Delayed DMSO administration protects the kidney from mercuric chloride-induced injury

Sang Kyung Jo, Xuzhen Hu, Peter S.T. Yuen, Amy G. Aslamkhan, John B. Pritchard, James W. Dear, Robert A. Star

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Reactive oxygen species are implicated as mediators of tissue damage in ischemic and toxic acute renal failure. Whereas many agents can inhibit renal ischemic injury, only hepatocyte growth factor, melatonin, N-acetylcysteine, and DMSO inhibit injury after mercuric chloride administration. Although it has been suggested that DMSO may chelate the mercuric ion, more recent studies suggest that it has antiinflammatory and antioxidant effects. Acute renal failure was induced by 5 mg/kg subcutaneous injection of mercuric chloride in BALB/c mice. DMSO (3.8 ml/kg, 40% in PBS) or vehicle (PBS) was injected intraperitoneally at 0 and 24 h after mercuric chloride injection, or DMSO treatment was delayed 3 or 5 h. DMSO prevented increases in serum creatinine and tubular damage at 24 and 48 h. When DMSO treatment was delayed by 3 h, it was still beneficial; however, with a 5-h delay, the histology score and serum creatinine were not significantly decreased. DMSO partially prevented a mercuric chloride-induced decrease in glutathione peroxidase activity and completely prevented the transient decrease in superoxide dismutase activity. Neither mercuric chloride nor DMSO affected catalase activity significantly. For investigating possible effects of DMSO on cellular mercuric ion uptake, MDCK cells that were transfected with human organic anion transporter-1 were used. 203Hg uptake was inhibited 90% by N-acetylcysteine but only 5% by DMSO, indicating that the effect of DMSO is not related to chelating mercuric ion or inhibiting its uptake. It is concluded that DMSO acts in part as an antioxidant to inhibit mercuric chloride-induced acute renal injury.

Original languageEnglish
Pages (from-to)2648-2654
Number of pages7
JournalJournal of the American Society of Nephrology
Volume15
Issue number10
DOIs
Publication statusPublished - 2004 Oct 1
Externally publishedYes

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Mercuric Chloride
Dimethyl Sulfoxide
Kidney
Wounds and Injuries
Acute Kidney Injury
Acetylcysteine
Ions
Creatinine
Antioxidants
Organic Anion Transporters
Madin Darby Canine Kidney Cells
Hepatocyte Growth Factor
Poisons
Melatonin
Subcutaneous Injections
Glutathione Peroxidase
Serum
Catalase
Superoxide Dismutase
Reactive Oxygen Species

ASJC Scopus subject areas

  • Nephrology

Cite this

Delayed DMSO administration protects the kidney from mercuric chloride-induced injury. / Jo, Sang Kyung; Hu, Xuzhen; Yuen, Peter S.T.; Aslamkhan, Amy G.; Pritchard, John B.; Dear, James W.; Star, Robert A.

In: Journal of the American Society of Nephrology, Vol. 15, No. 10, 01.10.2004, p. 2648-2654.

Research output: Contribution to journalArticle

Jo, Sang Kyung ; Hu, Xuzhen ; Yuen, Peter S.T. ; Aslamkhan, Amy G. ; Pritchard, John B. ; Dear, James W. ; Star, Robert A. / Delayed DMSO administration protects the kidney from mercuric chloride-induced injury. In: Journal of the American Society of Nephrology. 2004 ; Vol. 15, No. 10. pp. 2648-2654.
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