نتایج جستجو برای: action preparations
تعداد نتایج: 656813 فیلتر نتایج به سال:
Standard approaches are not appropriate when assessing pharmacokinetics of iron supplements due to the ubiquity of endogenous iron, its compartmentalized sites of action, and the complexity of the iron metabolism. The primary site of action of iron is the erythrocyte, and, in contrast to conventional drugs, no drug-receptor interaction takes place. Notably, the process of erythropoiesis, i.e., ...
Neuron activity and insulin release were measured simultaneously from 33 preparations of intrapancreatic canine ganglia and pancreatic parenchyma adjacent to the ganglia. The electrical activity of single neurons of the ganglia was recorded with intracellular microelectrodes, and insulin release from the attached islets was determined with an enzyme-linked immunosorbent assay. Insulin release w...
Lysophosphatidic acid (LPA) has diverse actions on the cardiovascular system and is widely reported to modulate multiple ion currents in some cell types. However, little is known about its electrophysiological effects on cardiac myocytes. This study investigated whether LPA has electrophysiological effects on isolated rabbit myocardial preparations. The results indicate that LPA prolongs action...
Enhanced susceptibility to toxic arrhythmias by digitalis administration has been reported in clinical and experimental myocardial infarction. To investigate the mechanism responsible for this phenomenon, the effects of superfusion with normal Tyrode's solution and superfusion with Tyrode's solution containing 4 X 10(-8)M of ouabain in ischemic Purkinje fibers were compared. Ischemic Purkinje f...
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