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Overexpression of S3 ribosomal protein gene is involved in drug resistance in K562/DOX cells / 中华血液学杂志
Chinese Journal of Hematology ; (12): 141-143, 2003.
Artículo en Chino | WPRIM | ID: wpr-354900
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the effect of overexpression of S3 ribosomal protein (S3rp) gene on the resistance of leukemia cell to antitumor drugs.</p><p><b>METHODS</b>Both sense and antisense cDNA recombinants of S3rp gene were constructed with pcDNA3.1 expression vector. Subsequently, the sense S3rp cDNA recombinant was transfected into K562 cells while the antisense one into K562/DOX cells (a multidrug resistant cell line). In addition, empty pcDNA3.1 vector was transfected into the corresponding cells as negative controls. The chemosensitivity of cells was evaluated by MTT assay.</p><p><b>RESULTS</b>Sense S3rp cDNA transfected K562 cells were 5.8 times more resistant to doxorubicin than control cells did, whereas antisense S3rp cDNA transfected K562/DOX cells were 3.2 times less resistant to doxorubicin than control cells did.</p><p><b>CONCLUSION</b>Overexpression of S3rp gene plays an important role in the development of drug resistance in K562/DOX cells.</p>
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Farmacología / Plásmidos / Proteínas Ribosómicas / Transfección / Leucemia / Doxorrubicina / Expresión Génica / ADN sin Sentido / ADN Complementario Límite: Humanos Idioma: Chino Revista: Chinese Journal of Hematology Año: 2003 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Farmacología / Plásmidos / Proteínas Ribosómicas / Transfección / Leucemia / Doxorrubicina / Expresión Génica / ADN sin Sentido / ADN Complementario Límite: Humanos Idioma: Chino Revista: Chinese Journal of Hematology Año: 2003 Tipo del documento: Artículo