GEO DataSets

Analysis of C2C12 myoblasts treated with supraphysiological levels of sodium pyruvate for 72 hours. Pyruvate increases mitochondrial biogenesis in muscle myoblasts. Results provide insight into the impact of altering energy provision on mitochondrial biogenesis in muscle cells.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 2 agent sets

Platform:

GPL1261

Series:

GSE5497

6 Samples

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(Submitter supplied) The present study examines the impact of altering energy provision on mitochondrial biogenesis in muscle cells. C2C12 myoblasts were chronically treated with supraphysiological levels of sodium pyruvate for 72 hr. Treated cells exhibited increased mitochondrial protein expression, basal respiratory rate and maximal oxidative capacity. The increase in mitochondrial biogenesis was independent of increases in PGC-1alpha and PGC-1alpha mRNA expression. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS2265

Platform:

GPL1261

6 Samples

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(Submitter supplied) Mitochondria play an essential role in the ability of brown fat to generate heat, and the PGC-1 coactivators control several aspects of mitochondrial biogenesis. To investigate their specific roles in brown fat cells, we generated immortal preadipocyte lines from the brown adipose tissue of mice lacking PGC-1α. We could then efficiently knockdown PGC-1β expression by shRNA expression. Loss of PGC-1α did not alter brown fat differentiation but severely reduced the induction of thermogenic genes. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS2123

Platform:

GPL1261

6 Samples

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(Submitter supplied) To investigate the specific role of PGC-1 coactivators in brown fat cells, we generated immortal preadipocyte lines from the brown adipose tissue of mice lacking PGC-1alpha. We could then efficiently knockdown PGC-1beta expression by shRNA expression. Loss of PGC-1alpha did not alter brown fat differentiation but severly reduced the induction of thermogenic genes. In order to assess the specific requirement for PGC-1α in the global transcriptional response to cAMP, we used Affymetrix arrays to compare the sets of genes induced in response to a 4 hr dbcAMP treatment in differentiated wt and KO cells. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS2149

Platform:

GPL1261

8 Samples

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Analysis of PGC-1alpha null brown adipocytes treated with cAMP for 4 hours. PGC-1alpha is required for the thermogenic function of brown fat cells, and cAMP plays a role in thermogenesis. Results provide insight into the role of PGC-1alpha in the global transcriptional response to cAMP.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 2 agent, 2 genotype/variation sets

Platform:

GPL1261

Series:

GSE5041

8 Samples

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Analysis of brown fat cells lacking PGC-1alpha or both PGC-1alpha and PGC-1beta. PGC-1alpha is required for the thermogenic function of brown fat cells, and PGC-1beta is the closest homolog of PGC-1alpha. Results provide insight into the specific roles of PGC-1alpha and PGC-1beta in brown fat cells.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 3 agent, 2 genotype/variation sets

Platform:

GPL1261

Series:

GSE5042

6 Samples

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(Submitter supplied) Transcriptional microarray analysis was conducted on gastrocnemius muscle of control and PGC-1β(i)skm-/- mice one week after the last tamoxifen administration using the Affymetrix Mouse Gene 1.0 ST.

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

2 Samples

Download data: CEL, CHP

(Submitter supplied) Calorie restriction (CR) is a dietary intervention that extends lifespan and healthspan in a variety of organisms. CR improves mitochondrial energy production, fuel oxidation and reactive oxygen species scavenging in skeletal muscle and other tissues, and these processes are thought to be critical to the benefits of CR. PGC-1a is a transcriptional coactivator that regulates mitochondrial function and is induced by CR. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL1261

26 Samples

Download data: CEL

(Submitter supplied) Huntington’s Disease (HD) is an inherited neurodegenerative disease caused by a glutamine repeat expansion in huntingtin protein. Transcriptional deregulation and altered energy metabolism have been implicated in HD pathogenesis. We report here that mutant huntingtin causes disruption of mitochondrial function by inhibiting expression of PGC-1a, a transcriptional coactivator that regulates several metabolic processes including mitochondrial biogenesis and respiration. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS2391

Platform:

GPL1261

6 Samples

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Analysis of brain striatum of PGC-1alpha transcriptional coactivator null mutants. PGC-1alpha regulates several metabolic processes. Altered energy metabolism is implicated in Huntington's disease (HD). Results provide insight into the role of PGC-1alpha in HD pathogenesis.

