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Effect of ATF4 gene knockout on skeletal muscle mRNA levels in fasted mice.

ABSTRACT: ATF4 is a fasting-induced trascription factor that promotes skeletal muscle atrophy. The goal of these studies was to determine how of loss of ATF4 affects skeletal muscle mRNA expression. For additional details see Ebert et al, Stress-Induced Skeletal Muscle Gadd45a Expression Reprograms Myonuclei and Causes Muscle Atrophy. JBC epub. June 12, 2012.

ORGANISM(S): Mus musculus

PROVIDER: GSE39193 | GEO | 2012/09/15

SECONDARY ACCESSION(S): PRJNA170206

REPOSITORIES: GEO

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Effect of ATF4 gene knockout on skeletal muscle mRNA levels in fasted mice.

Project description:ATF4 is a fasting-induced trascription factor that promotes skeletal muscle atrophy. The goal of these studies was to determine how of loss of ATF4 affects skeletal muscle mRNA expression. For additional details see Ebert et al, Stress-Induced Skeletal Muscle Gadd45a Expression Reprograms Myonuclei and Causes Muscle Atrophy. JBC epub. June 12, 2012. Muscle-specfic ATF4 knockout (ATF4 mKO) mice and littermate controls were fasted for 24 hours and then tibialis anterior muscles were harvested. mRNA levels in ATF4 mKO muscles were normalized to levels in littermate control muscles.

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Effect of ATF4 overexpression on mRNA levels in differentiated C2C12 myotubes.

Project description:ATF4 is a bZIP transcription factor that that promotes skeletal muscle atrophy. The goal of these studies was to determine the effects of ATF4 overexpression on mRNA levels in differentiated C2C12 myotubes. For additional details see Ebert et al, Stress-Induced Skeletal Muscle Gadd45a Expression Reprograms Myonuclei and Causes Muscle Atrophy. JBC epub. June 12,2012 C2C12 myotubes were infected with adenovirus co-expressing eGFP and ATF4-FLAG. Control myotubes were infected with adenovirus co-expressing eGFP and a transcriptionally inactive ATF4 construct (ATF4∆bZIP).

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Effect of muscle-specific ATF4 gene knockout (ATF4 mKO) on skeletal muscle mRNA levels in aged mice.

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Effect of muscle-specific ATF4 gene knockout (ATF4 mKO) on skeletal muscle mRNA levels in aged mice.

Project description:For additional details see Ebert et al, Identification and Small Molecule Inhibition of an ATF4-dependent Pathway to Age-related Skeletal Muscle Weakness and Atrophy.

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Effects of ursolic acid and tomatidine on skeletal muscle mRNA expression in aged mice.

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