Effect of cytochrome P450 arachidonate metabolites on ion transport in rabbit kidney loop of henle

Bruno Escalante, David Erlij, J R Falck, John C. Mcgiff

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Abstract

In the medullary segment of the thick ascending limb of the loop of Henle (mTALH), arachidonic acid (AA) is metabolized by a cytochrome P450-dependent monooxygenase to products that affect ion transport. The linkage between changes in ion transport and AA metabolism in isolated cells of the mTALH was examined. AA produced a concentration-dependent inhibition of 86Rb uptake - an effect that was prevented by selective blockade of cytochrome P450 monooxygenases. Inhibition by cytochrome P450 blockade of the effect of AA on 86Rb uptake could be circumvented by addition of the principal products of AA metabolism hi the mTALH.

Original languageEnglish (US)
Pages (from-to)799-802
Number of pages4
JournalScience
Volume251
Issue number4995
StatePublished - Feb 15 1991

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Loop of Henle
Ion Transport
Arachidonic Acid
Cytochrome P-450 Enzyme System
Rabbits
Kidney
Mixed Function Oxygenases

ASJC Scopus subject areas

  • General

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Effect of cytochrome P450 arachidonate metabolites on ion transport in rabbit kidney loop of henle. / Escalante, Bruno; Erlij, David; Falck, J R; Mcgiff, John C.

In: Science, Vol. 251, No. 4995, 15.02.1991, p. 799-802.

Research output: Contribution to journalArticle

Escalante, B, Erlij, D, Falck, JR & Mcgiff, JC 1991, 'Effect of cytochrome P450 arachidonate metabolites on ion transport in rabbit kidney loop of henle', Science, vol. 251, no. 4995, pp. 799-802.
Escalante, Bruno ; Erlij, David ; Falck, J R ; Mcgiff, John C. / Effect of cytochrome P450 arachidonate metabolites on ion transport in rabbit kidney loop of henle. In: Science. 1991 ; Vol. 251, No. 4995. pp. 799-802.
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