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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of mouse dystrophin-deficient and dystrophin and utrophin double-deficient animalse crossed with mice with full-length hDMD genes

ABSTRACT: Crossing of hDMD mice that contain the full-length 2.3 Mb hDMD gene were crossed with dystrophin-deficient mdx mice and dystrophin and utrophin double-deficient mdx x utrn-/- mice resulted in a full rescue of the dystrophic features of these mice, as concluded from histological analysis. Analysis on Affymetrix gene chips demonstrated that also expression profiles of the dystrophic mice were normalized by crossing with transgenic hDMD mice. This confirms the full functionality of the hDMD transgene in mice. Experiment Overall Design: RNA from gastrocnemius muscle from individual mice was hybridized to Affymetrix U74Av2

ORGANISM(S): Mus musculus

SUBMITTER: Peter 't Hoen

PROVIDER: E-GEOD-6790 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Generation and characterization of transgenic mice with the full-length human DMD gene.

't Hoen Peter A C PA de Meijer Emile J EJ Boer Judith M JM Vossen Rolf H A M RH Turk Rolf R Maatman Ronald G H J RG Davies Kay E KE van Ommen Gert-Jan B GJ van Deutekom Judith C T JC den Dunnen Johan T JT

The Journal of biological chemistry 20071213 9

We report the generation of mice with an intact and functional copy of the 2.3-megabase human dystrophin gene (hDMD), the largest functional stretch of human DNA thus far integrated into a mouse chromosome. Yeast spheroplasts containing an artificial chromosome with the full-length hDMD gene were fused with mouse embryonic stem cells and were subsequently injected into mouse blastocysts to produce transgenic hDMD mice. Human-specific PCR, Southern blotting, and fluorescent in situ hybridization ...[more]

PMID: 18083704

Similar Datasets

Dystrophin-deficient and dystrophin and utrophin double-deficient mice crossed with mice with full-length hDMD genes

Project description:Crossing of hDMD mice that contain the full-length 2.3 Mb hDMD gene were crossed with dystrophin-deficient mdx mice and dystrophin and utrophin double-deficient mdx x utrn-/- mice resulted in a full rescue of the dystrophic features of these mice, as concluded from histological analysis. Analysis on Affymetrix gene chips demonstrated that also expression profiles of the dystrophic mice were normalized by crossing with transgenic hDMD mice. This confirms the full functionality of the hDMD transgene in mice. Keywords: disease state analysis

2007-12-13 | GSE6790 | GEO

Loss of full-length dystrophin expression causes major cell-autonomous abnormalities in proliferating myoblasts

Project description:Duchenne muscular dystrophy (DMD) is a severely debilitating and incurable neuromuscular disease. Its conspicuous feature is the absence of dystrophin in myofibers and therefore most therapeutic approaches focus on some form of its re-expression there. However, increasing body of evidence points at an early developmental onset of DMD and severe abnormalities were uncovered in dystrophic muscle stem cells. In this study, we explore gene expression changes in primary myoblasts from mice lacking expression of the full length dystrophin transcript. Total RNA extracted from primary myoblasts isolated from gastrocnemii of 8 week old male Dmd-mdx (MDX - lacking the full length dystrophin transcript), Dmd-mdx-βgeo (BGEO - lacking all dystrophin expression) and control mice (WT) were subjected to RNA sequencing following ribodepletion, and analysed for the differential expression of genes between groups and the enrichment of gene ontology categories or pathways.

2022-09-14 | E-MTAB-10322 | biostudies-arrayexpress

Transcription profiling of 16-week-old mdx mouse muscles to characterize transcriptional changes induced by dystrophin deficiency.

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.

2007-11-06 | E-GEOD-466 | biostudies-arrayexpress

RNA-seq comparison of whole muscle between WT mice, dystrophic mice, and P2rx7-null dystrophic mice

Project description:Duchenne muscular dystrophy (DMD) is a debilitating and typically fatal X-linked progressive neuromuscular disorder that results in progressive muscle degeneration aggravated by sterile inflammation. The P2RX7 purinoceptor is an extracellular ATP-gated ion channel expressed in immune cells, and has been targeted in treatment of infectious and inflammatory diseases. In particular, P2xr7 receptor abnormalities have been demonstrated in mdx dystrophic mice, a model for DMD lacking expression of the full length dystrophin transcript through a single point mutation in exon 23. Here, we looked at the differential effects in gene expression regulation in whole muscle in dystrophic mdx mice with or without ablation of the P2rx7 purinoceptor.

