First Author | Peng SL | Year | 1996 |
Journal | J Exp Med | Volume | 184 |
Issue | 3 | Pages | 1149-54 |
PubMed ID | 9064331 | Mgi Jnum | J:35237 |
Mgi Id | MGI:82689 | Doi | 10.1084/jem.184.3.1149 |
Citation | Peng SL, et al. (1996) A tumor-suppressor function for Fas (CD95) revealed in T cell-deficient mice. J Exp Med 184(3):1149-54 |
abstractText | Fas (CD95) and its ligand are central regulatory molecules in hematopoietic cells. Previous studies have suggested a role for Fas in the regulation of tumor progression, but Fas has not yet been conclusively identified as a tumor suppressor. Fas-deficient individuals lack malignant tumors, perhaps because of regulation by T cells. To investigate such a possibility, mice deficient in both T cells and Fas were generated, and they were found to develop severe B cell dysregulation characterized by malignant, lethal B cell lymphoma. Lymphoma arose from a monoclonal B220+CD19-CD5-CD23- B cell secreting immunoglobulin M, kappa rheumatoid factor. In contrast, animals containing alpha beta T cells, gamma delta T cells, and/or functional Fas suppressed the development of lymphoma. These data indicate that Fas functions as a tumor suppressor, and identifies roles for both alpha beta T cells and gamma delta T cells in Fas-independent tumor regulation. |