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Age-mediated transcriptomic changes in adult mouse brain ventral tegmental area

ABSTRACT: Substantia nigra pars compacta (SNpc) is highly sensitive to normal aging and selectively degenerates in Parkinson's disease. However, ventral tegmental area (VTA), a region adjacent to SNpc, is less affected in PD. Until now, molecular mechanisms behind VTA aging have not been fully investigated using high throughput techniques. Here, aging-associated early changes in transcriptome of VTA were investigated comparing late middle-aged (18 months old) to young (2 months old) mice.

ORGANISM(S): Mus musculus

PROVIDER: GSE45044 | GEO | 2013/05/29

SECONDARY ACCESSION(S): PRJNA192891

REPOSITORIES: GEO

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Age-mediated transcriptomic changes in adult mouse brain ventral tegmental area

Project description:Substantia nigra pars compacta (SNpc) is highly sensitive to normal aging and selectively degenerates in Parkinson's disease. However, ventral tegmental area (VTA), a region adjacent to SNpc, is less affected in PD. Until now, molecular mechanisms behind VTA aging have not been fully investigated using high throughput techniques. Here, aging-associated early changes in transcriptome of VTA were investigated comparing late middle-aged (18 months old) to young (2 months old) mice. Three age groups of C57 wild type mice were used in microarray analysis: young (2 months old), middle aged (10 months old), and late-middle aged (18 months old) mice. Four replicates were included in each age group and each replicate was pooled from 5 mice (5 mice/replicate x 4 replicates x 3 age groups). Total RNA was isolated from VTA for hybridization on Affymetrix microarrays.

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