Transcriptome profiling of muscle stem cells from control, mdx and Sirt6 knockout on mdx background mice
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA714832 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR13976850.fastq.gz | Fastqsanger.gz | |||
| SRR13976851.fastq.gz | Fastqsanger.gz | |||
| SRR13976852.fastq.gz | Fastqsanger.gz | |||
| SRR13976853.fastq.gz | Fastqsanger.gz | |||
| SRR13976854.fastq.gz | Fastqsanger.gz |
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Project description:Transcriptome profiling of muscle from control, mdx and Sirt6 knockout on mdx background mice
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Project description:In this study, Pax7-Cre mediated inactivation of Sirt6 in mdx mice resulted in profound improvement of the mdx phenotype at the functional level. To study the underlying molecular mechanisms we performed RNA-seq of muscles from control, mdx and Sirt6mKO/mdx mice.
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Project description:In this study, Pax7-Cre mediated inactivation of Sirt6 in mdx mice resulted in profound improvement of the mdx phenotype at the functional level. To study the underlying molecular mechanisms we performed RNA-seq of MuSCs from control, mdx and Sirt6mKO/mdx mice.
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Project description:In this study, Pax7-Cre mediated inactivation of Sirt6 in mdx mice resulted in profound improvement of the mdx phenotype at the functional level. To study the underlying molecular mechanisms and identify specific Sirt6 targets irrespectively to mdx mutation, we performed RNA-seq of freshly isolated muscle stem cells from control and Sirt6mKO mice.
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Project description:Analysis of skeletal muscles with specific knockout (KO) of Phosphatase and tensin homolog (Pten) gene in an animal model of DMD (mdx mice). Pten knockout alleviates myofiber degeneration and restores muscle function in mdx mice.
2020-10-06 | GSE150220 | GEO
Project description:Duchenne muscular dystrophy (DMD) is an X-linked recessive disease caused by deleterious mutations in the DMD gene, rendering non-functional forms or complete absence of the protein dystrophin. Eccentric contraction-induced force loss is the most robust and reproducible phenotype of dystrophin-deficient skeletal muscle, yet the molecular mechanisms underlying force loss remain obscure. To this end, we utilized the mdx mouse model of DMD, which displays extreme sensitivity to eccentric contractions. An existing mouse line from our lab that overexpresses cytoplasmic gamma-actin specifically in skeletal muscle (mdx/Actg1-TG) was shown to significantly protect mdx muscle against contraction-induced force loss. To understand the mechanism behind this protection, we performed iTRAQ proteomics on mdx/Actg1-TG tibialis anterior (TA) muscle versus non-transgenic littermate controls to identify differentially-expressed proteins that may afford protection upon gamma-actin overexpression.
2018-10-22 | PXD009680 | Pride
Project description:Despite over 3,000 articles published on dystrophin in the last 15 years, the reasons underlying the progression of the human disease, differential muscle involvement, and disparate phenotypes in different species are not understood. The present experiment employed a screen of 12,488 mRNAs in 16-wk-old mouse mdx muscle at a time when the skeletal muscle is avoiding severe dystrophic pathophysiology, despite the absence of a functional dystrophin protein. A number of transcripts whose levels differed between the mdx and human Duchenne muscular dystrophy were noted. A fourfold decrease in myostatin mRNA in the mdx muscle was noted. Differential upregulation of actin-related protein 2/3 (subunit 4), beta-thymosin, calponin, mast cell chymase, and guanidinoacetate methyltransferase mRNA in the more benign mdx was also observed. Transcripts for oxidative and glycolytic enzymes in mdx muscle were not downregulated. These discrepancies could provide candidates for salvage pathways that maintain skeletal muscle integrity in the absence of a functional dystrophin protein in mdx skeletal muscle. Keywords: other
2003-07-16 | GSE466 | GEO
Project description:Leg muscle mdx and control: 7,14,23 day Keywords: other
2004-02-05 | GSE1018 | GEO
Project description:Expanding the exercise capacity is an emerging strategy to combat metabolic diseases. Skeletal muscle fiber type determination is critical for the exercise performance, but the regulatory basis is largely unknown. Here, we report that Sirt6 has a role in regulating myofiber configuration toward oxidative type and that Sirt6 activator can be an exercise mimetic. To elucidate molecular mechanisms, we performed RNA-sequencing analysis using WT and skeletal muscle-specific Sirt6 KO mice. Transcriptomic analysis enabled us to discover major signaling nodes altered by Sirt6 deficiency in close association with mitochondrial function and muscle phenotypes.
