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Copyright (c) 2023 Hailong Liu, Ping Xiang, Wenhao Miao, Haitao Liu, Haibo Shen, Song Xue
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
The undersigned hereby assign all rights, included but not limited to copyright, for this manuscript to CMB Association upon its submission for consideration to publication on Cellular and Molecular Biology. The rights assigned include, but are not limited to, the sole and exclusive rights to license, sell, subsequently assign, derive, distribute, display and reproduce this manuscript, in whole or in part, in any format, electronic or otherwise, including those in existence at the time this agreement was signed. The authors hereby warrant that they have not granted or assigned, and shall not grant or assign, the aforementioned rights to any other person, firm, organization, or other entity. All rights are automatically restored to authors if this manuscript is not accepted for publication.Analysis of the Regulatory Effect of ACTG2 on Biological Behavior of Bladder Cancer Cells Based on Database Screening
Corresponding Author(s) : Song Xue
Cellular and Molecular Biology,
Vol. 69 No. 1: Issue 1
Abstract
To identify genes aberrantly expressed in bladder cancer (BC) in the GEO dataset GSE 52519, and analyze the impact of abnormal Actin Gamma 2, Smooth Muscle (ACTG2) expression on BC cells. GSE 52519, a public dataset in the Gene expression omnibus (GEO) database, was selected for differential expression analysis. Differentially expressed ACTG2 vectors were selected to construct the aberrant expression vectors and transfected into BC T24 and J82 cells. The influences of ACTG2 on BC cell biological behavior were determined by cell cloning, Transwell and flow cytometry, and alterations in cell cycle status were observed. A total of 166 DEGs were found in the GSE 52519 dataset, among which ACTG2 was abnormally low in expression. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses identified that the keywords involved mainly included “extracellular region”, “cytoskeleton”, “Vascular smooth muscle contraction”, “IL-17 signaling pathway”, etc. Further, through online data analysis, ACTG2 was also found to be under-expressed in neoplastic diseases such as bladder urothelial carcinoma (BLCA) and prostate adenocarcinoma (PRAD). In vitro, ACTG2 presented lower expression in T24 and J82 than in SV-HUC-1 (P<0.05). Enhanced capacities to proliferate and invade and reduced apoptosis of T24 and J82 were found after silencing ACTG2 expression, with shortened G0-G1 phase and prolonged S phase (P<0.05). However, overexpressing ACTG2 came with decreased BC cell activity, enhanced apoptosis, as well as prolonged G0-G1 phase and shortened S phase (P<0.05). In conclusion, low expression of ACTG2 in BC can shorten the G0-G1 phase of BC cells, prolong the S-phase.
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