Natural Product Sciences

The Korean Society of Pharmacognosy (한국생약학회)
권호 표지

P-Glycoprotein Inhibitory Activity of Indonesian Medicinal Plants in Human Breast Cancer Cells

  • Published : 2004.12.30
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Abstract

In order to examine their effects on the P-glycoprotein (P-gp) activity in human breast cancer cells, MCF-7/ADR, one hundred Indonesian plant extracts were screened. Among them, the five chloroform extracts of Calotropis gigantea, Curcuma aeruginosa, Merremia mammosa, Sindora sumatrana, and Zingiber cassumunar, showed the most potent P-gp inhibitory activity. When each of these extracts was treated together with the anticancer agent, daunomycin, they increased the cytotoxic activity of daunomycin up to $IC_{50}$ values of less than $6.62\;{\mu}M$, which is a value with a positive control, verapamil. Also, other 15 plant extracts exhibited significant P-gp inhibitory activity with $IC_{50}$ values between 6.62 and $13.20\;{\mu}M$. These prospective samples will be subjected to further laboratory phytochemical investigation to find active principles.

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References

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