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Cited by 246

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Genome-wide significant associations in schizophrenia to ITIH3/4, CACNA1C and SDCCAG8, and extensive replication of associations reported by the Schizophrenia PGC

Open access
Hamshere, M L, Walters, J T R, Smith, R, Richards, A L, Green, E, Grozeva, D, Jones, I, Forty, L, Jones, L, Gordon-Smith, K, Riley, B, O'Neill, T, Kendler, K S, Sklar, P, Purcell, S, Kranz, J, The Schizophrenia Psychiatric Genome-wide Association Study Consortium (PGC), Wellcome Trust Case Control Consortium+ (WTCCC+), Wellcome Trust Case Control Consortium 2 (WTCCC2), Morris, D, Gill, M, Holmans, P, Craddock, N, Corvin, A, Owen, M J, O'Donovan, M C·2013·Molecular Psychiatry

Abstract

The Schizophrenia Psychiatric Genome-Wide Association Study Consortium (PGC) highlighted 81 single-nucleotide polymorphisms (SNPs) with moderate evidence for association to schizophrenia. After follow-up in independent samples, seven loci attained genome-wide significance (GWS), but multi-locus tests suggested some SNPs that did not do so represented true associations. We tested 78 of the 81 SNPs in 2640 individuals with a clinical diagnosis of schizophrenia attending a clozapine clinic (CLOZUK), 2504 cases with a research diagnosis of bipolar disorder, and 2878 controls. In CLOZUK, we obtained significant replication to the PGC-associated allele for no fewer than 37 (47%) of the SNPs, including many prior GWS major histocompatibility complex (MHC) SNPs as well as 3/6 non-MHC SNPs for which we had data that were reported as GWS by the PGC. After combining the new schizophrenia data with those of the PGC, variants at three loci (ITIH3/4, CACNA1C and SDCCAG8) that had not previously been GWS in schizophrenia attained that level of support. In bipolar disorder, we also obtained significant evidence for association for 21% of the alleles that had been associated with schizophrenia in the PGC. Our study independently confirms association to three loci previously reported to be GWS in schizophrenia, and identifies the first GWS evidence in schizophrenia for a further three loci. Given the number of independent replications and the power of our sample, we estimate 98% (confidence interval (CI) 78–100%) of the original set of 78 SNPs represent true associations. We also provide strong evidence for overlap in genetic risk between schizophrenia and bipolar disorder.

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Metadata

Authors
Hamshere, M. L., Walters, J. T. R., Smith, R., Richards, A. L., Green, E., Grozeva, D., Jones, I., Forty, L., Jones, L., Gordon-Smith, K., Riley, B., O'Neill, T., Kendler, K. S., Sklar, P., Purcell, S., Kranz, J., The Schizophrenia Psychiatric Genome-wide Association Study Consortium (PGC), W. T. C. C. C. (., Morris, D., Gill, M., Holmans, P., Craddock, N., Corvin, A., Owen, M. J., & O'Donovan, M. C.
Venue
Molecular Psychiatry
Published
2012-05-22
Volume
18
Issue
6
Pages
708-712
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W2149101657
Cited by
246
References
8
FWCI
19.47
Type
journal article
Language
en
Open access
green

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