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Human marginal zone B cell development from early T2 progenitors

ABSTRACT: Human marginal zone B cell development from early T2 progenitors

PROVIDER: PRJNA686896 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR13272475.fastq.gz	Fastqsanger.gz
	SRR13272476.fastq.gz	Fastqsanger.gz
	SRR13272477.fastq.gz	Fastqsanger.gz
	SRR13272478.fastq.gz	Fastqsanger.gz

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Human marginal zone B cell development from early T2 progenitors [Pooled]

Project description:Human marginal zone B cell development from early T2 progenitors [Pooled]

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Human marginal zone B cell development from early T2 progenitors [MZBTraj]

Project description:Human marginal zone B cell development from early T2 progenitors [MZBTraj]

| PRJNA686933 | ENA

Human marginal zone B cell development from early T2 progenitors [Pooled]

Project description:B cells emerge from the bone marrow as transitional (TS) B cells that differentiate through T1, T2 and T3 stages to become naïve B cells. We have identified a bifurcation of human B cell maturation from the T1 stage forming IgMhi and IgMlo developmental trajectories. IgMhi T2 cells have higher expression of a4b7 integrin and lower expression of IL4 receptor (IL4R) compared to the IgMlo branch and are selectively recruited into gut-associated lymphoid tissue. IgMhi T2 cells also share transcriptomic features with marginal zone B cells (MZB). Lineage progression from T1 cells to MZB via an IgMhi trajectory is identified by pseudotime analysis of scRNA-sequencing data. Reduced frequency of IgMhi gut homing T2 cells is observed in severe SLE and is associated with reduction of MZB and their putative IgMhi precursors. The collapse of the gut-associated MZB maturational axis in severe SLE affirms its existence in health.

2021-01-31 | GSE163493 | GEO

Human marginal zone B cell development from early T2 progenitors [MZBTraj]

2021-01-31 | GSE163602 | GEO

Human marginal zone B cell development from early T2 progenitors.

Project description:B cells emerge from the bone marrow as transitional (TS) B cells that differentiate through T1, T2, and T3 stages to become naive B cells. We have identified a bifurcation of human B cell maturation from the T1 stage forming IgMhi and IgMlo developmental trajectories. IgMhi T2 cells have higher expression of α4β7 integrin and lower expression of IL-4 receptor (IL4R) compared with the IgMlo branch and are selectively recruited into gut-associated lymphoid tissue. IgMhi T2 cells also share transcriptomic features with marginal zone B cells (MZBs). Lineage progression from T1 cells to MZBs via an IgMhi trajectory is identified by pseudotime analysis of scRNA-sequencing data. Reduced frequency of IgMhi gut-homing T2 cells is observed in severe SLE and is associated with reduction of MZBs and their putative IgMhi precursors. The collapse of the gut-associated MZB maturational axis in severe SLE affirms its existence in health.

| S-EPMC7868795 | biostudies-literature

Molecular characterization of Nodal marginal zone lymphoma

Project description:This SuperSeries is composed of the following subset Series: GSE32231: Molecular characterization of Nodal marginal zone lymphoma [Gene Expression] GSE32232: microRNA-expression profile in a series of Nodal marginal zone lymphoma patients [miRNA expression] Refer to individual Series

2011-09-20 | E-GEOD-32233 | biostudies-arrayexpress

RNA Sequencing Reveals Regulation of Marginal Zone B-Cell Differentiation by MicroRNA-146a

Project description:Splenocytes were FACS-sorted from Wild-type and Mir146a-/- mice to isolate specific B-cell developmental stages. Utilizing high-throughput sequencing, we comparatively analyzed developmental stage-specific splenic B cell transcriptomes, including Transitional-1 (T1), Transitional-2 (T2), Marginal zone (MZ) and Follicular (FO) in both Wild-type and Mir146a-/- B cells. Two replicates of each developmental stage were submitted for high-throughput sequencing.

2017-01-15 | GSE93252 | GEO

Human splenic marginal zone precursors (MZP) differentiation into marginal zone B cells (MZB)through a Notch2 signalling pathway

Project description:RNA microarray profiling analysis was performed on different ex-vivo human splenic B cell subsets (M-^SNaM-oveM-^T, marginal zone precursors or M-^SMZPM-^T, marginal zone B cells orM-^T MZBM-^T, M-^SMTG+CD45+M-^T cells) and on M-^Sp27M-^T cells, corresponding to the fraction of MZP cells that differentiated into CD27-expressing cells after culture on OP9-hDLL1 cells cultured with OP9-hDLL1 cells that differentiated into CD27-expressing cells

2014-03-26 | E-MTAB-2244 | biostudies-arrayexpress

Human marginal zone B cell development from early T2 progenitors

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

2021-01-31 | GSE163604 | GEO

Dissecting the grey zone between follicular lymphoma and nodal marginal zone lymphoma using morphological and genetic features

Project description:Nodal marginal zone lymphoma is a poorly defined entity in the WHO classification, largely based on criteria by exclusion and the diagnosis often remains subjective. Follicular Lymphoma lacking t(14;18), have similar characteristics which results in a major potential diagnostic overlap which this study aims to dissect. Four subgroups of lymphoma samples (n=56) were analyzed with high-resolution arrayCGH; Nodal marginal zone lymphoma, t(14;18)-negative Follicular Lymphoma, localized t(14:18)-positive Follicular Lymphoma and disseminated t(14;18)-positive Follicular Lymphoma. Gains on chromosomes 7, 8 and 12 were observed in all subgroups. The mean number of aberrations was higher in disseminated t(14;18)-positive Follicular Lymphoma compared to localized t(14:18)-positive Follicular Lymphoma (p<0.01) and the majority of alterations in localized t(14:18)-positive Follicular Lymphoma were also found in disseminated t(14;18)-positive Follicular Lymphoma. Nodal marginal zone lymphoma was marked by 3q gains with amplifications of four genes. A different overall pattern of aberrations was seen in t(14;18)-negative Follicular Lymphoma compared to t(14;18)-positive Follicular Lymphoma. t(14;18)-negative Follicular Lymphoma is marked by specific (focal) gains on chromosome 3 as observed in Nodal marginal zone lymphoma. Our results support the notion that localized t(14:18)-positive Follicular Lymphoma represents an early phase of disseminated t(14;18)-positive Follicular Lymphoma. t(14;18)-negative Follicular Lymphoma bears aberrations that are more alike Nodal marginal zone lymphoma, suggesting a relation between these groups. Four subgroups of follicular lymphoma were analyzed: NMZL (n=14), t-FL (n=12), LOC t+FL (n=16), DIS t+FL (n=14).

2013-07-16 | E-GEOD-40641 | biostudies-arrayexpress

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