The transcriptome-wide association search for genes and genetic variants which associate with BMI and gestational weight gain in women with type 1 diabetes

Clinical data suggest that BMI and gestational weight gain (GWG) are strongly interconnected phenotypes; however, the genetic basis of the latter is rather unclear. Here we aim to find genes and genetic variants which influence BMI and/or GWG. We have genotyped 316 type 1 diabetics using Illumina In...

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Published in:Molecular medicine (Cambridge, Mass.) Mass.), 2021-01, Vol.27 (1), p.6-6, Article 6
Main Authors: Ludwig-Słomczyńska, Agnieszka H, Seweryn, Michał T, Kapusta, Przemysław, Pitera, Ewelina, Mantaj, Urszula, Cyganek, Katarzyna, Gutaj, Paweł, Dobrucka, Łucja, Wender-Ożegowska, Ewa, Małecki, Maciej T, Wołkow, Paweł P
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Language:eng
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BMI
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Summary:Clinical data suggest that BMI and gestational weight gain (GWG) are strongly interconnected phenotypes; however, the genetic basis of the latter is rather unclear. Here we aim to find genes and genetic variants which influence BMI and/or GWG. We have genotyped 316 type 1 diabetics using Illumina Infinium Omni Express Exome-8 v1.4 arrays. The GIANT, ARIC and T2D-GENES summary statistics were used for TWAS (performed with PrediXcan) in adipose tissue. Next, the analysis of association of imputed expression with BMI in the general and diabetic cohorts (Analysis 1 and 2) or GWG (Analysis 3 and 4) was performed, followed by variant association analysis (1 Mb around identified loci) with the mentioned phenotypes. In Analysis 1 we have found 175 BMI associated genes and 19 variants (p 
ISSN:1076-1551
1528-3658