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Transcription profiling of mouse livers and quadriceps muscles of Kruppel-like factor 15 (KLF15) null mutants after an overnight fast to provide insight into the role of KLF15 in gluconeogenesis

ABSTRACT: We used microarray analysis to identify differences in gene expression levels, in liver and in quadriceps skeletal muscle, between 18h (overnight) fasted WT control and Kruppel-like factor 15 (KLF15)-null mice. Experiment Overall Design: Liver and skeletal muscle (quadriceps) tissues were isolated from 4-5 month old, 18h-fasted WT and KLF15-null female mice for RNA extraction and hybridization on Affymetrix microarrays.

ORGANISM(S): Mus musculus

SUBMITTER: Susan Gray 

PROVIDER: E-GEOD-7137 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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In the postabsorptive state, certain tissues, including the brain, require glucose as the sole source of energy. After an overnight fast, hepatic glycogen stores are depleted, and gluconeogenesis becomes essential for preventing life-threatening hypoglycemia. Mice with a targeted deletion of KLF15, a member of the Krüppel-like family of transcription factors, display severe hypoglycemia after an overnight (18 hr) fast. We provide evidence that defective amino acid catabolism promotes the develop  ...[more]

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