ID | 31013 |
JaLCDOI | |
FullText URL | |
Author |
Osaki, Toshihide
Sakagami, Kenichi
Orita, Kunzo
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Abstract | Interleukin-2 (IL2) is the obligatory signal for both T cell mitogenesis and in vitro generation of alloreactive cytotoxic T lymphocytes (CTL). An investigation was made to determine whether an antibody directed against IL2 would suppress the rejection reaction of rat cardiac allografts. Rabbit anti-interleukin 2 (anti-IL2) antiserum was obtained by immunizing at 2 week intervals over a period of 8 weeks with 10(6) U of recombinant human IL2 along with complete Freund's adjuvant. The bioassay for inhibition of IL2 activity by anti-IL2 antiserum was carried out in conjunction with the IL2-dependent cytotoxic T cell (CTLL cell) assay. Cardiac allografts of F344 rats were heterotopically transplanted into ACI rats. Seven daily doses of 1 ml of anti-IL2 antiserum were administered intravenously following transplantation. IL2-driven [3H]thymidine incorporation in CTLL cells was significantly inhibited by rabbit anti-IL2 antiserum. Graft survival in the anti-IL2 serum-treated group was significantly prolonged in a dose-dependent fashion compared to control groups. In conclusion, these results indicate that rabbit anti-IL2 antiserum may prove to be of significant value as an immunosuppressive agent in clinical organ transplantation. |
Keywords | anti-interleukin 2 antiserum
rat cardiac allograft
immunosuppressive agent
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Amo Type | Article
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Publication Title |
Acta Medica Okayama
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Published Date | 1988-04
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Volume | volume42
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Issue | issue2
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Publisher | Okayama University Medical School
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Start Page | 77
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End Page | 81
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ISSN | 0386-300X
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NCID | AA00508441
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Content Type |
Journal Article
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language |
English
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File Version | publisher
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Refereed |
True
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PubMed ID | |
Web of Science KeyUT |