期刊
EXPERIMENTAL CELL RESEARCH
卷 406, 期 1, 页码 -出版社
ELSEVIER INC
DOI: 10.1016/j.yexcr.2021.112735
关键词
TRIM16; EMT; Colorectal cancer; Cell migration; Ubiquitination
资金
- Natural Science Foundation of Henan Province [152300410205]
The study reveals that low expression of TRIM16 is associated with better prognosis in colorectal cancer, and its overexpression can notably inhibit cancer cell metastasis. The inhibition effect of TRIM16 on cancer metastasis is dependent on the ubiquitination of Snail protein, a key regulator of the epithelial-mesenchymal transition process, ultimately suppressing cancer progression.
Tripartite motif containing 16 (TRIM16) is a member of the tripartite motif protein family and functions as a potential tumor suppressor in several cancers. However, the specific function and clinical significance of TRIM16 in colorectal cancer (CRC) remains unclear. In this study, we observed that low TRIM16 expression was detected frequently in primary colorectal cancer (CRC) tissues and was closely associated with a better prognosis. Functional studies demonstrate that TRIM16 overexpression notably inhibits the metastasis abilities of CRC in vivo and in vitro. Mechanistically, our results demonstrated that TRIM16 directly bound and ubiquitinated Snail family transcriptional repressor 1 (Snail), an important transcriptional factor of the epithelial-mesenchymal transition (EMT) process suppressing the EMT in CRC. Additionally, our data revealed that the inhibition effect of TRIM16 on cancer metastasis was dependent on Snail degradation. Collectively, our study is the first to report that TRIM16 plays a crucial anti-tumor role in CRC tumorigenesis. We also provided novel evidence that TRIM16 might act as a prognostic and therapeutic target to assess and inhibit CRC progression.
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