Na, K-ATPase Receptor Subunits .ALPHA.1, .ALPHA.2 and .ALPHA.3 mRNA in Dilated Cardiomyopathy.
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چکیده
منابع مشابه
Neuronal function and alpha3 isoform of the Na/K-ATPase.
The Na/K-ATPase is a complex of integral membrane proteins that carries out active transport of sodium and potassium across the cell plasma membrane, and maintains chemical gradients of these ions. The alpha subunit of the Na/K-ATPase has several isoforms that are expressed in a cell type- and tissue-dependent manner. In adult vertebrates, while kidney cells express mostly alpha1, muscle and gl...
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The Na,K-ATPase classically serves as an ion pump creating an electrochemical gradient across the plasma membrane that is essential for transepithelial transport, nutrient uptake and membrane potential. In addition, Na,K-ATPase also functions as a receptor, a signal transducer and a cell adhesion molecule. With such diverse roles, it is understandable that the Na,K-ATPase subunits, the catalyti...
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Background: Novel roles for the interaction of cardiotonic steroids to Na+/K+-ATPase have been established in recent years. The aim of the present study was to investigate the intracellular signaling events downstream the action of ouabain on Na+/K+-ATPase in Sertoli cell obtained from immature rats. Treatment of Sertoli cells with ouabain (1 μM) induced a rapid and transient increase in the ex...
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The aim of this study was to determine whether changes in protein content and/or gene expression of Na+-K+-ATPase subunits underlie its decreased enzyme activity during ischemia and reperfusion. We measured protein and mRNA subunit levels in isolated rat hearts subjected to 30 min of ischemia and 30 min of reperfusion (I/R). The effect of ischemic preconditioning (IP), induced by three cycles o...
متن کاملTransport and pharmacological properties of nine different human Na, K-ATPase isozymes.
Na,K-ATPase plays a crucial role in cellular ion homeostasis and is the pharmacological receptor for digitalis in man. Nine different human Na,K-ATPase isozymes, composed of 3 alpha and beta isoforms, were expressed in Xenopus oocytes and were analyzed for their transport and pharmacological properties. According to ouabain binding and K(+)-activated pump current measurements, all human isozyme...
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ژورنال
عنوان ژورنال: Biological and Pharmaceutical Bulletin
سال: 1995
ISSN: 0918-6158,1347-5215
DOI: 10.1248/bpb.18.907