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  • Charney, A. W. (author)

Evidence for genetic heterogeneity between clinical subtypes of bipolar disorder

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017-01-10
  • Springer Science and Business Media LLC,2017

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  • LIBRIS-ID:oai:gup.ub.gu.se/252320
  • https://gup.ub.gu.se/publication/252320URI
  • https://doi.org/10.1038/tp.2016.242DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:135377163URI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • We performed a genome-wide association study of 6447 bipolar disorder (BD) cases and 12 639 controls from the International Cohort Collection for Bipolar Disorder (ICCBD). Meta-analysis was performed with prior results from the Psychiatric Genomics Consortium Bipolar Disorder Working Group for a combined sample of 13 902 cases and 19 279 controls. We identified eight genome-wide significant, associated regions, including a novel associated region on chromosome 10 (rs10884920; P = 3.28 x 10(-8)) that includes the brain-enriched cytoskeleton protein adducin 3 (ADD3), a non-coding RNA, and a neuropeptide-specific aminopeptidase P (XPNPEP1). Our large sample size allowed us to test the heritability and genetic correlation of BD subtypes and investigate their genetic overlap with schizophrenia and major depressive disorder. We found a significant difference in heritability of the two most common forms of BD (BD I SNP-h(2) = 0.35; BD II SNP-h(2) = 0.25; P = 0.02). The genetic correlation between BD I and BD II was 0.78, whereas the genetic correlation was 0.97 when BD cohorts containing both types were compared. In addition, we demonstrated a significantly greater load of polygenic risk alleles for schizophrenia and BD in patients with BD I compared with patients with BD II, and a greater load of schizophrenia risk alleles in patients with the bipolar type of schizoaffective disorder compared with patients with either BD I or BD II. These results point to a partial difference in the genetic architecture of BD subtypes as currently defined.

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  • Ruderfer, D. M. (author)
  • Stahl, E. A. (author)
  • Moran, J. L.Karolinska Institutet (author)
  • Chambert, K. (author)
  • Belliveau, R. A. (author)
  • Forty, L. (author)
  • Gordon-Smith, K. (author)
  • Di Florio, A. (author)
  • Lee, P. H. (author)
  • Bromet, E. J. (author)
  • Buckley, P. F. (author)
  • Escamilla, M. A. (author)
  • Fanous, A. H. (author)
  • Fochtmann, L. J. (author)
  • Lehrer, D. S. (author)
  • Malaspina, D. (author)
  • Marder, S. R.Karolinska Institutet (author)
  • Morley, C. P. (author)
  • Nicolini, H. (author)
  • Perkins, D. O. (author)
  • Rakofsky, J. J. (author)
  • Rapaport, M. H. (author)
  • Medeiros, H.Karolinska Institutet (author)
  • Sobell, J. L. (author)
  • Green, E. K. (author)
  • Backlund, L.Karolinska Institutet (author)
  • Bergen, S. E.Karolinska Institutet (author)
  • Jureus, A.Karolinska Institutet (author)
  • Schalling, M. (author)
  • Lichtenstein, P.Karolinska Institutet (author)
  • Roussos, P. (author)
  • Knowles, J. A. (author)
  • Jones, I. (author)
  • Jones, L. A. (author)
  • Hultman, C. M. (author)
  • Perlis, R. H. (author)
  • Purcell, S. M. (author)
  • McCarroll, S. A. (author)
  • Pato, C. N. (author)
  • Pato, M. T. (author)
  • Craddock, N. (author)
  • Landén, Mikael,1966Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology(Swepub:gu)xlandt (author)
  • Smoller, J. W. (author)
  • Sklar, P. (author)
  • Karolinska InstitutetInstitutionen för neurovetenskap och fysiologi (creator_code:org_t)

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  • In:Translational Psychiatry: Springer Science and Business Media LLC7:12158-3188

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