نتایج جستجو برای: tetraethylammonium
تعداد نتایج: 1840 فیلتر نتایج به سال:
Cytochrome-derived epoxyeicosatrienoic acids may be important endothelium-derived hyperpolarizing factors, opening calcium-activated potassium channels, but their involvement in the regulation of arterial stiffness during changes in blood flow in humans is unknown. In healthy volunteers, we measured arterial pressure, radial artery diameter, wall thickness, and flow (NIUS02) during hand skin he...
We investigated the effects of the exposure of the rat vascular system to nitric oxide (NO), using infusion of either NO donor sodium nitroprusside (SNP) or S-nitroso-acetyl-DL-penicillamine (SNAP) on mean arterial pressure (MAP) responses to vasoconstrictors (phenylephrine, angiotensins I and II) and to vasodilators (bradykinin, acetylcholine, SNP, and iloprost). SNP (250 nmol/kg/ min) or SNAP...
BACKGROUND Action potential (AP) contours vary considerably between normal adult and aged right atrial fibers. The ionic bases for these differences remain unknown. Therefore we studied Ca(2+) and K(+) currents in cells from adult and aged canine right atria (RA). METHODS AND RESULTS We used whole cell patch clamp recording techniques to measure L-type Ca(2+) currents (I(CaL)) with either Ca(...
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