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SOX9 Regulates Multiple Genes in Chondrocytes, Including Genes Encoding ECM Proteins, ECM Modification Enzymes, Receptors, and Transporters

ABSTRACT: We investigated mRNA that is regulated by SOX9 in mouse chondrocytes

ORGANISM(S): Mus musculus

PROVIDER: GSE73984 | GEO | 2015/10/15

SECONDARY ACCESSION(S): PRJNA298851

REPOSITORIES: GEO

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SOX9 regulates multiple genes in chondrocytes, including genes encoding ECM proteins, ECM modification enzymes, receptors, and transporters.

Project description:The transcription factor SOX9 plays an essential role in determining the fate of several cell types and is a master factor in regulation of chondrocyte development. Our aim was to determine which genes in the genome of chondrocytes are either directly or indirectly controlled by SOX9. We used RNA-Seq to identify genes whose expression levels were affected by SOX9 and used SOX9 ChIP-Seq to identify those genes that harbor SOX9-interaction sites. For RNA-Seq, the RNA expression profile of primary Sox9flox/flox mouse chondrocytes infected with Ad-CMV-Cre was compared with that of the same cells infected with a control adenovirus. Analysis of RNA-Seq data indicated that, when the levels of Sox9 mRNA were decreased more than 8-fold by infection with Ad-CMV-Cre, 196 genes showed a decrease in expression of at least 4-fold. These included many cartilage extracellular matrix (ECM) genes and a number of genes for ECM modification enzymes (transferases), membrane receptors, transporters, and others. In ChIP-Seq, 75% of the SOX9-interaction sites had a canonical inverted repeat motif within 100 bp of the top of the peak. SOX9-interaction sites were found in 55% of the genes whose expression was decreased more than 8-fold in SOX9-depleted cells and in somewhat fewer of the genes whose expression was reduced more than 4-fold, suggesting that these are direct targets of SOX9. The combination of RNA-Seq and ChIP-Seq has provided a fuller understanding of the SOX9-controlled genetic program of chondrocytes.

| S-EPMC4168005 | biostudies-literature

Correction: SOX9 Regulates Multiple Genes in Chondrocytes, Including Genes Encoding ECM Proteins, ECM Modification Enzymes, Receptors, and Transporters.

Project description: Not available

| S-EPMC4642988 | biostudies-literature

Regulatory mechanism of Sox9 gene expression in chondrocytes [ChIP-seq]

Project description:The transcription factor Sox9 (Sry-Related HMG-Box gene 9) is essential in chondrogenesis. The expression Sox9 is regulated by 1.5Mb long range genomic region in temporospatial manner and genome translocation or deletion which affect Sox9 expression cause campomelic dysplasia (CD), characterized by skeletal malformations. Although functional mechanism of Sox9 are well studied so far, regulatory mechanism of Sox9 expression and its related enhancer in chondrocytes are largely remains to be elucidated. The purpose of this study is to identify Sox9 enhancers in chondrocytes

2024-06-10 | GSE237886 | GEO

Regulatory mechanism of Sox9 gene expression in chondrocytes [ATAC-seq]

2024-06-10 | GSE237882 | GEO

Regulatory mechanism of Sox9 gene expression in chondrocytes [RNA-seq]

2024-06-10 | GSE237887 | GEO

Genes regulated by Sox9

Project description:We compared gene expression profile of jejunum crypt samples of Sox9 deficient mice and wild type control mice in order to identify the genes that are regulated by SOX9 in the small intestinal crypt epithelial cells. The intestinal epithelial cells were collected from crypts of jejunum of three 3-mo-old Sox9 mutant mice and three littermate controls.

2012-03-23 | E-GEOD-35481 | biostudies-arrayexpress

Brazilian cohort and genes encoding for drug-metabolizing enzymes and drug transporters.

Project description:Background & aim: Genetic variability in drug absorption, distribution, metabolism and excretion (ADME) genes contributes to the high heterogeneity of drug responses. The present study investigated polymorphisms of ADME genes frequencies and compared the findings with populations from other continents, available in the 1000 Genome Project (1 KGP) and the Exome Aggregation Consortium (ExAC) databases. Methodology & results: We conducted a study of 100 patients in Brazil and a total of 2003 SNPs were evaluated by targeted next-generation sequencing in 148 genes, including Phase I enzymes (n = 50), Phase II enzymes (n = 38) and drug transporters (n = 60). Overall, the distribution of minor allele frequency (MAF) suggests that the distribution of 2003 SNPs is similar between Brazilian cohort, 1 KGP and ExAC; however, we found moderate SNP allele-frequency divergence between Brazilian cohort and both 1000 KGP and ExAC. These differences were observed in several relevant genes including CYP3A4, NAT2 and SLCO1B1. Conclusion: We concluded that the Brazilian population needs clinical assessment of drug treatment based on individual genotype rather than ethnicity.

| S-EPMC7362932 | biostudies-literature

Genes regulated by Sox9

2012-03-23 | GSE35481 | GEO

Profiling of Sox9-related genes in chondrogenesis using Sox9-3'EGFP knock-in and Sox9-EGFP/EGFP null chimeric mouse embryos

Project description:To define the repertoire of Sox9-dependent genes that contribute to the regulation of chondrogenesis, we generated Sox9-3'enhanced green fluorescent protein (EGFP) knock-in mice (Sox9-3'EGFP) and Sox9-EGFP/EGFP null chimeras. EGFP-positive cells of Sox9-3'EGFP knock-in and Sox9-EGFP/EGFP null chimeric embryos harvested from limb buds at embryonic day 12.5 were sorted using a FACSAria flow cytometer (Becton-Dickinson). Total RNA of sorted cells was extracted using the RNeasy Mini Kit (QIAGEN) and amplified according to the instructions provided by Affymetrix. Microarray analysis using the Affymetrix Mouse Genome 430 2.0 Array was performed according to the manufacturer's instructions.

2011-02-16 | E-MTAB-537 | biostudies-arrayexpress

Identification of Sox9/Pdx1-coregulated Genes During Pancreas Organogenesis

Project description:Sox9/Pdx1 co-regulated target genes were identified by comparing gene expression in Sox9/Pdx1-double heterozygates versus Sox9- or Pdx1- heterozygates pancreata using microarray analysis. Pdx1LacZko (herein designated Pdx1-/+) (Offield et al. 1996) and one Sox9 allele was conditionally deleted in the developing pancreas via recombination of a Sox9-flox allele (Kist et al., 2002) using the Foxa3-Cre transgene (Lee et al., 2005). Total RNA was isolated and pooled from dorsal pancreatic epithelia of e12.5 Sox9fl/+; Foxa3-Cre (Sox9 het), Pdx1-/+ (Pdx1 het) versus Sox9fl/+; Foxa3-Cre; Pdx1-/+ (Sox9/Pdx1 double hets) littermates for three biological replicates

2015-08-07 | E-GEOD-62023 | biostudies-arrayexpress

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