costimulatory molecule involved in induction of T cell proliferation and initiation of the Th2 response; may be important in maintanence of basal IgE production; binds to B7-1 or B7-2 on antigen presenting cells (APCs) [RGD, Feb 2006]
costimulatory molecule involved in induction of T cell proliferation and initiation of the Th2 response; may be important in maintanence of basal IgE production; binds to B7-1 or B7-2 on antigen presenting cells (APCs) [RGD, Feb 2006]