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Effect of dendritic cells co-cultured with cytokine induced killer cells on cytotoxicity against drug resistant K562 cells / 中华血液学杂志
Chinese Journal of Hematology ; (12): 355-358, 2005.
Artigo em Chinês | WPRIM | ID: wpr-255876
ABSTRACT
<p><b>OBJECTIVE</b>To study the effect of dendritic cells (DC) co-cultured with cytokine induced killer (CIK) cells on cytotoxicity against K562 and K562 drug-resistant (K562/ADM) cells.</p><p><b>METHODS</b>Peripheral blood mononuclear cells (MNC) isolated from healthy adult donors were induced to obtain CIK cells and DC respectively and then these two kinds of cells were co-cultured. The cytotoxicity of the co-cultured cells against K562 and K562/ADM cells was measured with MTT assay.</p><p><b>RESULTS</b>The cytotoxicity CIK cells alone to K562 and K562/ADM cells was (20.0 +/- 1.2)% - (61.1 +/- 2.2)% and (17.5 +/- 2.1)% - (45.2 +/- 3.3)% respectively at low effector to target ratios (2.5 - 20.0). This effect was significantly enhanced by co-culturing with DCs being (25.2 +/- 2.3)% - (70.9 +/- 4.1)% and (22.4 +/- 2.7)% - (62.3 +/- 5.0)%.</p><p><b>CONCLUSION</b>CIK cells showed high cytotoxicity against K562 and K562/ADM cells and the activity could be enhanced by co-culturing with DC.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Células Dendríticas / Células Cultivadas / Imunofenotipagem / Técnicas de Cocultura / Células K562 / Biologia Celular / Citotoxicidade Imunológica / Proliferação de Células / Alergia e Imunologia / Células Matadoras Induzidas por Citocinas Limite: Humanos Idioma: Chinês Revista: Chinese Journal of Hematology Ano de publicação: 2005 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Células Dendríticas / Células Cultivadas / Imunofenotipagem / Técnicas de Cocultura / Células K562 / Biologia Celular / Citotoxicidade Imunológica / Proliferação de Células / Alergia e Imunologia / Células Matadoras Induzidas por Citocinas Limite: Humanos Idioma: Chinês Revista: Chinese Journal of Hematology Ano de publicação: 2005 Tipo de documento: Artigo