Abstract
Purpose
Melanoma is a malignant skin tumor, and its incidence is rising. To explore the specific differences in benign and malignant melanoma at the genetic level, we performed a series of bioinformatics analyses, including differential gene analysis, co-expression analysis, enrichment analysis, and regulatory prediction.
Methods
The microarray data of benign and malignant melanocytes were downloaded from GEO, and 1917 differential genes were obtained by differential analysis (p < 0.05). Weighted gene co-expression network analysis obtained three functional barrier modules. The essential genes of each module are SMARTA4, HECA, and C1R.
Results
The results of the enrichment analysis showed that the dysfunctional module gene was mainly associated with RNA splicing and Adherens junction. Through the pivotal analysis of ncRNA, it was found that miR-448, miR-152-3p, and miR-302b-3p essentially regulate three modules, which we consider to be critical regulators. In the pivot analysis of TF, more control modules include ARID3A, E2F1, E2F3, and E2F8.
Conclusions
We believe that the regulator (miR-448, miR-152-3p, miR-302b-3p) regulates the expression of the core gene SMARCA4, which in turn affects the signal transduction of the Adherens junction. It eventually leads to the deterioration of benign skin spasms into melanoma.
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SL and XY are responsible for the conception or design of the work. SL, LQ, ZZ and YJ contribute the acquisition, analysis, or interpretation of data for the work. XY and LQ provide the tissue samples. ZZ helps in the follow-up of the patients. SL helps in reviewing the histopathology slides. All authors finally approved the manuscript version to be published. YJ is the guarantor of the article.
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Liu, SR., Yang, X., Qi, L. et al. SMARCA4 promotes benign skin malignant transformation into melanoma through Adherens junction signal transduction. Clin Transl Oncol 23, 591–600 (2021). https://doi.org/10.1007/s12094-020-02453-0
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DOI: https://doi.org/10.1007/s12094-020-02453-0