Genomics,Multiomics

Dataset Information

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Transcription profiling by array of mdx mouse gastrocnemius muscle


ABSTRACT: 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.

REANALYSIS of: E-GEOD-466

OTHER RELATED OMICS DATASETS IN: PRJNA85077

ORGANISM(S): Mus musculus  

PROVIDER: E-GEOD-466 | ExpressionAtlas | 2014-07-03

REPOSITORIES: ExpressionAtlas

Dataset's files

Source:
Action DRS
E-GEOD-466-analysis-methods.tsv Tabular
E-GEOD-466-atlasExperimentSummary.Rdata Rdata
E-GEOD-466-configuration.xml Xml
E-GEOD-466-percentile-ranks.tsv Tabular
E-GEOD-466.condensed-sdrf.tsv Tabular
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Publications

Regenerated mdx mouse skeletal muscle shows differential mRNA expression.

Tseng B S BS   Zhao P P   Pattison J S JS   Gordon S E SE   Granchelli J A JA   Madsen R W RW   Folk L C LC   Hoffman E P EP   Booth F W FW  

Journal of applied physiology (Bethesda, Md. : 1985) 20020801 2


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 diff  ...[more]

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