期刊
PHYTOTHERAPY RESEARCH
卷 35, 期 11, 页码 6389-6400出版社
WILEY
DOI: 10.1002/ptr.7292
关键词
Angiogenesis; Asiatic acid; Breast cancer; Metastasis; Vascular permeability; VEGF
资金
- Basic Research Program of Administration of Liaoning Provincial Education [JYTJCZR201906]
- Liaoning Distinguished Professor Project [XLYC1802113]
- Natural Science Foundation of Liaoning Province [20180550044]
Asiatic acid (AA) has demonstrated inhibitory effects on angiogenesis in breast cancer models both in vitro and in vivo, potentially through downregulating the VEGF/VEGFR2 signal axis to inhibit cancer growth and metastasis.
Anti-angiogenic medicines have been evaluated as anticancer therapies, however, their use remains limited in clinical practice due to associated adverse effects. Asiatic acid (AA) is known to have broad-spectrum anticancer properties, however, its effects on angiogenesis in breast cancer remain to be fully established. In this study, we analyzed the inhibitory effects of AA on angiogenesis using human umbilical vein endothelial cells (HUVECs) cultured in vitro and on the growth and metastasis of a subcutaneous breast cancer 4T1 tumor model and a lung metastasis model in vivo. AA significantly inhibited HUVECs proliferation, migration, and tube formation in vitro. In vivo, AA significantly reduced the microvascular density and blood vascular permeability in breast cancer tumors and inhibited growth and lung metastasis. AA inhibited the expression of vascular endothelial growth factor (VEGF) in HUVECs and subsequently downregulated the phosphorylation of vascular endothelial growth factor receptor 2 (VEGFR2) and its downstream target proteins including ERK1/2, Src, and FAK. These results indicate that AA significantly inhibits angiogenesis and blood vessel permeability through the VEGF/VEGFR2 signal axis to inhibit the growth and metastasis of breast cancer. Our data strongly demonstrate the potential applications of AA in the treatment of breast cancer.
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