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Article

Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin

  • Authors:
    • Vasyl F. Chekhun
    • Natalia Yu. Lukyanova
    • Аnatoliy P. Burlaka
    • Natalia A. Bezdenezhnykh
    • Svitlana I. Shpyleva
    • Volodymyr P. Tryndyak
    • Frederick A. Beland
    • Igor P. Pogribny
  • View Affiliations / Copyright

    Affiliations: Department of Mechanisms of Anticancer Therapy, R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, Kiev, Ukraine, Division of Biochemical Toxicology, National Center for Toxicological Research, US Food and Drug Administration, Jefferson, AR 72079, USA
  • Pages: 1481-1486
    |
    Published online on: August 20, 2013
       https://doi.org/10.3892/ijo.2013.2063
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Abstract

The development of resistance of cancer cells to therapeutic agents is the major obstacle in the succesful treatment of breast cancer and the main cause of breast cancer recurrence. The results of several studies have demonstrated an important role of altered cellular iron metabolism in the progression of breast cancer and suggested that iron metabolism may be involved in the acquisition of a cancer cell drug-resistant phenotype. In the present study, we show that human MCF-7 breast cancer cells with an acquired resistance to the chemotherapeutic drugs doxorubicin (MCF-7/DOX) and cisplatin (MCF-7/CDDP) exhibited substantial alterations in the intracellular iron content and levels of iron-regulatory proteins involved in the cellular uptake, storage and export of iron, especially in profoundly increased levels of ferritin light chain (FTL) protein. The increased levels of FTL in breast cancer indicate that FTL may be used as a diagnostic and prognostic marker for breast cancer. Additionally, we demonstrate that targeted downregulation of FTL protein by the microRNA miR-133a increases sensitivity of MCF-7/DOX and MCF-7/CDDP cells to doxorubicin and cisplatin. These results suggest that correction of iron metabolism abnormalities may substantially improve the efficiency of breast cancer treatment.
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Copy and paste a formatted citation
Spandidos Publications style
Chekhun VF, Lukyanova NY, Burlaka АP, Bezdenezhnykh NA, Shpyleva SI, Tryndyak VP, Beland FA and Pogribny IP: Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin. Int J Oncol 43: 1481-1486, 2013.
APA
Chekhun, V.F., Lukyanova, N.Y., Burlaka, А.P., Bezdenezhnykh, N.A., Shpyleva, S.I., Tryndyak, V.P. ... Pogribny, I.P. (2013). Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin. International Journal of Oncology, 43, 1481-1486. https://doi.org/10.3892/ijo.2013.2063
MLA
Chekhun, V. F., Lukyanova, N. Y., Burlaka, А. P., Bezdenezhnykh, N. A., Shpyleva, S. I., Tryndyak, V. P., Beland, F. A., Pogribny, I. P."Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin". International Journal of Oncology 43.5 (2013): 1481-1486.
Chicago
Chekhun, V. F., Lukyanova, N. Y., Burlaka, А. P., Bezdenezhnykh, N. A., Shpyleva, S. I., Tryndyak, V. P., Beland, F. A., Pogribny, I. P."Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin". International Journal of Oncology 43, no. 5 (2013): 1481-1486. https://doi.org/10.3892/ijo.2013.2063
Copy and paste a formatted citation
x
Spandidos Publications style
Chekhun VF, Lukyanova NY, Burlaka АP, Bezdenezhnykh NA, Shpyleva SI, Tryndyak VP, Beland FA and Pogribny IP: Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin. Int J Oncol 43: 1481-1486, 2013.
APA
Chekhun, V.F., Lukyanova, N.Y., Burlaka, А.P., Bezdenezhnykh, N.A., Shpyleva, S.I., Tryndyak, V.P. ... Pogribny, I.P. (2013). Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin. International Journal of Oncology, 43, 1481-1486. https://doi.org/10.3892/ijo.2013.2063
MLA
Chekhun, V. F., Lukyanova, N. Y., Burlaka, А. P., Bezdenezhnykh, N. A., Shpyleva, S. I., Tryndyak, V. P., Beland, F. A., Pogribny, I. P."Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin". International Journal of Oncology 43.5 (2013): 1481-1486.
Chicago
Chekhun, V. F., Lukyanova, N. Y., Burlaka, А. P., Bezdenezhnykh, N. A., Shpyleva, S. I., Tryndyak, V. P., Beland, F. A., Pogribny, I. P."Iron metabolism disturbances in the MCF-7 human breast cancer cells with acquired resistance to doxorubicin and cisplatin". International Journal of Oncology 43, no. 5 (2013): 1481-1486. https://doi.org/10.3892/ijo.2013.2063
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