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Genome-wide association-, replication-, and neuroimaging study implicates HOMER1 in the etiology of major depression.
Biol. Psychiatry 68, 589-601 (2010)
BACKGROUND: Genome-wide association studies are a powerful tool for unravelling the genetic background of complex disorders such as major depression. METHODS: We conducted a genome-wide association study of 604 patients with major depression and 1364 population based control subjects. The top hundred findings were followed up in a replication sample of 409 patients and 541 control subjects. RESULTS: Two SNPs showed nominally significant association in both the genome-wide association study and the replication samples: 1) rs9943849 (p(combined) = 3.24E-6) located upstream of the carboxypeptidase M (CPM) gene and 2) rs7713917 (p(combined) = 1.48E-6), located in a putative regulatory region of HOMER1. Further evidence for HOMER1 was obtained through gene-wide analysis while conditioning on the genotypes of rs7713917 (p(combined) = 4.12E-3). Homer1 knockout mice display behavioral traits that are paradigmatic of depression, and transcriptional variants of Homer1 result in the dysregulation of cortical-limbic circuitry. This is consistent with the findings of our subsequent human imaging genetics study, which revealed that variation in single nucleotide polymorphism rs7713917 had a significant influence on prefrontal activity during executive cognition and anticipation of reward. CONCLUSION: Our findings, combined with evidence from preclinical and animal studies, suggest that HOMER1 plays a role in the etiology of major depression and that the genetic variation affects depression via the dysregulation of cognitive and motivational processes.
Impact Factor
Scopus SNIP
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Times Cited
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8.926
3.200
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Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Carboxypeptidase M; CPM; gene-wide; HOMER1; major depression; neuroimaging; MACROPHAGE MATURATION; FRONTAL-CORTEX; SCHIZOPHRENIA; DISORDER; HERITABILITY; DYSFUNCTION; PARADIGM; GENETICS; DISEASE; LINKAGE
Sprache
englisch
Veröffentlichungsjahr
2010
HGF-Berichtsjahr
2010
ISSN (print) / ISBN
0006-3223
e-ISSN
1873-2402
Zeitschrift
Biological Psychiatry
Quellenangaben
Band: 68,
Heft: 6,
Seiten: 589-601
Verlag
Elsevier
Verlagsort
New York, NY
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Epidemiology (EPI)
PSP-Element(e)
G-503900-005
PubMed ID
20673876
Scopus ID
77956179787
Erfassungsdatum
2010-12-31