Expression of Endoplasmic Reticulum Mannosyl-Oligosaccharide Α1, 2-Mannosidase Regulates Tumorigenicity of Prostate Cancer Cells
bioRxiv (Cold Spring Harbor Laboratory)(2019)
摘要
It has been previously demonstrated that glycogenes can function as important pleiotropic regulators of tumorigenesis. In this study, we investigated the function of endoplasmic reticulum mannosyl-oligosaccharide 1, 2-alpha-mannosidase (MAN1B1) on the behavior of prostate cancer cells and found that overexpression of MAN1B1 in androgen-independent PC3 cells reduced cellular migration. We extended the analysis to an androgen dependent cell line, LNCaP, and another androgen independent cell line, LNCaP-AI, observing a similar migratory phenotype. By using quantitative proteomics, we found the downregulation of vimentin expression when PC3 or LNCaP-AI cells with overexpressed MAN1B1. The current study suggests that MAN1B1 may regulate cellular migration and promote epithelial-to-mesenchymal transition (EMT) phenotype in prostate cancer cells.
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关键词
Glycosylation Mechanisms
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