ATP-Pi and ITP-Pi exchange by cardiac sarcoplasmic reticulum.
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Adenosine Diphosphate↗
Biomedical subjects
B Plank
Publications and source records attributed to B Plank.
pH and temperature dependence of adenosine uptake in human erythrocytes.
Kinetic analysis of the saturable adenosine uptake in human erythrocytes suggests the existence of two saturable components, distinguished by different Km values (1.4 and 260 micron, respectively, at pH 7.4 and 25 degrees C). Both components were abolished by p-nitrobenzylthioguanosine or dipyridamole. Total uptake was significantly higher at pH 8 than at pH 7 at adenosine concentrations above 2 micron. The increase in uptake at the higher pH was brought about mainly by an increase in the maximum rate of transport of the low-affinity uptake system. With rising temperature the Km and the V of both uptake components increased. No transition temperature was observed between 12 and 37 degrees C.
Adenosine↗
Inhibition of adenosine uptake in human erythrocytes by adenosine-5'-carboxamides, xylosyladenine, dipyridamole, hexobendine, and p-nitrobenzylthioguanosine.
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Adenosine↗