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泛素特异性蛋白酶39在非小细胞肺癌中的表达及其对细胞增殖的影响 被引量:7
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作者 吉晓剑 杨秀林 +2 位作者 周厚荣 王文琴 许新梅 《中国现代医学杂志》 CAS 2018年第30期37-42,共6页
目的检测泛素特异性蛋白酶39(USP39)在非小细胞肺癌组织及细胞中的表达情况,并分析USP39的表达水平与85例非小细胞肺癌患者的临床病理特征的相关性,及USP39对非小细胞肺癌细胞系增殖、凋亡和周期的影响。方法利用免疫组织化学技术检测... 目的检测泛素特异性蛋白酶39(USP39)在非小细胞肺癌组织及细胞中的表达情况,并分析USP39的表达水平与85例非小细胞肺癌患者的临床病理特征的相关性,及USP39对非小细胞肺癌细胞系增殖、凋亡和周期的影响。方法利用免疫组织化学技术检测非小细胞肺癌石蜡组织标本中USP39蛋白的表达情况,分析非小细胞肺癌组织及癌旁组织中USP39的表达差异,利用Spearman秩相关分析USP39与非小细胞肺癌患者临床病理特征的相关性,利用实时荧光定量聚合酶链反应(q RT-PCR)检测非小细胞肺癌细胞系及支气管上皮样细胞系中USP39的表达,利用CCK-8实验检测USP39对非小细胞肺癌细胞增殖的影响,利用流式细胞术检测USP39对非小细胞肺癌细胞凋亡和周期的影响。结果 USP39蛋白在非小细胞肺癌组织中的阳性率高于癌旁组织(P <0.05);USP39蛋白的表达水平与非小细胞肺癌患者TNM分期呈正相关(P <0.05),而与其他临床病理特征无相关性(P>0.05);非小细胞肺癌细胞系中USP39的表达水平高于支气管上皮样细胞(P <0.05);转染USP39 siRNA的非小细胞肺癌细胞增殖能力低于转染USP39 NC者(P <0.05);转染USP39 siRNA的非小细胞肺癌细胞早期凋亡细胞比例高于转染USP39 NC者(P <0.05),细胞周期被阻滞于G1期。结论 USP39在非小细胞肺癌中表达升高,与患者TNM分期密切相关,可促进非小细胞肺癌的增殖。 展开更多
关键词 泛素特异性蛋白酶39 非小细胞肺癌 增殖 凋亡 周期
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ILF3 inhibits p-AMPK expression to drive non-alcoholic fatty liver disease progression
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作者 Ting Zhan Jia-Xi Liu +9 位作者 Min Huang Ming-Tao Chen Xiao-Rong Tian xiu-lin yang Jie Tan Yan-Li Zou Zheng Han Wei Chen Xia Tian Xiao-Dong Huang 《World Journal of Hepatology》 2025年第2期170-181,共12页
BACKGROUND Non-alcoholic fatty liver disease(NAFLD)is a disease of increasing global prevalence and an important risk factor for the development of insulin resistance,type 2 diabetes,non-alcoholic steatohepatitis and ... BACKGROUND Non-alcoholic fatty liver disease(NAFLD)is a disease of increasing global prevalence and an important risk factor for the development of insulin resistance,type 2 diabetes,non-alcoholic steatohepatitis and hepatocellular carcinoma,but the pathogenesis is not clear.The aim of this study was to explore the role of ILF3 in NAFLD.AIM To investigate the molecular processes through which ILF3 facilitates the advancement of NAFLD by inhibiting the expression of p-AMPK.This exploration seeks to provide new insights into the etiology of NAFLD and evaluate the potential of ILF3 as a diagnostic marker and potential treatment focus for future interventions.METHODS In vitro and in vivo experiments were conducted using HepG2 cells and NAFLD animal models.The effects of ILF3 knockdown on lipid synthesis and triglyceride(TG)secretion were examined by analyzing the expression levels of p-AMPK.Additionally,the roles of ILF3 and the AMPK signaling pathway were verified using techniques such as Western blotting,quantitative reverse transcription PCR,Oil Red O staining,and immunohistochemistry.RESULTS Investigations revealed an increase in ILF3 Levels within both HepG2 cells and animal models of NAFLD,concurrently with a decrease in p-AMPK expression.Knocking down ILF3 activated the AMPK pathway,reducing lipid production and TG secretion in hepatocytes,thereby mitigating the advancement of NAFLD.CONCLUSION ILF3 promotes the evolution of NAFLD by inhibiting the expression of p-AMPK.The knockdown of ILF3 activates the AMPK signaling pathway,alleviating the severity of NAFLD.These findings underscore the function of ILF3 in the pathogenesis of NAFLD and demonstrate its viability as a treatment focus and diagnostic indicator. 展开更多
关键词 Non-alcoholic fatty liver disease ILF3 AMPK pathway Lipid metabolism Therapeutic target Molecular mechanism
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