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To demonstrate the protective effect of glucagon-like peptide 1 (GLP-1) signaling on the cardiovascular system, we conducted this study to show that the GLP-1 receptor analog (lixisenatide) could inhibit abdominal aortic aneurysm (AAA) development in rats. Lixisenatide was injected subcutaneously 7 days after aneurysm preparation. We evaluated reactive(More)
Inflammation may contribute to upper airway pathophysiology in obstructive sleep apnoea (OSA). Our objective was to compare upper airway pro-inflammatory cytokine expression, oxidative stress and connective tissue deposition in severe (n = 25) versus mild (n = 17) OSA patients. Upper airway surgical specimens were separated by predominance of either mucosal(More)
OBJECTIVE Abdominal aortic aneurysms (AAAs) are associated with oxidative stress and inflammatory response. We investigated the hypothesis that the known antioxidant ascorbic acid, which can also promote elastin and collagen production by smooth muscle cells, would prevent AAA formation in a rat model. METHODS An intraluminal elastase and extraluminal(More)
OBJECTIVE The aims of this study were to elucidate the association between plasma intestinal fatty acid-binding protein (I-FABP) level and actual pathological damage of intestinal mucosa and its reversibility. METHODS An intestinal ischemia-reperfusion model was created by temporary occlusion of the descending aorta in 9 pigs which were divided into 3(More)
OBJECTIVE Dipeptidyl peptidase-4 (DPP-4) inhibitor, a novel antidiabetic drug, has a cardioprotective effect on ischemia-reperfusion injury through an antioxidant effect. However, the effect of DPP-4 inhibitor on aneurysm formation has not been investigated. We aimed to test the hypothesis that the DPP-4 inhibitor, alogliptin, attenuates vascular oxidative(More)
OBJECTIVE Vitamin B2 (riboflavin) reportedly has an antioxidant effect through superoxide dismutase (SOD) activation. However, the effect of riboflavin on abdominal aortic aneurysm (AAA) has never been investigated. In the present study, we examined the hypothesis that riboflavin has a protective effect on AAA formation in an experimental rat model. (More)
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