Article

Combinations of SNP genotypes from the Wellcome Trust Case Control Study of bipolar patients

Acta Neuropsychiatrica, Cambridge University Press (CUP), ISSN 1601-5215

Volume 30, 2, 2018

DOI:10.1017/neu.2017.36, Dimensions: pub.1099611321, PMID: 29208055,

Affiliations

Organisations

  1. (1) University of Copenhagen, grid.5254.6, KU
  2. (2) Psychiatric Centre Copenhagen, Copenhagen University Hospital, Copenhagen, Denmark
  3. (3) Technical University of Denmark, grid.5170.3, DTU

Countries

Denmark

Continents

Europe

Description

OBJECTIVES: Combinations of genetic variants are the basis for polygenic disorders. We examined combinations of SNP genotypes taken from the 446 729 SNPs in The Wellcome Trust Case Control Study of bipolar patients. METHODS: Parallel computing by graphics processing units, cloud computing, and data mining tools were used to scan The Wellcome Trust data set for combinations. RESULTS: Two clusters of combinations were significantly associated with bipolar disorder. One cluster contained 68 combinations, each of which included five SNP genotypes. Of the 1998 patients, 305 had combinations from this cluster in their genome, but none of the 1500 controls had any of these combinations in their genome. The other cluster contained six combinations, each of which included five SNP genotypes. Of the 1998 patients, 515 had combinations from the cluster in their genome, but none of the 1500 controls had any of these combinations in their genome. CONCLUSION: Clusters of combinations of genetic variants can be considered general risk factors for polygenic disorders, whereas accumulation of combinations from the clusters in the genome of a patient can be considered a personal risk factor.

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University of Copenhagen

Technical University of Denmark

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2018: Unused

Research area: Medicine

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2018: Level 1

Research area: Medicine

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