• Sandy Vitria Kurniawan Biomedical Sciences Postgraduate Program, Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia. Department of Pharmacology and Pharmacy, Faculty of Medicine, Atma Jaya Catholic University, Jakarta 12930, Indonesia
  • Lies Sugiarti Biomedical Sciences Postgraduate Program, Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia.
  • Septelia Inawati Wanandi Department of Biochemistry and Molecular Biology, Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia.
  • Melva Louisa Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta 10430, Indonesia.


Objective: This study was designed to analyze the role of piperine in modulating P-glycoprotein mRNA expression when added in combination with
tamoxifen to breast cancer cells in culture.
Methods: MCF-7 breast cancer cells were treated with 1 μM tamoxifen with or without piperine (12.5, 25, or 50 μM) or verapamil 50 μM (P-glycoprotein
inhibitor positive control) for up to 12 days. We assessed the cell viability and isolated total RNA from them. We quantified P-glycoprotein expressions
using quantitative reverse transcription polymerase chain reaction.
Results: Administration of various doses of piperine decreased MCF-7 breast cancer cell viability. Piperine, when given in combination with tamoxifen,
decreased the expression of P-glycoprotein mRNA in cells compared with the expression in cells treated with tamoxifen only. The effects were shown
to be dose dependent.
Conclusion: Piperine prevents the development of breast cancer cell tamoxifen resistance, probably through its inhibition of P-glycoprotein expression.

Keywords: P-glycoprotein, Piperine, Tamoxifen.


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How to Cite
Kurniawan, S. V., Sugiarti, L., Wanandi, S. I., & Louisa, M. (2018). PIPERINE IN THE PREVENTION OF THE DECREASED TAMOXIFEN SENSITIVITY IN MCF-7 BREAST CANCER CELL LINE. International Journal of Applied Pharmaceutics, 10(1), 335-337. https://doi.org/10.22159/ijap.2018.v10s1.74
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