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Identifying Caspases and their Motifs that Cleave Proteins During Influenza A Virus Infection
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Caspases control antiviral innate immunity

Huihui Chen1, Xiaohan Ning2,3,4, Zhengfan Jiang3

  • 1Shenzhen BOLI Pharmaceutical Co., Ltd, Shenzhen, Guangdong 518040, China.

Cellular & Molecular Immunology
|July 11, 2017
PubMed

Insights

Caspases, crucial cysteine proteases, play key roles in antiviral immunity. They regulate key signaling molecules and cell death pathways, offering sophisticated defense against viral infections.

Area of Science:

  • Immunology
  • Molecular Biology
  • Virology

Background:

  • Caspases are cysteine proteases with known roles in apoptosis and inflammation.
  • Emerging evidence highlights their significance in innate antiviral immunity.
  • Viral infections trigger inflammasome activation and cell death pathways involving caspases.

Purpose of the Study:

  • To review recent discoveries on the diverse functions of caspases in antiviral innate immunity.
  • To elucidate the mechanisms by which caspases modulate antiviral responses.
  • To highlight the involvement of caspases in virus-induced cell death.

Main Methods:

  • Literature review of cutting-edge research on caspases and antiviral immunity.
  • Analysis of studies investigating caspase involvement in inflammasome activation and cytokine signaling.
  • Examination of data on caspase-mediated apoptosis and pyroptosis during viral infections.

Main Results:

  • Caspases fine-tune antiviral signaling adapters and cytokines, including type I interferons.
  • Multiple caspases are implicated in apoptosis and pyroptosis during viral infections.
  • Caspases exhibit multifaceted roles beyond programmed cell death in antiviral defense.

Conclusions:

  • Caspases are critical regulators of the innate antiviral immune response.
  • Understanding caspase functions is essential for developing novel antiviral strategies.
  • Caspases represent a sophisticated defense mechanism against viral pathogens.

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