Inhibition of the actions of palytoxin on the K+ efflux from red cells and on the Na/K-ATPase activity by a monoclonal antibody.

Abstract

Palytoxin (PTX) binds to the Na/K pump, inhibits the (Na/K)-ATPase and forms Na and K permeable channels in human red cells. Here, we report that a monoclonal antibody raised against a derivative of PTX (Bignami, G.S. et al. (1992) Toxicon 30, 687-700) inhibits these effects. The observations are consistent with a model in which (a) the antibody binds and… (More)

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