نتایج جستجو برای: 22na
تعداد نتایج: 370 فیلتر نتایج به سال:
The role of calcium in regulating the Na+ channel in an established kidney epithelial cell line has been examined. Extracellular calcium was inhibitory to Na+ uptake, and a Dixon plot of the initial Na+ uptake rate in the presence of Ca2+ was nonlinear, suggesting a mixed pattern of inhibition. Similar patterns of inhibition were also observed for other divalent cations, including Ba2+, Mg2+, a...
The ability of trehalose and other sugars to maintain the integrity of large unilamellar vesicles subjected to dehydration and rehydration has been investigated. It is shown, employing freeze-fracture techniques, that large unilamellar vesicles prepared in the presence of trehalose at 125 mM or higher concentration do not exhibit significant structural changes during the dehydration-rehydration...
The effects of a range of antidepressants were investigated on neuronal voltage-gated Na(+) and K(+) channels. With the exception of phenelzine, all antidepressants inhibited batrachotoxin-stimulated 22Na(+) uptake, most likely via negative allosteric inhibition of batrachotoxin binding to neurotoxin receptor site-2 on the Na(+) channel. Imipramine also produced a differential action on macrosc...
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