Unknown,Transcriptomics,Genomics,Proteomics

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Analysis of effect of sirt1 deficiency on global gene expression in testis


ABSTRACT: Testis were obtained from 2 sibling pairs of of young male mice, 1 knock-out and 1 heterozygous for the Sirt1 allele, and used to compare global gene expression using spotted oligo microarrays (the MEEBO arrays from the Stanford microarray core- MOE series). Eighty genes were up or down regulated, where the criteria for differential expression was a greater than 2 fold change in expression level on at least 5 of the 6 sample arrays. The list of differentially expressed genes was enriched for genes involved in spermatogenesis. Keywords: spotted oligonucleotide microarray, mouse 2 pairs of Sirt1 knock-out and heterozygous testis were analyzed. The global gene expression was assessed intriplicate for each pair, including 1 dye swap.

ORGANISM(S): Mus musculus

SUBMITTER: rich allsopp 

PROVIDER: E-GEOD-8492 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Sirt1 deficiency attenuates spermatogenesis and germ cell function.

Coussens Matthew M   Maresh John G JG   Yanagimachi Ryuzo R   Maeda Gregg G   Allsopp Richard R  

PloS one 20080213 2


In mammals, Sirt1, a member of the sirtuin family of proteins, functions as a nicotinamide adenine dinucleotide-dependent protein deactylase, and has important physiological roles, including the regulation of glucose metabolism, cell survival, and mitochondrial respiration. The initial investigations of Sirt1 deficient mice have revealed a phenotype that includes a reduced lifespan, small size, and an increased frequency of abnormal sperm. We have now performed a detailed analysis of the molecul  ...[more]

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