| pubmed-article:11427428 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0175677 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0035588 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0225336 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0205419 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0370215 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0936012 | lld:lifeskim |
| pubmed-article:11427428 | lifeskim:mentions | umls-concept:C0392762 | lld:lifeskim |
| pubmed-article:11427428 | pubmed:issue | 4 | lld:pubmed |
| pubmed-article:11427428 | pubmed:dateCreated | 2001-6-27 | lld:pubmed |
| pubmed-article:11427428 | pubmed:abstractText | Eleven isolates of spotted fever group rickettsiae from the blood of patients or ixodid ticks from North and South America were characterized. All isolates were identified as Rickettsia rickettsii using restriction fragment length polymorphism analysis of a 532-bp rOmpA gene fragment obtained by PCR. The ability of the R. rickettsii isolates to elicit cytopathic effects and parameters of oxidative injury were examined in cultured human EA.hy 926 endothelial cells. Cytopathic effects were determined by direct observation of infected cultures, by measuring the release of cytoplasmic lactate dehydrogenase (LDH), and by determination of intracellular pools of peroxide and reduced glutathione. Four biotypes of R. rickettsii were defined. Group I included two highly cytopathic isolates from Montana, Bitterroot and Sheila Smith, and three isolates from Maryland, North Carolina, and Brazil. These isolates rapidly damaged cells, released large amounts of cytoplasmic LDH, caused accumulation of intracellular peroxide, and depleted intracellular pools of reduced glutathione. Group II contained three isolates, two from Montana, Hlp#2 and Lost Horse Canyon, and an isolate from Colombia, which were similar to group I but caused either lower responses in LDH release or smaller changes in intracellular peroxide levels. The group III isolates, Sawtooth from Montana and 84JG from North Carolina, caused lower cellular injury by all measures. Group IV isolate Price T from Montana was the least cytopathic and caused minimal alterations of all parameters measured. Understanding the molecular basis for the varied cellular injury caused by different isolates of R. rickettsii may contribute to improved treatment of Rocky Mountain spotted fever and to the rapid identification of those isolates which are more likely to cause fulminant disease. | lld:pubmed |
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| pubmed-article:11427428 | pubmed:language | eng | lld:pubmed |
| pubmed-article:11427428 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11427428 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:11427428 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:11427428 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:11427428 | pubmed:issn | 1071-412X | lld:pubmed |
| pubmed-article:11427428 | pubmed:author | pubmed-author:DaschG AGA | lld:pubmed |
| pubmed-article:11427428 | pubmed:author | pubmed-author:SilvermanD... | lld:pubmed |
| pubmed-article:11427428 | pubmed:author | pubmed-author:EremeevaM EME | lld:pubmed |
| pubmed-article:11427428 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:11427428 | pubmed:volume | 8 | lld:pubmed |
| pubmed-article:11427428 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:11427428 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:11427428 | pubmed:pagination | 788-96 | lld:pubmed |
| pubmed-article:11427428 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:11427428 | pubmed:meshHeading | pubmed-meshheading:11427428... | lld:pubmed |
| pubmed-article:11427428 | pubmed:meshHeading | pubmed-meshheading:11427428... | lld:pubmed |
| pubmed-article:11427428 | pubmed:meshHeading | pubmed-meshheading:11427428... | lld:pubmed |
| pubmed-article:11427428 | pubmed:meshHeading | pubmed-meshheading:11427428... | lld:pubmed |
| pubmed-article:11427428 | pubmed:meshHeading | pubmed-meshheading:11427428... | lld:pubmed |
| pubmed-article:11427428 | pubmed:year | 2001 | lld:pubmed |
| pubmed-article:11427428 | pubmed:articleTitle | Quantitative analyses of variations in the injury of endothelial cells elicited by 11 isolates of Rickettsia rickettsii. | lld:pubmed |
| pubmed-article:11427428 | pubmed:affiliation | Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore, Maryland, USA. mge6@cdc.gov | lld:pubmed |
| pubmed-article:11427428 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:11427428 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:11427428 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
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