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Updated: Jul 25, 2025

Studying Triple Negative Breast Cancer Using Orthotopic Breast Cancer Model
Published on: March 20, 2020
Overcoming the Challenges of Phytochemicals in Triple Negative Breast Cancer Therapy: The Path Forward
Mohammed Alaouna1,2, Clement Penny2, Rodney Hull1
1SAMRC Precision Oncology Research Unit (PORU), DSI/NRF SARChI Chair in Precision Oncology and Cancer Prevention (POCP), Pan African Cancer Research Institute (PACRI), University of Pretoria, Pretoria 0001, South Africa.
Abstract:
Triple negative breast cancer (TNBC) is a very aggressive subtype of breast cancer that lacks estrogen, progesterone, and HER2 receptor expression. TNBC is thought to be produced by Wnt, Notch, TGF-beta, and VEGF pathway activation, which leads to cell invasion and metastasis. To address this, the use of phytochemicals as a therapeutic option for TNBC has been researched. Plants contain natural compounds known as phytochemicals. Curcumin, resveratrol, and EGCG are phytochemicals that have been found to inhibit the pathways that cause TNBC, but their limited bioavailability and lack of clinical evidence for their use as single therapies pose challenges to the use of these phytochemical therapies. More research is required to better understand the role of phytochemicals in TNBC therapy, or to advance the development of more effective delivery mechanisms for these phytochemicals to the site where they are required. This review will discuss the promise shown by phytochemicals as a treatment option for TNBC.
Insights
Phytochemicals show promise for treating triple-negative breast cancer (TNBC). Further research is needed to overcome bioavailability challenges and develop effective delivery for these natural compounds in TNBC therapy.
Area of Science:
- Oncology
- Pharmacology
- Natural Products Chemistry
Background:
- Triple-negative breast cancer (TNBC) is an aggressive subtype lacking key receptor expression.
- TNBC progression involves Wnt, Notch, TGF-beta, and VEGF signaling pathways, promoting invasion and metastasis.
- Phytochemicals, natural plant compounds, are being investigated for their therapeutic potential against TNBC.
Purpose of the Study:
- To review the therapeutic promise of phytochemicals for triple-negative breast cancer.
- To discuss challenges and future directions for phytochemical-based TNBC treatments.
Main Methods:
- Literature review of studies on phytochemicals and TNBC.
- Analysis of phytochemical mechanisms targeting key signaling pathways in TNBC.
- Evaluation of bioavailability and clinical evidence for phytochemicals.
Main Results:
- Specific phytochemicals like curcumin, resveratrol, and EGCG inhibit TNBC-associated pathways.
- Limited bioavailability and lack of robust clinical data hinder current phytochemical use.
- Potential for phytochemicals to target cell invasion and metastasis in TNBC.
Conclusions:
- Phytochemicals represent a promising avenue for TNBC therapy.
- Enhanced delivery systems are crucial for realizing the full therapeutic potential of phytochemicals.
- Continued research is essential to advance phytochemicals as viable TNBC treatment options.
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