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The Linker for activation of T cells, also known as linker of activated T cells or LAT, is a protein involved in the T-cell antigen receptor signal transduction pathway which in humans is encoded by the LAT gene. [5] Alternative splicing results in multiple transcript variants encoding different isoforms. [6]
The product of this gene is a member of the nuclear factors of activated T cells DNA-binding transcription complex. This complex consists of at least two components: a preexisting cytosolic component that translocates to the nucleus upon T cell receptor (TCR) stimulation and an inducible nuclear component.
T-cell receptor (TCR) stimulation causes the dephosphorylation of NFAT which in almost every kind of T cell then forms a complex with AP-1 (except in Tregs). This complex depending on the cytokine context then activates the key transcription factors of the distinct T cell subpopulations: T-bet for Th1, GATA3 for Th2, RORγ for Th17 and BATF for ...
T cells need three signals to become fully activated. Signal 1 is provided by the T-cell receptor when recognising a specific antigen on a MHC molecule. Signal 2 comes from co-stimulatory receptors on T cell such as CD28, triggered via ligands presented on the surface of other immune cells such as CD80 and CD86. These co-stimulatory receptors ...
GITR was identified as a new member of the TNF receptor superfamily, by comparing gene expression in untreated and DEX-treated murine T-cell lines. [5] GITR is co-stimulatory surface receptor for T cells and after interaction with GITRL maintain T cell activation, proliferation, cytokine production, and rescue T cells from anti-CD3-induced ...
The product of this gene is a component of the nuclear factor of activated T cells DNA-binding transcription complex. This complex consists of at least two components: a preexisting cytosolic component that translocates to the nucleus upon T cell receptor (TCR) stimulation, and an inducible nuclear component. Proteins belonging to this family ...
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T cells are grouped into a series of subsets based on their function. CD4 and CD8 T cells are selected in the thymus, but undergo further differentiation in the periphery to specialized cells which have different functions. T cell subsets were initially defined by function, but also have associated gene or protein expression patterns.