About The Medical Condition Antigen, B7
Find the definition of the medical term Antigen, B7. Antigen, B7 defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Antigen, B7
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What's The Definition Of The Medical Condition Antigen, B7?
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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