Báo cáo Y học: Inhibition of the SERCA Ca21 pumps by curcumin Curcumin putatively stabilizes the interaction between the nucleotide-binding and phosphorylation domains in the absence of ATP
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School of Biosciences, University of Birmingham, Edgbaston, Birmingham, UK; 2Shifa College of Medicine, Islamabad, Pakistan.Curcumin is a compound derived from the spice, tumeric. It is a potent inhibitor of the SERCA Ca2þ pumps (all isoforms), inhibiting Ca2þ-dependent ATPase activity with IC50 values of between 7 and 15 mM . It also inhibits ATPdependent Ca2þ-uptake in a variety of microsomal membranes, although for cerebellar and platelet microsomes, a stimulation in Ca2þ uptake is observed at low curcumin concentrations (,10 mM )....
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