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

ABSTRACT: 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.

ORGANISM(S): Mus musculus

PROVIDER: GSE56378 | GEO | 2014/04/01

SECONDARY ACCESSION(S): PRJNA243076

REPOSITORIES: GEO

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

2014-04-01 | GSE56376 | GEO

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

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

Project description:We have generated a miR-17~92 transgene and fl/fl allele whose expression can be turned on and off conditionally by Cre recombinase. The mice were crossed to CD19-Cre mice to turn on and off the expression of miR-17~92 specifically in B cells and stimulated LPS/IL-4 for 25.5hr. tKO mice were generated in the miR-106a-363-/-;miR-106b-25-/- background, so that all three homologous cluster of miR-17~92 family miRNAs are deleted in B cells.

2017-03-08 | GSE83684 | GEO

miR-17-92/106b regulate beta cell mitotic checkpoint and insulin secretion

Project description:Adult beta cells in the pancreas are the sole source of insulin in our body. Beta cell loss or increased demand for insulin, impose metabolic challenges because adult beta cells are generally quiescent and infrequently re-enter the cell division cycle. miR-17-92/106b is a family of proto-oncogene microRNAs, that regulate proliferation in normal tissues and in cancer. Here, we employ mouse genetics to demonstrate a critical role for miR-17-92/106b in glucose homeostasis and in controlling insulin secretion. Mass spectrometry analysis was performed on miR-17-92LoxP/LoxP;106-25-/- MEF lysate, without or with CRE-Adenovirus. miR-17-92LoxP/LoxP;106-25+/+ MEFs with GFP-Adenovirus served as controls. We demonstrate that miR-17-92/106b regulate the adult beta cell mitotic checkpoint and that miR-17-92/106b deficiency results in reduction in beta cell mass in-vivo. Furthermore, protein kinase A (PKA) is a new relevant molecular pathway downstream of miR-17-92/106b in control of adult beta cell division and glucose homeostasis. Therefore, contributes to the understanding of proto-oncogene miRNAs in the normal, untransformed endocrine pancreas, and illustrates new genetic means for regulation of beta cell mitosis and function by non-coding RNAs.

2019-06-17 | PXD012610 | Pride

Comparative gene expression profiling of cutaneous B cell lymphomas

Project description:The oncogenic microRNA 17-92 cluster is involved in the lymphomagenesis of nodal and systemic B cell lymphomas, but has not been studied so far in primary cutaneous B cell lymphomas. We performed the quantitative analysis of miR-17-92 cluster and its paralogs miR-106a-363 and miR-106b-25 in 22 primary cutaneous diffuse large B-cell lymphomas-leg type (PCLBCL-LT) and 22 primary cutaneous follicle center lymphomas (PCFCL). Mir-20a and miR-106a were overexpressed in PCLBCL-LT compared to PCFCL. Multivariate Cox analysis showed that higher miR-20a and miR-20b were associated with poorer disease-free survival and poorer overall survival, independently of histological type. Gene expression profiling showed underexpression of 8 candidate target genes of miR-20a, miR-20b and miR-106a in PCLBCL-LT compared to PCFCL. Among the candidate target genes, PTEN, NCOA3 and CAPRIN2 were confirmed to be underexpressed in PCLBCL-LT using quantitative RT-PCR of laser-microdissected tumor cells. In multivariate Cox analysis, lower PTEN mRNA expression level was associated with poorer disease-free survival, independently of the histological type. Altogether, this molecular and bioinformatics study of patients’ skin biopsy samples showed that the oncogenic miR-17-92 cluster is involved in cutaneous B cell lymphoma progression, and that the down-regulation of its target gene PTEN is associated with poorer disease-free survival.

2016-12-31 | GSE55833 | GEO

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).

2011-07-21 | E-GEOD-30877 | biostudies-arrayexpress

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

2014-04-01 | GSE56377 | GEO

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

RNAseq to profile transcriptomes in bone marrow-derived macrophages from TKO(mir-106a~363-/- mir-106b~25-/- mir-17~92flox/flox Lyz2-Cre) and WT(Lyz2-Cre) mice

Project description:RNAseq to profile transcriptomes in bone marrow-derived macrophages from TKO(mir-106a~363-/- mir-106b~25-/- mir-17~92flox/flox Lyz2-Cre) and WT(Lyz2-Cre) mice

| PRJNA531934 | ENA

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