| pubmed-article:15845871 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0034693 | lld:lifeskim |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0010763 | lld:lifeskim |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0160390 | lld:lifeskim |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0072662 | lld:lifeskim |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0919426 | lld:lifeskim |
| pubmed-article:15845871 | lifeskim:mentions | umls-concept:C0332293 | lld:lifeskim |
| pubmed-article:15845871 | pubmed:issue | 2 | lld:pubmed |
| pubmed-article:15845871 | pubmed:dateCreated | 2005-7-14 | lld:pubmed |
| pubmed-article:15845871 | pubmed:abstractText | Elevated LPS and elevated cytochrome P-450 2E1 (CYP2E1) in liver are two major independent risk factors in alcoholic liver disease. We investigated possible synergistic effects of the two risk factors in causing oxidative stress and liver injury. Sprague-Dawley rats were injected intraperitoneally with pyrazole (inducer of CYP2E1) for 2 days, and then LPS was injected via tail vein. Other rats were treated with pyrazole alone or LPS alone or saline. Eight hours later, blood was collected and livers were excised. Pathological evaluation showed severe inflammatory responses and necroses only in liver sections from rats in the pyrazole plus LPS group; blood transaminase levels were significantly elevated only in the combination group. Activities of caspase-3 and -9 and positive terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick-end labeling staining were highest in the LPS alone and the LPS plus pyrazole group, with no significant difference between the two groups. Lipid peroxidation and protein carbonyls in liver homogenate as well as in situ superoxide production were maximally elevated in the LPS plus pyrazole group. Levels of nitrite plus nitrate and inducible nitric oxide (NO) synthase (iNOS) content were comparably elevated in LPS alone and the LPS plus pyrazole group; however, 3-nitrotyrosine adducts were elevated in the combined group but not the LPS group. It is likely that LPS induction of iNOS, which produces NO, coupled to pyrazole induction of CYP2E1 which produces superoxide, sets up conditions for maximal peroxynitrite formation and production of 3-nitrotyrosine adducts. CYP2E1 activity and content were elevated in the pyrazole and the LPS plus pyrazole groups. Immunohistochemical staining indicated that distribution of CYP2E1 was in agreement with that of necrosis and production of superoxide. These results show that pyrazole treatment enhanced LPS-induced necrosis, not apoptosis. The enhanced liver necrosis appears to involve an increase in oxidative and nitrosative stress generated by the combination of LPS plus elevated CYP2E1 levels. | lld:pubmed |
| pubmed-article:15845871 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:language | eng | lld:pubmed |
| pubmed-article:15845871 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:15845871 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:15845871 | pubmed:month | Aug | lld:pubmed |
| pubmed-article:15845871 | pubmed:issn | 0193-1857 | lld:pubmed |
| pubmed-article:15845871 | pubmed:author | pubmed-author:CederbaumArth... | lld:pubmed |
| pubmed-article:15845871 | pubmed:author | pubmed-author:WangXiaodongX | lld:pubmed |
| pubmed-article:15845871 | pubmed:author | pubmed-author:LuYongkeY | lld:pubmed |
| pubmed-article:15845871 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:15845871 | pubmed:volume | 289 | lld:pubmed |
| pubmed-article:15845871 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:15845871 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:15845871 | pubmed:pagination | G308-19 | lld:pubmed |
| pubmed-article:15845871 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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| pubmed-article:15845871 | pubmed:meshHeading | pubmed-meshheading:15845871... | lld:pubmed |
| pubmed-article:15845871 | pubmed:year | 2005 | lld:pubmed |
| pubmed-article:15845871 | pubmed:articleTitle | Lipopolysaccharide-induced liver injury in rats treated with the CYP2E1 inducer pyrazole. | lld:pubmed |
| pubmed-article:15845871 | pubmed:affiliation | Dept. of Pharmacology and Biological Chemistry, Mount Sinai School of Medicine, Box 1603, One Gustave L. Levy Place, New York, NY 10029, USA. | lld:pubmed |
| pubmed-article:15845871 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:15845871 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:15845871 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
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