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An Orthotopic Mouse Model of Spontaneous Breast Cancer Metastasis
Published on: August 14, 2016
Phyto-polyphenols as potential inhibitors of breast cancer metastasis
Dimiter Avtanski1,2, Leonid Poretsky3
1Gerald J. Friedman Diabetes Institute at Lenox Hill Hospital, Northwell Health, New York, NY, 10022, USA. davtanski@northwell.edu.
Abstract:
Breast cancer is the most common cancer among women as metastasis is currently the main cause of mortality. Breast cancer cells undergoing metastasis acquire resistance to death signals and increase of cellular motility and invasiveness.Plants are rich in polyphenolic compounds, many of them with known medicinal effects. Various phyto-polyphenols have also been demonstrated to suppress cancer growth. Their mechanism of action is usually pleiotropic as they target multiple signaling pathways regulating key cellular processes such as proliferation, apoptosis and differentiation. Importantly, some phyto- polyphenols show low level of toxicity to untransformed cells, but selective suppressing effects on cancer cells proliferation and differentiation.In this review, we summarize the current information about the mechanism of action of some phyto-polyphenols that have demonstrated anti-carcinogenic activities in vitro and in vivo. Gained knowledge of how these natural polyphenolic compounds work can give us a clue for the development of novel anti-metastatic agents.
Insights
Phyto-polyphenols, natural compounds from plants, show promise in fighting breast cancer metastasis. These compounds selectively target cancer cells, offering potential for developing new anti-cancer drugs with fewer side effects.
Area of Science:
- Oncology and Natural Product Chemistry
- Investigating plant-derived compounds for therapeutic applications
Background:
- Breast cancer metastasis is a primary cause of mortality in women, characterized by increased cancer cell motility and resistance to cell death.
- Phyto-polyphenols, abundant in plants, possess known medicinal properties and have demonstrated anti-cancer effects.
- These natural compounds often exhibit pleiotropic mechanisms, impacting multiple cellular pathways involved in cancer progression.
Purpose of the Study:
- To review and summarize the mechanisms of action of phyto-polyphenols with demonstrated anti-carcinogenic activities.
- To explore the potential of these natural compounds as novel anti-metastatic agents for breast cancer treatment.
Main Methods:
- Comprehensive literature review of in vitro and in vivo studies on phyto-polyphenols and breast cancer.
- Analysis of signaling pathways targeted by phyto-polyphenols, including proliferation, apoptosis, and differentiation.
- Evaluation of the selective toxicity of phyto-polyphenols towards cancer cells versus normal cells.
Main Results:
- Certain phyto-polyphenols exhibit selective suppression of breast cancer cell proliferation and differentiation.
- These compounds demonstrate low toxicity to untransformed cells, highlighting their potential for targeted therapy.
- Mechanisms involve pleiotropic actions on key cellular processes regulating cancer growth and spread.
Conclusions:
- Phyto-polyphenols represent a promising class of natural compounds for developing novel breast cancer anti-metastatic agents.
- Understanding their multi-targeted mechanisms can guide the design of more effective and safer cancer therapies.
- Further research into these natural compounds could lead to significant advancements in breast cancer treatment strategies.
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