Article
Preferential elimination of CD28+ T cells in systemic lupus erythematosus (SLE) and the relation with activation-induced apoptosis.
Clinical and experimental immunology - 1 Nov 1996
Kaneko H, Saito K, Hashimoto H, Yagita H, Okumura K, Azuma M
Abstract excerpt
CD28 on T cells provides a potent costimulatory signal for T cell activation. Down-regulation of CD28 on peripheral T cells has been reported in certain clinical conditions, but full studies on the mechanism and biological significance have not been performed. Our extensive phenotype analysis of peripheral blood lymphocytes (PBL) from SLE patients revealed that the absolute number of CD28+ T cells of both CD4 and...
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