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Changes in Dipeptidyl peptidase-4 (DPP-4) enzyme activity (expressed in microunits/mL) and Glucagon-like peptide 1 (GLP-1; expressed in ng/mL) in the heart tissues of Sitagliptin (Sitg 50 mg) treated animal groups. Data are represented as (Mean ± SEM); (n = 4–10 animals/group). Statistical significance: * p < 0.05 compared to the Control group.
