MicroRNA-421 inhibits caspase-10 expression and promotes breast cancer progression

作者:Hu, T. B.; Chen, H. S.*; Cao, M. Q.; Guo, F. D.; Cheng, X. Y.; Han, Z. B.; Li, M. Q.
来源:Neoplasma, 2018, 65(1): 49-54.
DOI:10.4149/neo_2018_170306N159

摘要

Breast cancer is one of the most prevalent and fatal diseases around the world. The mechanism of tumorigenesis in breast cancer remains to be clarified. miR-421 plays an oncogenic role in many cancers. Although, the clinical significance of miR-421 in patients with breast cancer is still to he investigated. Caspase-10 is one of the initiator of apoptosis. But the relationship between miR-421 and caspase-10 has not been investigated. In the present study, we found that miR-421 was expressed much higher in breast cancer tissues compared to those in adjacent non-tumor tissues. Furthermore, miR-421 promotes cell proliferation and colony formation in vitro. miR-421 inhibits cell apoptosis probably through restraining caspase-10 expression. Thus, miR-421 might be a potential diagnostic maker and therapeutic target for breast cancer.