Gap junction-dependent increases in smooth muscle cAMP underpin the EDHF phenomenon in rabbit arteries

HJ Taylor, AT Chaytor, DH Edwards… - … and biophysical research …, 2001 - Elsevier
We have investigated the role of cAMP in nitric oxide (NO)-and prostanoid-independent
vascular relaxations evoked by acetylcholine (ACh) in isolated arteries and perfused ear …

Connexins and gap junctions in the EDHF phenomenon and conducted vasomotor responses

C De Wit, TM Griffith - Pflügers Archiv-European Journal of Physiology, 2010 - Springer
It is becoming increasingly evident that electrical signaling via gap junctions plays a central
role in the physiological control of vascular tone via two related mechanisms (1) the …

cAMP facilitates EDHF-type relaxations in conduit arteries by enhancing electrotonic conduction via gap junctions

TM Griffith, AT Chaytor, HJ Taylor… - Proceedings of the …, 2002 - National Acad Sciences
We have investigated the role of cAMP in NO-and prostanoid-independent relaxations that
are widely attributed to an endothelium-derived hyperpolarizing factor (EDHF). Under …

Gap junction-dependent and-independent EDHF-type relaxations may involve smooth muscle cAMP accumulation

AT Chaytor, HJ Taylor… - American Journal of …, 2002 - journals.physiology.org
We have compared the mechanisms that contribute to endothelium-derived hyperpolarizing
factor (EDHF)-type responses induced by ACh and the Ca2+ ionophore A-23187 in the …

Distinct hyperpolarizing and relaxant roles for gap junctions and endothelium-derived H2O2 in NO-independent relaxations of rabbit arteries

AT Chaytor, DH Edwards… - Proceedings of the …, 2003 - National Acad Sciences
We have compared the contributions of gap junctional communication and chemical
signaling via H2O2 to NO-independent relaxations evoked by the Ca2+ ionophore A23187 …

Role of K+ channels and sodium pump in the vasodilation induced by acetylcholine, nitric oxide, and cyclic GMP in the rabbit aorta

M Ferrer, J Marın, A Encabo, MJ Alonso… - … : The Vascular System, 1999 - Elsevier
The endothelium-dependent relaxation caused by acetylcholine (ACh) in rabbit aorta
segments was reduced by the nitric oxide (NO) synthase inhibitor NG-nitro-l-arginine methyl …

The obligatory link: role of gap junctional communication in endothelium-dependent smooth muscle hyperpolarization

TM Griffith, AT Chaytor, DH Edwards - Pharmacological research, 2004 - Elsevier
Although an endothelium-derived hyperpolarizing factor (EDHF) has often been
hypothesized to underpin vascular relaxations that are independent of nitric oxide (NO) and …

Nitric oxide–independent relaxations to acetylcholine and A23187 involve different routes of heterocellular communication: role of gap junctions and phospholipase …

IR Hutcheson, AT Chaytor, WH Evans… - Circulation …, 1999 - Am Heart Assoc
NO-and prostanoid-independent relaxations are generally assumed to be mediated by an
endothelium-derived hyperpolarizing factor (EDHF) that has been postulated to be an …

Smooth muscle membrane potential modulates endothelium‐dependent relaxation of rat basilar artery via myo‐endothelial gap junctions

T Allen, M Iftinca, WC Cole, F Plane - The Journal of physiology, 2002 - Wiley Online Library
The release of endothelium‐derived relaxing factors, such as nitric oxide (NO), is dependent
on an increase in intracellular calcium levels ([Ca2+] i) within endothelial cells. Endothelial …

Increases in endothelial Ca2+ activate KCa channels and elicit EDHF-type arteriolar dilation via gap junctions

Z Ungvari, A Csiszar, A Koller - American Journal of …, 2002 - journals.physiology.org
In skeletal muscle arterioles, the pathway leading to non-nitric oxide (NO), non-
prostaglandin-mediated endothelium-derived hyperpolarizing factor (EDHF)-type dilations is …