Abstract
BACKGROUND: The incretin effect is impaired in patients with type 2 diabetes.
AIM: To assess the relation between the incretin hormone GLP-1 and the prediabetic subtypes: impaired fasting glucose (IFG), impaired glucose tolerance (IGT), and the combined IFG/IGT to investigate whether a low GLP-1 response may be a predictor of prediabetes in adults.
METHOD: 298 articles were found using a broad search phrase on the PubMed database and after the assessment of titles and abstracts 19 articles were included.
RESULTS AND DISCUSSION: Studies assessing i-IFG/IFG and i-IGT/IGT found both increased, unaltered, and reduced GLP-1 levels. Studies assessing IFG/IGT found unaltered or reduced GLP-1 levels. When assessing the five studies with the largest sample size, it clearly suggests a decreased GLP-1 response in IFG/IGT subjects. Several other factors (BMI, glucagon, age, and nonesterified fatty acids (NEFA)), including medications (metformin), may also influence the secretion of GLP-1.
CONCLUSION: This review suggests that the GLP-1 response is a variable in prediabetes possibly due to a varying GLP-1-secreting profile during the development and progression of type 2 diabetes or difference in the measurement technique. Longitudinal prospective studies are needed to assess whether a reduced GLP-1 response is a predictor of diabetes.
| Originalsprog | Engelsk |
|---|---|
| Artikelnummer | 7583506 |
| Tidsskrift | Journal of Diabetes Research |
| Vol/bind | 2017 |
| Antal sider | 13 |
| ISSN | 2314-6745 |
| DOI | |
| Status | Udgivet - 2017 |
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