SEARCHED TERM
Interferon-gamma release assay (IGRA)
DEFINITION
In-vitro blood tests for cell-mediated immunity to M. tuberculosis that measure interferon-gamma (IFN-γ) released from peripheral blood T-cells or enumerate the number of IFN- producing T-cells following stimulation with synthetic peptides simulating M. tuberculosis proteins.
RELATED TERMS
MORE INFO
SOURCE DEFINITION
In vitro blood tests for cell-mediated immunity to M. tuberculosis that measure interferon-gamma (IFn-γ) released from peripheral blood T-cells stimulated with synthetic peptides simulating M. tuberculosis proteins.
OTHER DEFINITIONS
Assay for cell-mediated immunity to TB that measures interferon-gamma (IFN-γ) released from peripheral blood T-cells stimulated in vitro with TB antigens
Type of an ex vivo test that detects cell-mediated immune response to this cytokine. In the United States, QFT-G is a currently available IGRA
CLOSE
