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STAT3 signaling in B cells controls germinal center zone organization and recycling [ChIP-seq]

ABSTRACT: STAT3 signaling in B cells controls germinal center zone organization and recycling [ChIP-seq]

PROVIDER: PRJNA875927 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21390023_1.fastq.gz	Fastqsanger.gz
	SRR21390023_2.fastq.gz	Fastqsanger.gz
	SRR21390024_1.fastq.gz	Fastqsanger.gz
	SRR21390024_2.fastq.gz	Fastqsanger.gz

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STAT3 signaling in B cells controls germinal center zone organization and recycling [RNA-seq]

Project description:Germinal centers (GCs), sites of antibody affinity maturation, are organized into dark (DZ) and light (LZ) zones. Here, we uncovered a B cell intrinsic role for STAT3 in GC DZ and LZ organization. Altered zonal organization of STAT3-deficient GCs dampened GC output of long-lived plasma cells (LL-PCs) but increased memory B cells (MBCs). Tfh-GC B cell interaction drive STAT3 tyrosine 705 and serine 727 phosphorylation in LZ B cells, facilitating their recycling into the DZ. An inducible system confirmed STAT3 is not involved in initiating or maintaining the GC but sustains GC zonal organization by regulating GC B cell recycling. RNAseq and ChIPseq analysis identified genes regulated by STAT3 that are critical for LZ cell recycling and transiting through the DZ proliferation and differentiation phases of the DZ. Thus, STAT3 signaling in B cells controls GC zone organization and recycling, and GC egress of LL-PCs, but negatively regulates MBC output.

2023-07-06 | GSE212542 | GEO

STAT3 signaling in B cells controls germinal center zone organization and recycling [ChIP-seq]

Project description:Germinal centers (GCs), sites of antibody affinity maturation, are organized into dark (DZ) and light (LZ) zones. Here, we uncovered a B cell intrinsic role for STAT3 in GC DZ and LZ organization. Altered zonal organization of STAT3-deficient GCs dampened GC output of long- lived plasma cells (LL-PCs) but increased memory B cells (MBCs). Tfh-GC B cell interaction drive STAT3 tyrosine 705 and serine 727 phosphorylation in LZ B cells, facilitating their recycling into the DZ. An inducible system confirmed STAT3 is not involved in initiating or maintaining the GC but sustains GC zonal organization by regulating GC B cell recycling. RNAseq and ChIPseq analysis identified genes regulated by STAT3 that are critical for LZ cell recycling and transiting through the DZ proliferation and differentiation phases of the DZ. Thus, STAT3 signaling in B cells controls GC zone organization and recycling, and GC egress of LL- PCs, but negatively regulates MBC output.

2023-07-06 | GSE212541 | GEO

STAT3 signaling in B cells controls germinal center zone organization and recycling

Project description:STAT3 signaling in B cells controls germinal center zone organization and recycling

| PRJNA875925 | ENA

STAT3 signaling in B cells controls germinal center zone organization and recycling [RNA-seq]

Project description:STAT3 signaling in B cells controls germinal center zone organization and recycling [RNA-seq]

| PRJNA875928 | ENA

STAT3 signaling in B cells controls germinal center zone organization and recycling.

Project description:Germinal centers (GCs), sites of antibody affinity maturation, are organized into dark (DZ) and light (LZ) zones. Here, we show a B cell-intrinsic role for signal transducer and activator of transcription 3 (STAT3) in GC DZ and LZ organization. Altered zonal organization of STAT3-deficient GCs dampens development of long-lived plasma cells (LL-PCs) but increases memory B cells (MBCs). In an abundant antigenic environment, achieved here by prime-boost immunization, STAT3 is not required for GC initiation, maintenance, or proliferation but is important for sustaining GC zonal organization by regulating GC B cell recycling. Th cell-derived signals drive STAT3 tyrosine 705 and serine 727 phosphorylation in LZ B cells, regulating their recycling into the DZ. RNA sequencing (RNA-seq) and chromatin immunoprecipitation sequencing (ChIP-seq) analyses identified STAT3 regulated genes that are critical for LZ cell recycling and transiting through DZ proliferation and differentiation phases. Thus, STAT3 signaling in B cells controls GC zone organization and recycling, and GC egress of PCs, but negatively regulates MBC output.

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STAT3 signaling in B cells controls germinal center zone organization and recycling

Project description:This SuperSeries is composed of the SubSeries listed below.

2023-07-06 | GSE212543 | GEO

Gene expression in germinal center light zone and dark zone B cells

Project description:This SuperSeries is composed of the following subset Series: GSE38696: Gene expression in mouse germinal center light zone and dark zone B cells GSE38697: Gene expression in human germinal center light zone and dark zone B cells Keywords: Expression profiling by array Refer to individual Series

2012-06-13 | E-GEOD-38712 | biostudies-arrayexpress

Gene expression in germinal center light zone, dark zone, and naïve B cells

Project description:Microarrays of gene expression in mouse germinal center B cells photoactivated in the light zone or dark zone, and of naïve cells for comparison. We used microarray data to identify genes differentially expressed by B cells in the light and dark zones of the germinal center. Light and dark zone cells were photoactivated in day 7 germinal centers and sorted by flow cytometry. Naïve splenic B cells(IgD+CD19+) were sorted for comparison.

2010-09-07 | E-GEOD-23925 | biostudies-arrayexpress

Gene expression in human germinal center light zone and dark zone B cells

Project description:Microarrays of gene expression in human germinal center light zone and dark zone B cells sorted according to the expression of cell surface molecules CD83 and CXCR4 We used microarray data to identify genes differentially expressed by B cells in the light and dark zones of germinal centers from human tonsil specimens. Germinal center B cells (CD19+CD38+IgD-) were sorted from pediatric tonsil discard specimens into light zone (CXCR4hi/CD83lo) and dark zone (CXCR4lo/CD83hi) populations, from which RNA was extracted

2012-06-13 | E-GEOD-38697 | biostudies-arrayexpress

Gene expression in mouse germinal center light zone and dark zone B cells

Project description:Microarrays of gene expression in mouse germinal center light zone and dark zone B cells sorted according to the expression of cell surface molecules CD83 and CXCR4 We used microarray data to identify genes differentially expressed by B cells in the light and dark zones of germinal centers from mouse skin-draining lymph nodes 12 days after subcutaneous immunization with NP-OVA in alum. Germinal center B cells (B220+CD38-CD95+) were sorted from immunized mouse lymph nodes into light zone (CXCR4hi/CD83lo) and dark zone (CXCR4lo/CD83hi) populations, from which RNA was extracted

2012-06-13 | E-GEOD-38696 | biostudies-arrayexpress

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