National Institutes of Health et. al. other research news

Two independent research teams have dashed cold water on a theory that a switch from T helper 1 type T cells to TH2 T cells is a critical element in the progression of HIV infection, according to articles published in Science.

In mice, and also in humans, mutually exclusive production of various cytokines is carried out by different classes of CD4+ T lymphocytes, designated TH1 and TH2. ...