Copy number variations in “classical” obesity candidate genes are not frequently associated with severe early-onset obesity in children

Author:

Windholz Jan,Kovacs Peter,Schlicke Marina,Franke Christin,Mahajan Anubha,Morris Andrew P.,Lemke Johannes R.,Klammt Jürgen,Kiess Wieland,Schöneberg Torsten,Pfäffle Roland,Körner Antje

Abstract

AbstractBackground:Obesity is genetically heterogeneous and highly heritable, although polymorphisms explain the phenotype in only a small proportion of obese children. We investigated the presence of copy number variations (CNVs) in “classical” genes known to be associated with (monogenic) early-onset obesity in children.Methods:In 194 obese Caucasian children selected for early-onset and severe obesity from our obesity cohort we screened for deletions and/or duplications by multiplex ligation-dependent probe amplification reaction (MLPA). As we found one MLPA probe to interfere with a polymorphism inResults:In the selected subset of most severely obese children, we did not find CNV withConclusions:In our modest sample of severely obese children, we were unable to find CNVs in well-established monogenic obesity genes. Nevertheless, we found an association of rs3734354 in

Publisher

Walter de Gruyter GmbH

Subject

Endocrinology,Endocrinology, Diabetes and Metabolism,Pediatrics, Perinatology, and Child Health

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