Breast cancer exosomes contribute to pre-metastatic niche formation and promote bone metastasis of tumor cells
Xinxin Yuan, Niansong Qian, Shukuan Ling, Yuheng Li, Weijia Sun, Jianwei Li, Ruikai Du, Guohui Zhong, Caizhi Liu, Guotao Yu, Dengchao Cao, Zizhong Liu, Yinbo Wang, Zhihong Qi, Yingpeng Yao, Fang Wang, Jingjing Liu, Shanshan Hao, Xiaoyan Jin, Yinlong Zhao, Jianqi Xue, Dingsheng Zhao, Xingcheng Gao, Shuai Liang, Youyou Li, Jinping Song, Shuyang Yu, Yingxian Li
Abstract
Our results indicate that breast cancer cell-derived exosomes play an important role in promoting breast cancer bone metastasis, which is associated with the formation of pre-metastatic niche via transferring miR-21 to osteoclasts. The data from patient samples further reflect the significance of miR-21 as a potential target for clinical diagnosis and treatment of breast cancer bone metastasis.