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Author Spotlight: Flow Cytometric Determination of Pyroptosis in Avian Cells
Published on: May 31, 2024
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Pyroptosis in Antiviral Immunity.
Teneema Kuriakose1, Thirumala-Devi Kanneganti2
1Department of Immunology, St. Jude Children's Research Hospital, MS #351, 262 Danny Thomas Place, 38105-3678, Memphis, TN, USA.
Current Topics in Microbiology and Immunology
|December 26, 2019
Summary
Pyroptosis, a programmed cell death, is crucial for innate immunity against viruses. This inflammatory process, involving caspases and gasdermin D, eliminates infected cells to restrict pathogen spread.
Area of Science:
- Immunology
- Cell Biology
- Virology
Background:
- Pyroptosis is a lytic, programmed cell death mechanism integral to innate immunity.
- It acts as a host defense against pathogens, including viruses, by initiating inflammation.
- Activation involves caspases (caspase-1, -11, -4, -5) and inflammasomes.
Approach:
- This review synthesizes current literature on pyroptosis in antiviral immunity.
- It examines the molecular mechanisms and key players involved in pyroptosis induction.
- The role of gasdermin D as the pyroptosis executioner is highlighted.
Key Points:
- Pyroptosis utilizes inflammatory caspases and inflammasomes to induce cell death.
- Gasdermin D forms pores, releasing IL-1β and IL-18, crucial for immune response.
- This process eliminates infected cells, limiting viral replication and spread.
- Viruses have evolved mechanisms to manipulate pyroptosis and inflammasome signaling.
Conclusions:
- Pyroptosis plays a significant role in host defense against viral infections.
- Understanding pyroptosis mechanisms is key to developing antiviral strategies.
- Further research is needed on viral modulation of pyroptosis for therapeutic targets.
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