Fifteen years ago, doctors in Europe noticed a remarkable thing happening in people with chronic hepatitis B infections. When ...

University of California, San Francisco researchers have identified a crucial immune mechanism involving CD4+ T cells that ...

Conservation of their respective cytoplasmic tail motifs, CxC/H in the case of CD4 and an ITIM-like motif in the case of LAG-3, supports that competition between CD4 and LAG-3 for binding of kinase ...

Medically reviewed by Anju Goel, MD Key Takeaways CD4 counts show how strong your immune system is; lower counts mean a ...

A panelist discusses how CD4 counts serve as measures of immune system status that typically increase by about 200 in the first year of antiretroviral therapy. Although there can be laboratory ...

Immunologists have identified a previously unrecognized group of immune cells that could reshape how vaccines and immune-based therapies are designed. The newly described cells 1 are long-lived memory ...

Treating inflammatory or autoimmune disorders in which the immune system overreacts and starts attacking the body can involve shutting down the whole immune system, and this may increase the risk of ...