نتایج جستجو برای: decreased k and increased na
تعداد نتایج: 17119543 فیلتر نتایج به سال:
The present study was done to determine whether endogenous nitric oxide (NO) plays a role in the regulation of sodium transporters in the kidney. Male Sprague-Dawley rats were treated with NG-nitro-L-arginine methyl ester (L-NAME, 100 mg/L drinking water) for 4 weeks. Control rats were supplied with tap water without drugs. Expression of Na, K-ATPase, type 3 Na/H exchanger (NHE3), Na/K/2Cl cotr...
In order to unravel the potential mitigating effects of seed priming on salt-stressed chickpea (Cicer arietinum), a 4-replicate factorial out-door completely random design pot experiment was conducted on Arman cultivar of chickpea at the research field of the Isfahan University of Technology, Isfahan (Latitude of 32° 38' North, Longitude of 51° 39' East, and an Altitude of 1620 m above sea lev...
in wheat na+ exclusion and k+/na+ have shown to be associated with salinity tolerance, therefore in order to identify qtls with additive effect for na+ and k+ concentration traits in roots and shoots of wheat, 319 bread wheat recombinant inbred lines (ril f7), derived from a cross between roshan cultivar (salt tolerant) and falat cultivar (salt sensitive), along with their parents and 2 checks...
Time constants of slow inactivation were investigated in NH(2)-terminal deleted Shaker potassium channels using macro-patch recordings from Xenopus oocytes. Slow inactivation is voltage insensitive in physiological solutions or in simple experimental solutions such as K(+)(o)//K(+)(i) or Na(+)(o)//K(+)(i). However, when [Na(+)](i) is increased while [K(+)](i) is reduced, voltage sensitivity app...
This paper examines the time course of changes in plasma electrolyte and acid-base composition in response to NaHCO3 and KHCO3 ingestion. It was hypothesized that skeletal muscle is involved in the correction of the ensuing plasma disturbance by exchanging ions, gasses, and fluids between cells and extracellular fluids. Five male subjects, with catheters in a brachial artery and antecubital vei...
Diabetes Mellitus is the most important human metabolic disease which leads to hyperglycemia and hyperlipidemia. Hyperglycemia can give rise to disorder in kidney. In the present study, we attempted to investigate the effect of hydro-alcoholic seed extract of Ceratonia siliqual. on the blood levels of creatinine,uric acid,BUN,Na+,K+and Ca2+in diabetic male rats. Materials and Methods: In this ...
UNLABELLED STUDY AND OBJECTIVES: (Na + K)-adenosine triphosphatase (ATPase) activity, oxidative stress parameters, and morphologic characteristics of the lung and kidney of rats under acute ethanol intoxication were assessed to investigate the pathogenic mechanism of tissue damage. DESIGN AND INTERVENTIONS Adult rats were given ethanol (5.5 g/kg) 3 h before performing the biochemical and morp...
The effect of Na+-K+ pump activation on endothelium-dependent relaxation (EDR) and on intracellular Ca2+ concentration ([Ca2+]i) was examined in mouse aorta and mouse aortic endothelial cells (MAECs). The Na+-K+ pump was activated by increasing extracellular K+ concentration ([K+]o) from 6 to 12 mM. In aortic rings, the Na+ ionophore monensin evoked EDR, and this EDR was inhibited by the Na+/Ca...
The E3 ubiquitin ligase NEDD4-2 (encoded by the Nedd4L gene) regulates the amiloride-sensitive epithelial Na+ channel (ENaC/SCNN1) to mediate Na+ homeostasis. Mutations in the human β/γENaC subunits that block NEDD4-2 binding or constitutive ablation of exons 6-8 of Nedd4L in mice both result in salt-sensitive hypertension and elevated ENaC activity (Liddle syndrome). To determine the role of r...
The mechanism of the stimulation of Na+/K+ transport by insulin in frog skeletal muscle was studied. The ouabain-binding capacity in detergent-treated plasma membranes of insulin-exposed muscles was increased 1.9-fold compared with that of controls. Na+/K(+)-ATPase activity was found in an intracellular 'light fraction' (fraction II) prepared by using anion-exchange chromatography. Marker enzym...
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