Rapid death of duck cells infected with influenza: A potential mechanism for host resistance to H5N1

Suresh V. Kuchipudi, Stephen P. Dunham, Rahul Nelli, Gavin AWhite, Vivien J. Coward, Marek J. Slomka, Ian H. Brown, Kin Chow Chang

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Aquatic birds are the natural reservoir for most subtypes of influenza A, and a source of novel viruses with the potential to cause human pandemics, fatal zoonotic disease or devastating epizootics in poultry. It is well recognised that waterfowl typically show few clinical signs following influenza A infection, in contrast, terrestrial poultry such as chickens may develop severe disease with rapid death following infection with highly pathogenic avian influenza. This study examined the cellular response to influenza infection in primary cells derived from resistant (duck) and susceptible (chicken) avian hosts. Paradoxically, we observed that duck cells underwent rapid cell death following infection with low pathogenic avian H2N3, classical swine H1N1 and 'classical' highly pathogenic H5N1 viruses. Dying cells showed morphological features of apoptosis, increased DNA fragmentation and activation of caspase 3/7. Following infection of chicken cells, cell death occurred less rapidly, accompanied by reduced DNA fragmentation and caspase activation. Duck cells produced similar levels of viral RNA but less infectious virus, in comparison with chicken cells. Such rapid cell death was not observed in duck cells infected with a contemporary Eurasian lineage H5N1 fatal to ducks. The induction of rapid death in duck cells may be part of a mechanism of host resistance to influenza A, with the loss of this response leading to increased susceptibility to emergent strains of H5N1. These studies provide novel insights that should help resolve the long-standing enigma of host-pathogen relationships for highly pathogenic and zoonotic avian influenza.

Original languageEnglish (US)
Pages (from-to)116-123
Number of pages8
JournalImmunology and Cell Biology
Volume90
Issue number1
DOIs
StatePublished - Jan 1 2012

Fingerprint

Ducks
Human Influenza
Cell Death
Chickens
Infection
Influenza in Birds
Zoonoses
DNA Fragmentation
Poultry
H5N1 Subtype Influenza A Virus
Viruses
Caspase 7
Viral RNA
Pandemics
Caspases
Caspase 3
Birds
Swine
Apoptosis

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology
  • Cell Biology

Cite this

Kuchipudi, Suresh V. ; Dunham, Stephen P. ; Nelli, Rahul ; AWhite, Gavin ; Coward, Vivien J. ; Slomka, Marek J. ; Brown, Ian H. ; Chang, Kin Chow. / Rapid death of duck cells infected with influenza : A potential mechanism for host resistance to H5N1. In: Immunology and Cell Biology. 2012 ; Vol. 90, No. 1. pp. 116-123.
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Kuchipudi, SV, Dunham, SP, Nelli, R, AWhite, G, Coward, VJ, Slomka, MJ, Brown, IH & Chang, KC 2012, 'Rapid death of duck cells infected with influenza: A potential mechanism for host resistance to H5N1', Immunology and Cell Biology, vol. 90, no. 1, pp. 116-123. https://doi.org/10.1038/icb.2011.17

Rapid death of duck cells infected with influenza : A potential mechanism for host resistance to H5N1. / Kuchipudi, Suresh V.; Dunham, Stephen P.; Nelli, Rahul; AWhite, Gavin; Coward, Vivien J.; Slomka, Marek J.; Brown, Ian H.; Chang, Kin Chow.

In: Immunology and Cell Biology, Vol. 90, No. 1, 01.01.2012, p. 116-123.

Research output: Contribution to journalArticle

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