Ruqaya, Mohammad Saleh Soomro, Nazish Waris, Iftikhar Ahmed Siddiqui, Asher Fawwad, Abdul Basit.
Glucagon-like peptide 1 and its association with dipeptidyl peptidase IV in subjects with various degrees of glucose tolerance..
Pak J Pharm Sci Jan ;33(6):2773-8.

Dipeptidyl peptidase IV (DPP-4) and Glucagon like peptide 1 (GLP-1) has profound effect on insulin and glucagon secretion; ultimately decreasing glucose levels. We find out the association of GLP-1 levels and DPP-4 in normal, impaired and newly diagnose type 2 diabetic glucose tolerance. Prospective case control study was conducted at Department of Physiology, Baqai Medical University by the collaboration of Baqai Institute of Diabetology and Endocrinology; Karachi-Pakistan. Study groups were categorized into three groups Control, Impaired glucose tolerant (IGT) and newly diagnose type 2 diabetes mellitus (NDD). Biochemical parameters were estimated by international standard protocols. Logistic regression analysis and Chi square test with statistical significance at p value <0.05 were applied. DPP-4 concentrations were significantly lower in NDD participants compared to control and IGT participants (p=0.01), whereas GLP-1 levels were significantly higher in Control than Impaired glucose tolerant and NDD (p = 0.013). GLP1 levels and SBP were also found to be positively correlated with serum DPP4 levels in NDD group (p<0.05). GLP1 and DPP4 levels in NDD group (p<0.05) and in controls (p<0.001) respectively showed strong significant positive correlation. Effective correlation between GLP1 and DPP4 was found as both contribute to control hyperglycemia in NDD and impaired glucose tolerant people.

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