STAT3 regulates GC and plasma cell IgE class switching in B cells.

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Presentation transcript:

STAT3 regulates GC and plasma cell IgE class switching in B cells. STAT3 regulates GC and plasma cell IgE class switching in B cells. (A and B) STAT3f/f control or CD19-Cre; STAT3f/f mice were immunized i.p. with 100 μg OVA in Alum. FACS analysis of splenocytes from day 14 postimmunization mice. Cells were stained with mAbs B220, GL7, CD138, IgG1, and intracellular IgE. Representative dot plots and summarized results are from at least three independent experiments. Cells were gated based on the corresponding isotype control mAb staining. Data are means ± SEM. (C) FACS analysis of GC light zone and dark zone distribution. Cells were stained with mAbs B220, GL7, CXCR4, and CD86. Representative plots are gated on B220+GL7+. Summarized results are from two independent experiments. Data are means ± SEM. (D) GC gene expression of Bcl6, Aicda, IRF4, IRF5, FOXO1, and CXCR4 was measured using quantitative reverse transcriptase–PCR. GC cells were sorted from day 14–immunized WT or cKO mice. Data are means ± SEM. *p < 0.05, **p < 0.01, ***p < 0.001, unpaired two-tailed Student t test. Paul Dascani et al. ImmunoHorizons 2018;2:349-362 Copyright © 2018 The Authors