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

Jorge H. Capdevila, J R Falck

Research output: Contribution to journalArticle

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 metabolites, we stand at the threshold of novel therapeutic approaches for the treatment of renal injury, pain, hypertension, and heart disease.

Original languageEnglish (US)
Pages (from-to)2047-2062
Number of pages16
JournalJournal of Lipid Research
Volume59
Issue number11
DOIs
StatePublished - Nov 1 2018

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Exploratory Behavior
Mixed Function Oxygenases
Arachidonic Acid
Metabolites
Hypertension
Metabolism
Hemeproteins
Kidney
Hydroxylation
Nociception
Epoxidation
Physiology
Medical problems
Bioactivity
Vascular Diseases
Cytochrome P-450 Enzyme System
Blood Vessels
Heart Diseases
Neoplasms
Protein Isoforms

Keywords

  • diseases
  • eicosanoids
  • endothelial cells
  • genetics
  • kidney
  • PPAR

ASJC Scopus subject areas

  • Biochemistry
  • Endocrinology
  • Cell Biology

Cite this

The arachidonic acid monooxygenase : from biochemical curiosity to physiological/pathophysiological significance. / Capdevila, Jorge H.; Falck, J R.

In: Journal of Lipid Research, Vol. 59, No. 11, 01.11.2018, p. 2047-2062.

Research output: Contribution to journalArticle

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