Novel Approach Identifies SNPs in SLC2A10 and KCNK9 with Evidence for Parent-of-Origin Effect on Body Mass Index.

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2014

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info:eu-repo/semantics/altIdentifier/doi/10.1371/journal.pgen.1004508

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info:eu-repo/semantics/altIdentifier/pmid/25078964

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info:eu-repo/semantics/altIdentifier/eissn/1553-7404

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info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_B24DBE741EAD2

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BMI (Body mass index)

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C.J. Hoggart et al., « Novel Approach Identifies SNPs in SLC2A10 and KCNK9 with Evidence for Parent-of-Origin Effect on Body Mass Index. », Serveur académique Lausannois, ID : 10.1371/journal.pgen.1004508


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The phenotypic effect of some single nucleotide polymorphisms (SNPs) depends on their parental origin. We present a novel approach to detect parent-of-origin effects (POEs) in genome-wide genotype data of unrelated individuals. The method exploits increased phenotypic variance in the heterozygous genotype group relative to the homozygous groups. We applied the method to >56,000 unrelated individuals to search for POEs influencing body mass index (BMI). Six lead SNPs were carried forward for replication in five family-based studies (of ∼4,000 trios). Two SNPs replicated: the paternal rs2471083-C allele (located near the imprinted KCNK9 gene) and the paternal rs3091869-T allele (located near the SLC2A10 gene) increased BMI equally (beta = 0.11 (SD), P

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