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单词 CD4 count
释义

CD4 count

英语百科

CD4

Image of CD4 co-receptor binding to MHC (Major Histocompatibility Complex) non-polymorphic region.

In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells. It was discovered in the late 1970s and was originally known as leu-3 and T4 (after the OKT4 monoclonal antibody that reacted with it) before being named CD4 in 1984. In humans, the CD4 protein is encoded by the CD4 gene.

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