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Transcriptomic changes in the frontal cortex associated with paternal age.


ABSTRACT:

Background

Advanced paternal age is robustly associated with several human neuropsychiatric disorders, particularly autism. The precise mechanism(s) mediating the paternal age effect are not known, but they are thought to involve the accumulation of de novo (epi)genomic alterations. In this study we investigate differences in the frontal cortex transcriptome in a mouse model of advanced paternal age.

Findings

Transcriptomic profiling was undertaken for medial prefrontal cortex tissue dissected from the male offspring of young fathers (2 month old, 4 sires, n?=?16 offspring) and old fathers (10 month old, 6 sires, n?=?16 offspring) in a mouse model of advancing paternal age. We found a number of differentially expressed genes in the offspring of older fathers, many previously implicated in the aetiology of autism. Pathway analysis highlighted significant enrichment for changes in functional networks involved in inflammation and inflammatory disease, which are also implicated in autism.

Conclusions

We observed widespread alterations to the transcriptome associated with advanced paternal age with an enrichment of genes associated with inflammation, an interesting observation given previous evidence linking the immune system to several neuropsychiatric disorders including autism.

SUBMITTER: Smith RG 

PROVIDER: S-EPMC3998024 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Transcriptomic changes in the frontal cortex associated with paternal age.

Smith Rebecca G RG   Fernandes Cathy C   Kember Rachel R   Schalkwyk Leonard C LC   Buxbaum Joseph J   Reichenberg Abraham A   Mill Jonathan J  

Molecular autism 20140323 1


<h4>Background</h4>Advanced paternal age is robustly associated with several human neuropsychiatric disorders, particularly autism. The precise mechanism(s) mediating the paternal age effect are not known, but they are thought to involve the accumulation of de novo (epi)genomic alterations. In this study we investigate differences in the frontal cortex transcriptome in a mouse model of advanced paternal age.<h4>Findings</h4>Transcriptomic profiling was undertaken for medial prefrontal cortex tis  ...[more]

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