Related Experiment Video
Updated: Jun 27, 2026

Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
Published on: February 16, 2022
Peroxynitrite-mediated lipid oxidation and nitration: mechanisms and consequences
Homero Rubbo1, Andrés Trostchansky, Valerie B O'Donnell
1Departamento de Bioquímica and Center for Free Radical and Biomedical Research, Facultad de Medicina, Universidad de la República, Montevideo 11800, Uruguay. hrubbo@fmed.edu.uy
Peroxynitrite causes lipid oxidation and nitration, creating new signaling molecules. These molecules modulate key lipid-metabolizing enzymes, offering insights into inflammatory processes.
Area of Science:
- Biochemistry
- Molecular Biology
- Inflammation Research
Background:
- Lipid oxidation and nitration are emerging research areas linked to inflammation.
- Peroxynitrite, formed from nitric oxide and superoxide, modifies lipids in membranes and lipoproteins.
Purpose of the Study:
- To review mechanisms of lipid oxidation and nitration by peroxynitrite.
- To explore how physiological molecules and cell targets affect peroxynitrite reactivity.
- To present evidence for novel lipid oxidation/nitration signaling modulators.
Main Methods:
- Literature review of peroxynitrite-mediated lipid modifications.
- Analysis of peroxynitrite reactivity influenced by biological factors.
- Examination of lipid oxidation/nitration products and their enzymatic targets.
Main Results:
- Peroxynitrite induces oxidative and nitrative damage to lipids.
- Physiological factors can redirect peroxynitrite's reactivity.
- Lipid oxidation/nitration generates novel signaling molecules.
Conclusions:
- Lipid oxidation and nitration by peroxynitrite are significant in understanding inflammation.
- These processes generate novel signaling modulators impacting lipid metabolism.
- Further research into peroxynitrite-mediated lipid modifications is warranted.
More Related Videos
07:29Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
Published on: October 12, 2017
13:21Detection of Nitric Oxide and Superoxide Radical Anion by Electron Paramagnetic Resonance Spectroscopy from Cells using Spin Traps
Published on: August 18, 2012
Related Concept Videos
Radical Autoxidation
Peroxisomes
Peroxisomes
Peroxisomes
Necrosis
Morphological Manifestations of Necrosis
Necrotic cells show different types of morphological appearance depending on the type of tissue and infection. In coagulative necrosis, cells become anucleated and die, but their...
Autoxidation of Ethers to Peroxides and Hydroperoxides