Related Experiment Video
Updated: Jul 18, 2026

Measurement of Mitochondrial Oxygen Consumption in Permeabilized Fibers of Drosophila Using Minimal Amounts of Tissue
Published on: April 7, 2018
Amphiphilic NO-donor antioxidants
Konstantin Chegaev1, Loretta Lazzarato, Barbara Rolando
1Dipartimento di Scienza e Tecnologia del Farmaco, Università degli Studi di Torino, Via Pietro Giuria 9, 10125 Torino, Italy.
Novel amphiphilic nitric oxide (NO)-donor antioxidants were synthesized and tested. Their antioxidant and vasodilator activities were found to be modulated by their interaction with phospholipid layers, enhancing their therapeutic potential.
Area of Science:
- Medicinal Chemistry
- Biochemistry
- Pharmacology
Background:
- Antioxidants are crucial for combating oxidative stress.
- Nitric oxide (NO)-donors possess therapeutic potential.
- Amphiphilic molecules can interact with biological membranes.
Purpose of the Study:
- To design and synthesize novel amphiphilic NO-donor antioxidants.
- To evaluate their antioxidant and vasodilator properties.
- To investigate their interaction with phospholipid bilayers.
Main Methods:
- Chemical synthesis of amphiphilic NO-donor antioxidants.
- In vitro antioxidant assays (TBARS, LDL oxidation).
- In vitro vasodilator assays.
- Nuclear Magnetic Resonance (NMR) spectroscopy for membrane interaction studies.
Main Results:
- Successful synthesis of amphiphilic NO-donor antioxidants with varying lipophilic tail lengths (C2, C6, C8, C10).
- Compounds exhibited both antioxidant and vasodilator activities in vitro.
- Activities were correlated with the compounds' ability to accumulate on phospholipid layers.
Conclusions:
- The designed amphiphilic NO-donor antioxidants demonstrate promising dual activity.
- Membrane interaction is a key factor modulating their biological functions.
- These compounds represent potential therapeutic agents for conditions involving oxidative stress and impaired vasodilation.
More Related Videos
08:03Unveiling Xenobiotic Transport and Effects in Isolated Mitochondria: Insights from Respirometric and Enzymatic Assays
Published on: March 7, 2025
14:39Cholinergic Ligand–dependent Modulation of Oxidative Phosphorylation Coupling in Digitonin-permeabilized BE(2)-C Neuroblastoma Cells
Published on: April 28, 2026
Related Concept Videos
Radical Autoxidation
Oxidation of Phenols to Quinones
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox property is crucial in...
Amino acids
Bioactivation and Tissue Toxicity
Antiprotozoal Agents
Antifungal Agents