Dipyridamole acts as a thromboxane synthase inhibitor,consequently， lowering the levels of TXA2
and stopping the effects of TXA2 .
Dipyridamole inhibits the cellular reabsorption of adenosine into platelets, red
blood cells and endothelial cells cause increasing extracellular concentrations
of adenosine.
Dipyridamole also inhibits the enzyme adenosine deaminase from breaking down normally adenosine into
inosine,which leads to further increased levels of extracellular adenosine.
Dipyridamole also inhibits the phosphodiesterase enzymes that normally break
down cAMP and/or cGMP ..
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