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ZMPSTE24 Is Downstream Effector of Interferon-Induced Transmembrane Antiviral Activity
Shitao Li1, Bishi Fu2,3, Lingyan Wang1
11 Department of Physiological Sciences, Oklahoma State University , Stillwater, Oklahoma.
DNA and Cell Biology
|June 9, 2017
Summary
The zinc metalloprotease ZMPSTE24 limits viral infections as a host restriction factor. Its antiviral role is independent of enzymatic activity and linked to interferon-induced pathways.
Area of Science:
- Virology
- Molecular Biology
- Immunology
Background:
- The zinc metalloprotease ZMPSTE24 is a host restriction factor.
- It is constitutively and ubiquitously expressed.
- ZMPSTE24 limits infection by a broad spectrum of enveloped viruses.
Purpose of the Study:
- To investigate the role of ZMPSTE24 in antiviral defense.
- To determine if ZMPSTE24's enzymatic activity is required for its antiviral function.
- To identify the antiviral pathway associated with ZMPSTE24.
Main Methods:
- Protein interaction studies.
- Genetic complementation studies.
- In vivo studies with zmpste24-deficient mice.
Main Results:
- ZMPSTE24 limits infection by influenza A, vesicular stomatitis, zika, ebola, Sindbis, cowpox, and vaccinia viruses.
- Antiviral function is independent of ZMPSTE24 enzymatic activity.
- ZMPSTE24 is a component of a common antiviral pathway associated with interferon-induced transmembrane proteins.
Conclusions:
- ZMPSTE24 is a crucial host factor for antiviral defense against enveloped viruses.
- The antiviral mechanism of ZMPSTE24 involves its association with interferon-induced transmembrane proteins.
- ZMPSTE24 plays a significant role in innate immunity against viral pathogens.
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