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Orthoquinones (o-quinones)
- Target
- o-quinones
- Molecular classification
- Reactive Intermediates, Quinones
01
Overview
Orthoquinones (o-quinones) are reactive intermediates formed through the oxidation of catechols or hydroquinones. They play a dual role in biological systems, acting as both detoxification agents and contributors to cellular toxicity. Their formation is catalyzed by various oxidative enzymes, metal ions, and sometimes molecular oxygen. O-quinones are implicated in various pathological conditions, including cancer, neurodegenerative diseases, and drug toxicity, due to their ability to generate ROS, form DNA adducts, and arylate cellular nucleophiles.
- Other names
- o-quinones1,2-quinones
02
Mechanism of action
N/A
03
Biological functions
Detoxification (in some cases)OxidationReactive Oxygen Species (ROS) generationElectrophilic modification of biomolecules
04
Disease associations
CancerNeurodegenerative DiseasesDrug ToxicityOxidative Stress
05
Safety considerations
DNA oxidation and adduct formationGeneration of reactive oxygen species (ROS)Arylation of cellular nucleophilesRedox cycling leading to oxidative stress
06
Interacting drugs
Etoposide
1 more in the full profile.
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