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Chinese Journal of Clinicians(Electronic Edition) ›› 2022, Vol. 16 ›› Issue (02): 112-123. doi: 10.3877/cma.j.issn.1674-0785.2022.02.002

• Clinical Research • Previous Articles     Next Articles

Analysis of relationship between RAS pathway related genes and cervical cancer metastasis using bioinformatics methods

Qiaoqiao Huang1, Junying Chen1(), Jinbing Huang1, Wensheng Xu1, Erling Chen1   

  1. 1. Department of Obstetrics and Gynecology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
  • Received:2021-09-06 Online:2022-02-15 Published:2022-06-15
  • Contact: Junying Chen

Abstract:

Objective

To analyze the relationship between the Ras signaling pathway and cervical cancer metastasis using bioinformatics methods, in order to explore the key molecules of signal pathways closely related to the development of cervical cancer.

Methods

The signaling pathways regulated by miR-3162-5p were analyzed and high-scoring pathways related to the development of cervical cancer were selected. Oncomine was used to retrieve the expression of genes in the pathway in cervical cancer, and the differentially expressed genes were screened out. Protein-protein interaction network (PPI) and module analysis were constructed using STRING and Cytoscape.

Results

A total of 77 differentially expressed genes were screened by bioinformatics methods, including 31 highly expressed genes, 42 lowly expressed genes, and 4 genes with different expression trends. Among them, 24 key genes were identified. Survival analysis showed that protein tyrosine phosphatase non-receptor type 11 (PTPN11), vascular endothelial growth factor A (VEGFA), insulin like growth factor 1 (IGF1), fibroblast growth factor receptor 2 (FGFR2), G protein subunit gamma 7 (GNG7), and KIT ligand (KITLG) may be involved in the occurrence, development, invasion, and recurrence of cervical cancer. The results of immunohistochemistry suggested that PTPN11 was expressed differentially between cervical cancer tissue and cervical non-cancerous epithelium, and the difference was statistically significant (P<0.05).

Conclusion

The differential genes and key genes identified in this study are helpful to understand the molecular mechanism of cervical cancer occurrence and development, and provide candidate targets for the diagnosis and treatment of this malignancy.

Key words: Cervical squamous cell carcinoma, RAS pathway, Differential genes, Survival analysis, Immunohistochemistry

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