Engineered T cells that have been used to treat ulcerative colitis, rheumatoid arthritis and lupus show promising results.

A newly recognized set of T helper cells seems to guard against aging by eliminating harmful senescent cells. Their presence ...

Regulatory T cells (Treg cells), a specialized type of immune cell, are usually seen as "peacekeepers" that prevent excessive ...

Studying T cells, the immune cells most responsible for responding to infections and cancers, just received a significant ...

Researchers have used a new method, ReapTEC, to identify rare types of helper T cells that are associated with immune disorders. The immune system is largely made up of a type of white blood cell ...

Tumors actively prevent the formation of immune responses by so-called cytotoxic T cells, which are essential in combating cancer. Researchers have now uncovered for the first time how this exactly ...

A new study has discovered a molecular signal that tumors exploit to exhaust the T cells meant to destroy them-and how silencing that signal could revive the body's immunity.

Stem-cell researcher Carolina Florian didn’t trust what she was seeing. Her elderly laboratory mice were starting to look younger. They were more sprightly and their coats were sleeker. Yet all she ...

Foods like citrus fruits and broccoli may boost the immune system and help you to fight illness. Learn which ...

HIV doesn’t make you sick immediately. It slowly weakens the immune system. Knowing how it works helps reduce fear, ...

Born in Morristown, N.J., with virtually no immune system, Cora was diagnosed with severe combined immunodeficiency, a rare ...