Abstract
Breast cancer is the leading cause of cancer-related death among females. The global morbidity and mortality associated with breast cancer have recently been increasing. Surgery, radiation therapy, chemotherapy, endocrine therapy and biotargeted therapy, alone or in combination, are commonly used for breast cancer treatment. However, diverse side effects can be caused by the current treatments. Natural products derived from plants have almost no toxicity and side effects, with many functions and therapeutic activities. Many preclinical studies have reported the potential of natural products to enhance the effects of chemotherapy drugs in breast cancer treatment. The combined effects of these treatments in breast cancer are summarized in this review, as well as the in vivo and in vitro mechanisms. Natural products enhanced anti-cancer effects and apoptosis via the EGFR, PI3K-Akt, Wnt and other pathways. The toxicity, side effects, and drug resistance were reduced with the combination therapies. The combination of chemotherapy drugs and natural products could be a promising and effective strategy to treat breast cancer.
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Abbreviations
- ABC transporters:
-
ATP-binding cassette transporters
- Akt:
-
Protein kinase B
- AMPK:
-
Adenosine 5′-monophosphate-activated protein kinase
- APBI:
-
Accelerated partial-breast irradiation
- Bax:
-
Bcl-2-like protein 4
- Bcl-2:
-
B-cell lymphoma 2
- BCRP:
-
Breast cancer resistance protein
- BCSCs:
-
Breast cancer stem cells
- CDK2:
-
Cyclin-dependent kinase 2
- CDK4:
-
Cyclin-dependent kinase 4
- CI:
-
Combination index
- EGFR:
-
Epidermal growth factor receptor
- ER:
-
Estrogen receptor
- ERK1/2:
-
Extracellular regulated protein kinase 1/2
- ERα:
-
Estrogen receptor alpha
- ERβ2:
-
Estrogen receptor beta 2
- FAK:
-
Focal adhesion kinase
- Fas:
-
Fas receptor
- GST:
-
Glutathione-S-transferase
- HER-2:
-
Human epidermal growth factor receptor-2
- HER-2+:
-
Human epidermal growth factor receptor-2-positive
- HIF-1:
-
Alpha hypoxia-inducible factor-1
- iPLA2 :
-
Independent phospholipase A2
- IκBα:
-
Inhibitor of NF-κB alpha
- MMP-9:
-
Matrix metalloproteinase-9
- MRP1:
-
Multidrug resistance-associated protein 1
- mTOR:
-
Mammalian target of rapamycin
- NCCN:
-
National comprehensive cancer network
- NF-κB:
-
Nuclear factor-κB
- PARP-1:
-
Poly ADP-ribose polymerase
- P-gp:
-
P-glycoprotein
- PI3k:
-
Phosphoinositide 3 kinase
- PR:
-
Progesterone receptor
- Rb:
-
Retinoblastoma
- ROS:
-
Reactive oxygen species
- STAT3:
-
Signal transducer and activator of transcription 3
- TNBC:
-
Triple-negative breast cancer
- Twist1:
-
Twist-related protein 1
- WBI:
-
Whole-breast irradiation
- Wnt:
-
Wingless/integrated
- p-ERK1/2:
-
Phosphorylated extracellular signal-regulated kinase 1/2
- p-AKT:
-
Phosphorylated protein kinase B
- AIF:
-
Apoptosis-inducing factor
- ABCG2:
-
ATP-binding cassette super-family G member 2
- EZH2:
-
Enhancer of zeste homolog 2
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This study was funded by the Asia–Pacific Cancer Research Foundation and the National Key Research and Development Program of China (2017YFC0113305).
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Zhang, Y., Li, H., Zhang, J. et al. The combinatory effects of natural products and chemotherapy drugs and their mechanisms in breast cancer treatment. Phytochem Rev 19, 1179–1197 (2020). https://doi.org/10.1007/s11101-019-09628-w
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DOI: https://doi.org/10.1007/s11101-019-09628-w