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E-GEOD-56376

ABSTRACT: Follicular B (FoB) cells purified from miR-17-92 tKO mice

PROVIDER: E-GEOD-56376 | ExpressionAtlas | 2015-08-04

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-GEOD-56376-analysis-methods.tsv	Tabular
	E-GEOD-56376-atlasExperimentSummary.Rdata	Rdata
	E-GEOD-56376-configuration.xml	Xml
	E-GEOD-56376-percentile-ranks.tsv	Tabular
	E-GEOD-56376.condensed-sdrf.tsv	Tabular

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Project description:Follicular B (FoB) cells purified from miR-17~92 TG and miR-17~92 tKO mice

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Project description:Follicular B (FoB) cells purified from miR-17-92 tKO mice

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Follicular B (FoB) cells purified from miR-17-92 transgenic mice, stimulated with LPS/IL-4 for 13.5 or 25.5 hours

Project description:We have generated a miR-17-92 transgenic allele (termed miR-17-92 Tg) whose expression can be turned on conditionally by Cre recombinase (Xiao et al, Nature Immunology, 9:405-14, 2008). The mice were crossed to CD19-Cre mice to turn on the transgene expression specifically in B cells. Follicular B(FoB) cells were purified from CD19-Cre;miR-17~92 Tg/Tg mice (TG1, TG2, TG3) and miR-17~92 Tg/Tg mice (WT1, WT2, WT3) by MACS depletion of cells positive for CD5, CD43, and CD93 (also known as AA4.1). The purified B cells were stimulated with LPS/IL-4 for 13.5hr or 25.5hr. The purity of follicular B cells was examined by flow cytometry and was greater than 95% for all samples. Total RNA was extracted using RNeasy kit (QIAGEN).

2014-04-01 | E-GEOD-56377 | biostudies-arrayexpress

Follicular B (FoB) cells purified from miR-17-92 transgenic mice

Project description:We have generated a miR-17-92 transgenic allele (termed miR-17-92 Tg) whose expression can be turned on conditionally by Cre recombinase (Xiao et al, Nature Immunology, 9:405-14, 2008). The mice were crossed to CD19-Cre mice to turn on the transgene expression specifically in B cells. Follicular B(FoB) cells were purified from CD19-Cre;miR-17~92 Tg/Tg mice (FoBtg1, FoBtg2, FoBtg3) and miR-17~92 Tg/Tg mice (FoBwt1, FoBwt2, FoBwt3) by MACS depletion of cells positive for CD5, CD43, and CD93 (also known as AA4.1). The purity of follicular B cells was examined by flow cytometry and was greater than 95% for all samples. Total RNA was extracted using RNeasy kit (QIAGEN).

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Follicular B (FoB) cells purified from miR-17-92 tKO mice

Project description:We have generated a miR-17~92 fl/fl allele whose expression can be turned off conditionally by Cre recombinase in the miR-106a-363-/-;miR-106b-25-/- background. The mice were crossed to CD19-Cre mice to turn off the expression of miR-17~92 specifically in B cells. Follicular B(FoB) cells were purified from CD19-Cre;miR-17~92 fl/fl;miR-106a-363;miR-106b~25 mice (tKO1, tKO2, tKO3) and CD19-cre (Control1, Control2, Control3) by MACS depletion of cells positive for CD9, CD43, and CD93 (also known as AA4.1). The purity of follicular B cells was examined by flow cytometry and was greater than 95% for all samples. Total RNA was extracted using RNeasy kit (QIAGEN).

2014-04-01 | E-GEOD-56376 | biostudies-arrayexpress

Follicular B (FoB) cells purified from miR-17-92 tKO mice, stimulated with LPS/IL-4, 13.5hr

Project description:We have generated a miR-17~92 fl/fl allele whose expression can be turned off conditionally by Cre recombinase in the miR-106a-363-/-;miR-106b-25-/- background. The mice were crossed to CD19-Cre mice to turn off the expression of miR-17~92 specifically in B cells and stimulated LPS/IL-4 for 13.5hr. Follicular B(FoB) cells were purified from CD19-Cre;miR-17~92 fl/fl;miR-106a-363;miR-106b~25 mice (TKO1, TKO2, TKO3) and WT (WT1, WTl2, WT3) by MACS depletion of cells positive for CD9, CD43, and CD93 (also known as AA4.1). The purified B cells were stimulated with LPS/IL-4 for 13.5hr in B cell media. The purity of follicular B cells was examined by flow cytometry and was greater than 95% for all samples. Total RNA was extracted using RNeasy kit (QIAGEN).

2014-04-01 | E-GEOD-56378 | biostudies-arrayexpress

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Project description:Ribosome Profiling analysis of Follicular B (FoB) cells purified from WT, miR-17~92 transgenic and miR-17-92 tKO mice

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The microRNA cluster miR-17~92 promotes TFH cell differentiation and represses subset-inappropriate gene expression

Project description:Follicular helper T cells (TFH cells) are the prototypic helper T cell subset specialized to enable B cells to form germinal centers (GCs) and produce high-affinity antibodies. We found that expression of microRNAs (miRNAs) by T cells was essential for TFH cell differentiation. More specifically, we show that after immunization of mice with protein, the miRNA cluster miR-17~92 was critical for robust differentiation and function of TFH cells in a cell-intrinsic manner that occurred regardless of changes in proliferation. In a viral infection model, miR-17~92 restrained the expression of genes ‘inappropriate’ to the TFH cell subset, including the direct miR-17~92 target Rora. Removal of one Rora allele partially ‘rescued’ the inappropriate gene signature in miR-17~92-deficient TFH cells. Our results identify the miR-17~92 cluster as a critical regulator of T cell–dependent antibody responses, TFH cell differentiation and the fidelity of the TFH cell gene-expression program.

2013-06-30 | GSE42760 | GEO

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Project description:Follicular B (FoB) cells purified from miR-17-92 tKO mice, stimulated with LPS/IL-4, 13.5hr

| PRJNA243076 | ENA