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Updated: Apr 5, 2026

siRNA Electroporation to Modulate Autophagy in Herpes Simplex Virus Type 1-Infected Monocyte-Derived Dendritic Cells
Published on: October 28, 2019
Basal Autophagy Is Required for Herpes simplex Virus-2 Infection
Abraam M Yakoub1, Deepak Shukla1
11] Department of Microbiology and Immunology, University of Illinois, Chicago, IL USA, 60612 [2] Department of Ophthalmology and Visual Sciences, University of Illinois Medical Center, Chicago, IL USA, 60612.
Basal autophagy, unlike induced autophagy, is essential for Herpes simplex virus-2 (HSV-2) replication. Suppressing basal autophagy significantly reduces HSV-2 infection, highlighting its critical role in supporting viral proliferation.
Area of Science:
- Cellular biology
- Virology
- Immunology
Background:
- Autophagy is a key cellular process involved in infection regulation.
- The specific role of autophagy in Herpes simplex virus-2 (HSV-2) infection remains unclear.
Purpose of the Study:
- To investigate the role of basal autophagy in HSV-2 infection.
- To differentiate the functions of basal versus induced autophagy in viral pathogenesis.
Main Methods:
- Utilized pharmacological autophagy suppression.
- Employed genetically modified cells deficient in the autophagy-essential gene ATG5.
- Monitored viral replication and infection levels.
Main Results:
- HSV-2 infection does not induce autophagy but maintains basal levels.
- Interference with basal autophagy flux significantly reduced HSV-2 replication.
- Basal autophagy was found to be indispensable for productive HSV-2 infection.
Conclusions:
- Basal autophagy supports HSV-2 infection, acting as a pro-viral factor.
- Induced autophagy functions as an antiviral mechanism, clearing the infection.
- A clear distinction exists between basal and induced autophagy in the context of HSV-2 infection.
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