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Identification of Joint Gene Players Implicated in the Pathogenesis of Htlv-1 and Blv Through a Comprehensive System Biology Analysis Publisher Pubmed



Ashrafi F1 ; Ghezeldasht SA2 ; Ghobadi MZ3, 4
Authors
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Authors Affiliations
  1. 1. Department of Animal Science, Ferdowsi University of Mashhad, Mashhad, Iran
  2. 2. Inflammation and Inflammatory Diseases Division, Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
  3. 3. Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
  4. 4. Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Source: Microbial Pathogenesis Published:2021


Abstract

Background: Human T-cell lymphotropic virus type 1 (HTLV-1) and bovine leukemia virus (BLV) are oncogenic viruses that induce adult T cell leukemia/lymphoma (ATLL) and enzootic bovine leukosis (EBL), respectively. HTLV-1 principally infects CD4+ T cells comprising regulatory T cells (Tregs), T helper 1 (Th1), and T helper 2 (Th2), while BLV infects B lymphocytes. Both viruses may impel cell proliferation and malignancy. Methods: To survey the transcriptomic variations due to HTLV-1 and BLV infection and further hematologic malignancies, differential expression genes (DEGs) were explored between leukemia and normal samples using the DESeq2 package. Gene set enrichment analyses (GSEA) were then performed to identify significant gene sets using the FGSEA package. Afterward, the protein-protein interaction (PPI) networks were reconstructed using the STRING online database. Eventually, the hub significant genes and modules were determined through network analysis and MCODE algorithm, respectively. Results: Our results uncloaked that four common functional gene sets including mitotic-spindle, G2M-checkpoint, E2F-targets, and MYC-targets-V1 are involved in the human and ovine hosts. Furthermore, twelve up-regulated hub genes including BIRC5, CCNA2, CCNB2, BUB1, DLGAP5, TOP2A, PBK, ASPM, UBE2C, CEP55, KIF20A, and NUSAP1 were identified which were similarly activated in both human and ovine hosts. They mostly participate in pathways including cell cycle, cell division, DNA damage responses, growth factors production, and p53 signaling pathway. The dysregulated hub genes and pathways seem to be involved in the development and progression of the infected cells toward malignancy. Conclusion: There is common gene groups between HTLV-1 and BLV infections that promote viral malignancy through enhancing cell proliferation and overall survival of cancer cells. The dysregulated genes and pathways may be the efficient candidates for the therapy of the mentioned life-threatening diseases. © 2021 Elsevier Ltd
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