Synthesis and P2Y receptor activity of a series of uridine dinucleoside 5′-polyphosphates

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    • Abstract:
      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 P2Y6were determined by intracellular calcium measurements using fluorescent imaging techniques. The correlation of phosphate chain length to activities at these receptors is discussed.