期刊
CELL DEATH & DISEASE
卷 11, 期 7, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41419-020-2725-4
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资金
- Zhejiang Province Public Welfare Technology Application Research Project [LGF18H290003]
- Zhejiang Provincial Chinese Medicine Science and Technology Project [2019ZB028]
- National Natural Science Foundation of China [81402434, 81972456, 81772801, 81472455]
- Key Program of Zhejiang Province Natural Science Foundation [LZ17H160002]
- National Key R&D Program of China [2016YFC1303200]
Breast cancer is considered to be the most prevalent cancer in women worldwide, and metastasis is the primary cause of death. Protease-activated receptor 1 (PAR1) is a GPCR family member involved in the invasive and metastatic processes of cancer cells. However, the functions and underlying mechanisms of PAR1 in breast cancer remain unclear. In this study, we found that PAR1 is highly expressed in high invasive breast cancer cells, and predicts poor prognosis in ER-negative and high-grade breast cancer patients. Mechanistically, Twist transcriptionally induces PAR1 expression, leading to inhibition of Hippo pathway and activation of YAP/TAZ; Inhibition of PAR1 suppresses YAP/TAZ-induced epithelial-mesenchymal transition (EMT), invasion, migration, cancer stem cell (CSC)-like properties, tumor growth and metastasis of breast cancer cells in vitro and in vivo. These findings suggest that PAR1 acts as a direct transcriptionally target of Twist, can promote EMT, tumorigenicity and metastasis by controlling the Hippo pathway; this may lead to a potential therapeutic target for treating invasive breast cancer.
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