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Tags: Connell Patrick J

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4-Hydroxynonenal dependent alteration of TRPV1-mediated coronary microvascular signaling.

We demonstrated previously that TRPV1-dependent regulation of coronary blood flow (CBF) is disrupted in diabetes. Further, we have shown that endothelial TRPV1 is differentially regulated, ultimately leading to the inactivation of TRPV1, when exposed…

Tags: *4-Hydroxynonenal, *Coronary regulation, *Lipid peroxidation, *Post-translational modification, *Protein Processing, *Reactive oxygen species, *Signal Transduction, *TRPV1, 2016, Action Potentials/drug effects, Aldehydes/antagonists & inhibitors/metabolism/*pharmacology, Animal, Animals, Blood Flow Velocity, Bratz Ian N, Calcium Signaling/drug effects, Cappelli Holly C, Capsaicin/*pharmacology, Cardiovascular Agents/*pharmacology, Connell Patrick J, Coronary Circulation/drug effects, Coronary Vessels/metabolism/physiopathology, Cysteine/genetics/metabolism, Damron Derek S, DelloStritto Daniel J, Department of Integrative Medical Sciences, Diabetes Mellitus/drug therapy/*metabolism/physiopathology, Disease Models, Fahmy Joseph N, Femoral Artery/metabolism/physiopathology, Free radical biology & medicine, Geldenhuys Werner J, HEK293 Cells, Humans, Inbred C57BL, Lipid Peroxidation, Male, Mice, NEOMED College of Medicine, Patch-Clamp Techniques, Post-Translational, Sinharoy Pritam, Thodeti Charles K, TRPV Cation Channels/genetics/*metabolism, Vasodilation/drug effects

Differential regulation of TRPV1 channels by H2O2: implications for diabetic microvascular dysfunction.

We demonstrated previously that TRPV1-dependent coupling of coronary blood flow (CBF) to metabolism is disrupted in diabetes. A critical amount of H2O2 contributes to CBF regulation; however, excessive H2O2 impairs responses. We sought to determine…

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