Chikako Sekido

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Hemorrhage, necrosis and edema are some of the effects often observed following snake bites. This paper reports studies on the isolation and biological properties of hemorrhagic toxin from Crotalus viridis viridis (Prairie rattlesnake) venom. A hemorrhagic toxin was isolated from C. v. viridis venom by Sephadex G-50, DEAE-Sephacel and Q-Sepharose column(More)
Plasma hyaluronan-binding protein (PHBP), a serine protease that can activate coagulation factor VII and prourokinase, circulates in a single-chain form (pro-PHBP) and autoproteolytically converts to an active two-chain form with the aid of an effector such as spermidine and heparin. It has been postulated that PHBP plays roles in regulating inflammation,(More)
Plasma hyaluronan-binding protein (PHBP) is a serine protease implicated in proteolysis under inflammatory conditions. We identified laccaic acid, a widely used food coloring from scale insects, as a potent inhibitor of the protease in terms of both autoactivation of the PHBP proenzyme (IC(50) = 0.35-0.55 µg/ml) and the catalytic activity of the active(More)
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