Search on: REACTIVE OXYGEN SPECIES 
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Descriptor English:   Reactive Oxygen Species 
Descriptor Spanish:   especies reactivas de oxígeno 
Descriptor Portuguese:   Espécies Reativas de Oxigênio 
Synonyms English:   Active Oxygen
Oxygen Radicals
Oxygen Species, Reactive
Oxygen, Active
Pro Oxidants
Pro-Oxidants  
Tree Number:   D01.339.431
D01.650.775
Definition English:   Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include SINGLET OXYGEN; SUPEROXIDES; PEROXIDES; HYDROXYL RADICAL; and HYPOCHLOROUS ACID. They contribute to the microbicidal activity of PHAGOCYTES, regulation of SIGNAL TRANSDUCTION and GENE EXPRESSION, and the oxidative damage to NUCLEIC ACIDS; PROTEINS; and LIPIDS. 
See Related English:   Free Radicals
Oxidative Stress
Oxygen Radical Absorbance Capacity
 
History Note English:   1993 
Allowable Qualifiers English:  
AD administration & dosage AE adverse effects
AG agonists AN analysis
AI antagonists & inhibitors BL blood
CF cerebrospinal fluid CS chemical synthesis
CH chemistry CL classification
EC economics HI history
IM immunology IP isolation & purification
ME metabolism PK pharmacokinetics
PD pharmacology PO poisoning
RE radiation effects ST standards
SD supply & distribution TU therapeutic use
TO toxicity UR urine
Record Number:   30577 
Unique Identifier:   D017382 

Occurrence in VHL: 		 

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