Background: This study aimed to evaluate the role of serum Glucagon-Like Peptide-1 (GLP-1), Glucagon-Like Peptide-2 (GLP-2), and Glucose-Dependent Insulinotropic Polypeptide (GIP) levels in relation to obesity and gestational diabetes mellitus (GDM) in pregnancy.
Methods: A case-control study was conducted, including 96 pregnant women with singleton pregnancies who underwent the Oral Glucose Tolerance Test (OGTT) for GDM diagnosis during the 24th-28th weeks of gestation. Blood samples were collected for measuring GLP-1, GLP-2, GIP, and fasting glucose. Statistical analyses included receiver operating characteristic (ROC) curves and correlation analysis.
Results: Among the 96 women, no significant difference in age was observed between the groups, but Body Mass Index (BMI) was significantly higher in GDM-O (Gestational Diabetes Mellitus-Obese) and non-GDM-O groups (p < 0.001). GLP-1 had an area under the curve (AUC) of 0.666 (95% CI: 0.553-0.778, p = 0.005) for diagnosing GDM. The optimal GLP-1 cutoff was 815.86 ng/mL, with 65% sensitivity and 77% specificity. A significant correlation was found between GLP-2 and GIP (r = 0.289, p = 0.004), but no significant correlations were observed between GLP-1 and other peptides or gestational age (p > 0.05).
Conclusions: Impaired secretion of GLP-1, GLP-2, and GIP likely contributes to the pathogenesis of GDM. GLP-1 may serve as a potential biomarker for diagnosing GDM.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11487933 | PMC |
http://dx.doi.org/10.1186/s13098-024-01483-w | DOI Listing |
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