A series of dinucleoside 5-polyphosphates UpnU (n = 2-7) was synthesized. Their relative potencies as agonists at the G-protein-coupled receptors P2Y1, P2Y2, P2Y4, and P2Y6 were determined by intracellular calcium measurements using fluorescent imaging techniques. The correlation of phosphate chain length to activities at these receptors is discussed.
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| http://dx.doi.org/10.1016/s0960-894x(00)00612-0 | DOI Listing |
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