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In vitro ability of Staphylococcus aureus isolates from bacteraemic patients with and without metastatic complications to invade vascular endothelial cells
DC Field | Value | Language |
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dc.contributor.author | Park, Wan Beom | - |
dc.contributor.author | Kim, Sung Han | - |
dc.contributor.author | Kang, Cheol-in | - |
dc.contributor.author | Cho, Jae Hyun | - |
dc.contributor.author | Bang, Ji Whan | - |
dc.contributor.author | Park, Kyoung Wha | - |
dc.contributor.author | Lee, Yeong Seon | - |
dc.contributor.author | Kim, Nam Joong | - |
dc.contributor.author | Oh, Myoung-don | - |
dc.contributor.author | Kim, Hong Bin | - |
dc.contributor.author | Choe, Kang Won | - |
dc.date.accessioned | 2010-01-05T07:28:16Z | - |
dc.date.available | 2010-01-05T07:28:16Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | J Med Microbiol 56, 1290-1295 | en |
dc.identifier.issn | 0022-2615 (Print) | - |
dc.identifier.uri | http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17893163 | - |
dc.identifier.uri | https://hdl.handle.net/10371/25580 | - |
dc.description.abstract | Invasion of vascular endothelial cells is thought to be a critical step in the development of metastatic infections in patients with Staphylococcus aureus bacteraemia. This study was designed to evaluate the association between the ability to invade endothelial cells and metastatic infection by S. aureus. Patients with metastatic infection were identified among those with community-acquired S. aureus bacteraemia in a tertiary referral hospital. Patients with simple bacteraemia caused by S. aureus over the same period served as the control group. The ability of each clinical isolate to invade endothelial cells was evaluated by counting the number of intracellular organisms 1 h after inoculation onto human umbilical vein endothelial cells in vitro. The cytotoxic activity of intracellular S. aureus was determined 24 h after internalization, and expressed as the percentage of cells killed. The clinical isolates varied in invasiveness and cytotoxicity. The median invasiveness, relative to S. aureus reference strain ATCC 29213, was 145 % in the cases (n=10) [interquartile range (IQR) 103-160] and 153 % (IQR 111-173) in the controls (n=11; P=0.44). The median cytotoxicity was 59.4 % (IQR 47-68) in the cases and 65.2 % (IQR 50-74) in the controls (P=0.44). Differences in the ability of S. aureus to invade and destroy vascular endothelial cells in vitro were not associated with the development of metastatic complications in patients with S. aureus bacteraemia. This implies that the invasiveness and toxicity of S. aureus for endothelial cells may not be major determinants of metastatic infection. | en |
dc.description.sponsorship | The work
was supported by grant no. 02-05-026 from the research fund of Seoul National University Bundang Hospital. | en |
dc.language.iso | en | en |
dc.publisher | Society for General Microbiology | en |
dc.subject | Aged | en |
dc.subject | Bacteremia/*microbiology | en |
dc.subject | Colony Count, Microbial | en |
dc.subject | Community-Acquired Infections/microbiology | en |
dc.subject | Cytoplasm/microbiology | en |
dc.subject | Endothelial Cells/*microbiology | en |
dc.subject | Staphylococcal Infections/*microbiology | en |
dc.subject | Staphylococcus aureus/isolation & purification/*pathogenicity | en |
dc.title | In vitro ability of Staphylococcus aureus isolates from bacteraemic patients with and without metastatic complications to invade vascular endothelial cells | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 박완범 | - |
dc.contributor.AlternativeAuthor | 김성한 | - |
dc.contributor.AlternativeAuthor | 강철인 | - |
dc.contributor.AlternativeAuthor | 조재현 | - |
dc.contributor.AlternativeAuthor | 방지환 | - |
dc.contributor.AlternativeAuthor | 박경화 | - |
dc.contributor.AlternativeAuthor | 이영선 | - |
dc.contributor.AlternativeAuthor | 김남중 | - |
dc.contributor.AlternativeAuthor | 오명돈 | - |
dc.contributor.AlternativeAuthor | 김홍빈 | - |
dc.contributor.AlternativeAuthor | 최강원 | - |
dc.identifier.doi | 10.1099/jmm.0.46765-0 | - |
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