Amelioration of Cisplatin Toxicity in Rat Renal Cortical Slices by Dithiothreitol In vitro
- 1 February 1994
- journal article
- research article
- Published by SAGE Publications in Human & Experimental Toxicology
- Vol. 13 (2) , 89-93
- https://doi.org/10.1177/096032719401300205
Abstract
1 The protective effects of dithiothreitol (DTT) on cisplatin-induced nephrotoxicity were investigated with rat renal cortical slices. 2 The nephrotoxic effects of cisplatin (2 mmol l-1) were manifested in several ways: the Na+ and water content were increased while K+ was decreased. The malondiadehyde (MDA) concentration in the slices and the lactate dehydrogenase (LDH) released into the medium were increased. The uptake of p-aminohippurate (PAH), the synthesis of glucose and the glutathione (GSH) concentration in the slices were all decreased. 3 Despite a DTT-related increase in platinum (Pt) uptake by the slices, DTT (0.5-2 mmol I-1 ) ameliorated all these toxic effects of cisplatin in a concentration related manner. 4 The results suggest that the protective mechanism of DTT is its antioxidative action, DTT is also a metal chelator, however, and so a protective effect via chelation of Pt by DTT cannot be excluded.Keywords
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