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MA1-20792 detects CD28 in human and non-human primate samples.
CD28 antigen is a 44 kDa disulfide linked homodimeric T cell specific surface glycoprotein. CD28 is a cell adhesion molecule of the immunoglobulin superfamily which is constitutively expressed on most peripheral blood T lymphocytes. Moreover, CD28 is the critical T cell costimulatory receptor that provides the cell the important second activation signal by binding CD80 and CD86 which are expressed by antigen presenting cells. In addition to its co-stimulation role, CD28 functions by preventing T cells from entering an anergic-hyporesponsive state or from undergoing premature apoptotic cell death. In murine peripheral lymphoid organs and in the blood, all CD4+ and CD8+ T cells express CD28. In the thymus, CD28 expression is highest on immature CD3-, CD8+ and CD4+8+ cells, and on CD4-8- cells that express alpha/beta and gamma/delta TCR. The level of CD28 on mature CD4+ and CD8+ alpha/beta TCR+ thymocytes is two- to fourfold lower than on the immature cells. Diseases associated with CD28 dysfunction include mycosis fungiodes and Sezary's Disease.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: CD28; CD28 antigen; CD28 precursor 6m; CD28 precursor P; CD28 precursor protein; MFASCD28-6m; MGC138290; sCD28; soluble CD28; T-cell-specific surface glycoprotein CD28; T44; TP44
基因别名: CD28; EGK_04709; MFASCD28-P; Tp44
UniProt ID: (Human) P10747, (Mouse) P31041
Entrez Gene ID: (Human) 940, (Rhesus monkey) 705313, (Cynomolgus monkey) 102146670, (Mouse) 12487