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RNA-seq analysis on osteoclasts and periosteal stem cells from control and Prmt5 f/d Ctsk-Cre mice

ABSTRACT: To gain insights into the role of Prmt5 in osteoclasts and periosteal stem cells , we performed RNA sequencing (RNA-seq) on osteoclasts and periosteal stem cells from control and Prmt5 f/d Ctsk-Cre mice

ORGANISM(S): Mus musculus

PROVIDER: GSE146872 | GEO | 2022/05/07

REPOSITORIES: GEO

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RNA-seq analysis on osteoclasts and periosteal stem cells from control and Prmt5 f/d Ctsk-Cre mice

Project description:RNA-seq analysis on osteoclasts and periosteal stem cells from control and Prmt5 f/d Ctsk-Cre mice

| PRJNA612249 | ENA

Sfrp4 is Required to Maintain Ctsk-Lineage Periosteal Stem Cell Niche Function

Project description:The periosteum contains cells which function as a reservoir of stem cells and progenitors and contribute to cortical expansion during growth, cortical bone homeostasis and repair. However, the local or paracrine factors that govern stem cell renewal and differentiation within the periosteal niche remains elusive. Cathepsin K (Ctsk) together with additional cell surface markers marks a subset of stem cells in the periosteum (PSC) which possess self-renewal ability and inducible multipotency. These PSCs produce osteoblasts mediating periosteal bone formation and fracture repair. Sfrp4 is expressed in periosteal Ctsk-lineage cells and using CtskCre mice that are either wild type or Sfrp4-/-, we report here that Sfrp4 deletion decreases the pool of PSCs, impairs their self-renewal, their ability to give rise to their derivatives and their clonal multipotency for differentiation into osteoblasts and chondrocytes in vitro and formation of bone organoids in vivo. Bulk RNA sequencing analysis in Ctsk-lineage PSCs demonstrated that Sfrp4 deletion leads to downregulation of signaling pathways associated with skeletal development, positive regulation of bone mineralization and wound healing. Sfrp4 deletion hampers the Ctsk-lineage PSC response and recruitment after bone injury and leads to an impaired periosteal response. Periosteal Ctsk-lineage cells respond to PTH(1-34) treatment with an increase in the % of PSCs, a response not seen in the absence of Sfrp4. Importantly, bone histomorphometry analysis showed that in the absence of Sfrp4, PTH(1-34)-dependent increase in cortical thickness, periosteal bone formation is markedly impaired.

2024-08-13 | GSE236686 | GEO

PRMT5 is essential for sustaining normal adlut hematopoiesis

Project description:Examining the effects of PRMT5 loss on the gene expression profile of hematopoietic stem and progenitor cells We established the PRMT5 conditional KO mice, and bred the mice with Mx1 cre transgenic mice to delete PRMT5 in hematopoietic cells. We isolated hematopoetic stem and progenitor cells 3 days after PRMT5 deletion, and examined the gene expression files using RNA-sequencing.

2015-07-15 | E-GEOD-69937 | biostudies-arrayexpress

Discovery of a periosteal stem cell mediating intramembranous bone formation and fracture healing (batch RNA-Seq)

Project description:FACS sorted 4 bulk cell population from mouse femur (P6) were subjected to RNA sequencing. The samples were periosteal stem cell (PSC), progenitor population type 1 (PP1), progenitor population 2 (PP2) and CTSK-mGFP negative mesenchymal stem cells (MSC). The aim of this project was to obtain Differentially expressed gene list for each cell types as well as compare transcriptinal profile between each population.

2018-08-13 | GSE106235 | GEO

Sfrp4 is Required to Maintain Ctsk-Lineage Periosteal Stem Cell Niche Function

Project description:Sfrp4 is Required to Maintain Ctsk-Lineage Periosteal Stem Cell Niche Function

| PRJNA992054 | ENA

The Sm protein methyltransferase PRMT5, is not required for primordial germ cell specification in mice

