Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/7267
Title: HDL levels modulate the impact of type 2 diabetes susceptibility alleles in older adults
Authors: Sullivan, Siobhán O '
Al Hageh, Cynthia
Henschel, Andreas
Chacar, Stephanie
Abchee, Antoine
Zalloua, Pierre
Nader, Moni
Affiliations: Faculty of Medicine 
Faculty of Medicine 
Keywords: Diabetes risk
Genetic variants
HDL
Older age groups
Issue Date: 2024-02-22
Publisher: National Library of Medicine
Part of: Lipids in Health and Disease
Volume: 23
Issue: 1
Abstract: 
Background
Type 2 Diabetes (T2D) is influenced by genetic, environmental, and ageing factors. Ageing pathways exacerbate metabolic diseases. This study aimed to examine both clinical and genetic factors of T2D in older adults.

Methods
A total of 2,909 genotyped patients were enrolled in this study. Genome Wide Association Study was conducted, comparing T2D patients to non-diabetic older adults aged ≥ 60, ≥ 65, or ≥ 70 years, respectively. Binomial logistic regressions were applied to examine the association between T2D and various risk factors. Stepwise logistic regression was conducted to explore the impact of low HDL (HDL < 40 mg/dl) on the relationship between the genetic variants and T2D. A further validation step using data from the UK Biobank with 53,779 subjects was performed.

Results
The association of T2D with both low HDL and family history of T2D increased with the age of control groups. T2D susceptibility variants (rs7756992, rs4712523 and rs10946403) were associated with T2D, more significantly with increased age of the control group. These variants had stronger effects on T2D risk when combined with low HDL cholesterol levels, especially in older control groups.

Conclusions
The findings highlight a critical role of age, genetic predisposition, and HDL levels in T2D risk. The findings suggest that individuals over 70 years who have high HDL levels without the T2D susceptibility alleles may be at the lowest risk of developing T2D. These insights can inform tailored preventive strategies for older adults, enhancing personalized T2D risk assessments and interventions.
URI: https://scholarhub.balamand.edu.lb/handle/uob/7267
DOI: 10.1186/s12944-024-02039-7
Open URL: Link to full text
Type: Journal Article
Appears in Collections:Faculty of Medicine

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