Nfil3, a target of the NACA transcriptional coregulator, affects osteoblast and osteocyte gene expression differentially
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ABSTRACT:
PROVIDER: PRJNA612876 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11315269.fastq.gz | Fastqsanger.gz | |||
| SRR11315270.fastq.gz | Fastqsanger.gz | |||
| SRR11315271.fastq.gz | Fastqsanger.gz | |||
| SRR11315272.fastq.gz | Fastqsanger.gz | |||
| SRR11315273.fastq.gz | Fastqsanger.gz |
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Project description:Nfil3, a target of the NACA transcriptional coregulator, affects osteoblast and osteocyte gene expression differentially.
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Project description:Using ChIP-Seq, we show that Nfil3 is a transcriptional target of the PTH-NACA axis in osteoblasts. We also show that Nfil3 transcription is, by part, regulated by NACA and CREB. Finally, we show that Nfil3 has a distinct role in osteoblasts vs osteocytes
2020-03-17 | GSE147070 | GEO
Project description:Type of Experiment: 1) Profiles of Osteoblast vs. osteocyte in vitro; 2) Profiles of osteoblast low density vs. confluency in vitro; 3) Profiles of osteocyte with gap junction vs. without gap junction. Experimental factors: 1) 2T3 osteoblast cells at low density expressed extensive filopodia, reminiscent of early osteoblast precursors and similar to MLO-Y4 dendritic processes. 2) MLO-Y4 osteocytes at low vs. high density represent the genes that are changed in a highly connected network vs. low connected network. The number of hybridizations performed: Triplicate hybridizations for each status. Keywords = Osteoblast Keywords = Osteocyte
2010-06-09 | E-GEOD-2234 | biostudies-arrayexpress
Project description:Type of Experiment: 1) Profiles of Osteoblast vs. osteocyte in vitro; 2) Profiles of osteoblast low density vs. confluency in vitro; 3) Profiles of osteocyte with gap junction vs. without gap junction. Experimental factors: 1) 2T3 osteoblast cells at low density expressed extensive filopodia, reminiscent of early osteoblast precursors and similar to MLO-Y4 dendritic processes. 2) MLO-Y4 osteocytes at low vs. high density represent the genes that are changed in a highly connected network vs. low connected network. The number of hybridizations performed: Triplicate hybridizations for each status. Keywords = Osteoblast Keywords = Osteocyte Keywords: parallel sample
2005-06-05 | GSE2234 | GEO
Project description:Purpose: Identify PTH-responsive genes in MC3T3-E1 cells. The aim of the study is to identify novel gene targets that are reugulated by PTH signaling in bone, elicting its anabolic effect in osteoblasts. Methods: mRNA expression profiles were compared between Vehicle and PTH(1-34)-treated MC3T3-1 cells, in triplicates, using Illumina HiSeq 2000 PE100 sequncing. qPCR using Taqman probes were used to validate genes of interest. Results: Sequence reads per sample were mapped to the mouse genome (mm10) and differential expression of each gene was determined. Genes that showed differential expression between Vehicle vs PTH(1-34)-treated samples and has a relevant function in bone were further characterized by knockdown strategies in MC3T3-E1 cells. Conclusion: Our study have identified a list of novel genes regulated by PTH siganling. The characterization of their transcription and function in osteoblasts and osteocytes added to our knowledge of PTH signaling in bone and other skeletal tissues.
2020-07-14 | GSE154355 | GEO
Project description:Osteocytes are derived from osteoblast lineage cells that become progressively embedded in mineralized bone. Development of the osteocytogenic cell line IDG-SW3 has enabled a temporal and mechanistic investigation of this process. Through RNA-seq analyses, we show that while substantial changes in gene expression occur during the osteoblast to osteocyte transition, the majority of the transcriptome remains qualitatively osteoblast-like. Genes either up-regulated or expressed uniquely in the osteocyte include local and systemic factors such as Sost and Fgf23 as well as genes implicated in neuronal, muscle, vascular, or regulatory function. As assessed by ChIP-seq, numerous changes in epigenetic histone modifications also occur during osteocytogenesis; these are largely qualitative rather than quantitative. Specific epigenetic changes correlate with altered gene expression patterns that are observed during the transition. These genomic changes likely influence the highly restricted transcriptomic response to 1,25(OH)2D3 that occurs during differentiation. VDR binding in osteocytes revealed an extensive cistrome co-occupied by RXR and located predominantly at sites distal to regulated genes. Although sites of VDR binding were apparent near many 1,25(OH)2D3-regulated genes, the expression of others adjacent to VDR binding sites were unaffected; lack of VDR binding was particularly prevalent at down-regulated genes. Interestingly, 1,25(OH)2D3 was found to induce the Boc and Cdon co-receptors that are active in hedgehog signaling in osteocytes. We conclude that osteocytogenesis is accompanied by changes in gene expression that may be driven by both genetic and epigenetic components. These changes are likely responsible for the osteocyte phenotype and may contribute to reduced sensitivity to 1,25(OH)2D3. ChIP-seq was performed on differentiated IDGSW3 cells at day 35 for VDR and RXR following 3 hour vehicle or 1,25(OH)2d3 treatment in biological replicate. ChIP-seq was also performed for H3K4me1, H3K4me2, H3K4me3, H3K27Ac, H4K5Ac, H3K9Ac, H4K20me1, H3K36me3, or H3K9me3 at day 3 and day 35 of differentiation in the basal condition.
