Dataset Information


Dwarf Ad libitum

ABSTRACT: Female Ames dwarf mouse (df/df) with ad libitum access to water and standard pelleted food (LabDiet, PMI Feeds, Inc., St Louis, MO) caged with microisolator filter tops. Mice were killed between 24 to 26 months of age, tissues removed, rapidly frozen on dry ice, and stored in liquid nitrogen. Total liver RNA was isolated from frozen tissue as described (T. Tsuchiya, J.M. Dhahbi, X. Cui, P.L. Mote, A. Bartke, S.R. Spindler, Physiological Genomics, Submitted). mRNA levels were measured using the Affymetrix mouse U74Av2 array according to standard protocols. After hybridization, arrays were scanned using a Hewlett-Packard GeneArray Scanner. Image analysis was performed as described (Cao SX, Dhahbi JM, Mote PL, and Spindler SR. Genomic profiling of short- and long-term caloric restriction effects in the liver of aging mice. Proc Natl Acad Sci U S A 98: 10630-10635, 2001). A more detailed description of the methods can be found in (T. Tsuchiya, J.M. Dhahbi, X. Cui, P.L. Mote, A. Bartke, S.R. Spindler, Physiological Genomics, Submitted). Keywords = Ames dwarf Keywords = mouse Keywords = Affymetrix Keywords = caloric restriction Keywords: parallel sample

INSTRUMENT(S): [MG_U74Av2] Affymetrix Murine Genome U74A Version 2 Array

SUBMITTER: Stephen R. Spindler  

PROVIDER: GSE1086 | GEO | 2005-01-10



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Additive regulation of hepatic gene expression by dwarfism and caloric restriction.

Tsuchiya Tomoshi T   Dhahbi Joseph M JM   Cui Xinping X   Mote Patricia L PL   Bartke Andrzej A   Spindler Stephen R SR  

Physiological genomics 20040519 3

Disrupted growth hormone/insulin-like growth factor-1 signaling (DF) and caloric restriction (CR) extend life span and delay the onset of age-related diseases in rodents. In combination, these interventions additively extend life span. To investigate the molecular basis for these effects, we performed genome-wide, microarray expression analysis of liver from homozygous and heterozygous Ames dwarf mice fed ad libitum or CR. CR and DF additively affected a group of 95 genes. Individually and toget  ...[more]

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