Analysis of 10 independent samples provides evidence for association between schizophrenia and a SNP flanking fibroblast growth factor receptor 2

M. C. O'Donovan, N. Norton, H. Williams, T. Peirce, V. Moskvina, I. Nikolov, M. Hamshere, L. Carroll, L. Georgieva, S. Dwyer, P. Holmans, J. L. Marchini, C. C.A. Spencer, B. Howie, H. T. Leung, I. Giegling, A. M. Hartmann, H. J. Möller, D. W. Morris, Y. ShiG. Feng, P. Hoffmann, P. Propping, C. Vasilescu, W. Maier, M. Rietschel, S. Zammit, J. Schumacher, E. M. Quinn, T. G. Schulze, N. Iwata, M. Ikeda, A. Darvasi, S. Shifman, L. He, J. Duan, A. R. Sanders, D. F. Levinson, R. Adolfsson, U. Ösby, L. Terenius, E. G. Jönsson, S. Cichon, M. M. Nöthen, M. Gill, A. P. Corvin, D. Rujescu, P. V. Gejman, G. Kirov, N. Craddock, N. M. Williams, M. J. Owen, P. V. Gejman, A. R. Sanders, J. Duan, D. F. Levinson, N. G. Buccola, B. J. Mowry, R. Freedman, F. Amin, D. W. Black, J. M. Silverman, W. J. Byerley, C. R. Cloninger

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Abstract

We and others have previously reported linkage to schizophrenia on chromosome 10q25-q26 but, to date, a susceptibility gene in the region has not been identified. We examined data from 3606 single-nucleotide polymorphisms (SNPs) mapping to 10q25-q26 that had been typed in a genome-wide association study (GWAS) of schizophrenia (479 UK cases/2937 controls). SNPs with P<0.01 (n=40) were genotyped in an additional 163 UK cases and those markers that remained nominally significant at P<0.01 (n=22) were genotyped in replication samples from Ireland, Germany and Bulgaria consisting of a total of 1664 cases with schizophrenia and 3541 controls. Only one SNP, rs17101921, was nominally significant after meta-analyses across the replication samples and this was genotyped in an additional six samples from the United States/Australia, Germany, China, Japan, Israel and Sweden (n=5142 cases/6561 controls). Across all replication samples, the allele at rs17101921 that was associated in the GWAS showed evidence for association independent of the original data (OR 1.17 (95% CI 1.06-1.29), P=0.0009). The SNP maps 85 kb from the nearest gene encoding fibroblast growth factor receptor 2 (FGFR2) making this a potential susceptibility gene for schizophrenia.

Original languageEnglish
Pages (from-to)30-36
Number of pages7
JournalMolecular Psychiatry
Volume14
Issue number1
DOIs
Publication statusPublished - 25-01-2009

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

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