Künzel, R.* ; Faust, H.* ; Bundalian, L.* ; Blüher, M. ; Jasaszwili, M.* ; Kirstein, A.S.* ; Kobelt, A.* ; Körner, A. ; Popp, D.* ; Wenzel, E. ; Jamra, R.A.* ; Lemke, J.R.* ; Schöneberg, T.* ; Stein, R. ; Garten, A.* ; Le Duc, D.*
Detecting monogenic obesity: A systematic exome-wide workup of over 500 individuals.
Int. J. Obes. 49, 1400-1411 (2025)
BACKGROUND/OBJECTIVES: Obesity poses a major public health concern. Although BMI heritability is estimated at 40-80%, genetic diagnostics remain challenging. This study aims to (i) assess the diagnostic yield of monogenic obesity in a large patient sample using exome-wide data, (ii) identify predictors to improve genetic testing criteria, and (iii) evaluate whether the identified genes are included in public obesity gene panels. SUBJECTS/METHODS: We reviewed the genetic test results of 521 patients with obesity. 84.7% underwent whole-exome analysis, 15.3% were analyzed using a multi-thousand-gene panel. RESULTS: Monogenic obesity was diagnosed in 5.8% of patients, while 7.1% carried a potentially obesogenic variant. Diagnostic yield was higher in children (6.3%) and patients with syndromic obesity (7.0%). Surprisingly, diagnostic yield was lower in severe obesity cases. 40% of patients with monogenic obesity carried variants in genes not included in current obesity panels. CONCLUSION: Overall, 12.9% of patients had monogenic obesity or a potentially obesogenic variant. These findings suggest that genetic testing should not be limited to patients with extreme obesity. Current obesity panels miss crucial syndromic genes, demonstrating a need for more comprehensive panels and the superiority of whole-exome sequencing in obesity.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Variants; Association; Overweight; Genetics; Children; 16p11.2; Weight; Energy; Sh2b1; Mc4r
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2025
Prepublished im Jahr
0
HGF-Berichtsjahr
2025
ISSN (print) / ISBN
0307-0565
e-ISSN
1476-5497
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 49,
Heft: 7,
Seiten: 1400-1411
Artikelnummer: ,
Supplement: ,
Reihe
Verlag
Nature Publishing Group
Verlagsort
Campus, 4 Crinan St, London, N1 9xw, England
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0000-00-00
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0000-00-00
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0000-00-00
Anmelder/Inhaber
weitere Inhaber
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Priorität
Begutachtungsstatus
Peer reviewed
Institut(e)
Helmholtz Institute for Metabolism, Obesity and Vascular Research (HI-MAG)
POF Topic(s)
30201 - Metabolic Health
Forschungsfeld(er)
Helmholtz Diabetes Center
PSP-Element(e)
G-506501-001
G-506503-001
Förderungen
Projekt DEAL
German Research Foundation (DFG)
Copyright
Erfassungsdatum
2025-07-11