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Current Bioinformatics

Author(s): Mingxuan Yang, Liangtao Zhao, Xuchang Hu, Haijun Feng and Xuewen Kang*

DOI: 10.2174/1574893615999200626191405

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Identification of Key mRNAs and lncRNAs Associated with the Effects of Anti-TWEAK on Osteosarcoma

Page: [154 - 161] Pages: 8

  • * (Excluding Mailing and Handling)

Abstract

Background: Osteosarcoma (OS) is one of the most common primary malignant bone tumors in teenagers. Emerging studies demonstrated TWEAK and Fn14 were involved in regulating cancer cell differentiation, proliferation, apoptosis, migration and invasion.

Objective: The present study identified differently expressed mRNAs and lncRNAs after anti- TWEAK treatment in OS cells using GSE41828.

Methods: We identified 922 up-regulated mRNAs, 863 down-regulated mRNAs, 29 up-regulated lncRNAs, and 58 down-regulated lncRNAs after anti-TWEAK treatment in OS cells. By constructing PPI networks, we identified several key proteins involved in anti-TWEAK treatment in OS cells, including MYC, IL6, CD44, ITGAM, STAT1, CCL5, FN1, PTEN, SPP1, TOP2A, and NCAM1. By constructing lncRNAs co-expression networks, we identified several key lncRNAs, including LINC00623, LINC00944, PSMB8-AS1, LOC101929787.

Result: Bioinformatics analysis revealed DEGs after anti-TWEAK treatment in OS were involved in regulating type I interferon signaling pathway, immune response-related pathways, telomere organization, chromatin silencing at rDNA, and DNA replication. Bioinformatics analysis revealed differently expressed lncRNAs after anti-TWEAK treatment in OS were related to telomere organization, protein heterotetramerization, DNA replication, response to hypoxia, TNF signaling pathway, PI3K-Akt signaling pathway, Focal adhesion, Apoptosis, NF-kappa B signaling pathway, MAPK signaling pathway, FoxO signaling pathway.

Conclusion: This study provided useful information for understanding the mechanisms of TWEAK underlying OS progression and identifying novel therapeutic markers for OS.

Keywords: Long non-coding RNA, TWEAK, expression profiling, protein-protein interaction analysis, co-expression analysis, osteosarcoma

Graphical Abstract

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