All CD4 T-cell surface glycoprotein CD4 antibodies

CD4 (cluster of differentiation 4) is a glycoprotein that serves as a co-receptor for the T-cell receptor (TCR) and is found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells. The CD4 molecule is postulated to facilitate antigen recognition through the T cell receptor (TCR) and is itself a receptor for human immunodeficiency virus (HIV)-gp120 glycoprotein. Both antigen-stimulated TCR activation and HIV infectivity can be blocked by whole anti-CD4 antibodies.
CD4+ T helper cells are white blood cells that are a vital part of the human immune system. They help other immune cells recognize and destroy invading pathogens such as bacteria and viruses. CD4+ T cells are also involved in the regulation of immune responses by producing cytokines that help activate other immune cells.

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