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  • Title: [The anti-leukemic effects of imatinib, daunorubicin and bortezomib on two leukemia cell lines with Ph(+)].
    Author: Yang X, Yang L, Gong YP, Chang H, Zhou RQ, Xing HY, Zheng BH.
    Journal: Sichuan Da Xue Xue Bao Yi Xue Ban; 2010 Sep; 41(5):793-6. PubMed ID: 21302443.
    Abstract:
    OBJECTIVE: To study the proliferative inhibition effects of imatinib, daunorubicin and bortezomib on two leukemia cell lines with Ph(+), chronic myelogenous leukemia cell line K562 expressing P210 protein and acute lymphoblastic leukemia cell line SUP-B15 expressing P190 protein. METHODS: (1) The cells of the two cell lines treated with imatinib, daunorubicin and bortezomib for 72 hours were analyzed by MTT assay for proliferation. The proliferative activity was displayed by growth curve and IC50 value. (2) The bcr-abl transcriptant in the cells treated with imatinib (final concentration at 0, 0.35, 1 micromol/L) for 48 hours was detected by reverse transcription polymerase chain reaction (RT-PCR). RESULTS: (1) The IC50 values of K562 and SUP-B15 cell lines treated with imatinib, daunorubicin and bortezomib for 72 hours were respectively (0.286 +/- 0.060) micromol/L, (0.303 +/- 0.009) micromol/L, (22.127 +/- 3.592) nmol/L and (1.387 +/- 0.180) micromol/L, (0.117 +/- 0.017) micromol/L, (12.350 +/- 0.740) nmol/L. (2) There was no change of bcr-abl expression level in both cell lines after the treatment of imatinib. CONCLUSION: Imatinib, daunorubicin and bortezomib showed anti-cancer effects on Ph(+) leukemia cells in vitro. K562 cells were more sensitive to imatinib than the other two drugs, whereas SUP-B15 cells are more sensitive to daunorubicin and bortezomib. The short time intervention of imatinib has no effect on the expression of bcr-abl in Ph (+) leukemia cell lines.
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