Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Transcription profiling of mouse myoblasts (C2C12 cells) differentiated into myotubes infected with an adenovirus expressing either green fluorescent protein (GFP) or PGC-1alpha, known to induce mitochondrial biogenesis in muscle cells

ABSTRACT: Microarray time-course of mouse myotubes transduced with the transcriptional co-activator PGC-1alpha, which is known to induce mitochondrial biogenesis in muscle cells. Experiment Overall Design: Cultured mouse myoblasts (C2C12 cells) were differentiated into myotubes and on day 3 were infected with an adenovirus expressing either green fluorescent protein (GFP) or PGC-1alpha. Gene expression was measured at three time points (days 0, 1, 2, 3) in biological triplicate.

ORGANISM(S): Mus musculus

SUBMITTER: Vamsi Mootha

PROVIDER: E-GEOD-4330 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Systematic identification of human mitochondrial disease genes through integrative genomics.

Calvo Sarah S Jain Mohit M Xie Xiaohui X Sheth Sunil A SA Chang Betty B Goldberger Olga A OA Spinazzola Antonella A Zeviani Massimo M Carr Steven A SA Mootha Vamsi K VK

Nature genetics 20060402 5

The majority of inherited mitochondrial disorders are due to mutations not in the mitochondrial genome (mtDNA) but rather in the nuclear genes encoding proteins targeted to this organelle. Elucidation of the molecular basis for these disorders is limited because only half of the estimated 1,500 mitochondrial proteins have been identified. To systematically expand this catalog, we experimentally and computationally generated eight genome-scale data sets, each designed to provide clues as to mitoc ...[more]

PMID: 16582907

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Project description:Title: Total Skeletal Muscle PGC-1 Deficiency Uncouples Mitochondrial Derangements from Fiber Type Determination and Insulin Sensitivity Abstract: Evidence is emerging that the PGC-1 coactivators serve a critical role in skeletal muscle metabolism, function, and disease. Mice with total PGC-1 deficiency in skeletal muscle (PGC-1α-/- βf/f/MLC-Cre mice) were generated and characterized. PGC-1α-/-βf/f/MLC-Cre mice exhibit a dramatic reduction in exercise performance compared to single PGC-1α- or PGC-1β-deficient mice and wild-type controls. The exercise phenotype of the PGC-1α-/-βf/f/MLC-Cre mice was associated with a marked diminution in muscle oxidative capacity and mitochondrial structural derangements consistent with fusion/fission and biogenic defects together with rapid depletion of muscle glycogen stores during exercise. Surprisingly, the skeletal muscle fiber type profile of the PGC-1α-/-βf/f/MLCCre mice was not significantly different than the wild-type mice. Moreover, insulin sensitivity and glucose tolerance were also not altered in the PGC-1α-/-βf/f/MLC-Cre mice. Taken together, we conclude that PGC-1 coactivators are necessary for the oxidative and mitochondrial programs of skeletal muscle but are dispensable for fundamental fiber type determination and insulin sensitivity. RNA from PGC-1alpha-/- beta f/f/Mlc1fcre was obtained and gene expression pattern compared with PGC-1alpha -/-, PGC-1beta f/f, and PGC-1beta f/f/Mlc1fCre controls. Results file descriptions: 1. GSE23365_skfloxAKO_PPexcl_genesup_GEO-8-16-2010: This table contains genes that were upregulated ≥2.0 fold in gastrocnemius muscle from PGC-1alpha-/- - mice, PGC-1beta f/f/Mlc1fCre mice and PGC-1alpha-/- - beta f/f/Mlc1fCre mice. All groups are normalized to PGC-1beta f/f mice and values are expressed as mean±SEM. The column “description’ contains the gene name, and the column “ID” contains Agilent probe names. 2. GSE23365_skfloxAKO_PPexcl_genesdown_GEO-8-16-2010 This table contains genes that were downregulated ≤0.7 fold in gastrocnemius muscle from PGC-1alpha-/- - mice, PGC-1beta f/f/Mlc1fCre mice and PGC-1alpha-/- - beta f/f/Mlc1fCre mice. All groups are normalized to PGC-1beta f/f mice and values are expressed as mean±SEM. The column “description’ contains the gene name, and the column “ID” contains Agilent probe names.

Dataset Information

Transcription profiling of mouse myoblasts (C2C12 cells) differentiated into myotubes infected with an adenovirus expressing either green fluorescent protein (GFP) or PGC-1alpha, known to induce mitochondrial biogenesis in muscle cells

Publications

Systematic identification of human mitochondrial disease genes through integrative genomics.

Similar Datasets

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