helper T cell

noun

, Immunology.

1. a T cell that stimulates B cells to produce antibody against a foreign substance, using lymphokines or direct contact as a signal.

helper T-cell

noun

1. See T-lymphocyte

helper T cell

/ hĕl′pər /

1. Any of various T cells that, when stimulated by a specific antigen, release lymphokines that promote the activation and function of B cells and killer T cells.

Example Sentences

They additionally detected a helper T cell response to SARS-CoV-2 in about half of blood samples they examined that had been drawn before the virus began circulating.

From Scientific American

The transcription factor Runx3 guards cytotoxic CD8+ effector T cells against deviation towards follicular helper T cell lineage.

From Nature

Using an uncommonly sensitive measurement technique that he’d invented, Siliciano located H.I.V. in a type of helper T cell that provides memory to our immune system and normally survives for decades.

From The New Yorker

Some forms of autoimmunity have been linked to overproduction of TH17 cells, a type of helper T cell that produces an inflammatory protein called interleukin-17.

From Scientific American