2022-02-25 | GSE186105 | GEO
Project description:Transgenic overexpression of Galgt2 in the skeletal muscles of mdx mice inhibits the development of disease pathology associated with muscular dystrophy. This is the case both in transgenic mice, where Galgt2 overexpression occurs from embryonic timepoints onward and in mdx mice where Galgt2 is overexpressed in the early postnatal period using Adeno-associated virus (AAV). Here, we use gene expression profiling to compare transcriptional changes resulting from embryonic and postnatal Galgt2 overexpression in mdx skeletal muscle. A surprising number of changes were in genes known to ameliorate muscular dystrophy when overexpressed (agrin, integrin alpha 7, ADAM12, Bcl2) or to cause muscular dystrophy when mutated (collagen VI (alpha1,alpha2), plectin 1, dystroglycan, selenoprotein N1, integrin alpha7, biglycan, dysferlin). Several genes involved in calcium homeostasis were also changed. In Galgt2 transgenic mice, where embryonic overexpression of Galgt2 in skeletal muscles alters neuromuscular development and muscle growth, the number of gene expression changes was vastly greater, however, 14% of genes altered in postnatal AAV-Galgt2 infected mdx muscles were also changed with embryonic overexpression. These experiments suggest that postnatal overexpression of Galgt2 inhibits muscular dystrophy in mdx mice via induction of a group of genes that, in aggregate, can govern membrane stability, membrane repair, calcium homeostasis, and apoptosis. Transgenic overexpression of Galgt2 in the skeletal muscles of mdx mice inhibits the development of disease pathology associated with muscular dystrophy. This is the case both in transgenic mice, where Galgt2 overexpression occurs from embryonic timepoints onward and in mdx mice where Galgt2 is overexpressed in the early postnatal period using Adeno-associated virus (AAV). Here, we use gene expression profiling to compare transcriptional changes resulting from embryonic and postnatal Galgt2 overexpression in mdx skeletal muscle. A surprising number of changes were in genes known to ameliorate muscular dystrophy when overexpressed (agrin, integrin alpha7, ADAM12, Bcl2) or to cause muscular dystrophy when mutated (collagen VI (alpha1,alpha2), plectin 1, dystroglycan, selenoprotein N1, integrin alpha7, biglycan, dysferlin). Several genes involved in calcium homeostasis were also changed. In Galgt2 transgenic mice, where embryonic overexpression of Galgt2 in skeletal muscles alters neuromuscular development and muscle growth, the number of gene expression changes was vastly greater, however, 14% of genes altered in postnatal AAV-Galgt2 infected mdx muscles were also changed with embryonic overexpression. These experiments suggest that postnatal overexpression of Galgt2 inhibits muscular dystrophy in mdx mice via induction of a group of genes that, in aggregate, can govern membrane stability, membrane repair, calcium homeostasis, and apoptosis. Experiment Overall Design: Microarrays were done in three groups at a time. 1) Transgenic Overexpression of Galgt2 - comprised to Wild Type (WT), Galgt2 Transgenic (CT), Dystrophin-Deficient (mdx), and Galgt2 Transgenic and Dystrophin-Deficient (CTmdx) each in duplicate 2) AAV-Mediated Galgt2 Gene Delivery in to the mdx gastrocnemius muscle in the postnatal period - comprised of AAVGalgt2 and PBS each in duplicate, and 3) Myoblasts and myotubes - comptised of one sample each of C1C12 myoblasts and myotubes, C2C12 myoblasts and myotubes stably transfected with Galgt2
2009-03-07 | E-GEOD-7863 | biostudies-arrayexpress