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Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets

  • Authors:
    • Kan He
    • Weizhong Xiao
    • Wenwen Lv
  • View Affiliations / Copyright

    Affiliations: Center for Stem Cell and Translational Medicine, School of Life Sciences, Anhui University, Hefei, Anhui 230601, P.R. China, Department of Neurology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Pudong, Shanghai 201399, P.R. China
    Copyright: © He et al. This is an open access article distributed under the terms of Creative Commons Attribution License [CC BY_NC 3.0].
  • Pages: 715-724
    |
    Published online on: July 9, 2014
       https://doi.org/10.3892/ijmm.2014.1843
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Abstract

Epilepsy is a common chronic neurological disorder characterized by seizures or convulsions, and is known to affect patients with primary brain tumors. The etiology of epilepsy is superficially thought to be multifactorial; however, the genetic factors which may be involved in the pathogenesis of seizures have not yet been elucidated, particularly at the pathway level. In the present study, in order to systematically investigate the gene regulatory networks involved in epilepsy, we employed a microarray dataset from the public database library of Gene Expression Omnibus (GEO) associated with tumor-induced epileptogenesis and applied gene set enrichment analysis (GSEA) on these data sets and performed candidate transcription factor (TF) selection. As a result, 68 upregulated pathways, including the extracellular matrix (ECM)-receptor interaction (P=0.004) and peroxisome proliferator-activated receptor (PPAR) signaling pathways (P=0.045), as well as 4 downregulated pathways, including the GnRH signaling pathway (P=0.029) and gap junction (P=0.034) were identified as epileptogenesis-related pathways. The majority of these pathways identified have been previously reported and our results were in accordance with those reports. However, some of these pathways identified were novel. Finally, co-expression networks of the related pathways were constructed with the significant core genes and TFs, such as PPAR-γ and phosphatidylethanolamine-binding protein. The results of our study may contribute to the improved understanding of the molecular mechanisms of epileptogenesis on a genome-wide level.
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Copy and paste a formatted citation
Spandidos Publications style
He K, Xiao W and Lv W: Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets. Int J Mol Med 34: 715-724, 2014.
APA
He, K., Xiao, W., & Lv, W. (2014). Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets. International Journal of Molecular Medicine, 34, 715-724. https://doi.org/10.3892/ijmm.2014.1843
MLA
He, K., Xiao, W., Lv, W."Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets". International Journal of Molecular Medicine 34.3 (2014): 715-724.
Chicago
He, K., Xiao, W., Lv, W."Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets". International Journal of Molecular Medicine 34, no. 3 (2014): 715-724. https://doi.org/10.3892/ijmm.2014.1843
Copy and paste a formatted citation
x
Spandidos Publications style
He K, Xiao W and Lv W: Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets. Int J Mol Med 34: 715-724, 2014.
APA
He, K., Xiao, W., & Lv, W. (2014). Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets. International Journal of Molecular Medicine, 34, 715-724. https://doi.org/10.3892/ijmm.2014.1843
MLA
He, K., Xiao, W., Lv, W."Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets". International Journal of Molecular Medicine 34.3 (2014): 715-724.
Chicago
He, K., Xiao, W., Lv, W."Comprehensive identification of essential pathways and transcription factors related to epilepsy by gene set enrichment analysis on microarray datasets". International Journal of Molecular Medicine 34, no. 3 (2014): 715-724. https://doi.org/10.3892/ijmm.2014.1843
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