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Follicular helper T cells (also known as T follicular helper cells and abbreviated as T FH), are antigen-experienced CD4 + T cells found in the periphery within B cell follicles of secondary lymphoid organs such as lymph nodes, spleen and Peyer's patches, and are identified by their constitutive expression of the B cell follicle homing receptor CXCR5. [1]
IL-4 is the positive feedback cytokine for T h 2 cells differentiation. Besides, IL-4 stimulates B-cells to produce IgE antibodies, which in turn stimulate mast cells to release histamine, serotonin, and leukotriene to cause broncho-constriction, intestinal peristalsis, gastric fluid acidification to expel helminths. IL-5 from CD4 T cells will ...
C-X-C chemokine receptor type 5 (CXC-R5) also known as CD185 (cluster of differentiation 185) or Burkitt lymphoma receptor 1 (BLR1) is a G protein-coupled seven transmembrane receptor for chemokine CXCL13 (also known as BLC) and belongs to the CXC chemokine receptor family. It enables T cells to migrate to lymph node and the B cell zones.
SATB1 has a multitude of roles in the development of T cells. SATB1 plays a role in controlling expression of lineage-specific factors during T cell development, including ThPOK, Runx3, CD4, CD8, and Treg factor Foxp3. SATB1-deficient thymocytes enter inappropriate T lineages and fail to generate the NKT and Treg subsets. [18]
The protein encoded by the BCL6 gene is a zinc finger transcription factor that has three evolutionarily conserved domains. BCL6 contains a (1) N-terminal BTB/POZ domain (Broad-complex, Tramtrack and Brick-a-brac/Pox virus and Zinc finger family domain), (2) a central RN2 region, and (3) another zinc finger at the C-terminal end. [6]
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.
29851 54167 Ensembl ENSG00000163600 ENSMUSG00000026009 UniProt Q9Y6W8 Q9WVS0 RefSeq (mRNA) NM_012092 NM_017480 RefSeq (protein) NP_036224 NP_059508 Location (UCSC) Chr 2: 203.94 – 203.96 Mb Chr 1: 61.02 – 61.04 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Inducible T-cell costimulator (also called CD278) is an immune checkpoint protein that in humans is encoded by the ICOS (I ...
Naïve CD4+T cells differentiate into Treg or various helper T cell subsets (Th1, Th2, Th17 or Tfh). In the gut-associated lymphoid tissue, the process of differentiation occurs via presentation of antigens derived from gut microbiota by antigen presenting cells such as dendritic cells or M cells in Peyer's patches. [18]