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Showing 1-30 of 39 results for "C1055" within Papers
Cristiano R Jesse et al.
Neuroscience letters, 490(3), 205-208 (2011-01-05)
In the present study we investigated the role of potassium (K(+)) channels and peroxisome proliferator-activated receptor gamma (PPARγ) in the antidepressant-like effect of bis selenide in the mouse tail suspension test (TST). Intracerebroventricular (i.c.v.) pretreatment with tetraethyl ammonium (TEA, a
Xin Zhang et al.
International journal of oncology, 39(6), 1609-1617 (2011-08-13)
In the present study, a series of seven synthetic croma-kalim analogues were prepared and evaluated for cytotoxic effect on human cervical carcinoma HeLa cells using WST-8 assay. A preliminary screening of these cromakalim analogues showed that 1-[(3S,4R)-4-(2-ethoxy-4-methyl-1H-pyrrol-1-yl)-3-hydroxy- 2,2-dimethylchroman-6-yl-3-phenylurea (compound 6) had
Aravind R Gade et al.
Molecular pharmacology, 83(1), 294-306 (2012-11-02)
The ATP-sensitive potassium channel (K(ATP)) in mouse colonic smooth muscle cell is a complex containing a pore-forming subunit (Kir6.1) and a sulfonylurea receptor subunit (SUR2B). These channels contribute to the cellular excitability of smooth muscle cells and hence regulate the
Vasorelaxant effects of cromakalim in rats are mediated by glibenclamide-sensitive potassium channels.
Cavero I, et al.
Journal of Pharmacology and Experimental Therapeutics, 248(3), 1261-1268 (1989)
C Boselli et al.
European journal of pharmacology, 335(1), 23-30 (1997-11-26)
Contraction of the rat detrusor muscle is mediated by cholinergic and purinergic mechanisms. The present study was carried out to look at the influence of cromakalim, compared with atropine, suramin and nifedipine on the contractile response evoked by single shock
S Sebille et al.
Current medicinal chemistry, 11(9), 1213-1222 (2004-05-12)
Potassium channels play a crucial role in controlling the cell membrane potential. Among the different varieties of K(+) channels, the ATP-sensitive potassium channels (K(ATP) channels) have been characterized in numerous cell types, such as skeletal and smooth muscle cells, endocrine
N Khanna et al.
The West Indian medical journal, 59(5), 473-478 (2011-04-09)
The study was performed to assess the effect of potassium channel openers on morphine tolerance and vice-versa. Swiss albino mice of either gender weighing between 25-30 g were used for the study The study assesses the effect of potassium channel
Xue-Dao He et al.
American journal of physiology. Gastrointestinal and liver physiology, 303(2), G240-G246 (2012-04-28)
The ionic basis of nitrergic "slow'" inhibitory junction potential (sIJP) is not fully understood. The purpose of the present study was to determine the nature and the role of calmodulin-dependent protein kinase II (CaMKII)-dependent ion conductance in nitrergic neurotransmission at
Omonkhelin J Owolabi et al.
Journal of diabetes, 5(1), 88-94 (2013-02-05)
Levcromakalim is a vasorelaxant used in the management of hypertension in diabetes mellitus. Thus, the effects of levcromakalim were investigated in streptozotocin (STZ)-diabetic rats. Diabetes was induced in Wistar albino rats with a single injection of STZ (60 mg/kg, i.p.)
Adam Institoris et al.
American journal of physiology. Heart and circulatory physiology, 300(6), H2080-H2087 (2011-03-23)
Insulin resistance (IR) impairs cerebrovascular responses to several stimuli in Zucker obese (ZO) rats. However, cerebral artery responses after subarachnoid hemorrhage (SAH) have not been described in IR. We hypothesized that IR worsens vascular reactions after a mild SAH. Hemolyzed
M C Sanguinetti et al.
Proceedings of the National Academy of Sciences of the United States of America, 85(21), 8360-8364 (1988-11-01)
The mechanism by which the antihypertensive agent BRL 34915 (cromakalim) affects action potential duration (APD) and effective refractory period (ERP) in isolated cardiac muscle was investigated. BRL 34915 (greater than or equal to 3 microM) shortened ERP of ferret (Mustela
Violetta Cecchetti et al.
Current topics in medicinal chemistry, 6(10), 1049-1068 (2006-06-22)
ATP-Sensitive potassium channel openers (K(ATP)COs) are a group of compounds with a broad spectrum of potential therapeutic applications, as they constitute efficient tools for dampening cell excitability. Interest in the K(ATP)COs was triggered in the early 1980s by the discovery
Hiroyuki Kinoshita et al.
Anesthesia and analgesia, 115(1), 54-61 (2012-04-03)
Adenosine triphosphate (ATP)-sensitive K(+) channels contribute to significant regulatory mechanisms related to organ blood flow in both physiological and pathological conditions. High glucose impairs arterial ATP-sensitive K(+) channel activity via superoxide production. However, the effects of anesthetics on this pathological
Ryuji Tsuburaya et al.
Journal of molecular and cellular cardiology, 51(3), 329-336 (2011-06-10)
Although high intake of n-3 fatty acids is associated with reduced mortality of patients with ischemic heart disease, especially reduction in sudden cardiac death (SCD), the detailed mechanisms remain to be elucidated. Thus, the present study was designed to examine
Shogo Shimizu et al.
