Cited by 28interferon and immune responsesVirology and Viral DiseasesCytokine Signaling Pathways and Interactions

AGS and other tissue culture cells can unknowingly be persistently infected with PIV5; A virus that blocks interferon signalling by degrading STAT1

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Young, D.F., Carlos, T.S., Hagmaier, K., Fan, L., Randall, R.E.·2007·Virology

Abstract

Whilst screening various cell lines for their ability to respond to interferon (IFN), we noted that in comparison to other tissue culture cells AGS tumour cells, which are widely used in biomedical research, had very low levels of STAT1. Subsequent analysis showed that the reason for this is that AGS cells are persistently infected with parainfluenza virus type 5 (PIV5; formally known as SV5), a virus that blocks the interferon (IFN) response by targeting STAT1 for proteasome-mediated degradation. Virus protein expression in AGS is altered in comparison to the normal pattern of virus protein synthesis observed in acutely infected cells, suggesting that the AGS virus is defective. We discuss the relevance of these results in terms of the need to screen cell lines for persistent virus infections that can alter cellular functions.

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Crossref · 10.1016/j.virol.2007.03.061

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  • Respiratory viruses are able to induce ciliary impairment, including disruption of ciliary beating and loss of ciliated cells, leading to mucostasis.

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Authors
Young, D. F., Carlos, T. S., Hagmaier, K., Fan, L., & Randall, R. E.
Affiliations
University of St Andrews (GB)
Corresponding author
Randall, R.E.
Venue
Virology
Publisher
Elsevier BV
Published
2007-08
Volume
365
Issue
1
Pages
238-240
ISSN
0042-6822 (ISSN-L)
OpenAlex
W2076174740
Cited by
28
References
17
Citations by year
2025: 1 · 2023: 1 · 2022: 1 · 2021: 2 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 4 · 2016: 1 · 2014: 2 · 2012: 1
FWCI
0.74
Type
journal article
Language
en
Open access
Locations
  • Virology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Wellcome Trust
  • Biotechnology and Biological Sciences Research Council
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Health Sciences › Medicine › Epidemiology › Virology and Viral Diseases
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
Keywords
viral persistence, AGS cells, interferon signaling, STAT1 degradation, proteasomal degradation, defective virus, cell line screening, cancer cell lines
MeSH terms
Cell Line, Cells, Cultured, Interferons, Paramyxoviridae, Signal Transduction, Viral Structural Proteins, STAT1 Transcription Factor

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