SIRT2, a direct target of miR-212-5p, suppresses the proliferation and metastasis of colorectal cancer cells.

Journal of Cellular and Molecular Medicine
Feng DuWei Wu

Abstract

The aberrant expression of human sirtuin 2 (SIRT2) has been detected in various types of cancer; however, the biological roles, underlying mechanisms and clinical significance of SIRT2 dysregulation in human colorectal cancer (CRC) remain unclear. The results of this study demonstrate that compared with paired normal tissues, SIRT2 expression is significantly decreased in CRC tissues. SIRT2 loss has been correlated with clinicopathological characteristics, including distant metastasis, lymph node metastasis and American Joint Committee on Cancer (AJCC) stage; this loss serves as an independent factor that indicates a poor prognosis for patients with CRC. Further gain- and loss-of-function analyses have demonstrated that SIRT2 suppresses CRC cell proliferation and metastasis both in vivo and in vitro. Mechanistically, miR-212-5p was identified to directly target the SIRT2 3'-untranslated region (3'-UTR), leading to SIRT2 down-regulation. The ectopic expression of SIRT2 reverses the effect of miR-212-5p overexpression on CRC cell colony formation, invasion, migration and proliferation. Clinically, an inverse correlation was found between miR-212-5p and SIRT2 expression. High miR-212-5p expression has been found to result in a poo...Continue Reading

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Citations

May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Sepideh MirzaeiKwang-Seok Ahn
Apr 14, 2021·Annual Review of Biochemistry·Miao Wang, Hening Lin
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Methods Mentioned

BETA
biopsy
transfection
PCR
Assay
flow cytometry
electrophoresis
xenografts

Software Mentioned

miRWalk
CellQuest Pro
TargetScanHuman
SPSS
Image Lab

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