Evidence map›Paper›PMID 42663265›Full record

ArticleObesity (Silver Spring, Md.)2026

Beyond BMI: Genome-Wide Associations of Visceral Fat, Fat Mass, and Fat-Free Mass in Eastern Asian Populations.

Hsin-Ming Lu, Shun-Jen Chang, Kuei-Hau Luo, Yun-Shiuan Chuang, Fu-Wen Liang, Hung-Yi Chuang

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Article in Obesity (Silver Spring, Md.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Hsin-Ming LuDepartment of Community Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
Shun-Jen ChangDepartment of Kinesiology, Health and Leisure Studies, National University of Kaohsiung, Kaohsiung, Taiwan.
Kuei-Hau LuoDepartment of Community Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
Yun-Shiuan ChuangDepartment of Community Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
Fu-Wen LiangDepartment of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan.ORCID https://orcid.org/0000-0002-3396-037X
Hung-Yi ChuangDepartment of Community Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.ORCID https://orcid.org/0000-0002-8321-8720

Funding

Center of Excellence for Environmental Medicine, Kaohsiung Medical University KMU-TC114A01Kaohsiung Medical University Hospital KMUH114-4R85National Science and Technology Council NSTC 114-2314-B-037-060
6 · The paper itself

Abstract

objectiveBMI is widely used to define obesity and may not capture heterogeneity in body fat distribution. Genetic studies of obesity have largely focused on BMI but not visceral fat and fat-free mass, which is particularly limited in East Asian populations. This study aimed to explore the genetic associations among body composition traits.

methodsWe conducted genome-wide association studies (GWAS) of fat composition traits, including visceral fat, fat mass, and fat-free mass, in 14,121 adults from a population-based biobank. Bioelectrical impedance analysis was used for standardized body composition. GWAS were performed, followed by multinomial logistic regressions for associations across phenotype strata, adjusting for BMI and confounders.

resultsGWAS identified multiple SNPs significantly associated with visceral fat, fat mass, and fat-free mass. A variant within the TTN-rs794727539 was inversely associated with visceral fat and positively associated with fat-free mass, independent of BMI. Additional loci showed trait-specific associations, while many fat-mass-associated variants were attenuated after BMI adjustment, highlighting different genetic regulation of fat distribution.

conclusionsWe found that visceral fat, fat mass, and fat-free mass were governed by partially distinct genetic mechanisms not fully captured by BMI. These results underscore the importance of incorporating fat composition phenotypes into genetic studies in East Asian populations.

Indexed as

Body CompositionBody Mass IndexGenome-Wide Association StudyIntra-Abdominal FatObesityAdiposityAdultAgedEast Asian PeopleElectric ImpedanceFemaleHumansMaleMiddle AgedPhenotypePolymorphism, Single Nucleotidefat compositionFTO genegenome‐wide association study (GWAS)SUSD4 geneTTN gene

Identifiers

PMID42663265
PMCPMC13615424

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.