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National Chung Hsing University Institutional Repository - NCHUIR > 獸醫學院 > 微生物暨公共衛生學研究所 > 依資料類型分類 > 期刊論文 >  A comparative study of the interaction of Bartonella henselae strains with human endothelial cells

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/126055

標題: A comparative study of the interaction of Bartonella henselae strains with human endothelial cells
作者: Chang, Chao-Chin;Chen, Ya-Jou;Tseng, Chih-Sian;Lai, Wan-Ling;Hsu, Kai-Yang;Chang, Chao-Liang;Lu, Chi-Cheng;Hsu, Yuan-Man
Contributors: 國立中興大學微生物暨公共衛生學研究所
National Chung Hsing University,Graduate Institute of Microbiology and Public Health
Miao-zhen Luo
關鍵字: Bartonella henselae;Cellular responses;Mitochondria intrinsic apoptotic pathway
日期: 2011-4
Issue Date: 2012-10-19 15:01:07 (UTC+8)
摘要: Bartonella henselae can cause a wide range of clinical outcomes and may lead to severe disease, especially in patients with acquired immunodeficiency syndrome. It is well-known that B. henselae-induced cell proliferation is mediated by anti-apoptotic activity; however, the detailed mechanism is still unclear. In this study, the cellular responses of endothelial cells after infection with four B. henselae strains were compared and protein candidates that may be involved in the interaction between cells and bacteria were determined. The Houston-1 strain elicited the fastest response in terms of stimulating endothelial cell proliferation, and the JK-40 strain had the strongest ability to induce cell proliferation. By Western blot analysis, it was demonstrated that B. henselae-induced cell proliferation involved the mitochondria intrinsic apoptotic pathway. In addition, the adhesion abilities of the U-4 and JK-40 strains were much greater than those of the Houston-1 and JK-47 strains; however, the ability of Houston-1 to invade host cells was high. By two-dimensional gel electrophoresis analysis, it was found that succinyl-CoA synthetase subunit beta, phage-related protein, and ATP synthase subunit alpha might be involved in the invasion process. The expression of superoxide dismutase [Cu-Zn] precursor increased with infection time for all four strains but was significantly higher in the Houston-1 strain, which may increase the competitive advantage of Houston-1 in terms of survival in host cells and render it successful in invading host cells and stimulating cell proliferation. Our data suggest that the interaction of B. henselae and endothelial cells differed between strains, and the results indicated possible candidate proteins that may play a role in the pathogenesis of B. henselae infection. (C) 2010 Elsevier B.V. All rights reserved.
Relation: Veterinary Microbiology, Volume 149, Issue 1-2, Page(s) 147-156.
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 張照勤

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