Effect of verapamil on platelet surface ultrastructure and calcium content. 1988

M Djaldetti, and R Gilgal, and P Fishman, and I Zahavi
Department of Medicine B, Tel Aviv University Medical School, Petah-Tiqva, Israel.

The effect of verapamil on the surface ultrastructure and calcium content of human platelets was studied by scanning electron microscopy and X-ray microanalysis. The results showed that the drug prevents platelet pseudopodia formation and causes a dose-dependent inhibition of platelet calcium concentration. The significance of these findings in the explanation of the inhibitory effect of verapamil on platelet aggregation is discussed.

UI MeSH Term Description Entries
D011554 Pseudopodia A dynamic actin-rich extension of the surface of an animal cell used for locomotion or prehension of food. Axopodia,Filopodia,Lamellipodia,Lobopodia,Microspikes, Cell Surface,Reticulopodia,Pseudopodium,Cell Surface Microspike,Cell Surface Microspikes,Lamellipodias,Microspike, Cell Surface,Surface Microspike, Cell,Surface Microspikes, Cell
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002462 Cell Membrane The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. Plasma Membrane,Cytoplasmic Membrane,Cell Membranes,Cytoplasmic Membranes,Membrane, Cell,Membrane, Cytoplasmic,Membrane, Plasma,Membranes, Cell,Membranes, Cytoplasmic,Membranes, Plasma,Plasma Membranes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014700 Verapamil A calcium channel blocker that is a class IV anti-arrhythmia agent. Iproveratril,Calan,Cordilox,Dexverapamil,Falicard,Finoptin,Isoptin,Isoptine,Izoptin,Lekoptin,Verapamil Hydrochloride,Hydrochloride, Verapamil

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