Source:http://linkedlifedata.com/resource/pubmed/id/14654968
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
2003-12-5
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pubmed:abstractText |
The metabolism of arachidonic acid (AA) by either the cyclooxygenase (COX) or lipoxygenase (LOX) pathway generates eicosanoids, has been implicated in the pathogenesis of a variety of human diseases, including cancer, and may play important roles in tumor promotion, progression, and metastasis. The involvement of 12-LOX expression and function in tumor growth and metastasis has been reported in both murine and human tumor cell lines. The expression of 12-LOX in human renal cell carcinoma (RCC), normal kidney (NK) tissues and 3 kinds of RCC cell lines (Caki-1, A498, RC-1), and its effects on cell proliferation in 3 RCC cell lines were examined. Expression of 12-LOX protein was detected by immunohistochemistry and 12-LOX mRNA in RCC cell lines was detected by nested RT-PCR. Effects of 12-LOX inhibitor on RCC cell growth was examined by MTT assay, and to determine whether or not 12-LOX inhibitors induce apoptosis, we used Hoechst staining. While 12-LOX expression was detected slightly in NK tissues, a marked expression of 12-LOX was detected in RCC tissues. All human RCC cell lines expressed 12-LOX mRNA. The 12-LOX inhibitor baicalein caused marked inhibition of all three kinds of RCC cells in a concentration- and time-dependent manner. Cells treated with 12-LOX inhibitor showed chromatin condensation, cellular shrinkage, small membrane-bound bodies (apoptotic bodies), and cytoplasmic condensation. These results suggest 12-LOX may play a role in the progression of RCC in human tissue, and its inhibitors may become anticancer agents in human RCC.
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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/Arachidonate 12-Lipoxygenase,
http://linkedlifedata.com/resource/pubmed/chemical/Enzyme Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/Flavanones,
http://linkedlifedata.com/resource/pubmed/chemical/Flavonoids,
http://linkedlifedata.com/resource/pubmed/chemical/Lipoxygenase Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/baicalein
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
1107-3756
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
13
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
41-6
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pubmed:dateRevised |
2010-11-18
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pubmed:meshHeading |
pubmed-meshheading:14654968-Apoptosis,
pubmed-meshheading:14654968-Arachidonate 12-Lipoxygenase,
pubmed-meshheading:14654968-Carcinoma, Renal Cell,
pubmed-meshheading:14654968-Enzyme Inhibitors,
pubmed-meshheading:14654968-Flavanones,
pubmed-meshheading:14654968-Flavonoids,
pubmed-meshheading:14654968-Humans,
pubmed-meshheading:14654968-Immunohistochemistry,
pubmed-meshheading:14654968-Lipoxygenase Inhibitors,
pubmed-meshheading:14654968-Reverse Transcriptase Polymerase Chain Reaction
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pubmed:year |
2004
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pubmed:articleTitle |
Expression of 12-lipoxygenase in human renal cell carcinoma and growth prevention by its inhibitor.
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pubmed:affiliation |
Department of Urology, Osaka City Graduate School of Medicine, 1-4-3 Asahi-machi, Abenoku, Osaka 545-8585, Japan. jasmin@med.osaka-cu.ac.jp
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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