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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
11
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pubmed:dateCreated |
1990-12-27
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pubmed:abstractText |
Quercetin was shown to reduce oxygen to superoxide. In the presence of Cu(II), the hydroxyl radical was formed. The strand scission of DNA was shown to occur under conditions in which Cu(II), quercetin and either hydrogen peroxide or oxygen were present and superoxide was not a necessary intermediate. Strand scission involved the hydroxyl radical and a radical DNA intermediate. The strand scission reaction was shown to account for the biological activity of quercetin as assayed by bacteriophage inactivation.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Copper,
http://linkedlifedata.com/resource/pubmed/chemical/DNA,
http://linkedlifedata.com/resource/pubmed/chemical/DNA, Single-Stranded,
http://linkedlifedata.com/resource/pubmed/chemical/Hydrogen Peroxide,
http://linkedlifedata.com/resource/pubmed/chemical/Quercetin,
http://linkedlifedata.com/resource/pubmed/chemical/Superoxides
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0143-3334
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
11
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
2005-8
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading | |
pubmed:year |
1990
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pubmed:articleTitle |
Strand scission in DNA by quercetin and Cu(II): identification of free radical intermediates and biological consequences of scission.
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pubmed:affiliation |
Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, India.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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