NCIt related terms : DTH; delayed-type hypersensitivity response; Type 4 Hypersensitivity Reaction; Type IV Hypersensitivity Reaction;
NCIt definition : Delayed hypersensitivity reaction (DTH) - type IV reaction, an inflammatory response
that develops 24 to 72 hours after exposure to an antigen that the immune system recognizes
as foreign. DTH is mediated by T cells rather than by antibodies. Th1 cells produce
interferon gamma, interleukin (IL)-2, and tumor necrosis factor-beta and promote a
cell-mediated immune response.;
Alternative definition : NICHD: A hypersensitivity reaction triggered by sensitized T lymphocytes encountering
antigens. These reactions usually develop 18 to 24 hours after exposure.; NCI-GLOSS: An inflammatory response that develops 24 to 72 hours after exposure to
an antigen that the immune system recognizes as foreign. This type of immune response
involves mainly T cells rather than antibodies (which are made by B cells).;
Codes from synonyms : CDR0000584382; CDR0000044587;
Currated CISMeF NLP mapping