New insights into the role of 4-1BB in immune responses: beyond CD8+ T cells
- PMID: 12133793
- DOI: 10.1016/s1471-4906(02)02263-9
New insights into the role of 4-1BB in immune responses: beyond CD8+ T cells
Abstract
Since the discovery of 4-1BB 15 years ago, the receptor and its ligand (4-1BBL) have remained enigmatic molecules because of their highly regulated pattern of expression. Classically, 4-1BB is known to function as a costimulator for T cells and as a potent survival factor for CD8+ T cells. Recent studies highlight the participation of 4-1BB and its ligand 4-1BBL in a more complex network of immune cell responses and suggest that intervening in the 4-1BB costimulatory pathway might have some potential as a therapeutic approach to immune disorders.
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