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|Titolo:||Platelet intracellular free Ca2+ after incubation with plasma from hypertensive patients|
|Autori interni:||SANTONASTASO, Clara|
|Data di pubblicazione:||1989|
|Rivista:||JOURNAL OF HUMAN HYPERTENSION|
|Abstract:||Variations in intracellular free calcium were measured in platelets from normal donors, incubated with plasma from hypertensive patients and from control subjects to test the hypothesis that a circulating factor might induce an increase in calcium concentration. Before incubation, plasma was heat-inactivated or ultrafiltered. Incubation both with heat-inactivated and ultrafiltered plasma failed to result in any significant modifications in intracellular free calcium. Similarly, no significant increase was observed after incubation with ouabain at concentrations ranging from 10(-7) to 10(-4) M. No significant differences were observed between platelets incubated with plasma from hypertensive as compared with control subjects. These findings are not consistent with the hypothesis that the increase in intracellular free calcium observed in platelets of hypertensive patients may be due to a plasma ouabain-like factor.|
|Appare nelle tipologie:||01.01 Articolo in Rivista|
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