| pubmed-article:11912244 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C0162638 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C0242598 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C0521451 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C0008838 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C1704259 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C1705987 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C0205263 | lld:lifeskim |
| pubmed-article:11912244 | lifeskim:mentions | umls-concept:C1879547 | lld:lifeskim |
| pubmed-article:11912244 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:11912244 | pubmed:dateCreated | 2002-3-25 | lld:pubmed |
| pubmed-article:11912244 | pubmed:abstractText | Cisplatin, a commonly used chemotherapeutic agent, has a major limitation because of its nephrotoxicity. Recent studies have shown that cisplatin causes apoptotic cell death in renal tubule cells, but the underlying molecular mechanisms remain to be elucidated. In this study, cisplatin was found to induce apoptosis in a dose- and duration-dependent manner in cultured proximal tubule (LLC-PK1) cells, as evidenced by DNA laddering and TdT-mediated dUTP nick end-labeling assay. Pretreatment with the specific caspase 9 inhibitor LEHD-CHO completely prevented the apoptosis, whereas the caspase 8 inhibitor IETD-fmk had no effect. Furthermore, the activity of caspase 9 was upregulated about sixfold by cisplatin in a dose-dependent manner. These results implicated the caspase 9-dependent mitochondrial apoptotic pathways. Indeed, cisplatin triggered a duration-dependent translocation of cytochrome c from the mitochondria to the cytosol, by immunofluorescence and Western blots. Cisplatin treatment also resulted in the duration-dependent activation and mitochondrial translocation of the pro-apoptotic molecule Bax, by immunofluorescence. Finally, cisplatin induced a duration-dependent onset of the mitochondrial permeability transition. Our results indicate that cisplatin induces apoptosis in LLC-PK1 cells via activation of mitochondrial signaling pathways. The sequence of events may be summarized as follows: activation of Bax induces mitochondrial permeability transition, leading to release of cytochrome c, activation of caspase 9, and entry into the execution phase of apoptosis. Inhibition of this specific pathway may provide a strategy to minimize cisplatin-induced nephrotoxicity. | lld:pubmed |
| pubmed-article:11912244 | pubmed:grant | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11912244 | pubmed:language | eng | lld:pubmed |
| pubmed-article:11912244 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11912244 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:11912244 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:11912244 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:11912244 | pubmed:month | Apr | lld:pubmed |
| pubmed-article:11912244 | pubmed:issn | 1046-6673 | lld:pubmed |
| pubmed-article:11912244 | pubmed:author | pubmed-author:ParkMoon... | lld:pubmed |
| pubmed-article:11912244 | pubmed:author | pubmed-author:DevarajanPras... | lld:pubmed |
| pubmed-article:11912244 | pubmed:author | pubmed-author:De... | lld:pubmed |
| pubmed-article:11912244 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:11912244 | pubmed:volume | 13 | lld:pubmed |
| pubmed-article:11912244 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:11912244 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:11912244 | pubmed:pagination | 858-65 | lld:pubmed |
| pubmed-article:11912244 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:11912244 | pubmed:meshHeading | pubmed-meshheading:11912244... | lld:pubmed |
| pubmed-article:11912244 | pubmed:meshHeading | pubmed-meshheading:11912244... | lld:pubmed |
| pubmed-article:11912244 | pubmed:meshHeading | pubmed-meshheading:11912244... | lld:pubmed |
| pubmed-article:11912244 | pubmed:meshHeading | pubmed-meshheading:11912244... | lld:pubmed |
| pubmed-article:11912244 | pubmed:year | 2002 | lld:pubmed |
| pubmed-article:11912244 | pubmed:articleTitle | Cisplatin induces apoptosis in LLC-PK1 cells via activation of mitochondrial pathways. | lld:pubmed |
| pubmed-article:11912244 | pubmed:affiliation | Pediatric Nephrology, Children's Hospital at Montefiore, Albert Einstein College of Medicine, New York, NY, USA. | lld:pubmed |
| pubmed-article:11912244 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:11912244 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:11912244 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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