Cited by 2Genetic Associations and EpidemiologyRegulation of Appetite and ObesityGenetic Mapping and Diversity in Plants and Animals

Characterization of prevalent genetic variants in the Estonian Biobank body-mass index GWAS

Open access
Abner, Erik, Batool, Kanwal, Taba, Nele, Nikopensius, Tiit, Läll, Kristi, Alekseienko, Anastasiia, Eriksson, Anders, Rämö, Joel +18 more·2025·Nature Communications

Published version of a preprint

Abstract

Population-specific genome-wide association studies can reveal high-impact genomic variants that influence traits like body-mass index (BMI). Using the Estonian Biobank BMI dataset (n = 204,747 participants) we identified 214 genome-wide significant loci. Among those hits, we identified a common non-coding variant within the newly associated ADGRL3 gene (−0.18 kg/m²; P = 3.21 × 10⁻⁹). Moreover, the missense rare variant PTPRT :p.Arg1384His associated with lower BMI (−0.44 kg/m²; P = 2.51 × 10⁻¹⁰), while the protein-truncating variant POMC :p.Glu206* was associated with considerably higher BMI (+ 0.81 kg/m²; P = 1.48 × 10 −12 ), both likely affecting the functioning of the leptin-melanocortin pathway. POMC :p.Glu206* was observed in different North-European populations, suggesting a broader, yet elusive, distribution of this damaging variant. These observations indicate the previously unrecognized roles of the ADGRL3 and PTPRT genes in body weight regulation and suggest an increased prevalence of the POMC :p.Glu206* variant in European populations, offering avenues for developing interventions in obesity management.

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Authors
Abner, E., Batool, K., Taba, N., Nikopensius, T., Läll, K., Alekseienko, A., Eriksson, A., Rämö, J., Haapaniemi, H., Kariis, H. M., Haljasmägi, L., Võsa, U., Tillmann, T., Vainik, U., Lehto, K., Ollila, H. M., Kisand, K., Estonian Biobank Research Team, Metspalu, A., Metspalu, M., Milani, L., Mägi, R., Esko, T., Nelis, M., Hudjashov, G., & Esko, T.
Affiliations
  • University of Tartu (EE)
  • Metrosert (EE)
  • University of Helsinki (FI)
  • McGill University (CA)
Corresponding author
  • Abner, Erik
  • Batool, Kanwal
Venue
Nature Communications
Published
2025-10-08
Volume
16
Issue
1
Pages
8956-8956
ISSN
2041-1723 (ISSN-L)
OpenAlex
W4414932949
Cited by
2
References
8
Citations by year
2026: 2
FWCI
1.18
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Research Square (acceptedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Työväentutkimus Vuosikirja (submittedVersion)
Funders
  • Eesti Teadusagentuur (PRG1291, PRG1414, PRG1911, PSG615, PRG1117, PSG809)
  • EC | Horizon 2020 Framework Programme (101137154, 101137201, 101060011, 101080117, 810645, 101117251)
  • EC | European Regional Development Fund (MOBEC008)
  • Ministry of Education and Research | Estonian Research Competency Council (TK218)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
body mass index, obesity genetics, Estonian Biobank, ADGRL3, PTPRT, proopiomelanocortin, missense mutations, truncating mutations, non-coding variants, leptin-melanocortin pathway, body weight regulation, rare variants, European populations
MeSH terms
Adult, Aged, Estonia, Female, Humans, Male, Middle Aged, Obesity, Pro-Opiomelanocortin, Genetic Variation, Body Mass Index, Biological Specimen Banks, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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