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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 122 - 129 (8page)
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Purpose: This study aims to investigate the specific pathogenic properties or virulent determinant characteristics of uropathogenic Escherichia coli (UPEC) as bacterial adherence in tissue culture cells in vitro and the pathogenicity in animal model in vivo.Materials and Methods: Thirty strains of E. coli were isolated from urine of patients with acute pyelonephritis. Four cell lines—HeLa cells, HEp-2 cells, A-498 cells, and J-82 cells—were used for bacterial adherence assay. Histologic examination and scanning electron microscopy examination of pyelonephritis or cystitis, which was caused by E. coli, in mice was performed.Results: Sixteen (53.3%) strains of E. coli appeared to adhere to at least one or more kinds of four cell lines, and seven strains were able to adhere to all four cell lines. All of the tested E. coli strains were adhered to the mouse bladder and kidneys. The number of bacteria colonized in the kidney was greater than that of bladders in the following 5 strains of E. coli: TME104, TME107, TME113, TME306, and TME119. There was no difference in the number of bacteria colonized in the bladder and kidneys in the aspects of adherence patterns to tissue culture cells.Conclusions: Although there was no best choice cell lines in the adherence assay to identify the adherence patterns, combined assays of in vitro cell culture and in vivo model of mouse urinary tract infection appeared to be efficient methods to investigate the role of bacterial adherence in the pathogenesis of UPEC.
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참고문헌 (18)
참고문헌 신청
Boll EJ / 2013 / Role of enteroaggregative Escherichia coli virulence factors in uropathogenesis / Infect Immun 81 : 1164 ~ 1171
Brauner A / 1990 / Production of cytotoxic necrotizing factor, verocytotoxin and haemolysin by pyelonephritogenic Escherichia coli / Eur J Clin Microbiol Infect Dis 9 : 762
Cravioto A / 1979 / An ahresive factor found in strains of Escherichia coli belonging to the traditional infantile enteropathogenic serotypes / Curr Microbiol 3 : 95 ~ 99
Donnenberg MS / 1992 / Enteropathogenic Escherichia coli / Infect Immun 60 : 3953 ~ 3961
Hagberg L / 1983 / Ascending, unobstructed urinary tract infection in mice caused by pyelonephritogenic Escherichia coli of human origin / Infect Immun 40 : 273 ~ 283
Brauner A / 1990 / Production of cytotoxic necrotizing factor, verocytotoxin and haemolysin by pyelonephritogenic Escherichia coli / Eur J Clin Microbiol Infect Dis 9 : 762
Cravioto A / 1979 / An ahresive factor found in strains of Escherichia coli belonging to the traditional infantile enteropathogenic serotypes / Curr Microbiol 3 : 95 ~ 99
Donnenberg MS / 1992 / Enteropathogenic Escherichia coli / Infect Immun 60 : 3953 ~ 3961
Hagberg L / 1983 / Ascending, unobstructed urinary tract infection in mice caused by pyelonephritogenic Escherichia coli of human origin / Infect Immun 40 : 273 ~ 283
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