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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
5
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pubmed:dateCreated |
1993-2-9
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pubmed:abstractText |
Nuclear cataract formed in rat lens in response to a protocol of multiple, low doses of sodium selenite. Nuclear cataract occurred, in both Wistar and Sprague-Dawley rats, following five subcutaneous injections of selenite over an 8-day period with an accumulated dose of 40-50 nmol selenite g-1 body weight. Glutathione content decreased within the first 24 hr of treatment and remained at 60% of controls. Lipid peroxidation occurred in Wistar rats prior to nuclear cataract formation. A two to three-fold increase in calcium concentration and decreased protein content accompanied nuclear cataract development. Enzyme activities were measured for glutathione peroxidase, glutathione reductase, and glutathione S-transferase, and only the peroxidase activity remained constant through the period of cataract formation. This protocol resulted in nuclear cataracts similar in appearance to those observed with a single, acute dose of selenite. The opportunity to control the rate of selenite-dependent cataract formation allows further definition of precataractous events.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antiviral Agents,
http://linkedlifedata.com/resource/pubmed/chemical/Glutathione,
http://linkedlifedata.com/resource/pubmed/chemical/Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/Selenious Acid,
http://linkedlifedata.com/resource/pubmed/chemical/Selenium
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pubmed:status |
MEDLINE
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pubmed:month |
Nov
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pubmed:issn |
0014-4835
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
55
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
671-8
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:1478277-Animals,
pubmed-meshheading:1478277-Antiviral Agents,
pubmed-meshheading:1478277-Cataract,
pubmed-meshheading:1478277-Disease Models, Animal,
pubmed-meshheading:1478277-Dose-Response Relationship, Drug,
pubmed-meshheading:1478277-Glutathione,
pubmed-meshheading:1478277-Lens, Crystalline,
pubmed-meshheading:1478277-Lipid Peroxidation,
pubmed-meshheading:1478277-Organ Size,
pubmed-meshheading:1478277-Proteins,
pubmed-meshheading:1478277-Rats,
pubmed-meshheading:1478277-Rats, Sprague-Dawley,
pubmed-meshheading:1478277-Rats, Wistar,
pubmed-meshheading:1478277-Selenious Acid,
pubmed-meshheading:1478277-Selenium
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pubmed:year |
1992
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pubmed:articleTitle |
Biochemical changes and cataract formation in lenses from rats receiving multiple, low doses of sodium selenite.
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pubmed:affiliation |
Department of Biochemistry, Beijing Medical University, P.R. China.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.
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