Aim: To understand the molecular difference between H.pylori negative and positive gastric cancer, a regulatory network analysis is investigated.
Background: Helicobacter pylori as the one of the most leading causes of gastric cancer is yet to be studied in terms of its molecular pathogenicity.
Methods: Cytoscape version of 3.7.2 with its applications was employed to conduct this study via corresponding algorithms.
Results: A total of 161 microRNAs were identified differentially expressed in the comparison of two groups of gastric cancer including negative and positive with H.pylori infection. CluePedia explored the regulatory network and found down-regulation dominant while considering the linked hub genes.
Conclusion: It can be concluded that the presented microRNAs and target genes could have associations with H.pylori carcinogenesis in gastric cancer through dysregulation of some vital biological processes. These microRNAs and target genes include hsa-miR-943, hsa-miR-935, hsa-miR-367, hsa-miR-363, hsa-miR-25, and hsa-miR-196b and ADRA1A, KCNA4, SOD1, and SESN3, respectively. However, verification analysis in this regard is required to establish these relationships.
Keywords: Helicobacter pylori, Gastric cancer, MicroRNA, Regulatory network, Hub.
(Please cite as: Abdi S, Zamanian Azodi M, Rezaei-Tavirani M, Razzaghi MR, Heidari MH, Akbarzadeh Baghban AR. Differentiation of H. pylori-negative and positive gastric cancer via regulatory network analysis. Gastroenterol Hepatol Bed Bench 2020;13(2):161-167).
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