Prohibitin 1 inhibits cell proliferation and induces apoptosis via the p53-mediated mitochondrial pathway in vitro
作者机构：Department of Infectious DiseasesThe Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina Department of Operating RoomThe Second Affiliated Hospital of Xi’an Jiaotong UniversityXi'an 710004Shaanxi ProvinceChina
出 版 物：《World Journal of Gastrointestinal Oncology》 (世界胃肠肿瘤学杂志（英文版）（电子版）)
年 卷 期：2024年第16卷第2期
页 面：398-413页
核心收录：
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
基 金：the Key Research and Development Program of Shaanxi,No.2021SF-227 and No.2020SF-297 the Natural Science Basic Research Program of Shaanxi,No.2023-JC-YB-770
主 题：Prohibitin 1 Hepatocellular carcinoma cells Apoptosis Cell cycle Mitochondrial pathway
摘 要：BACKGROUND Prohibitin 1(PHB1)has been identified as an antiproliferative protein that is highly conserved and ubiquitously expressed,and it participates in a variety of essential cellular functions,including apoptosis,cell cycle regulation,prolifera-tion,and *** evidence indicates that PHB1 may play an important role in the progression of hepatocellular carcinoma(HCC).However,the role of PHB1 in HCC is *** To investigate the effects of PHB1 on the proliferation and apoptosis of human HCC cells and the relevant mechanisms in *** HCC patients and healthy individuals were enrolled in this study according to the inclusion and exclusion criteria;then,PHB1 levels in the sera and liver tissues of these participates were determined using ELISA,RT-PCR,and *** HepG2 and SMMC-7721 cells were transfected with the pEGFP-PHB1 plasmid and PHB1-specific shRNA(shRNA-PHB1)for 24-72 *** prolif-eration was analysed with an MTT *** cycle progression and apoptosis were analysed using flow cytometry(FACS).The mRNA and protein expression levels of the cell cycle-related molecules p21,Cyclin A2,Cyclin E1,and CDK2 and the cell apoptosis-related molecules cytochrome C(Cyt C),p53,Bcl-2,Bax,caspase 3,and caspase 9 were measured by real-time PCR and Western blot,*** Decreased levels of PHB1 were found in the sera and liver tissues of HCC patients compared to those of healthy individuals,and decreased PHB1 was positively correlated with low differentiation,TNM stage III-IV,and alpha-fetoprotein≥400μg/*** of PHB1 significantly inhibited human HCC cell proliferation in a time-dependent *** revealed that the overexpression of PHB1 arrested HCC cells in the G0/G1 phase of the cell cycle and induced *** proportion of cells in the G0/G1 phase was significantly increased and the proportion of cells in the S phase was decreased in HepG2 cells that were transfected with pEGFP-PHB1 compar
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