KATP channel
K+ transport in Malpighian tubules of Tenebrio molitor L : is a KATP channel involved?
... In summary, the effects of glibenclamide, a KATP channel blocker, on both the fluid secretion rate and basolateral membrane potentials of Tenebrio Malpighian tubules are strong indicatio[r] ...
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Different sulfonylureas induce the apoptosis of proximal tubular epithelial cell differently via closing KATP channel
... The mechanisms linking autophagy and apoptosis are not fully defined, however, our previous study found that there was a negative correlation between apoptosis and autoph- agy in PTECs (Zhang et al. 2017). A high level ...
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Myocardial ischemia induces differential regulation of KATP channel gene expression in rat hearts
... composed of an inward rectifier potassium channel (Kir6.1 and/or Kir6.2) subunit and the sulfonylurea receptor (SUR2). This channel is activated during myocardial ischemia and protects the heart from ...
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Immunolocalization of KATP channel subunits in mouse and rat cardiac myocytes and the coronary vasculature
... units assemble with the latter to modulate the channel's function and to confer unique pharmacological proper- ties to the channel complex [5,6]. Two genes each code for the two known Kir6 subfamily members ...
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Insulin Secretion with the Effect of Loureirin B through KATP Channel–Dependent Pathway
... In a healthy body, the insulin secretion is increasing with the increase of blood glucose levels. However, for diabetics, they have not the ability to promote insulin secretion. The characteristic of diabetes mellitus is ...
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Expression of an activating mutation in the gene encoding the KATP channel subunit Kir6 2 in mouse pancreatic β cells recapitulates neonatal diabetes
... secreted substantially less insulin and showed a smaller increase in intracellular calcium in response to glucose. This was due to a reduced sensitivity of K ATP channels in pancreatic b cells to inhibition by ATP or ...
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Clinical characteristics and biochemical mechanisms of congenital hyperinsulinism associated with dominant KATP channel mutations
... inside-out patch-clamp recordings of WT, S1386P mutant, or WT + S1386P channels showing channel response to MgADP (C) or diazoxide (D). Currents were measured at –50 mV in symmetrical K-INT solution, and inward ...
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Enhanced PIP3 signaling in POMC neurons causes KATP channel activation and leads to diet sensitive obesity
... Leptin and insulin have been identified as fuel sensors acting in part through their hypothalamic receptors to inhibit food intake and stimulate energy expenditure. As their intracellular signaling converges at the PI3K ...
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Oral administration of the KATP channel opener diazoxide ameliorates disease progression in a murine model of multiple sclerosis
... has been reported to stimulate oligodendrocyte precur- sor cell proliferation in a calcium-dependent manner as well as promoting myelination in vivo and preventing hypoxia-induced periventricular white matter injury ...
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Thrombin and Its Receptor Enhance ST-Segment Elevation in Acute Myocardial Infarction by Activating the KATP Channel
... measure channel activity after determining the closed channel ...in channel number or Po. The channel slope conductance was determined by measur- Figure ...
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Suppression of KATP channel activity protects murine pancreatic β cells against oxidative stress
... channel inhibition may protect the islets in vitro from the oxida- tive attack, thereby increasing the number of healthy islets during the isolation process and after transplantation. Thus, several clini- cal ...
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Cardioprotective effects of KATP channel activation during hypoxia in goldfish Carassius auratus
... One factor that hinders the interpretation of data in studies such as these is that many of the pharmacological agents typically used, including several of those employed in the present study, may protect the heart by ...
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The KATP channel in migraine pathophysiology: a novel therapeutic target for migraine
... 32. Yuan Z, Hein TW, Rosa RH, Kuo L (2008) Sildenafil (viagra) evokes retinal arteriolar dilation: dual pathways via NOS activation and phosphodiesterase inhibition. Investig Ophthalmol Vis Sci 49:720 – 725. ...
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Glucagon-like peptide-1 derived cardioprotection does not utilize a KATP-channel dependent pathway: mechanistic insights from human supply and demand ischemia studies
... AMI: acute myocardial infarction; BL1: baseline 1; BL2: baseline 2; BO1: balloon occlusion 1; BO2: balloon occlusion 2; DSE: dobutamine stress echocardiogram(s); EDP: end diastolic pressure; EF: ejection fraction; GLP-1: ...
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Research Paper: The Anti-Parkinsonism Effects of KATP Channel Blockade in the 6-Hydroxydopamine-Induced Animal Model: The Role of Oxidative Stress
... Conclusion: As severity of the behavioral symptoms in the 6-OHDA-induced Parkinsonism reflects the degree of the lesion in Substantia Nigra (SN) dopaminergic neurons, it is suggested t[r] ...
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The inotropic effects of ammonia on isolated perfused rat hearts and the mechanisms involved
... The mechanisms involved in the NH3-induced positive inotropic effect may be related to the ATP-sensitive K+ KATP channel and the nitric oxide NO–cyclic GMP cGMP signaling pathway.. In ad[r] ...
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Polymorphism E23K (rs5219) in the KCNJ11 gene in Euro-Brazilian subjects with type 1 and 2 diabetes.
... The KATP channel consists of two types of subunit: an inward-rectifier potassium channel subunit ...This channel is a heteromeric protein, composed of four ...the KATP channel, ...
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Blocking ATP-sensitive potassium channel alleviates morphine tolerance by inhibiting HSP70-TLR4-NLRP3-mediated neuroinflammation
... Moreover, our study provided a clinically safe and effective hypoglycemic drug, glibenclamide, which inhibited HSP70 release by blocking KATP channel and suppressed NLRP3 inflammasome ac[r] ...
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Expression of ATP-sensitive potassium channels in human pregnant myometrium
... a KATP channel opener, inhibited the spontaneous contractility of pregnant myometrium, suggesting that the KATP channels are functional in human pregnant ...
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High-dose fasudil preserves postconditioning against myocardial infarction under hyperglycemia in rats: role of mitochondrial KATP channels
... sarcolemma KATP (s-KATP) channels act as an effector and m-KATP channels play a dual role as a trigger and an effector in cardioprotection by isoflurane-induced PreC against oxi- dative ...new ...
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