miR-152-3p靶蛋白差异表达及调控机制在肝癌复发中的作用

目的 比较肝癌复发与预后良好患者癌组织的蛋白表达,分析miR-152-3p相关的靶蛋白差异及调控机制,探讨miR-152-3p在肝癌复发中的作用。 方法 应用TMT标记全蛋白质组学测序方法和RT-PCR分别检测肝癌切除术后2年复发(n=6)与5年预后良好(n=6)患者肝癌组织的蛋白质表达和miR-152-3p的表达水平;联合六大数据库检索分析miR-152-3p靶基因,并运用Gene Ontology、DAVID和REACTOME数据库进行靶基因筛选、富集注释和信号转导通路富集分析;将筛选的miR-152-3p靶基因进行基因突变频率和生存曲线分析,验证miR-152-3p靶基因在肝癌复发中的作...

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Published inLinchuang gandanbing zazhi Vol. 37; no. 2; p. 364
Main Authors 刘晨霞, 常凯, 那琬琳, 王艳艳, 牟东, 李华, 江忠勇, 刘媛, 熊杰
Format Journal Article
LanguageChinese
Published Changchun Journal of Clinical Hepatology 01.02.2021
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Online AccessGet full text
ISSN1001-5256
2097-3497
DOI10.3969/j.issn.1001-5256.2021.02.023

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Abstract 目的 比较肝癌复发与预后良好患者癌组织的蛋白表达,分析miR-152-3p相关的靶蛋白差异及调控机制,探讨miR-152-3p在肝癌复发中的作用。 方法 应用TMT标记全蛋白质组学测序方法和RT-PCR分别检测肝癌切除术后2年复发(n=6)与5年预后良好(n=6)患者肝癌组织的蛋白质表达和miR-152-3p的表达水平;联合六大数据库检索分析miR-152-3p靶基因,并运用Gene Ontology、DAVID和REACTOME数据库进行靶基因筛选、富集注释和信号转导通路富集分析;将筛选的miR-152-3p靶基因进行基因突变频率和生存曲线分析,验证miR-152-3p靶基因在肝癌复发中的作用。计量资料2组间比较采用独立样本t检验。肝脏组织有关基因生存率分析采用Kaplan-Meier分析。 结果 肝癌切除术后预后良好患者癌组织的miR-152-3p转录表达水平显著高于复发患者癌组织的水平(P<0.05)。蛋白测序结果显示,预后良好患者与复发患者的癌组织存在365个差异表达蛋白,联合肝癌复发数据库分析显示,其中有17个蛋白受miR-152-3p调控。进一步的信号通路分析发现,17个受miR-152-3p调控的靶基因其功能集中于线粒体核糖体翻译调控;多重富集发现靶基因与线粒体呼吸链复合体密切关系的蛋白6个,分别为AKAP1、FOXRED1、MRPL28、MRPL50、SHC1、STAU1。基因突变频率及生存曲线分析发现,线粒体呼吸链相关靶蛋白的功能缺失或减弱会严重影响患者的生存率。 结论 miR-152-3p在HCC切除术后预后良好和复发患者的癌组织表达差异显著,miR-152-3p在肝癌复发中作用机制可能是通过调控靶基因AKAP1、FOXRED1、MRPL28、MRPL50、SHC1、STAU1作用于线粒体呼吸链,影响细胞氧化呼吸功能导致肝癌复发。
AbstractList 目的 比较肝癌复发与预后良好患者癌组织的蛋白表达,分析miR-152-3p相关的靶蛋白差异及调控机制,探讨miR-152-3p在肝癌复发中的作用。 方法 应用TMT标记全蛋白质组学测序方法和RT-PCR分别检测肝癌切除术后2年复发(n=6)与5年预后良好(n=6)患者肝癌组织的蛋白质表达和miR-152-3p的表达水平;联合六大数据库检索分析miR-152-3p靶基因,并运用Gene Ontology、DAVID和REACTOME数据库进行靶基因筛选、富集注释和信号转导通路富集分析;将筛选的miR-152-3p靶基因进行基因突变频率和生存曲线分析,验证miR-152-3p靶基因在肝癌复发中的作用。计量资料2组间比较采用独立样本t检验。肝脏组织有关基因生存率分析采用Kaplan-Meier分析。 结果 肝癌切除术后预后良好患者癌组织的miR-152-3p转录表达水平显著高于复发患者癌组织的水平(P<0.05)。蛋白测序结果显示,预后良好患者与复发患者的癌组织存在365个差异表达蛋白,联合肝癌复发数据库分析显示,其中有17个蛋白受miR-152-3p调控。进一步的信号通路分析发现,17个受miR-152-3p调控的靶基因其功能集中于线粒体核糖体翻译调控;多重富集发现靶基因与线粒体呼吸链复合体密切关系的蛋白6个,分别为AKAP1、FOXRED1、MRPL28、MRPL50、SHC1、STAU1。基因突变频率及生存曲线分析发现,线粒体呼吸链相关靶蛋白的功能缺失或减弱会严重影响患者的生存率。 结论 miR-152-3p在HCC切除术后预后良好和复发患者的癌组织表达差异显著,miR-152-3p在肝癌复发中作用机制可能是通过调控靶基因AKAP1、FOXRED1、MRPL28、MRPL50、SHC1、STAU1作用于线粒体呼吸链,影响细胞氧化呼吸功能导致肝癌复发。
Author 牟东
江忠勇
那琬琳
熊杰
王艳艳
刘媛
常凯
李华
刘晨霞
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Snippet 目的 比较肝癌复发与预后良好患者癌组织的蛋白表达,分析miR-152-3p相关的靶蛋白差异及调控机制,探讨miR-152-3p在肝癌复发中的作用。 方法...
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SubjectTerms Genes
Liver cancer
Medical prognosis
Mutation
Ontology
Proteins
Signal transduction
Title miR-152-3p靶蛋白差异表达及调控机制在肝癌复发中的作用
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Volume 37
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