Organism:

Mus musculus

Type:

Expression profiling by array, count, 2 genotype/variation sets

Platform:

GPL1261

Series:

GSE5786

6 Samples

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(Submitter supplied) Mitochondrial oxidative function is tightly controlled to maintain energy homeostasis in response to nutrient and hormonal signals. An important cellular component in the energy sensing response is the target of rapamycin (TOR) kinase pathway; however whether and how mTOR controls mitochondrial oxidative activity is unknown. Here, we show that mTOR kinase activity stimulates mitochondrial gene expression and oxidative function. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL1261

12 Samples

Download data: CEL

(Submitter supplied) Decreased mitochondrial mass and function in muscle of diabetic patients is associated with low PGC-1alpha, a transcriptional coactivator of the mitochondrial gene program. To investigate whether reduced PGC-1alpha and oxidative capacity in muscle directly contributes to age-related glucose intolerance, we compared the genetic signatures and metabolic profiles of aging mice lacking muscle PGC-1alpha. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Dataset:

GDS4904

Platform:

GPL1261

12 Samples

Download data: CEL

Analysis of muscle from aged animals with muscle-specific Pgc-1α depletion. PGC-1alpha is a transcriptional coactivator of the mitochondrial gene program. Results provide insight into the role of Pgc-1α in the glucose intolerance and chronic systemic inflammation associated with aging.

Organism:

Mus musculus

Type:

Expression profiling by array, transformed count, 2 age, 2 genotype/variation sets

Platform:

GPL1261

Series:

GSE52550

12 Samples

Download data: CEL

(Submitter supplied) The β-adrenergic receptor signaling pathway is a major component of adaptive thermogenesis in brown and white adipose tissue during cold acclimation. The β-AR activation highly induces transcriptional coactivator PGC-1α and its splice variant N-terminal (NT)-PGC-1α, promoting the transcription program of mitochondrial biogenesis and thermogenesis. In the present study, we evaluated the role of NT-PGC-1α in brown adipocyte energy metabolism by genome-wide profiling of NT-PGC-1α-responsive genes. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL2995

4 Samples

Download data: TXT

(Submitter supplied) In the present study we have studied the mechanistic and functional aspects of NCoR1 function in mouse skeletal muscle. NCoR1 muscle-specific knockout mice exhibited an increased oxidative metabolism. Global gene expression analysis revealed a high overlap between the effects of NCoR1 deletion and peroxisome proliferator-activated receptor (PPAR) gamma coactivator 1alpha (PGC-1alpha) overexpression on oxidative metabolism in skeletal muscle. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

20 Samples

Download data: CEL

(Submitter supplied) 8 week-old male C57BL6J mice were given Gram-negative endotoxin (LPS O111:B4, 10 mg/kg) intraperitoneally at time 0. 18 hrs thereafter, they were administered 10 ml/kg 0.9% saline. Mice were sacrificed at 0, 18, or 42 hrs after LPS challenge. Kidneys were immediately collected into TRIzol for RNA preparation. Renal function was measured on blood collected at the time of tissue harvest At t=0hr, mice had normal baseline renal function. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platforms:

GPL8760 GPL8759

24 Samples

Download data: CEL, CHP

(Submitter supplied) The study aimed to analyse the transcriptome of mouse cancer cells while in primary tumor, in circulation and after homing to metastatic site. The model used here is the 4T1 cancer cell orthotopic model.

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6885

3 Samples

Download data: TXT

(Submitter supplied) Context: Exercise training is a plausible model for identification of molecular mechanisms that cause metabolic-related changes in human skeletal muscle. Objective: The goal was to explore the molecular basis of the adaptation of skeletal muscle to exercise training. Design and Intervention: Obese male subjects were subjected to an individualized supervised training program targeted in order to optimize lipid oxidation during 8 weeks. more...

Organism:

Homo sapiens

Type:

Expression profiling by array

Platform:

GPL16022

16 Samples

Download data: GPR

(Submitter supplied) We found that TLS can work as a PGC-1alpha cofactor and this assay was carried out to test the functional dependency of TLS on PGC-1alpha on a whole genome scale

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL7202

12 Samples

Download data: TXT

(Submitter supplied) The peroxisome proliferator-activated receptor c coactivator 1 (PGC-1) proteins are key regulators of cellular bioenergetics and are accordingly expressed in tissues with a high energetic demand. For example, PGC-1a and PGC-1b control organ function of brown adipose tissue, heart, brain, liver and skeletal muscle. Surprisingly, despite their prominent role in the control of mitochondrial biogenesis and oxidative metabolism, expression and function of the PGC-1 coactivators in the retina, an organ with one of the highest energy demands per tissue weight, are completely unknown. more...

Organism:

Mus musculus

Type:

Expression profiling by array

Platform:

GPL6246

13 Samples

Download data: CEL