FAST1 promotes the migration and invasion of colorectal cancer cells.

BACKGROUND:The forkhead activin signal transducer 1 (FAST1) is involved in several oncogenic signaling pathways and its abnormal expression has been discovered in some cancers. Yet the role of FAST1 in colorectal cancer (CRC) remains largely unclear. Therefore, the goal of this study was to explore the function of FAST1 in CRC. METHODS:In this study, we analyzed FAST1 expression and its relationship with clinicopathological parameters and prognostic significance in CRC via immunohistochemistry analysis. The effects and mechanisms of FAST1 on cell proliferation, migration and invasion were explored in vitro and in vivo. RESULTS:We found that increased FAST1 as an independent prognostic factor was positively associated with TNM stage and pathological grade in CRC. FAST1 overexpression promoted the CRC cell proliferation, migration and invasion in vivo. Furthermore, mechanistic studies implicated that FAST1 enhanced the pulmonary metastasis of CRC cells through down-regulating E-cadherin levels. CONCLUSIONS:In summary, FAST1 was significantly associated with CRC progression and could serve as an independent prognostic factor. FAST1 may be potential therapeutic target for CRC patients.

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