نتایج جستجو برای: atp sensitive potassium
تعداد نتایج: 404946 فیلتر نتایج به سال:
Microdialysis coupled with an enzyme-based flow injection analysis was used to monitor brain extracellular lactate and glucose in the freely moving rat. Glucose levels reflect the balance between supply from the blood and local utilisation, and lactate efflux indicates the degree of local nonoxidative glucose metabolism. Local application of tolbutamide, a blocker of the ATP-sensitive potassium...
Objective: The purpose of this study was to determine if H2S is a major physiological EDHF. Methods and Results: We now show that H2S is a major EDHF because in blood vessels of CSE-deleted mice, hyperpolarization is virtually abolished. H2S acts by covalently modifying (sulfhydrating) the ATP-sensitive potassium channel, as mutating the site of sulfhydration prevents H2S-elicited hyperpolariza...
Current technologies for studying ion channels are fundamentally limited because of their inability to functionally link ion channel activity to cellular pathways. Herein, we report the use of label-free cell phenotypic profiling to decode the composition and signaling of an endogenous ATP-sensitive potassium ion channel (KATP) in HepG2C3A, a hepatocellular carcinoma cell line. Label-free cell ...
BACKGROUND AND PURPOSE During cerebral ischemia, both hypoxia and hypercapnia appear to produce marked dilatation of the cerebral arteries. Hypercapnia and hypoxia may be accompanied by extracellular and intracellular acidosis, which is another potent dilator of cerebral arteries. However, the precise mechanism by which acidosis produces dilatation of the cerebral arteries is not fully understo...
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