Search results for "T follicular helper cell differentiation"

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Generation of T Follicular Helper Cells Is Mediated by Interleukin-21 but Independent of T Helper 1, 2, or 17 Cell Lineages

2008

After activation, CD4(+) helper T (Th) cells differentiate into distinct effector subsets. Although chemokine (C-X-C motif) receptor 5-expressing T follicular helper (Tfh) cells are important in humoral immunity, their developmental regulation is unclear. Here we show that Tfh cells had a distinct gene expression profile and developed in vivo independently of the Th1 or Th2 cell lineages. Tfh cell generation was regulated by ICOS ligand (ICOSL) expressed on B cells and was dependent on interleukin-21 (IL-21), IL-6, and signal transducer and activator of transcription 3 (STAT3). However, unlike Th17 cells, differentiation of Tfh cells did not require transforming growth factor beta (TGF-beta…

STAT3 Transcription FactorAdoptive cell transferCellular differentiationCellImmunologyGene ExpressionLymphocyte ActivationCXCR5ArticleInducible T-Cell Co-Stimulator LigandMiceInterleukin 21T-Lymphocyte SubsetsTransforming Growth Factor betaFollicular phasemedicineAnimalsCytotoxic T cellImmunology and AllergyCell LineageMOLIMMUNOOligonucleotide Array Sequence AnalysisB-LymphocytesT follicular helper cell differentiationbiologyInterleukin-6Reverse Transcriptase Polymerase Chain ReactionGene Expression ProfilingInterleukinsInterleukin-17ProteinsGerminal centerCell DifferentiationT-Lymphocytes Helper-InducerTransforming growth factor betaFlow CytometryGerminal CenterAdoptive TransferImmunohistochemistryMolecular biologyMice Mutant Strainsmedicine.anatomical_structureInfectious DiseasesT helper 1CELLIMMUNOImmunologybiology.proteinInterleukin 17Signal TransductionImmunity
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