Evidence for adenosine triphosphate as an excitatory transmitter in guinea-pig, rabbit and pig urinary bladder.


1. The effects of alpha,beta-methylene ATP (alpha,beta-MeATP) on membrane properties and excitatory junction potentials (EJPs) were examined in smooth muscle cells of the guinea-pig, rabbit and pig bladder. 2. Intracellular recording with microelectrodes was used to record membrane electrical activity from the guinea-pig bladder. ATP (10(-3) M) produced a… (More)


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