Enhanced viral replication by cellular replicative senescence

Ji Ae Kim, Rak Kyun Seong, Ok Shin

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Cellular replicative senescence is a major contributing factor to aging and to the development and progression of aging-associated diseases. In this study, we sought to determine viral replication efficiency of influenza virus (IFV) and Varicella Zoster Virus (VZV) infection in senescent cells. Primary human bronchial epithelial cells (HBE) or human dermal fibroblasts (HDF) were allowed to undergo numbers of passages to induce replicative senescence. Induction of replicative senescence in cells was validated by positive senescence-associated b-galactosidase staining. Increased susceptibility to both IFV and VZV infection was observed in senescent HBE and HDF cells, respectively, resulting in higher numbers of plaque formation, along with the upregulation of major viral antigen expression than that in the non-senescent cells. Interestingly, mRNA fold induction level of virus-induced type I interferon (IFN) was attenuated by senescence, whereas IFN-mediated antiviral effect remained robust and potent in virus-infected senescent cells. Additionally, we show that a longevity-promoting gene, sirtuin 1 (SIRT1), has antiviral role against influenza virus infection. In conclusion, our data indicate that enhanced viral replication by cellular senescence could be due to senescence-mediated reduction of virus-induced type I IFN expression.

Original languageEnglish
Pages (from-to)286-295
Number of pages10
JournalImmune Network
Volume16
Issue number5
DOIs
Publication statusPublished - 2016

Fingerprint

Cell Aging
Virus Diseases
Orthomyxoviridae
Interferon Type I
Human Herpesvirus 3
Antiviral Agents
Sirtuin 1
Fibroblasts
Epithelial Cells
Galactosidases
Viruses
Virus Activation
Skin
Viral Antigens
Interferons
Up-Regulation
Staining and Labeling
Messenger RNA
Genes

Keywords

  • Influenza
  • Senescence
  • SIRT1
  • VZV

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases
  • Immunology

Cite this

Enhanced viral replication by cellular replicative senescence. / Kim, Ji Ae; Seong, Rak Kyun; Shin, Ok.

In: Immune Network, Vol. 16, No. 5, 2016, p. 286-295.

Research output: Contribution to journalArticle

Kim, Ji Ae ; Seong, Rak Kyun ; Shin, Ok. / Enhanced viral replication by cellular replicative senescence. In: Immune Network. 2016 ; Vol. 16, No. 5. pp. 286-295.
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