Pharmacological characterization of the putative cADP-ribose receptor.
cADP-ribose (cADPR), a naturally occurring metabolite of NAD(+), has been shown to be an important regulator of intracellular Ca(2+) release. Considerable evidence suggests that cADPR is the endogenous modulator of the ryanodine receptor (RyR), which mediates Ca(2+)-induced Ca(2+) release (CICR). Indeed, cADPR-mediated Ca(2+) release is subject to functional regulation by other modulators of CICR, including Ca(2+), caffeine and calmodulin. However, the underlying basis behind the effect of su...Expand abstract
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