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Effect of monoamine oxidase inhibitor on the differentiation of malignant glioma cell / 生物医学工程学杂志
Journal of Biomedical Engineering ; (6): 524-529, 2012.
Artigo em Chinês | WPRIM | ID: wpr-271740
ABSTRACT
To investigate the effect of monoamine oxidase inhibitor tranylcypromine (TCP) on the differentiation of human U251 glioma cells, we treated U251 cells with TCP and/or 100 nmol/L histone deacetylase inhibitor trychostatin A (TSA). The differentiation of U251 cells was observed with inverted microscopy. The cell proliferation and cell cycle distribution were determined by MTT assay and flow cytometry, respectively. Apoptosis was observed by Hoechst 33258 staining. The levels of differentiation-related genes were assessed by real-time PCR and Western blotting. TCP-induced differentiation was characterized by typical morphological changes, inhibition of cellular proliferation, accumulation of cells in the G1 phase of the cell cycle, decreased expression of the pluripotency transcription factors Oct4 and Sox2, and increased expression of glial fibrillary acid protein (GFAP). The combination of TCP and TSA treatment also triggered an over-expression of GFAP. These findings suggest that TCP may induce differentiation of U251 glioma cells, and the differentiation process may be promoted by histone deacetylase inhibitor TSA.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Tranilcipromina / Neoplasias Encefálicas / Transformação Celular Neoplásica / Linhagem Celular Tumoral / Inibidores de Histona Desacetilases / Glioma / Ácidos Hidroxâmicos / Inibidores da Monoaminoxidase Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Tranilcipromina / Neoplasias Encefálicas / Transformação Celular Neoplásica / Linhagem Celular Tumoral / Inibidores de Histona Desacetilases / Glioma / Ácidos Hidroxâmicos / Inibidores da Monoaminoxidase Limite: Humanos Idioma: Chinês Revista: Journal of Biomedical Engineering Ano de publicação: 2012 Tipo de documento: Artigo