Assertion: adenosine's action | /r/HasProperty | physiological
Facets:
Source sentences:
text: Adenosine represents an endogenous inhibitory modulator widely distributed in the central nervous system, exerting its physiological actions through activation of four structurally distinct surface receptors (A 1 , A 2A , A 2B and A 3 ), all of which represent attractive targets for several human diseases (Fredholm et al., 2001; Sebastião and Ribeiro, 2009).