Autophagy and antiviral defense

Po Yuan Ke*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

9 Scopus citations


Targeting intracellular components for lysosomal degradation by autophagy not only maintains cellular homeostasis but also counteracts the effects of external stimuli, including invading pathogens. Among various kinds of pathogens, viruses have been extensively shown to induce autophagy to benefit viral growth in infected cells and to modulate host defense responses, such as innate antiviral immunity. Recently, numerous lines of evidence have implied that virus-induced autophagy triggers multilayer mechanisms to regulate the innate antiviral response of host cells, thus promoting a balance in virus–host cell interactions. In this review, the detailed mechanisms underlying autophagy and the innate antiviral immune response are first described. Then, I summarize the current information regarding the diverse functional role(s) of autophagy in the control of antiviral defenses against different types of viral infections. Moreover, the physiological significance of autophagy-regulated antiviral responses on the viral life cycle and the potential autophagy alterations induced by virus-associated antiviral signaling is further discussed.

Original languageEnglish
Pages (from-to)317-338
Number of pages22
JournalIUBMB Life
Issue number4
StatePublished - 04 2022

Bibliographical note

Publisher Copyright:
© 2021 International Union of Biochemistry and Molecular Biology.


  • antiviral response
  • autophagy
  • host defense
  • innate immunity
  • selective autophagy
  • virus


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