Project description:PRMT5 is a type II protein arginine methyltransferase with roles in stem cell biology, reprogramming, cancer and neurogenesis. During embryogenesis in the mouse it was hypothesized that PRMT5 functions with the master germline determinant BLIMP1 to promote primordial germ cell (PGC) specification. Using a Blimp1-Cre germline conditional knockout, we discovered that Prmt5 has no major role in murine germline specification, or the first global epigenetic reprogramming event involving depletion of cytosine methylation from DNA and histone H3 lysine 9 dimethylation from chromatin. Instead, we discovered that PRMT5 functions at the conclusion of PGC reprogramming I to promote proliferation, survival and expression of the gonadal germline program as marked by MVH. We show that PRMT5 regulates gene expression by promoting methylation of the Sm spliceosomal proteins, and significantly altering the spliced repertoire of RNAs in mammalian embryonic cells and primordial cells. Examination of transcriptional profile of iPHet (Control) vs. iPKO (Prmt5 knock out) 2i Embryonic Stem Cells

2014-12-05 | E-GEOD-63800 | biostudies-arrayexpress

Periosteal skeletal stem cells can migrate into the bone marrow and support hematopoiesis after injury [I]

Project description:To investigate the transcriptomic differences between bone marrow mesenchymals stem cells and periosteal skeletal stem cells at steady state, and periosteal skeletal stem cells 72 hours after bone transplantation

2023-01-12 | GSE216824 | GEO

Mechanosensitive Piezo1 is crucial for periosteal stem cell-mediated fracture healing

Project description:Mechanosensitive Piezo1 is crucial for periosteal stem cell-mediated fracture healing

2024-12-19 | GSE266774 | GEO

PRMT5-regulates developmental myelination

Project description:PRMT5 is important for gliomas, however its physiological function in oligodendrocyte progenitors (OPCs), remains poorly understood. Here we report PRMT5 to be responsible for symmetric di-methylation of histone H4R3 (H4R3me2s) in OPC. PRMT5 depletion via CRISPR/Cas9 decreased H4R3me2s, altered the OPC transcriptome, and decreased OPC survival. Strikingly, these changes were associated with a marked increase of H4K5ac in OPC, but not in gliomas. Consistently, ChIP-sequencing analysis revealed increased genome-wide distribution of H4K5ac in PRMT5 knockout cells. In vitro acetylation assays demonstrated reciprocal inhibition between symmetric arginine methylation and lysine acetylation. Low H4R3me2s and high H4K5ac levels were also detected in OPC in mice with lineage-specific ablation of Prmt5 (Olig1-Cre;Prmt5fl/fl), resulting in severely impaired developmental myelination. Importantly, pharmacological inhibition of acetyltransferase activity partially rescued the effect of Prmt5 deletion on oligodendrocyte-specific gene transcripts. Collectively, we identify PRMT5 as a critical modulator of histone acetylation and OPC differentiation in early developmental myelination.

2018-06-02 | GSE94067 | GEO

Regulation of constitutive and alternative splicing by PRMT5 reveals a role for Mdm4 pre-mRNA in sensing defects in the spliceosomal machinery (BeadChip)

Project description:Protein Arginine MethylTransferase 5 (PRMT5) is known to mediate epigenetic control on chromatin and to functionally regulate components of the splicing machinery. In this study we show that selective deletion of PRMT5 in different organs leads to cell cycle arrest and apoptosis. At the molecular level, PRMT5 depletion results in reduced methylation of Sm proteins, aberrant constitutive splicing and in the Alternative Splicing (AS) of specific mRNAs. We identify Mdm4 as one of these mRNAs, which due to its weak 5’-Donor site, acts as a sensor of splicing defects and transduces the signal to activate the p53 response, providing a mechanistic explanation of the phenotype observed in PRMT5 conditional knockout mice. Our data demonstrate a key role of PRMT5, together with p53, as guardians of the transcriptome. This will have fundamental implications in our understanding of PRMT5 activity, both in physiological conditions, as well as pathological conditions, including cancer and neurological diseases. Total RNA was extracted from control Prmt5F/F, and Prmt5 depleted Prmt5F/FNes (Nestin-Cre) Neural Stem/Progenitors Cells (NPCs). The final cRNA samples were hybridized to Illumina MouseRef-8 V2 arrays in quadruplicates.

2013-09-13 | E-GEOD-45269 | biostudies-arrayexpress

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