Polyoma middle T (PmT)-transformed endothelial cells may represent a unique murine model for human opportunistic vascular tumors. The present study was designed to evaluate the anti-tumor potential of a panel of 13 cytokines against rnurine PmT-transformed endothelial cells. Interferon gamma (IFNy)
Anti-tumor activity of mycophenolate mofetil against human and mouse tumors in vivo
✍ Scribed by Robert J. Tressler; Laura J. Garvin; Doris L Slate
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- French
- Weight
- 626 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0020-7136
No coin nor oath required. For personal study only.
✦ Synopsis
Cultured tumor cell lines, tumor xenografts grown in athymic nude mice, and a murine experimental metastasis model were used to assess the in vitro and in vivo anti-tumor activity of the potent IMP dehydrogenase (IMPDH) inhibitor, mycophenolic acid (MPA), and its morpholinoethyl ester pro-drug, mycophenotate mofetil (MM). The growth of all the cell lines tested was inhibited by MPA in vitro, with ECS0 values ranging from less than 0.1 pM to 3.9 pM. Mice were monitored for S.C. tumor outgrowth in the case of human tumor xenograft models or survival time for the murine experimental metastasis model. Treatment with MM p.0. was started 24 hr after tumor challenge or after tumors became palpable. Treatment of athymic nude mice bearing A3.0 I (T-lymphoblast), Molt4 (T-cell leukemia), CaPan-2 (pancreatic adenocarcinoma). CaLu-3 (non-smallcell lung adenocarcinoma), LS I74T and T84 (colon adenocarcinoma), and Daudi (B-cell lymphoma) human tumor xenografts with MM significantly inhibited S.C. tumor growth. Treatment of BALB/c mice with MM after i.v. injection of murine RAW1 17-H I 0 lymphoma cells in an experimental metastasis assay resulted in increased survival time for treated animals. No significant inhibitory effect on S.C. tumor outgrowth was seen with MM treatment of SK-Hep-I, a human hepatic endothelioma, or Hep-3B, a liver adenocarcinorna, at any of the doses tested.
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