| 单词 | BB-1 |
| 释义 | BB-1《英文MSH词典》BB-1 [入口词] BB-1 [主题词] Antigens,CD80 [英文释义] The natural ligand for the T-cell antigen CD28; (ANTIGENS,CD28); mediating T- and B-cell adhesion. CD80 is expressed on activated B-cells and gamma-interferon-stimulated monocytes. The binding of CD80 to CD28 and CTLA-4 provides a co-stimulatory signal to T-cells and leads to greatly upregulated lymphokine production. |
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