No evidence for association between polymorphisms in GRM3 and schizophrenia

Nadine Norton, Hywel Williams, Sarah Dwyer, Dobril Ivanov, Anna Preece, Amy Gerrish, Nigel Melville Williams, P. Yerassimou, Stanley Zammit, Michael Conlon O'Donovan, Michael John Owen

Research output: Contribution to journalArticle (Academic Journal)peer-review

43 Citations (Scopus)
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Abstract

BACKGROUND: Three studies have previously reported data that were interpreted by the authors as supportive of association between schizophrenia and polymorphisms in the gene encoding the metabotropic glutamate receptor GRM3. METHODS: In a bid to examine this hypothesis, we examined seven SNPs spanning GRM3 in a UK case-control sample (schizophrenic cases n = 674, controls n = 716). These included all SNPs previously reported to be associated, alone or in haplotypes, with schizophrenia in European or European American samples. RESULTS: Our data showed no evidence for association with single markers, or 2, 3, 4 and 5 marker haplotypes, nor did any specific haplotypes show evidence for association according to previously observed patterns. CONCLUSION: Examination of our own data and those of other groups leads us to conclude that at present, GRM3 should not be viewed as a gene for which there is replicated evidence for association with schizophrenia.
Original languageEnglish
Article number23
Number of pages6
JournalBMC Psychiatry
Volume5
Issue number23
DOIs
Publication statusPublished - 13 May 2005

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