The arachidonic acid monooxygenase: from biochemical curiosity to physiological/pathophysiological significance.

Journal of Lipid Research
Jorge H Capdevila, John R Falck

Abstract

The initial studies of the metabolism of arachidonic acid (AA) by the cytochrome P450 (P450) hemeproteins sought to: a) elucidate the roles for these enzymes in the metabolism of endogenous pools of the FA, b) identify the P450 isoforms involved in AA epoxidation and ω/ω-1 hydroxylation, and c) explore the biological activities of their metabolites. These early investigations provided a foundation for subsequent efforts to establish the physiological relevance of the AA monooxygenase and its contributions to the pathophysiology of, for example, cancer, diabetes, hypertension, inflammation, nociception, and vascular disease. This retrospective analyzes the history of some of these efforts, with emphasis on genetic studies that identified roles for the murine Cyp4a and Cyp2c genes in renal and vascular physiology and the pathophysiology of hypertension and cancer. Wide-ranging investigations by laboratories worldwide, including the authors, have established a better appreciation of the enzymology, genetics, and physiologic roles for what is now known as the third branch of the AA cascade. Combined with the development of analytical and pharmacological tools, including robust synthetic agonists and antagonists of the major metabol...Continue Reading

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Citations

Jul 4, 2020·Essays in Biochemistry·William W Christie, John L Harwood
Aug 19, 2020·Essays in Biochemistry·Philip C Calder
Feb 16, 2021·Hypertension·James M LutherNancy J Brown
Feb 18, 2021·Clinical and Experimental Nephrology·Naohiro TakahashiEisei Sohara
Aug 18, 2021·Clinical Science·William S Powell

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