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Links from GEO DataSets

Items: 16

1.

Effects of Peroxisome proliferator-γ coactivator-1α (PGC-1a) isoform over-expression +/- TNFalpha on hepatocyte gene expression

(Submitter supplied) PGC-1a is a transcriptional coactivator known to regulate a broad gene program of nutrient and mitochondrial metabolism. Many splice variants of this protein have been identified, but their functions were unknown. This experiment was designed to delineate the downstream targets of two different PGC-1alpha isoforms (PGC-1a1 and PGC-1a4) in hepatocytes, and to determine whether inflammatory signaling (via TNFR activation) modulated these targets Liver is exposed to constantly changing metabolic and inflammatory environments. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL1261
18 Samples
Download data: CEL, CHP
Series
Accession:
GSE132458
ID:
200132458
2.

Peroxisome proliferator-activated receptor gamma coactivator-1alpha isoforms selectively regulate multiple splicing events on target genes.

(Submitter supplied) Endurance and resistance exercise training induce specific and profound changes in the skeletal muscle transcriptome. PGC-1a; coactivators are not only among the genes differentially induced by distinct training methods, but also participate in the ensuing signaling cascades that allow skeletal muscle to adapt to each type of exercise. While endurance training preferentially induces PGC-1a1 expression, resistance exercise activates the expression of PGC-1a2, a3, and a4. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL6096
15 Samples
Download data: CEL
Series
Accession:
GSE75448
ID:
200075448
3.

Progressive loss of PGC-1alpha expression in aging muscle potentiates glucose intolerance and systemic inflammation

(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
Series
Accession:
GSE52550
ID:
200052550
4.
Full record GDS4904

Peroxisome proliferator-γ coactivator-1α deficiency effect on aged gastrocnemius muscle

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
5.

A map of the PGC-1α- and NT-PGC-1α-regulated transcriptional network in brown adipose tissue

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Mus musculus
Type:
Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing
Platform:
GPL15907
16 Samples
Download data
Series
Accession:
GSE110056
ID:
200110056
6.

A map of the PGC-1α- and NT-PGC-1α-regulated transcriptional network in brown adipose tissue [SAGE]

(Submitter supplied) Transcriptional coactivator PGC-1α and its splice variant NT-PGC-1α play crucial roles in regulating cold-induced thermogenesis in brown adipose tissue (BAT). PGC-1α and NT-PGC-1α are highly induced by cold in BAT and subsequently bind to and coactivate many different transcription factors to regulate expression of genes involved in mitochondrial biogenesis, fatty acid oxidation, respiration and thermogenesis. more...
Organism:
Mus musculus
Type:
Expression profiling by high throughput sequencing
Platform:
GPL15907
12 Samples
Download data: TXT
Series
Accession:
GSE110055
ID:
200110055
7.

A map of the PGC-1α- and NT-PGC-1α-regulated transcriptional network in brown adipose tissue [ChIP-Seq]

(Submitter supplied) Transcriptional coactivator PGC-1α and its splice variant NT-PGC-1α play crucial roles in regulating cold-induced thermogenesis in brown adipose tissue (BAT). PGC-1α and NT-PGC-1α are highly induced by cold in BAT and subsequently bind to and coactivate many different transcription factors to regulate expression of genes involved in mitochondrial biogenesis, fatty acid oxidation, respiration and thermogenesis. more...
Organism:
Mus musculus
Type:
Genome binding/occupancy profiling by high throughput sequencing
Platform:
GPL15907
4 Samples
Download data: BEDGRAPH
Series
Accession:
GSE110053
ID:
200110053
8.

lipin 1beta overexpression in mouse liver

(Submitter supplied) Mutations in the gene encoding lipin 1 cause hepatic steatosis in fld mice, a genetic model of lipodystrophy. Lipin 1 appears to be highly involved in the control of fatty acid metabolism. Lipin 1 is most often located in the nucleus, but other studies suggest that lipin also has effects in the cytoplasm. However, the molecular function of lipin 1 is unclear. To evaluate the effects of activation of the lipin 1 system in liver, lipin 1beta was overexpressed in mouse liver using an adenoviral vector. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Dataset:
GDS2291
Platform:
GPL339
4 Samples
Download data
Series
Accession:
GSE5538
ID:
200005538
9.
Full record GDS2291

Lipin 1-beta overexpression effect on the liver

Analysis of livers of transgenics overexpressing lipin 1-beta, an alternative form of lipin 1 containing a 33 amino acid insertion. Mutations in the gene encoding lipin 1 cause hepatic steatosis in fld animals, a genetic model of lipodystrophy. Results provide insight into the function of lipin 1.
Organism:
Mus musculus
Type:
Expression profiling by array, count, 2 genotype/variation sets
Platform:
GPL339
Series:
GSE5538
4 Samples
Download data
DataSet
Accession:
GDS2291
ID:
2291
10.

