metastases. However, once a gastrointestinal cancer invades the submucosal layer, the lymph node metastatic rate rises to higher than 10%. Therefore, surgery is still the gold standard to remove regional lymph nodes containing possible metastases. Here, to avoid prophylactic surgery, we propose a less-invasive biological ablation of lymph node metastasis in submucosally invaded gastrointestinal cancer patients. We have established an orthotopic early rectal cancer xenograft model with spontaneous lymph node metastasis by implantation of green fluorescent protein (GFP)-labeled human colon cancer cells into the submucosal layer of the murine rectum. A solution containing telomerase-specific oncolytic adenovirus was injected into the peritumoral submucosal space, followed by excision of the primary rectal tumors mimicking the endoscopic submucosal dissection (ESD) technique. Seven days after treatment, GFP signals had completely disappeared indicating that sentinel lymph node metastasis was selectively eradicated. Moreover, biologically treated mice were confirmed to be relapse-free even 4 weeks after treatment. These results indicate that virus-mediated biological ablation selectively targets lymph node metastasis and provides a potential alternative to surgery for submucosal invasive gastrointestinal cancer patients.
en-copyright=
kn-copyright=
en-aut-name=KikuchiSatoru
en-aut-sei=Kikuchi
en-aut-mei=Satoru
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=HashimotoYuuri
en-aut-sei=Hashimoto
en-aut-mei=Yuuri
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=NishizakiMasahiko
en-aut-sei=Nishizaki
en-aut-mei=Masahiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=ShirakawaYasuhiro
en-aut-sei=Shirakawa
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=UrataYasuo
en-aut-sei=Urata
en-aut-mei=Yasuo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=Robert M Hoffman
en-aut-sei=Robert M Hoffman
en-aut-mei=
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=2
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=3
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=4
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=5
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=6
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=7
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=8
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=9
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=10
en-affil=
kn-affil=Oncolys BioPharma, Inc.
affil-num=11
en-affil=
kn-affil=Department of Surgery, University of California
affil-num=12
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
en-keyword=endoscopic treatment
kn-keyword=endoscopic treatment
en-keyword=adenovirus
kn-keyword=adenovirus
en-keyword=colorectal cancer
kn-keyword=colorectal cancer
en-keyword=lymphatic metastasis
kn-keyword=lymphatic metastasis
END
start-ver=1.4
cd-journal=joma
no-vol=
cd-vols=
no-issue=
article-no=
start-page=
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2014
dt-pub=20140528
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Fluorescence virus-guided capturing system of human colorectal circulating tumour cells for non-invasive companion diagnostics
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Background Molecular-based companion diagnostic tests are being used with increasing frequency to predict their clinical response to various drugs, particularly for molecularly targeted drugs. However, invasive procedures are typically required to obtain tissues for this analysis. Circulating tumour cells (CTCs) are novel biomarkers that can be used for the prediction of disease progression and are also important surrogate sources of cancer cells. Because current CTC detection strategies mainly depend on epithelial cell-surface markers, the presence of heterogeneous populations of CTCs with epithelial and/or mesenchymal characteristics may pose obstacles to the detection of CTCs.
Methods We developed a new approach to capture live CTCs among millions of peripheral blood leukocytes using a green fluorescent protein (GFP)-expressing attenuated adenovirus, in which the telomerase promoter regulates viral replication (OBP-401, TelomeScan).
Results Our biological capturing system can image epithelial and mesenchymal tumour cells with telomerase activities as GFP-positive cells. After sorting, direct sequencing or mutation-specific PCR can precisely detect different mutations in KRAS, BRAF and KIT genes in epithelial, mesenchymal or epithelial–mesenchymal transition-induced CTCs, and in clinical blood samples from patients with colorectal cancer.
