Regulation of the Proinflammatory Effects of Fas Ligand (CD95L)
- 27 November 1998
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 282 (5394) , 1714-1717
- https://doi.org/10.1126/science.282.5394.1714
Abstract
Fas ligand (CD95L) inhibits T cell function in immune-privileged organs such as the eye and testis, yet in most tissues CD95L expression induces potent inflammatory responses. With a stably transfected colon carcinoma cell line, CT26-CD95L, the molecular basis for these divergent responses was defined. When injected subcutaneously, rejection of CT26-CD95L was caused by neutrophils activated by CD95L. CT26-CD95L survived in the intraocular space because of the presence of transforming growth factor–β (TGF-β), which inhibited neutrophil activation. Providing TGF-β to subcutaneous sites protected against tumor rejection. Thus, these cytokines together generate a microenvironment that promotes immunologic tolerance, which may aid in the amelioration of allograft rejection.Keywords
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