基于癌症多组学数据库深度解析磷酸甘油激酶1在肝细胞癌中的表达及临床意义

doi:10.16098/j.issn.0529-1356.2022.06.008

解剖学报 ›› 2022, Vol. 53 ›› Issue (6): 744-753.doi: 10.16098/j.issn.0529-1356.2022.06.008

基于癌症多组学数据库深度解析磷酸甘油激酶1在肝细胞癌中的表达及临床意义

管成剑于华婧张小东饶全张伟涛刘坤吴鸿伟汪栋张忠涛郭伟*

首都医科大学附属北京友谊医院普通外科，国家消化系统疾病临床医学研究中心，北京 100050

收稿日期:2022-05-18 修回日期:2022-08-22 出版日期:2022-12-06 发布日期:2022-12-06
通讯作者: 郭伟 E-mail:guanchengjiannk@126.com
基金资助:
ZBTB16-MTA2/NuRD复合体抑制肝细胞肝癌侵袭与转移的分子机制

Expression and clinical significance of phosphoglycerate kinase 1 in hepatocellular carcinoma based on bioinformatics methods

GUAN Cheng-jian YU Hua-jing ZHANG Xiao-dong RAO Quan ZHANG Wei-tao LIU Kun WU Hong-wei WANG Dong ZHANG Zhong-tao GUO Wei*

Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China

Received:2022-05-18 Revised:2022-08-22 Online:2022-12-06 Published:2022-12-06
Contact: GUO Wei E-mail:guanchengjiannk@126.com

摘要/Abstract

摘要：

目的探讨磷酸甘油激酶1 (PGK1)在肝细胞癌（HCC）发生中的作用以及其潜在的蛋白质翻译后修饰位点，为PGK1作为肝癌诊断生物标志物和防控靶点提供依据。方法以泛癌的角度，从癌症基因组数据库TCGA中获取10 967份样本资料，利用cBioPortal和UALCAN肿瘤基因分析工具，探讨PGK1基因在不同肿瘤中的表达情况和预后改变，随后将目标聚焦在肝细胞癌中，分析PGK1在肝肿瘤组织和正常组织间的表达差异；从GEO数据库获取肝癌患者的样本数据，分析PGK1在诱发肝细胞癌发生发展中的潜在作用；同时，通过Real-time PCR、Western blotting实验等从mRNA、蛋白水平分析PGK1在肝细胞癌和癌旁组织中的表达差异，并进行细胞侵袭、增殖实验的功能验证；通过String数据库检索PGK1相关蛋白并进行功能富集分析；最后采用CSS-Palm数据库和生物信息学方法预测PGK1上的蛋白质翻译后修饰位点。结果 PGK1基因在包括肝细胞癌在内的多种实体瘤中异常扩增和过度表达，且PGK1的高表达与肝细胞癌的不良预后相关。PGK1多个位点上存在多种新型表观遗传修饰位点。结论 PGK1与包括肝癌在内的多种癌症的发生发展及糖酵解代谢异常密切相关，表观遗传修饰能够调控PGK1并影响其细胞功能。

关键词: 磷酸甘油激酶1, 癌症, 肝细胞癌, 生物信息学, 糖酵解, 预后, 免疫印迹法, 人

Abstract:

Objective To investigate the role of phosphoglycerate kinase 1 (PGK1) in tumorigenesis and its potential post-translational modification sites were investigated by bioinformatics method and molecular biology experimental techniques, in order to provide evidence for PGK1 as a hepatocellular carcinoma(HCC) diagnostic biomarker and therapeutic target. Methods From pan-cancer’s point of view, 10 967 samples were obtained from the cancer genome database TCGAs, and the expression of PGK1 in different tumors was explored by using cBioPortal and UALCAN analysis tools; Focusing on HCC, the expression differences of PGK1 in hepatocellular carcinoma tumor tissues and normal tissues were further analyzed by using GEO database analysis, Real-time PCR, Western blotting and cell invasion assay；The String database was used to analyze the protein-protein interaction network and gene set enrichment analysis; The CSS-Palm database and bioinformatics method were used to predict protein post-translational modification sites on PGK1. Results The PGK1 gene was abnormally amplified and overexpressed in various solid tumors, including hepatocellular carcinoma, and overexpression of PGK1 was correlated with a poor prognosis in hepatocellular carcinoma. Multiple novel post-translational modifications were existed on PGK1. Conclusion PGK1 is closely related to the occurrence and development of various cancers including HCC and glycolytic metabolism abnormalities. Epigenetic modifications can regulate PGK1 and affect its cellular function in HCC.

Key words: Phosphoglycerate kinase 1, Cancer, , Hepatocellular carcinoma, , Bioinformatics, , Glycolysis, , Prognosis, , Western blotting, , Human

中图分类号:

R735.7

管成剑于华婧张小东饶全张伟涛刘坤吴鸿伟汪栋张忠涛郭伟. 基于癌症多组学数据库深度解析磷酸甘油激酶1在肝细胞癌中的表达及临床意义[J]. 解剖学报, 2022, 53(6): 744-753.

GUAN Cheng-jian YU Hua-jing ZHANG Xiao-dong RAO Quan ZHANG Wei-tao LIU Kun WU Hong-wei WANG Dong ZHANG Zhong-tao GUO Wei. Expression and clinical significance of phosphoglycerate kinase 1 in hepatocellular carcinoma based on bioinformatics methods[J]. Acta Anatomica Sinica, 2022, 53(6): 744-753.

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基于癌症多组学数据库深度解析磷酸甘油激酶1在肝细胞癌中的表达及临床意义

Expression and clinical significance of phosphoglycerate kinase 1 in hepatocellular carcinoma based on bioinformatics methods

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