ALS-causing mutations differentially affect PGC-1alpha expression and function in the brain vs. peripheral tissues

(Submitter supplied) Amyotrophic later sclerosis is a motor neuron disease accompanied by metabolic changes. PGC (PPAR gamma coactivator)-1alpha is a master regulator of mitochondrial biogenesis and function and of critical importance for all metabolically active tissues. PGC-1alpha is a genetic modifier of ALS. We used microarray analysis to identify PGC-1alpha target genes in the brain.
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL1261
6 Samples
Download data: CEL
Series
Accession:
GSE77919
ID:
200077919
11.

PGC-1 alpha isoforms and muscle hypertrophy

(Submitter supplied) An alternative promoter of the PGC-1alpha gene gives rise to three new PGC-1alpha isoforms refered to as PGC-1a2 (A2), PGC-1a3 (A3) and PGC-1a4 (A4). The proximal PGC-1 alpha promotor transcribes the canonical PGC-1 alpha which is refered to as PGC-1a1 (A1).G1/G2/G3 samples refer to the Green fluorescent protein (GFP) control samples used in this experiment. Forced expression of the PGC-1a4 isoform results in muslce hypertrophy associated with increased IGF-1 signaling and repression of myostatin signaling.
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL1261
15 Samples
Download data: CEL
Series
Accession:
GSE42473
ID:
200042473
12.

Effect of Ppargc1a overexpression in mouse heart

(Submitter supplied) Ppargc1a overexpression in heart tissue measured using RNA sequencing
Organism:
Mus musculus
Type:
Expression profiling by high throughput sequencing
Platform:
GPL13112
12 Samples
Download data: BEDGRAPH
Series
Accession:
GSE77795
ID:
200077795
13.

Remodeling of Brown and White Adipose Tissue by NT-PGC-1α-Mediated Gene Regulation

(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
Series
Accession:
GSE71774
ID:
200071774
14.

Acute treatment with chemical PPARGC1a1 activators in brown fat cells

(Submitter supplied) The peroxisome proliferator-activated receptor-coactivator-1α1 (PGC-1α1) regulates genes involved in energy metabolism. Increasing adipose tissue energy expenditure through PGC-1α1 activation has been suggested to be beneficial for systemic metabolism. Pharmacological PGC-1α1 activators could be valuable tools in the fight against obesity and metabolic disease. Finding such compounds has been challenging partly because PGC-1α1 is a transcriptional coactivator with no known ligand-binding activities. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL17400
9 Samples
Download data: CEL, TXT
Series
Accession:
GSE107630
ID:
200107630
15.

Loss of renal tubular PGC-1α exacerbates diet-induced renal steatosis and age-related urinary sodium excretion in mice

(Submitter supplied) The kidney has a high energy demand and is dependent on oxidative metabolism for ATP production. Accordingly, the kidney is rich in mitochondria, and mitochondrial dysfunction is a common denominator for several renal diseases. While the mitochondrial master regulator peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) is highly expressed in kidney, its role in renal physiology is so far unclear. more...
Organism:
Mus musculus
Type:
Expression profiling by array
Platform:
GPL16570
16 Samples
Download data: CEL
Series
Accession:
GSE80618
ID:
200080618
16.

Regulation of HSF1-mediated transcriptional programs by PGC-1alpha

(Submitter supplied) We examined global gene expression patterns in response to PGC-1 expression in cells derived from liver or muscle. As our study revealed regulation of HSF1 by PGC-1alpha, in some experiments we knocked-down HSF1 using siRNAs in addition to inducing PGC-1alpha expression.
Organism:
Mus musculus; Homo sapiens
Type:
Expression profiling by array
Platforms:
GPL6246 GPL6244
19 Samples
Download data: CEL
Series
Accession:
GSE51498
ID:
200051498
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