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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of mouse liver from long lived Prop-1 mutant (Ames) vs. wild type controls

ABSTRACT: To compare and contrast genetic signatures from livers of young and aged Ames dwarf mice with their wild type controls. SUBMITTER_CITATION: W. H. Boylston, James H. DeFord, John Papaconstantinou (2006) Identification of longevity-associated genes in long-lived Snell and Ames dwarf mice Age 28:125-144 Experiment Overall Design: 25 micrograms of liver RNA was isolated from young (5 dwarfs, 5 wildtype), middle aged (5 dwarfs, 5 wild type) and aged (5 dwarf, 6 wild type) mice for use in hybridization of Affymetrix gene chips according to Affymetrix protocols.

ORGANISM(S): Mus musculus

SUBMITTER: James DeFord

PROVIDER: E-GEOD-3150 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcription profiling of livers from aged and young Snell dwarf mice and their wild type controls to identify genetic signatures.

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Normal Ad Libitum

Project description:Female Ames dwarf mouse (+/+ or +/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

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