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Implications of Withaferin-A for triple-negative breast cancer chemoprevention
Harshini Mallipeddi1, Anita Thyagarajan1, Ravi P Sahu1
1Department of Pharmacology and Toxicology, Boonshoft School of Medicine at Wright State University, Dayton, OH, 45435, United States.
Abstract:
Triple-negative breast cancer (TNBC) accounts for about 15 % of all breast cancer cases, and unlike other malignancies, it lacks definite prognostic markers. While improved survival responses have been documented with the ongoing therapeutic approaches, the development of tumor resistance mechanisms to these treatment options pose major challenges in the treatment of TNBC. Notably, naturally occurring medicinal compounds have been studied extensively for their anti-neoplastic activities in cancer models including breast cancer due to their safe and non-deleterious effects. Among various dietary compounds, Withaferin-A (WA), a phytochemical derived from an ayurvedic medicinal plant, Withania somnifera has been characterized to possess anti-inflammatory and anti-cancer properties. Importantly, multiple studies have shown that WA exhibits promising anti-tumoral activities against in-vitro and in-vivo experimental models of TNBC and that its combination has been documented to enhance chemotherapy efficacy. The current review highlights the mechanistic insights with recent updates including the pharmacokinetics parameters and implications of WA against breast cancer with major emphasis on TNBC.
Insights
Withaferin-A (WA), a natural compound, shows promise in treating triple-negative breast cancer (TNBC). It exhibits anti-cancer effects and enhances chemotherapy efficacy, offering new therapeutic avenues for this challenging malignancy.
Area of Science:
- Oncology
- Pharmacology
- Natural Product Chemistry
Background:
- Triple-negative breast cancer (TNBC) lacks specific prognostic markers and develops resistance to therapies.
- Naturally occurring compounds are explored for anti-cancer properties due to their safety and efficacy.
- Withaferin-A (WA), a phytochemical from Withania somnifera, possesses anti-inflammatory and anti-cancer activities.
Purpose of the Study:
- To review the mechanistic insights and recent updates on Withaferin-A (WA) in breast cancer, particularly TNBC.
- To highlight the anti-tumoral activities and chemotherapy-enhancing potential of WA against TNBC.
- To discuss the pharmacokinetic parameters and implications of WA in TNBC treatment.
Main Methods:
- Literature review of studies on Withaferin-A (WA) in breast cancer models.
- Analysis of in-vitro and in-vivo experimental data on WA's anti-tumoral effects.
- Examination of research on WA's combination therapy efficacy and pharmacokinetic properties.
Main Results:
- WA demonstrates significant anti-tumoral activities against experimental TNBC models.
- Combination of WA with chemotherapy enhances treatment efficacy in TNBC.
- WA exhibits promising pharmacokinetic profiles relevant for therapeutic applications.
Conclusions:
- Withaferin-A (WA) presents a viable therapeutic strategy for triple-negative breast cancer (TNBC).
- WA's ability to overcome tumor resistance mechanisms warrants further investigation.
- Further research into WA's pharmacokinetics and clinical applications is recommended for TNBC treatment.
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