Abstract:We previously described that 1,1'-diisopropyl-2,4'-cyanine (disprocynium24, DP24) exerts an eukaliuric diuresis and natriuresis in the anesthetized rat. The purpose of the present study was to localize the tubular site of action of DP24. Employing micropuncture experiments in anesthetized rats, we first tested the effect of systemic application of DP24 (300 microg/kg + 300 microg/kg h, i.v.) on whole kidney excretion rates as well as on fluid, sodium and potassium ion delivery to the early distal tubule (V(ED)… Show more
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