Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
2007-6-13
pubmed:abstractText
Poly(ADP-ribose) polymerase-1 (PARP-1) is a nuclear enzyme involved in the detection of DNA strand termini. Extensive cellular damage can overactivate PARP-1, which rapidly depletes the cellular stores of NAD+ and ATP, resulting in necrotic cell death. The purpose of the present study was to determine whether 6(5H)-phenanthridinone, a potent inhibitor of PARP-1, could attenuate the hepatotoxicity of carbon tetrachloride (CCl4). Male ICR mice treated via the intraperitoneal route with CCl4 exhibited severe necrotic centrilobular lesions and significantly elevated serum transaminases. In contrast, the histopathology and serum biochemistry of animals treated concomitantly with CCl4 and 6(5H)-phenanthridinone were not significantly different versus controls. In conclusion, the results of this study demonstrate that the hepatotoxicity of CCl4 can be blocked independently of its metabolism and suggest the predominant role of PARP-1 overactivation in chemical-induced toxicity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1078-0297
pubmed:author
pubmed:issnType
Print
pubmed:volume
115-116
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
15-20
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Hepatoprotective effects of 6(5H)-phenanthridinone from chemical-induced centrilobular necrosis.
pubmed:affiliation
Center for Environmental and Occupational Risk Analysis and Management, Department of Environmental and Occupational Health, College of Public Health, University of South Florida, Tampa, Florida 33612, USA.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't