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In vitro demonstration of the hemolytic, cytotoxic activities and induction of apoptosis in Orientia tsutsugamushi infected L929 mouse fibroblast cells.
Southeast Asian J Trop Med Public Health ; 2003 Jun; 34(2): 352-6
Artigo em Inglês | IMSEAR | ID: sea-35849
ABSTRACT
Using cultured mouse fibroblast L929 cells, this study demonstrated the hemolytic and cytotoxic activities and induction of apoptosis in cells infected with Orientia tsutsugamushi. Low levels of hemolytic activity were detected using heavily infected cells. No hemolysin or cytotoxin were detected in the infected culture fluid regardless of the pathogenicity of the O. tsutsugamushi strains in mice. Using propidium iodide uptake assay, acridine orange/ethidium bromide staining and terminal deoxynucleotide transferase-mediated dUTP-digoxigenin nick-end labeling assay, apoptosis was observed in L929 cells infected with Karp and Gilliam strains.
Assuntos
Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Orientia tsutsugamushi / Ovinos / Linhagem Celular / Apoptose / Fatores de Virulência / Corantes / Hemólise / Animais / Camundongos Idioma: Inglês Revista: Southeast Asian J Trop Med Public Health Ano de publicação: 2003 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Orientia tsutsugamushi / Ovinos / Linhagem Celular / Apoptose / Fatores de Virulência / Corantes / Hemólise / Animais / Camundongos Idioma: Inglês Revista: Southeast Asian J Trop Med Public Health Ano de publicação: 2003 Tipo de documento: Artigo