Confirmation and refinement of an at risk cluster halotype for schizophrenia suggests the EST cluster Hs 977362 as a potential susceptibility gene in the neuregulib-1 locus

A. P. Corvin, D. W. Morris, K. McGhee, S. Schwaiger, P. Scully, J. Quinn, D. Meagner, David Malcolm St Clair, J. Waddington, M. Gill

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Abstract

Two recent association studies have implicated the neuregulin-1 gene (NRG1) at chromosome 8p21 - 22 as a susceptibility gene for schizophrenia. Stefansson et al identified three 'at-risk' haplotypes (HapA, B and C) which spanned the NRG1 locus and shared a common core haplotype. Subsequently, they demonstrated evidence that the core haplotype was associated with schizophrenia in an independent Scottish sample. To confirm and refine this haplotype we investigated the NRG1 locus in an independent Irish case - control sample. We did not find the core haplotype to be associated in our sample. However, we identified a refined 2-marker haplotype (HapB(IRE)) that shared common alleles with one of the Icelandic 'at-risk' haplotypes and is in significant excess in the Irish cases (19.4%) vs controls (12.3%) ( P = 0.013). This refined 'at-risk' haplotype is also in significant excess in the Scottish case sample (17.0% vs 13.5%; P = 0.036). Interestingly, this refined 'at-risk' haplotype is positioned close to an EST cluster of unknown function (Hs. 97362) within intron 1 of NRG1.

Original languageEnglish
Pages (from-to)208-213
Number of pages5
JournalMolecular Psychiatry
Volume9
DOIs
Publication statusPublished - 2004

Keywords

  • schizophrenia
  • neuregulin-1
  • risk haplotype
  • association
  • linkage disequilibrium
  • LINKAGE
  • 13Q32

Cite this

Confirmation and refinement of an at risk cluster halotype for schizophrenia suggests the EST cluster Hs 977362 as a potential susceptibility gene in the neuregulib-1 locus. / Corvin, A. P.; Morris, D. W.; McGhee, K.; Schwaiger, S.; Scully, P.; Quinn, J.; Meagner, D.; St Clair, David Malcolm; Waddington, J.; Gill, M.

In: Molecular Psychiatry, Vol. 9, 2004, p. 208-213.

Research output: Contribution to journalArticle

Corvin, A. P. ; Morris, D. W. ; McGhee, K. ; Schwaiger, S. ; Scully, P. ; Quinn, J. ; Meagner, D. ; St Clair, David Malcolm ; Waddington, J. ; Gill, M. / Confirmation and refinement of an at risk cluster halotype for schizophrenia suggests the EST cluster Hs 977362 as a potential susceptibility gene in the neuregulib-1 locus. In: Molecular Psychiatry. 2004 ; Vol. 9. pp. 208-213.
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abstract = "Two recent association studies have implicated the neuregulin-1 gene (NRG1) at chromosome 8p21 - 22 as a susceptibility gene for schizophrenia. Stefansson et al identified three 'at-risk' haplotypes (HapA, B and C) which spanned the NRG1 locus and shared a common core haplotype. Subsequently, they demonstrated evidence that the core haplotype was associated with schizophrenia in an independent Scottish sample. To confirm and refine this haplotype we investigated the NRG1 locus in an independent Irish case - control sample. We did not find the core haplotype to be associated in our sample. However, we identified a refined 2-marker haplotype (HapB(IRE)) that shared common alleles with one of the Icelandic 'at-risk' haplotypes and is in significant excess in the Irish cases (19.4{\%}) vs controls (12.3{\%}) ( P = 0.013). This refined 'at-risk' haplotype is also in significant excess in the Scottish case sample (17.0{\%} vs 13.5{\%}; P = 0.036). Interestingly, this refined 'at-risk' haplotype is positioned close to an EST cluster of unknown function (Hs. 97362) within intron 1 of NRG1.",
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