The role of prostaglandins in early polyuria induced by cisplatin in the rat

D. I. Moel, R. L. Safirstein, Richard A Cohn, J. Penning

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Abstract

To assess a possible role of prostaglandins in the early phase of cisplatin-induced abnormalities in renal concentrating ability, three groups of rats were studied. In a first group we measured prostaglandin production from renal medullary microsomes isolated from rats sacrificed at different time periods after cisplatin, 5 mg/kg alone (PB/CP) or cisplatin plus aspirin, 300 mg/kg p.o., 1 h before cisplatin and daily (ASA/CP). In a second group of rats, balance studies were performed in PB/CP and ASA/CP animals for 4 days after cisplatin to determine the effect of such treatment on the renal excretion of solute and water. In another group of rats inulin clearance was measured in PB/CP and ASA/CP animals 4 days after such treatment. The rats received aspirin or phosphate buffer alone (50 mg/ml sodium phosphate, pH 8) to determine the effect of such treatment on prostaglandin production and renal function. In PB/CPU(osm) fell and prostaglandin synthesis increased on days 1-3. Prostaglandin synthesis returned to baseline values by day 4, but U(osm) remained low. Inulin clearance was low 4 days after cisplatin. In ASA/CP rats prostaglandin synthesis did not increase and the early polyuria was ameliorated. Aspirin did not prevent the later polyuria. Inulin clearance in the ASA/CP group was markedly reduced to levels below those observed in cisplatin alone. These data demonstrate that elevated rates of prostaglandin synthesis occur early in the course of cisplatin-induced renal failure and suggest that prostaglandins may play a role in the early cisplatin-induced concentrating defect.

Original languageEnglish (US)
Pages (from-to)91-95
Number of pages5
JournalNephron
Volume46
Issue number1
StatePublished - Jan 1 1987

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Polyuria
Cisplatin
Prostaglandins
Inulin
Aspirin
Kidney
Microsomes
Renal Insufficiency
Buffers
Phosphates
Water

ASJC Scopus subject areas

  • Nephrology

Cite this

Moel, D. I., Safirstein, R. L., Cohn, R. A., & Penning, J. (1987). The role of prostaglandins in early polyuria induced by cisplatin in the rat. Nephron, 46(1), 91-95.
Moel, D. I. ; Safirstein, R. L. ; Cohn, Richard A ; Penning, J. / The role of prostaglandins in early polyuria induced by cisplatin in the rat. In: Nephron. 1987 ; Vol. 46, No. 1. pp. 91-95.
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Moel, DI, Safirstein, RL, Cohn, RA & Penning, J 1987, 'The role of prostaglandins in early polyuria induced by cisplatin in the rat', Nephron, vol. 46, no. 1, pp. 91-95.

The role of prostaglandins in early polyuria induced by cisplatin in the rat. / Moel, D. I.; Safirstein, R. L.; Cohn, Richard A; Penning, J.

In: Nephron, Vol. 46, No. 1, 01.01.1987, p. 91-95.

Research output: Contribution to journalArticle

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Moel DI, Safirstein RL, Cohn RA, Penning J. The role of prostaglandins in early polyuria induced by cisplatin in the rat. Nephron. 1987 Jan 1;46(1):91-95.