2019-09-26 | E-MTAB-7698 | biostudies-arrayexpress

Multi-level omics analysis of dystrophin loss and therapeutic restoration in a murine model [microRNA]

Project description:Duchenne muscular dystrophy (DMD) is a classical monogenic disorder, a model disease for genomic studies and a priority candidate for regenerative medicine and gene therapy. Although the genetic cause of DMD is well known, the molecular pathogenesis of disease and the response to therapy are incompletely understood. Here, we describe analyses of protein, mRNA and microRNA expression in the tibialis anterior of the mdx mouse model of DMD. Notably, 3272 proteins were quantifiable and 525 identified as differentially expressed in mdx muscle (P < 0.01). Therapeutic restoration of dystrophin by exon skipping induced widespread shifts in protein and mRNA expression towards wild-type expression levels, whereas the miRNome was largely unaffected. Comparison analyses between datasets showed that protein and mRNA ratios were only weakly correlated (r = 0.405), and identified a multitude of differentially affected cellular pathways, upstream regulators and predicted miRNA–target interactions. This study provides fundamental new insights into gene expression and regulation in dystrophic muscle. 3 Wt, 4 mdx and 4 Pip6e-PMO treated mdx mice

2015-09-24 | E-GEOD-64419 | biostudies-arrayexpress

Multi-level omics analysis of gene expression in a murine model of dystrophin loss and therapeutic restoration [mRNA]

Project description:Duchenne muscular dystrophy (DMD) is a classical monogenic disorder, a model disease for genomic studies and a priority candidate for regenerative medicine and gene therapy. Although the genetic cause of DMD is well known, the molecular pathogenesis of disease and the response to therapy are incompletely understood. Here,we describe analyses of protein, mRNA and microRNA expression in the tibialis anterior of the mdx mouse model of DMD. Notably, 3272 proteins were quantifiable and 525 identified as differentially expressed in mdx muscle (P < 0.01). Therapeutic restoration of dystrophin by exon skipping induced widespread shifts in protein and mRNA expression towards wild-type expression levels, whereas the miRNome was largely unaffected. Comparison analyses between datasets showed that protein and mRNA ratios were only weakly correlated (r = 0.405), and identified a multitude of differentially affected cellular pathways, upstream regulators and predicted miRNA–target interactions. This study provides fundamental new insights into gene expression and regulation in dystrophic muscle. 3 Wt, 4 mdx and 4 Pip6e-PMO treated mdx mice

2015-09-24 | E-GEOD-64418 | biostudies-arrayexpress

Transcription profiling of mouse extraocular and hindlimb muscle to determine gene expression changes in extraocular and hindlimb (gastrocnemius/soleus) of mdx (dystrophin-deficient) mice at postnatal day 56

Project description:Determination of gene expression changes in extraocular and hindlimb (gastrocnemius/soleus) of mdx (dystrophin-deficient) mice at postnatal day 56. 5 independent replicates/muscle group/strain.

2007-10-09 | E-GEOD-1472 | biostudies-arrayexpress

Dock3 is essential for normal myogenic fusion and alters dystrophin-deficiency pathologies

Project description:DOCK3 is a member of the DOCK family of guanine nucleotide exchange factors that function to regulate cell migration, fusion, and overall viability. Previously, we identified a miR-486/Dock3 signaling cascade that was dysregulated in dystrophin-deficient muscle which resulted in the overexpression of DOCK3, however not much else is known about the role of DOCK3 in muscle. In this work, we characterize the functional role of DOCK3 in normal and dystrophic striated muscle. By utilizing the Dock3 global knockout (Dock3 KO) mice, we found reducing Dock3 gene via haploinsufficiency in DMD mice improved muscle histology, however full loss of Dock3 worsened overall muscle function on a dystrophin-deficient background. Consistent with this, Dock3 KO mice have impaired muscle architecture, myoblast fusion defects, and cardiac functional deficits. Moreover, transcriptomic analyses of Dock3 knockout muscles reveal a decrease in factors known for myoblast fusion, suggesting a possible mechanism of action. These studies identify DOCK3 as a novel modulator of muscle fusion and muscle health, and may yield additional therapeutic targets for treating dystrophic muscle symptoms.

2020-12-24 | GSE141621 | GEO

Fibro-adipogenic progenitors of dystrophic mice are insensitive to NOTCH regulation of adipogenesis

Project description:Fibro adipogenic progenitors (FAPs) promote satellite cell differentiation in adult skeletal muscle regeneration. However, in pathological conditions, FAPs are responsible for fibrosis and fatty infiltrations. Here we show that the NOTCH pathway negatively modulates FAP differentiation both in vitro and in vivo. However, FAPs isolated from young dystrophin- deficient mdx mice are insensitive to this control mechanism. An unbiased mass spectrometry-based proteomic analysis of FAPs from muscles of wild type and mdx mice, suggest that the synergistic cooperation between NOTCH and inflammatory signals controls FAP differentiation. Remarkably, we demonstrated that factors released by hematopoietic cells restore the sensitivity to NOTCH adipogenic inhibition in mdx FAPs. These results offer a basis for rationalizing pathological ectopic fat infiltrations in skeletal muscle and may suggest new therapeutic strategies to mitigate the detrimental effects of fat depositions in muscles of dystrophic patients.

2019-06-24 | PXD014195 | Pride

mRNA expression in regenerated mdx mouse skeletal muscle

2003-07-16 | GSE466 | GEO

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