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Gene–Nutrient Interactions in Obesity: ICOBLL1/I Genetic Variants Interact with Dietary Fat Intake to Modulate the Incidence of Obesity

International journal of molecular sciences, 2023-02, Vol.24 (4) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 1422-0067 ;EISSN: 1422-0067 ;DOI: 10.3390/ijms24043758

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  • Title:
    Gene–Nutrient Interactions in Obesity: ICOBLL1/I Genetic Variants Interact with Dietary Fat Intake to Modulate the Incidence of Obesity
  • Author: Kwak, Junkyung ; Shin, Dayeon
  • Subjects: Analysis ; Dietary fat ; Genetic aspects ; Obesity ; Type 2 diabetes
  • Is Part Of: International journal of molecular sciences, 2023-02, Vol.24 (4)
  • Description: The COBLL1 gene is associated with leptin, a hormone important for appetite and weight maintenance. Dietary fat is a significant factor in obesity. This study aimed to determine the association between COBLL1 gene, dietary fat, and incidence of obesity. Data from the Korean Genome and Epidemiology Study were used, and 3055 Korean adults aged ≥ 40 years were included. Obesity was defined as a body mass index ≥ 25 kg/m[sup.2]. Patients with obesity at baseline were excluded. The effects of the COBLL1 rs6717858 genotypes and dietary fat on incidence of obesity were evaluated using multivariable Cox proportional hazard models. During an average follow-up period of 9.2 years, 627 obesity cases were documented. In men, the hazard ratio (HR) for obesity was higher in CT, CC carriers (minor allele carriers) in the highest tertile of dietary fat intake than for men with TT carriers in the lowest tertile of dietary fat intake (Model 1: HR: 1.66, 95% confidence interval [CI]: 1.07-2.58; Model 2: HR: 1.63, 95% CI: 1.04-2.56). In women, the HR for obesity was higher in TT carriers in the highest tertile of dietary fat intake than for women with TT carriers in the lowest tertile of dietary fat intake (Model 1: HR: 1.49, 95% CI: 1.08-2.06; Model 2: HR: 1.53, 95% CI: 1.10-2.13). COBLL1 genetic variants and dietary fat intake had different sex-dependent effects in obesity. These results imply that a low-fat diet may protect against the effects of COBLL1 genetic variants on future obesity risk.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 1422-0067
    EISSN: 1422-0067
    DOI: 10.3390/ijms24043758
  • Source: PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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