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Multiple myeloma cell line U266 apoptosis induced by velcade / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 696-699, 2006.
Artigo em Chinês | WPRIM | ID: wpr-233515
ABSTRACT
To investigate the effect of velcade on multiple myeloma cell line U266 apoptosis and its mechanism, cell viability was estimated by trypan blue dye exclusion. Annexin-V, mitochondrial transmembrane potential (delta psi m) and reactive oxygen species (ROS) labeled by DCFHDA were examined by flow cytometry, the expression of bcl-2 mRNA was detected by semi-quantitative RT-PCR. The results showed that the velcade inhibited the growth of U266 cells and reduced cell viability accompanied by appearance of morphologic characteristics of apoptosis. Velcade at 50 nmol/L increased Annexin V positivity and fluorescence intensity of DCF because of ROS generation while it decreased the delta psi m of U266 cells. Expression of anti-apoptotic gene bcl-2 mRNA also decreased. It is concluded that velcade inhibited the growth and reduce cell viability of U266 cells. Velcade can induce U266 cells apoptosis by intrinsic cell apoptotic pathway.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Pirazinas / Ácidos Borônicos / RNA Mensageiro / Apoptose / Proteínas Proto-Oncogênicas c-bcl-2 / Linhagem Celular Tumoral / Proliferação de Células / Bortezomib Limite: Humanos Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2006 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Pirazinas / Ácidos Borônicos / RNA Mensageiro / Apoptose / Proteínas Proto-Oncogênicas c-bcl-2 / Linhagem Celular Tumoral / Proliferação de Células / Bortezomib Limite: Humanos Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2006 Tipo de documento: Artigo