KEGG-expressed genes and pathways in triple negative breast cancer Protocol for a systematic review and data mining

被引：32

作者：

Chen, Jiarui ^{[1
]}

Liu, Chong ^{[1
]}

Cen, Jiemei ^{[2
]}

Liang, Tuo ^{[1
]}

Xue, Jiang ^{[1
]}

Zeng, Haopeng ^{[1
]}

Zhang, Zide ^{[1
]}

Xu, Guoyong ^{[1
]}

Yu, Chaojie ^{[1
]}

Lu, Zhaojun ^{[1
]}

Wang, Zequn ^{[1
]}

Jiang, Jie ^{[1
]}

Zhan, Xinli ^{[1
]}

Zeng, Jian ^{[3
]}

机构：

[1] Guangxi Med Univ, Affiliated Hosp 1, Dept Spine & Osteopathy Ward, 6 Shuangyong Rd, Nanning 530021, Guangxi, Peoples R China

[2] Guangxi Med Univ, Affiliated Hosp 1, Dept Resp Med, 6 Shuangyong Rd, Nanning 530021, Guangxi, Peoples R China

[3] Guangxi Med Univ, Affiliated Hosp 1, Dept Gastrointestinal Gland Surg, Nanning, Guangxi, Peoples R China

来源：

MEDICINE | 2020年 / 99卷 / 18期

关键词：

bioinformatics analysis; gene expression; Gene Expression Omnibus; triple-negative breast cancer; IDENTIFICATION; BIOMARKERS; VALIDATION; CARCINOMA; FEATURES; BINDING; PROTEIN; HSP70;

D O I：

10.1097/MD.0000000000019986

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: The incidence of triple negative breast cancer (TNBC) is at a relatively high level, and our study aimed to identify differentially expressed genes (DEGs) in TNBC and explore the key pathways and genes of TNBC. Methods: The gene expression profiling (GSE86945, GSE86946 and GSE102088) data were obtained from Gene Expression Omnibus Datasets, DEGs were identified by using R software, Gene Ontology (GO) analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses of DEGs were performed by the Database for Annotation, Visualization and Integrated Discovery (DAVID) tools, and the protein-protein interaction (PPI) network of the DEGs was constructed by the STRING database and visualized by Cytoscape software. Finally, the survival value of hub DEGs in breast cancer patients were performed by the Kaplan-Meier plotter online tool. Results: A total of 2998 DEGs were identified between TNBC and health breast tissue, including 411 up-regulated DEGs and 2587 down-regulated DEGs. GO analysis results showed that down-regulated DEGs were enriched in gene expression (BP), extracellular exosome (CC), and nucleic acid binding, and up-regulated were enriched in chromatin assembly (BP), nucleosome (CC), and DNA binding (MF). KEGG pathway results showed that DEGs were mainly enriched in Pathways in cancer and Systemic lupus erythematosus and so on. Top 10 hub genes were picked out from PPI network by connective degree, and 7 of top 10 hub genes were significantly related with adverse overall survival in breast cancer patients (P < .05). Further analysis found that only EGFR had a significant association with the prognosis of triple-negative breast cancer (P < .05). Conclusions: Our study showed that DEGs were enriched in pathways in cancer, top 10 DEGs belong to up-regulated DEGs, and 7 gene connected with poor prognosis in breast cancer, includingHSP90AA1,SRC,HSPA8,ESR1,ACTB,PPP2CA, andRPL4. These can provide some guidance for our research on the diagnosis and prognosis of TNBC, and further research is needed to evaluate their value in the targeted therapy of TNBC.

引用

页数：8

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