British journal of pharmacology, 163(2), 272-282 (2011-01-22)
Nicorandil, an ATP-sensitive potassium (K(ATP) ) channel opener and nitric oxide donor, is used in the treatment of angina and acute heart failure. Here we investigated the effects of two K(ATP) channel openers, nicorandil and cromakalim on ischaemia reperfusion (I-R)
Constriction of isolated collecting lymphatic vessels in response to acute increases in downstream pressure
Scallan J P, et al.
The Journal of Physiology, 591(2), 443-459 (2013)
Panagiota Tsounapi et al.
Life sciences, 90(17-18), 649-656 (2012-04-07)
To investigate the participation of K(ATP) channels on the ischemia-reperfusion (IR)-induced apoptosis in the rat testis. Eight-week-old male Sprague-Dawley rats were divided into three groups: control and IR rats without or with cromakalim (300 μg/kg intraperitoneally), 30 min before the
Joshua P Scallan et al.
The Journal of physiology, 591(2), 443-459 (2012-10-10)
Collecting lymphatic vessels generate pressure to transport lymph downstream to the subclavian vein against a significant pressure head. To investigate their response to elevated downstream pressure, collecting lymphatic vessels containing one valve (incomplete lymphangion) or two valves (complete lymphangion) were
Tugba Gurpinar et al.
Swiss medical weekly, 142, w13558-w13558 (2012-04-07)
Impairment of the vasorelaxant responses have been reported in diabetes mellitus. In this study, the roles of the K(ATP) channel and rho kinase pathway were evaluated by using the K(ATP) channel opener cromakalim and Rho-kinase inhibitor HA 1077 in diabetic
BRL 34915 (cromakalim) activates ATP-sensitive K+ current in cardiac muscle
Sanguinetti M C, et al.
Proceedings of the National Academy of Sciences, 85(21), 8360-8364 (1988)
Bahareh Vahabi et al.
European journal of pharmacology, 660(2-3), 431-437 (2011-04-19)
Increased phasic activity in the bladder smooth muscle of animal models and patients with detrusor overactivity has been suggested to underlie the pathophysiology of overactive bladder. Potassium (K+) channels are key regulators of bladder smooth muscle tone and thus may
Josiane Budni et al.
Pharmacology, biochemistry, and behavior, 101(1), 148-154 (2012-01-10)
Potassium (K(+)) channels have been implicated in depressive disorders and in the mechanism of action of antidepressants. Considering that several studies have indicated that folic acid plays an important role in the pathophysiology of depression, the present study investigated the
Dovenia S Ponnoth et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 303(10), R1003-R1010 (2012-09-29)
Previously, we have shown that A(2A) adenosine receptor (A(2A)AR) mediates aortic relaxation via cytochrome P-450 (CYP)-epoxygenases. However, the signaling mechanism is not understood properly. We hypothesized that ATP-sensitive K(+) (K(ATP)) channels play an important role in A(2A)AR-mediated relaxation. Organ bath
Xavier Florence et al.
Bioorganic & medicinal chemistry, 19(13), 3919-3928 (2011-06-15)
The synthesis of different series of 4- and 6-substituted R/S-3,4-dihydro-2,2-dimethyl-2H-1-benzopyrans is described. All of these new benzopyran derivatives were bearing, at the 4-position, a phenylthiourea moiety substituted on the phenyl ring by a meta or a para-electron-withdrawing group such as
Cromakalim blocks the purinergic response evoked in rat vas deferens by single-pulse electrical stimulation
Grana E, et al.
European Journal of Pharmacology, 319(1), 57-64 (1997)
Lara Testai et al.
The Journal of pharmacy and pharmacology, 62(7), 924-930 (2010-07-20)
This work evaluated the potential usefulness of pharmacological activation of cardiac ATP-sensitive potassium channels (K(ATP)) in the prevention of drug-induced QT prolongation in anaesthetised guinea-pigs. Prolongation of cardiac repolarisation and QT interval is an adverse effect of many drugs blocking
Ethel A Wilhelm et al.
The Journal of pharmacy and pharmacology, 62(9), 1121-1127 (2010-08-28)
This study investigated the involvement of different types of K(+) channels and PPARgamma receptors in the antidepressant-like effect of diphenyl diselenide in mice. Mice were pretreated with subeffective doses of K(+) channel inhibitors (tetraethylammonium, glibenclamide, charybdotoxin and apamin), openers (cromakalim
W Spinelli et al.
European journal of pharmacology, 179(3), 243-252 (1990-04-25)
The cardiac electrophysiologic effects of the potassium channel activators cromakalim, pinacidil and nicorandil were determined in anesthetized open-chest normotensive dogs using conventional surface electrogram recording techniques. Intravenous administration of cromakalim (0.025-0.5 mg/kg), pinacidil (0.1-2.0 mg/kg) and nicorandil (0.1-2.5 mg/kg) produced
Effect of cromakalim on the purinergic and cholinergic transmission in the rat detrusor muscle
Boselli C, et al.
European Journal of Pharmacology, 335(1), 23-30 (1997)
Xue-Feng Wu et al.
Pain, 152(11), 2605-2615 (2011-09-13)
Adenosine triphosphate-sensitive potassium (K(ATP)) channels are suggested to be involved in pathogenesis of neuropathic pain, but remain underinvestigated in primary afferents and in the spinal cord. We examined alterations of K(ATP) channels in rat spinal cord and tested whether and
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