Medical Definition of CD4-positive T-lymphocytes

1. A critical subpopulation of regulatory T-lymphocytes involved in the induction of most immunological functions. The HIV virus has selective tropism for the t4 cell which expresses the CD4 phenotypic marker, a receptor for HIV. In fact, the key element in the profound immunosuppression seen in HIV infection is the depletion of this subset of T-lymphocytes, which includes both the helper-inducer (T-lymphocytes, helper-inducer) and suppressor-inducer (T-lymphocytes, suppressor-inducer) T-cells. (12 Dec 1998)

Lexicographical Neighbors of CD4-positive T-lymphocytes

CD15
CD18
CD19
CD2
CD20
CD26
CD27
CD28
CD29
CD3
CD30
CD31
CD34
CD36
CD4
CD4-positive T-lymphocytes (current term)
CD4/CD8 count
CD40
CD44
CD45
CD45 phosphatase
CD4:CD8 ratio
CD4 T cell
CD4 cell
CD4 cell count
CD4 immunoadhesins
CD4 lymphocyte
CD4 lymphocyte count
CD5
CD50

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