Journal article
Prioritization and association analysis of murine-derived candidate genes in anxiety-spectrum disorders.
- Abstract:
- BACKGROUND: Anxiety disorders are common psychiatric conditions that are highly comorbid with each other and related phenotypes such as depression, likely due to a shared genetic basis. Fear-related behaviors in mice have long been investigated as potential models of anxiety disorders, making integration of information from both murine and human genetic data a powerful strategy for identifying potential susceptibility genes for these conditions. METHODS: We combined genome-wide association analysis of fear-related behaviors with strain distribution pattern analysis in heterogeneous stock mice to identify a preliminary list of 52 novel candidate genes. We ranked these according to three complementary sources of prior anxiety-related genetic data: 1) extant linkage and knockout studies in mice, 2) a meta-analysis of human linkage scans, and 3) a preliminary human genome-wide association study. We genotyped tagging single nucleotide polymorphisms covering the nine top-ranked regions in a two-stage association study of 1316 subjects from the Virginia Adult Twin Study of Psychiatric and Substance Use Disorders chosen for high or low genetic loading for anxiety-spectrum phenotypes (anxiety disorders, neuroticism, and major depression). RESULTS: Multiple single nucleotide polymorphisms in the PPARGC1A gene demonstrated association in both stages that survived gene-wise correction for multiple testing. CONCLUSIONS: Integration of genetic data across human and murine studies suggests PPARGC1A as a potential susceptibility gene for anxiety-related disorders.
- Publication status:
- Published
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Authors
- Journal:
- Biological psychiatry More from this journal
- Volume:
- 70
- Issue:
- 9
- Pages:
- 888-896
- Publication date:
- 2011-11-01
- DOI:
- EISSN:
-
1873-2402
- ISSN:
-
0006-3223
- Language:
-
English
- Keywords:
-
- Pubs id:
-
pubs:220456
- UUID:
-
uuid:4ef29f7c-7694-466d-9319-8961ea1f8c8a
- Local pid:
-
pubs:220456
- Source identifiers:
-
220456
- Deposit date:
-
2012-12-19
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- Copyright date:
- 2011
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