Abstract:
:The role of long noncoding RNAs (lncRNAs) in viral infection is poorly studied. We have identified hepatitis C virus (HCV)-Stimulated lncRNAs (CSRs) by transcriptome analysis. Interestingly, two of these CSRs (PVT1 and UCA1) play relevant roles in tumorigenesis, providing a novel link between HCV infection and development of liver tumors. Expression of some CSRs seems induced directly by HCV, while others are upregulated by the antiviral response against the virus. In fact, activation of pathogen sensors induces the expression of CSR32/EGOT RIG-I and the RNA-activated kinase PKR sense HCV RNA, activate NF-κB and upregulate EGOT EGOT is increased in the liver of patients infected with HCV and after infection with influenza or Semliki Forest virus (SFV). Genome-wide guilt-by-association studies predict that EGOT may function as a negative regulator of the antiviral pathway. Accordingly, EGOT depletion increases the expression of several interferon-stimulated genes and leads to decreased replication of HCV and SFV Our results suggest that EGOT is a lncRNA induced after infection that increases viral replication by antagonizing the antiviral response.
journal_name
EMBO Repjournal_title
EMBO reportsauthors
Carnero E,Barriocanal M,Prior C,Pablo Unfried J,Segura V,Guruceaga E,Enguita M,Smerdou C,Gastaminza P,Fortes Pdoi
10.15252/embr.201541763subject
Has Abstractpub_date
2016-07-01 00:00:00pages
1013-28issue
7eissn
1469-221Xissn
1469-3178pii
embr.201541763journal_volume
17pub_type
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