Conclusions This fluorescence virus-guided viable CTC capturing method provides a non-invasive alternative to tissue biopsy or surgical resection of primary tumours for companion diagnostics.
en-copyright=
kn-copyright=
en-aut-name=ShigeyasuKunitoshi
en-aut-sei=Shigeyasu
en-aut-mei=Kunitoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=HashimotoYuuri
en-aut-sei=Hashimoto
en-aut-mei=Yuuri
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=MoriYoshiko
en-aut-sei=Mori
en-aut-mei=Yoshiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=NishizakiMasahiko
en-aut-sei=Nishizaki
en-aut-mei=Masahiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=UrataYasuo
en-aut-sei=Urata
en-aut-mei=Yasuo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=GoelAjay
en-aut-sei=Goel
en-aut-mei=Ajay
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
affil-num=1
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=2
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=3
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=4
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=5
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=6
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=7
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=8
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=9
en-affil=
kn-affil=Oncolys BioPharma, Inc.
affil-num=10
en-affil=
kn-affil=Division of Gastroenterology, Department of Internal Medicine, Charles A. Sammons Cancer Center and Baylor Research Institute, Baylor University Medical Center
affil-num=11
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
affil-num=12
en-affil=
kn-affil=Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
END
start-ver=1.4
cd-journal=joma
no-vol=19
cd-vols=
no-issue=23
article-no=
start-page=6495
end-page=6505
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2013
dt-pub=20131201
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=A Genetically Engineered Oncolytic Adenovirus Decoys and Lethally Traps Quiescent Cancer Stem-like Cells in S/G(2)/M Phases
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Purpose: Because chemoradiotherapy selectively targets proliferating cancer cells, quiescent cancer stem-like cells are resistant. Mobilization of the cell cycle in quiescent leukemia stem cells sensitizes them to cell death signals. However, it is unclear that mobilization of the cell cycle can eliminate quiescent cancer stem-like cells in solid cancers. Thus, we explored the use of a genetically-engineered telomerase-specific oncolytic adenovirus, OBP-301, to mobilize the cell cycle and kill quiescent cancer stem-like cells.
Experimental Design: We established CD133(+) cancer stem-like cells from human gastric cancer MKN45 and MKN7 cells. We investigated the efficacy of OBP-301 against quiescent cancer stem-like cells. We visualized the treatment dynamics of OBP-301 killing of quiescent cancer stem-like cells in dormant tumor spheres and xenografts using a fluorescent ubiquitination cell-cycle indicator (FUCCI).
Results: CD133(+) gastric cancer cells had stemness properties. OBP-301 efficiently killed CD133(+) cancer stem-like cells resistant to chemoradiotherapy. OBP-301 induced cell-cycle mobilization from G(0)-G(1) to S/G(2)/M phases and subsequent cell death in quiescent CD133(+) cancer stem-like cells by mobilizing cell-cycle-related proteins. FUCCI enabled visualization of quiescent CD133(+) cancer stem-like cells and proliferating CD133(-) non-cancer stem-like cells. Three-dimensional visualization of the cell-cycle behavior in tumor spheres showed that CD133(+) cancer stem-like cells maintained stemness by remaining in G(0)-G(1) phase. We showed that OBP-301 mobilized quiescent cancer stem-like cells in tumor spheres and xenografts into S/G(2)/M phases where they lost viability and cancer stem-like cell properties and became chemosensitive.
Conclusion: Oncolytic adenoviralinfection is an effective mechanism of cancer cell killing in solid cancer and can be a new therapeutic paradigm to eliminate quiescent cancer stem-like cells.
en-copyright=
kn-copyright=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=HashimotoYuuri
en-aut-sei=Hashimoto
en-aut-mei=Yuuri
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=ShirakawaYasuhiro
en-aut-sei=Shirakawa
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=KurodaShinji
en-aut-sei=Kuroda
en-aut-mei=Shinji
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=NishizakiMasahiko
en-aut-sei=Nishizaki
en-aut-mei=Masahiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=UnoFutoshi
en-aut-sei=Uno
en-aut-mei=Futoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=NagasakaTakeshi
en-aut-sei=Nagasaka
en-aut-mei=Takeshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=UrataYasuo
en-aut-sei=Urata
en-aut-mei=Yasuo
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=HoffmanRobert M.
en-aut-sei=Hoffman
en-aut-mei=Robert M.
