| pubmed-article:9478987 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0678222 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0242606 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C1518174 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0596402 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0752312 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0017725 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C1819041 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C0127400 | lld:lifeskim |
| pubmed-article:9478987 | lifeskim:mentions | umls-concept:C1515926 | lld:lifeskim |
| pubmed-article:9478987 | pubmed:issue | 9 | lld:pubmed |
| pubmed-article:9478987 | pubmed:dateCreated | 1998-3-25 | lld:pubmed |
| pubmed-article:9478987 | pubmed:abstractText | We previously observed that glucose deprivation induces cell death in multidrug-resistant human breast carcinoma cells (MCF-7/ADR). As a follow up we wished to test the hypothesis that metabolic oxidative stress was the causative process or at least the link between causative processes behind the cytotoxicity. In the studies described here, we demonstrate that mitogen-activated protein kinase (MAPK) was activated within 3 min of being in glucose-free medium and remained activated for 3 h. Glucose deprivation for 2-4 h also caused oxidative stress as evidenced by a 3-fold greater steady state concentration of oxidized glutathione and a 3-fold increase in pro-oxidant production. Glucose and glutamate treatment rapidly suppressed MAPK activation and rescued cells from cytotoxicity. Glutamate and the peroxide scavenger, pyruvate, rescued the cells from cell killing as well as suppressed pro-oxidant production. In addition the thiol antioxidant, N-acetyl-L-cysteine, rescued cells from glucose deprivation-induced cytotoxicity and suppressed MAPK activation. These results suggest that glucose deprivation-induced cytotoxicity and alterations in MAPK signal transduction are mediated by oxidative stress in MCF-7/ADR. These results also support the speculation that a common mechanism of glucose deprivation-induced cytotoxicity in mammalian cells may involve metabolic oxidative stress. | lld:pubmed |
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| pubmed-article:9478987 | pubmed:language | eng | lld:pubmed |
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| pubmed-article:9478987 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:9478987 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:9478987 | pubmed:month | Feb | lld:pubmed |
| pubmed-article:9478987 | pubmed:issn | 0021-9258 | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:CorryP MPM | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:ChenJ CJC | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:LeeY JYJ | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:DavisB HBH | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:SpitzD RDR | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:BernsC MCM | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:GaloforoS SSS | lld:pubmed |
| pubmed-article:9478987 | pubmed:author | pubmed-author:SimJ EJE | lld:pubmed |
| pubmed-article:9478987 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:9478987 | pubmed:day | 27 | lld:pubmed |
| pubmed-article:9478987 | pubmed:volume | 273 | lld:pubmed |
| pubmed-article:9478987 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:9478987 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:9478987 | pubmed:pagination | 5294-9 | lld:pubmed |
| pubmed-article:9478987 | pubmed:dateRevised | 2009-11-19 | lld:pubmed |
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| pubmed-article:9478987 | pubmed:year | 1998 | lld:pubmed |
| pubmed-article:9478987 | pubmed:articleTitle | Glucose deprivation-induced cytotoxicity and alterations in mitogen-activated protein kinase activation are mediated by oxidative stress in multidrug-resistant human breast carcinoma cells. | lld:pubmed |
| pubmed-article:9478987 | pubmed:affiliation | Department of Radiation Oncology, William Beaumont Hospital, Royal Oak, Michigan 48073, USA. | lld:pubmed |
| pubmed-article:9478987 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:9478987 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:9478987 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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