Assertion: adenosine | /r/CapableOf | exert its physiological effects
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Source sentences:
text: Adenosine affects several functions in the body, exerting its physiological effects through regulation of four G-protein coupled receptors (GPCRs) named A 1 , A 2A , A 2B , and A 3 , characterized by different affinities for adenosine, tissue distribution, and coupling with effector systems.