... Louzao, Isabel R. Ares and Eva CagideDepartamento de Farmacologia, Facultad de Veterinaria, Universidad de Santiago de Compostela, Lugo, SpainIntroductionPalytoxin is a potent marine toxin that ... Ouabain interaction with cardiac Na+ ⁄ K+-ATPase initiates signal cascades independent of changesin intracellular Na+ and Ca2+ concentrations. J BiolChem 275, 27838–27844.M. C. Louzao et al. ... of investigation.References1 Onuma Y, Satake M, Ukena T, Roux J, Chanteau S,Rasolofonirina N, Ratsimaloto M, Naoki H & Yasum-oto T (1999) Identification of putative palytoxin as thecause...