Published in: 12th Congress of Iranian Genetics Society
COI code: CIGS13_0932
Paper Language: English
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Authors Dissecting transcription factors regulatory network to identify regulators of MAPK signaling pathway during differentiation iPSCs to primary neurosphereAbdulshakour Mohammadnia - National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, IranThese authors contributed equally to this work.
Moein Yaqubi - National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, IranThese authors contributed equally to this work.
Sajad Esmaeili - Department of Biology, School of Science, Guilan University, Rasht, Iran These authors contributed equally to this work.
Hossein Fallahi - Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran Department of Biology, School of Science, Razi University, Kermanshah, Iran
Abstract:Differentiation of iPSCs into neurosphere principally regulates by transcription factors (TFs). Our study focus on constructing transcription factors regulatory network and dissecting the network using system biology tools to find genesinvolve in MAPK signaling pathway and their regulators. Method:Microarray data obtained from GEO servers using GSE accession number 31598. RMA algorithm used for normalization and fold change used for detection of differential expressed (DE) genes in Flexarray environment. Threshold 3 applied for detecting DE genes. Regulatory interactions between TFs and DE genes obtained from ChEA database. Valid proteinproteininteractions identified in BioGRID database. Network ontology using ClueGO used to identify affected processesand their genes. JActiveModules Cytoscape plugin was used to detect core active subnetwork.Result: Expression profile comparison of primary neurosphere and iPSCs shows 2521 DE genes. This list contain 1413 up regulatedgenes and 1108 down regulated genes. Collectively we construct TFs regulatory network that contain 2250 DE genes with 14922 interactions. This network contains 56 DE TFs as regulators of 2235 DE genes. These TFs are involve in proteinprotein interaction network include 149 nodes and 223 edges. Network ontology based on KEGG pathway analysis reveals54 DE genes involve in MAPK signaling pathway. We identified SUZ12, POU5F1, TRP53, NANOG, STAT3, TAL1,REST, KLF4, MYC, and SALL4 as most important regulators of MAPK signaling respectively. Core active modulesanalysis show presence of 5 DE genes from MAPK signaling list in 5 top modules. Conclusion: Our result highlights the presence of MAPK signaling during iPSCs differentiation to primary neurosphere and may be help to increase efficiency of differentiation.
Keywords:Differentiation, MAPK signaling, iPSCs, Regulatory network, Transcription factor
COI code: CIGS13_0932
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Mohammadnia, Abdulshakour; Moein Yaqubi; Sajad Esmaeili & Hossein Fallahi, 2014, Dissecting transcription factors regulatory network to identify regulators of MAPK signaling pathway during differentiation iPSCs to primary neurosphere, 12th Congress of Iranian Genetics Society, تهران, انجمن ژنتيك ايران, https://www.civilica.com/Paper-CIGS13-CIGS13_0932.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Mohammadnia, Abdulshakour; Moein Yaqubi; Sajad Esmaeili & Hossein Fallahi, 2014)
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Type: Research Center
Paper No.: 940
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