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Abstract
The role of glucagon-like peptide-1 (GLP-1) in type 2 diabetes (T2D) and obesity is not fully understood.
Objective
We investigate the association of cardiometabolic, diet, and lifestyle parameters on fasting and postprandial GLP-1 in people at risk of, or living with, T2D.
Methods
We analyzed cross-sectional data from the two Innovative Medicines Initiative (IMI) Diabetes Research on Patient Stratification (DIRECT) cohorts, cohort 1 (n = 2127) individuals at risk of diabetes; cohort 2 (n = 789) individuals with new-onset T2D.
Results
Our multiple regression analysis reveals that fasting total GLP-1 is associated with an insulin-resistant phenotype and observe a strong independent relationship with male sex, increased adiposity, and liver fat, particularly in the prediabetes population. In contrast, we showed that incremental GLP-1 decreases with worsening glycemia, higher adiposity, liver fat, male sex, and reduced insulin sensitivity in the prediabetes cohort. Higher fasting total GLP-1 was associated with a low intake of wholegrain, fruit, and vegetables in people with prediabetes, and with a high intake of red meat and alcohol in people with diabetes.
Conclusion
These studies provide novel insights into the association between fasting and incremental GLP-1, metabolic traits of diabetes and obesity, and dietary intake, and raise intriguing questions regarding the relevance of fasting GLP-1 in the pathophysiology T2D.
Original language | English |
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Article number | dgae119 |
Pages (from-to) | e1697-e1707 |
Number of pages | 11 |
Journal | Journal of Clinical Endocrinology & Metabolism |
Volume | 109 |
Issue number | 9 |
Early online date | 30 Apr 2024 |
DOIs | |
Publication status | Published - 1 Sept 2024 |
Keywords
- Glp-1
- Cardiometabolic markers
- Diet
- Incretin
- Insulin resistance
- Liver fat
- Nutrition
- Obesity
- Prediabetes
- Type 2 diabetes
- cardiometabolic markers
- GLP-1
- incretin
- prediabetes
- nutrition
- type 2 diabetes
- liver fat
- diet
- insulin resistance
- obesity
ASJC Scopus subject areas
- Endocrinology, Diabetes and Metabolism
- Biochemistry
- Endocrinology
- Clinical Biochemistry
- Biochemistry, medical
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DIRECT: Diabetes Research on Patient Stratification (joint with 25 other partners)
Colhoun, H. (Investigator), Houston, G. (Investigator), Morris, A. (Investigator), Palmer, C. (Investigator) & Pearson, E. (Investigator)
COMMISSION OF THE EUROPEAN COMMUNITIES
1/02/12 → 28/02/27
Project: Research
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Stratified Medicine in Type 2 Diabetes: Insights from the Study of Drug Response (New Investigator Award)
Pearson, E. (Investigator)
16/02/15 → 15/08/21
Project: Research