Article
Roquin differentiates the specialized functions of duplicated T cell costimulatory receptor genes CD28 and ICOS.
Immunity - 20 Feb 2009
Linterman Michelle A, Rigby Robert J, Wong Raphael, Silva Diego, Withers David, Anderson Graham, Verma Naresh K, Brink Robert, Hutloff Andreas, Goodnow Chris C, Vinuesa Carola G
Abstract excerpt
During evolutionary adaptation in the immune system, host defense is traded off against autoreactivity. Signals through the costimulatory receptor CD28 enable T cells to respond specifically to pathogens, whereas those through the related costimulatory receptor, ICOS, which arose by gene duplication, are critical for affinity maturation and memory antibody responses. ICOS ligand, unlike the pathogen-inducible...
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