مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

CENTRAL NODES IN PROTEIN INTERACTION NETWORKS DRIVE CRITICAL FUNCTIONS IN TRANSFORMING GROWTH FACTOR BETA-1 STIMULATED KIDNEY CELLS

Pages

  514-531

Abstract

 Objective: Despite the huge efforts, CHRONIC KIDNEY DISEASE (CKD) remains as an unsolved problem in medicine. Many studies have shown a central role for TRANSFORMING GROWTH FACTOR BETA-1 (TGFb-1) and its downstream signaling cascades in the pathogenesis of CKD. In this study, we have reanalyzed a microarray dataset to recognize critical signaling pathways controlled by TGFb-1.Materials and Methods: This study is a bioinformatics reanalysis for a microarray data. The GSE23338 dataset was downloaded from the gene expression omnibus (GEO) database which assesses the mRNA expression profile of TGFb-1 treated human kidney cells after 24 and 48 hours incubation. The protein interaction networks for differentially expressed (DE) genes in both time points were constructed and enriched. In addition, by network topology analysis, genes with high centrality were identified and then pathway enrichment analysis was performed with either the total network genes or with the central nodes.Results: We found 110 and 170 genes differentially expressed in the time points 24 and 48 hours, respectively. As the genes in each time point had few interactions, the networks were enriched by adding previously known genes interacting with the differentially expressed ones. In terms of degree, betweenness, and closeness centrality parameters 62 and 60 nodes were considered to be central in the enriched networks of 24 hours and 48 hours treatment, respectively. Pathway enrichment analysis with the central nodes was more informative than those with all network nodes or even initial DE genes, revealing key signaling pathways.Conclusion: We introduced a method for the analysis of microarray data that integrates the expression pattern of genes with their topological properties in protein interaction networks. This holistic novel approach allows extracting knowledge from raw bulk omics data.

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    APA: Copy

    RABIEIAN, REYHANEH, ABEDI, MARYAM, & GHEISARI, YOUSOF. (2017). CENTRAL NODES IN PROTEIN INTERACTION NETWORKS DRIVE CRITICAL FUNCTIONS IN TRANSFORMING GROWTH FACTOR BETA-1 STIMULATED KIDNEY CELLS. CELL JOURNAL (YAKHTEH), 18(4), 514-531. SID. https://sid.ir/paper/686342/en

    Vancouver: Copy

    RABIEIAN REYHANEH, ABEDI MARYAM, GHEISARI YOUSOF. CENTRAL NODES IN PROTEIN INTERACTION NETWORKS DRIVE CRITICAL FUNCTIONS IN TRANSFORMING GROWTH FACTOR BETA-1 STIMULATED KIDNEY CELLS. CELL JOURNAL (YAKHTEH)[Internet]. 2017;18(4):514-531. Available from: https://sid.ir/paper/686342/en

    IEEE: Copy

    REYHANEH RABIEIAN, MARYAM ABEDI, and YOUSOF GHEISARI, “CENTRAL NODES IN PROTEIN INTERACTION NETWORKS DRIVE CRITICAL FUNCTIONS IN TRANSFORMING GROWTH FACTOR BETA-1 STIMULATED KIDNEY CELLS,” CELL JOURNAL (YAKHTEH), vol. 18, no. 4, pp. 514–531, 2017, [Online]. Available: https://sid.ir/paper/686342/en

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