CD40 (Cluster of Differentiation 40): CD40 is a cell surface receptor protein that plays a central role in immune responses. It is primarily found on B cells and antigen-presenting cells. CD40 activation is essential for B cell maturation, antibody production, and the development of adaptive immunity. Mutations in CD40 or its ligand CD40L can result in immunodeficiency disorders....


Test(s) that measure/test for CD40

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