2014-05-30 | E-GEOD-54782 | biostudies-arrayexpress
Project description:Osteocytes are derived from osteoblast lineage cells that become progressively embedded in mineralized bone. Development of the osteocytogenic cell line IDG-SW3 has enabled a temporal and mechanistic investigation of this process. Through RNA-seq analyses, we show that while substantial changes in gene expression occur during the osteoblast to osteocyte transition, the majority of the transcriptome remains qualitatively osteoblast-like. Genes either up-regulated or expressed uniquely in the osteocyte include local and systemic factors such as Sost and Fgf23 as well as genes implicated in neuronal, muscle, vascular, or regulatory function. As assessed by ChIP-seq, numerous changes in epigenetic histone modifications also occur during osteocytogenesis; these are largely qualitative rather than quantitative. Specific epigenetic changes correlate with altered gene expression patterns that are observed during the transition. These genomic changes likely influence the highly restricted transcriptomic response to 1,25(OH)2D3 that occurs during differentiation. VDR binding in osteocytes revealed an extensive cistrome co-occupied by RXR and located predominantly at sites distal to regulated genes. Although sites of VDR binding were apparent near many 1,25(OH)2D3-regulated genes, the expression of others adjacent to VDR binding sites were unaffected; lack of VDR binding was particularly prevalent at down-regulated genes. Interestingly, 1,25(OH)2D3 was found to induce the Boc and Cdon co-receptors that are active in hedgehog signaling in osteocytes. We conclude that osteocytogenesis is accompanied by changes in gene expression that may be driven by both genetic and epigenetic components. These changes are likely responsible for the osteocyte phenotype and may contribute to reduced sensitivity to 1,25(OH)2D3. Two sets of IDG-SW3 differentitiation mRNA-seq experiments are presented here in biological triplicate. One a differentiation time course in the basal condition at days 3, 7, 14, 21, 28, 35. The second experiment is IDG-SW3 cells differentiated to day 3 or day 35 and treated with vehicle or 100nM 1,25(OH)2D3 for 24 hours prior to mRNA isolation and sequencing.
2014-05-30 | E-GEOD-54783 | biostudies-arrayexpress
Project description:Osteocytes are derived from osteoblast lineage cells that become progressively embedded in mineralized bone. Development of the osteocytogenic cell line IDG-SW3 has enabled a temporal and mechanistic investigation of this process. Through RNA-seq analyses, we show that while substantial changes in gene expression occur during the osteoblast to osteocyte transition, the majority of the transcriptome remains qualitatively osteoblast-like. Genes either up-regulated or expressed uniquely in the osteocyte include local and systemic factors such as Sost and Fgf23 as well as genes implicated in neuronal, muscle, vascular, or regulatory function. As assessed by ChIP-seq, numerous changes in epigenetic histone modifications also occur during osteocytogenesis; these are largely qualitative rather than quantitative. Specific epigenetic changes correlate with altered gene expression patterns that are observed during the transition. These genomic changes likely influence the highly restricted transcriptomic response to 1,25(OH)2D3 that occurs during differentiation. VDR binding in osteocytes revealed an extensive cistrome co-occupied by RXR and located predominantly at sites distal to regulated genes. Although sites of VDR binding were apparent near many 1,25(OH)2D3-regulated genes, the expression of others adjacent to VDR binding sites were unaffected; lack of VDR binding was particularly prevalent at down-regulated genes. Interestingly, 1,25(OH)2D3 was found to induce the Boc and Cdon co-receptors that are active in hedgehog signaling in osteocytes. We conclude that osteocytogenesis is accompanied by changes in gene expression that may be driven by both genetic and epigenetic components. These changes are likely responsible for the osteocyte phenotype and may contribute to reduced sensitivity to 1,25(OH)2D3.
2014-05-30 | GSE54782 | GEO
Project description:Osteocytes are derived from osteoblast lineage cells that become progressively embedded in mineralized bone. Development of the osteocytogenic cell line IDG-SW3 has enabled a temporal and mechanistic investigation of this process. Through RNA-seq analyses, we show that while substantial changes in gene expression occur during the osteoblast to osteocyte transition, the majority of the transcriptome remains qualitatively osteoblast-like. Genes either up-regulated or expressed uniquely in the osteocyte include local and systemic factors such as Sost and Fgf23 as well as genes implicated in neuronal, muscle, vascular, or regulatory function. As assessed by ChIP-seq, numerous changes in epigenetic histone modifications also occur during osteocytogenesis; these are largely qualitative rather than quantitative. Specific epigenetic changes correlate with altered gene expression patterns that are observed during the transition. These genomic changes likely influence the highly restricted transcriptomic response to 1,25(OH)2D3 that occurs during differentiation. VDR binding in osteocytes revealed an extensive cistrome co-occupied by RXR and located predominantly at sites distal to regulated genes. Although sites of VDR binding were apparent near many 1,25(OH)2D3-regulated genes, the expression of others adjacent to VDR binding sites were unaffected; lack of VDR binding was particularly prevalent at down-regulated genes. Interestingly, 1,25(OH)2D3 was found to induce the Boc and Cdon co-receptors that are active in hedgehog signaling in osteocytes. We conclude that osteocytogenesis is accompanied by changes in gene expression that may be driven by both genetic and epigenetic components. These changes are likely responsible for the osteocyte phenotype and may contribute to reduced sensitivity to 1,25(OH)2D3.
2014-05-30 | GSE54783 | GEO
Project description:The Osteoblast to Osteocyte Transition: Epigenetic Changes and Response to the Vitamin D3 Hormone
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