Nitro-Fatty Acid Logistics: Formation, Biodistribution, Signaling, and Pharmacology

Overview

Journal Trends Endocrinol Metab

Specialty Endocrinology

Date 2019 Jun 15

PMID 31196614

Citations 22

Authors

Francisco J Schopfer

Nicholas K H Khoo

Affiliations

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Abstract

In addition to supporting cellular energetic demands and providing building blocks for lipid synthesis, fatty acids (FAs) are precursors of potent signaling molecules. In particular, the presence of conjugated double bonds on the fatty-acyl chain provides a preferential target for nitration generating nitro-FAs (NO-FAs). The formation of NO-FAs is a nonenzymatic process that requires reactive nitrogen species and occurs locally at the site of inflammation or during gastric acidification. NO-FAs are electrophilic and display pleiotropic signaling actions through reversible protein alkylation. This review focuses on the endogenously formed NO-FAs' mechanism of absorption, systemic distribution, signaling, and preclinical models. Understanding the dynamics of these processes will facilitate targeted dietary interventions and further the current pharmacological development aimed at low-grade inflammatory diseases.

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