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=13
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=2
en-affil=
kn-affil=Okayama Univ Hosp, Ctr Innovat Clin Med
affil-num=3
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=4
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=5
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=6
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=7
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=8
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=9
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=10
en-affil=
kn-affil=Oncolys BioPharma Inc
affil-num=11
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
affil-num=12
en-affil=
kn-affil=Univ Calif San Diego, Dept Surg
affil-num=13
en-affil=
kn-affil=Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Surg Gastroenterol
END
start-ver=1.4
cd-journal=joma
no-vol=61
cd-vols=
no-issue=11
article-no=
start-page=1905
end-page=1916
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2012
dt-pub=201211
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Mechanism of resistance to trastuzumab and molecular sensitization via ADCC activation by exogenous expression of HER2-extracellular domain in human cancer cells
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Trastuzumab, a humanized antibody targeting HER2, exhibits remarkable therapeutic efficacy against HER2-positive breast and gastric cancers; however, acquired resistance presents a formidable obstacle to long-term tumor responses in the majority of patients. Here, we show the mechanism of resistance to trastuzumab in HER2-positive human cancer cells and explore the molecular sensitization by exogenous expression of HER2-extracellular domain (ECD) in HER2-negative or trastuzumab-resistant human cancer cells. We found that long-term exposure to trastuzumab induced resistance in HER2-positive cancer cells; HER2 expression was downregulated, and antibody-dependent cellular cytotoxicity (ADCC) activity was impaired. We next examined the hypothesis that trastuzumab-resistant cells could be re-sensitized by the transfer of non-functional HER2-ECD. Exogenous HER2-ECD expression induced by the stable transfection of a plasmid vector or infection with a replication-deficient adenovirus vector had no apparent effect on the signaling pathway, but strongly enhanced ADCC activity in low HER2-expressing or trastuzumab-resistant human cancer cells. Our data indicate that restoration of HER2-ECD expression sensitizes HER2-negative or HER2-downregulated human cancer cells to trastuzumab-mediated ADCC, an outcome that has important implications for the treatment of human cancers.
en-copyright=
kn-copyright=
en-aut-name=YoshidaRyosuke
en-aut-sei=Yoshida
en-aut-mei=Ryosuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=1
ORCID=
en-aut-name=TazawaHiroshi
en-aut-sei=Tazawa
en-aut-mei=Hiroshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=2
ORCID=
en-aut-name=HashimotoYuuri
en-aut-sei=Hashimoto
en-aut-mei=Yuuri
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=3
ORCID=
en-aut-name=YanoShuya
en-aut-sei=Yano
en-aut-mei=Shuya
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=4
ORCID=
en-aut-name=OnishiTeppei
en-aut-sei=Onishi
en-aut-mei=Teppei
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=5
ORCID=
en-aut-name=SasakiTsuyoshi
en-aut-sei=Sasaki
en-aut-mei=Tsuyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=6
ORCID=
en-aut-name=ShirakawaYasuhiro
en-aut-sei=Shirakawa
en-aut-mei=Yasuhiro
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=7
ORCID=
en-aut-name=KishimotoHiroyuki
en-aut-sei=Kishimoto
en-aut-mei=Hiroyuki
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=8
ORCID=
en-aut-name=UnoFutoshi
en-aut-sei=Uno
en-aut-mei=Futoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=9
ORCID=
en-aut-name=NishizakiMasahiko
en-aut-sei=Nishizaki
en-aut-mei=Masahiko
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=10
ORCID=
en-aut-name=KagawaShunsuke
en-aut-sei=Kagawa
en-aut-mei=Shunsuke
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=11
ORCID=
en-aut-name=FujiwaraToshiyoshi
en-aut-sei=Fujiwara
en-aut-mei=Toshiyoshi
kn-aut-name=
kn-aut-sei=
kn-aut-mei=
aut-affil-num=12
ORCID=
affil-num=1
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=2
en-affil=
kn-affil=Okayama Univ Hosp, Ctr Gene & Cell Therapy
affil-num=3
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=4
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=5
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=6
en-affil=
kn-affil=Okayama Univ, Dept Orthopaed Surg, Grad Sch Med Dent & Pharmaceut Sci
affil-num=7
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=8
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=9
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=10
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=11
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
affil-num=12
en-affil=
kn-affil=Okayama Univ, Dept Surg Gastroenterol, Grad Sch Med Dent & Pharmaceut Sci
en-keyword=HER2
kn-keyword=HER2
en-keyword=Extracellular domain
kn-keyword=Extracellular domain
en-keyword=Trastuzumab
kn-keyword=Trastuzumab
en-keyword=ADCC
kn-keyword=ADCC
en-keyword=Adenovirus
kn-keyword=Adenovirus
END