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Current Molecular Medicine

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ISSN (Print): 1566-5240
ISSN (Online): 1875-5666

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Research Article

Investigation of the Anti-Cancer Effects of Free and PLGA-PAA Encapsulated Hydroxytyrosol on the MCF-7 Breast Cancer Cell Line

Author(s): Maryam Safi, Habib Onsori* and Mohammad Rahmati

Volume 22, Issue 7, 2022

Published on: 22 December, 2021

Page: [657 - 662] Pages: 6

DOI: 10.2174/1566524020666201231103826

Price: $65

Abstract

Objective: Breast cancer is the most frequent cancer among women and the most important cause of death. Surgery and chemotherapy are the common treatment of breast cancer, but increasing drug resistance has created many challenges in its treatment. The present study aimed to investigate the anti-cancer function of free and nano-encapsulated hydroxytyrosol on the MCF-7 breast cancer cell line.

Methods: The poly lactide-co-glycolide-co-polyacrylic acid (PLGA-co-PAA) nanoencapsulated Hydroxytyrosol was synthesized, and the MTT assay was performed to evaluate the anti-proliferative and anti-tumor effects of both free and nano-encapsulated Hydroxytyrosol. After the extraction of RNA from the treated and control cancer cells, cDNA synthesis was performed and the expression of P21, P27, and Cyclin D1 genes was evaluated by Real-Time PCR.

Results: The results of the study showed that free (12 ppm and 72 hours) and nanoencapsulate (10 ppm and 24 hours) hydroxytyrosol resulted in 50% death (IC50) of the cancer cells and increased by increasing the concentration and time. Also, free and nano-encapsulated hydroxytyrosol increased the expression of P21 and P27 genes and reduced the expression of Cyclin D1 in breast cancer cells. In general, the nanoencapsulated hydroxytyrosol showed more anticancer function than the free hydroxytyrosol.

Conclusion: The present study illustrated that hydroxytyrosol could lead to cell death in MCF-7 breast cancer by regulating the cell cycle. Also, the nano-encapsulation of Hydroxytyrosol enhanced the Hydroxytyrosol anticancer function by PLGA-co-PAA. However, for more accurate results, further studies on animal models are necessary.

Keywords: Breast cancer, PLGA-PAA copolymer, cell cycle, hydroxytyrosol, nano-encapsulation.

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