Key result
Sitagliptin protected endothelial function in hypertension by elevating UCP2 expression, scavenging mitochondrial ROS, and downregulating COX-2 expression via the GLP-1/GLP-1R/AMPKα cascade.
Why the study?
Does sitagliptin improve endothelial function and reduce oxidative stress in hypertension models via UCP2?
Population
Spontaneously hypertensive rats, Angiotensin II-infused C57BL/6 mice, UCP2 knockout mice, and human renal…
Comparison
Sitagliptin or exendin-4 vs Vehicle-treated controls, Wistar-Kyoto rats, and…
Design
Preclinical
Follow-up
2 weeks (for in vivo sitagliptin)
Authors
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Hypothesis-generating for UCP2 in sitagliptin endothelial effects; leaves open clinical translation in hypertension.
Does sitagliptin improve endothelial function and reduce oxidative stress in hypertension models via UCP2?
p-value: p=<0.05
Sitagliptin and GLP-1 analogs protect endothelial function in hypertension by upregulating UCP2, which scavenges mitochondrial ROS and downregulates COX-2 expression.
Liu et al. (2013) studied Hypertension. Sitagliptin vs. Vehicle was evaluated on Endothelium-dependent contractions (EDCs) and reactive oxygen species (ROS) production (p=<0.05). Sitagliptin protected endothelial function in hypertension by elevating UCP2 expression, scavenging mitochondrial ROS, and downregulating COX-2 expression via the GLP-1/GLP-1R/AMPKα cascade.
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