Abstract
Herpes simplex virus 1 (HSV-1), a double-stranded DNA virus, infects epithelial surfaces and establishes latency in the central nervous system, where astrocytes are a major immune cell type. Here, we report changes that occur in the expression of pathogen recognition receptors, such as Toll-like receptors, DNA and RNA sensors, interferons, and interferon-stimulated genes, when astrocytes are infected with HSV-1 strain F. We observed upregulation of Toll-like receptors 2, 6 and 9, MDA5, and DAI along with an increase in the expression of type I interferons and interferon-stimulated genes such as IFIT1, IFIT3 and RNase L. These genes encode proteins that mediate the antiviral immune response.
Abbreviations
- AIM2:
-
Absent in melanoma 2
- cGAS:
-
Cyclic GMP-AMP synthase
- DAI:
-
DNA-dependent activator of IFN-regulatory factors
- DHX9:
-
DExD/H-box helicase
- eIF:
-
Eukaryotic initiation factor
- GAS:
-
Gamma-interferon-activation sites
- HSV-1:
-
Herpes simplex virus 1
- IFN:
-
Interferon
- IFN-R:
-
Interferon receptor
- IFI204:
-
IFN-inducible gene 204
- IFIT:
-
Interferon-induced proteins with tetracopeptide repeats
- IRES:
-
Internal ribosome entry site
- IRF:
-
Interferon regulatory factor
- ISG:
-
Interferon-stimulated gene
- ISRE:
-
Interferon-stimulated response element
- JAK:
-
Janus kinase
- MDA-5:
-
Melanoma differentiation-associated protein 5
- PAMP:
-
Pathogen-associated molecular pattern
- PKR:
-
Protein kinase R
- PRR:
-
Pathogen recognition receptor
- RIG-1:
-
Retinoic-acid-inducible gene 1
- RNaseL:
-
Latent RNase
- STAT:
-
Signal transducer and activator of transcription
- TLR:
-
Toll-like receptor
- Tyk-2:
-
Tyrosine kinase 2
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Acknowledgements
Y.D.B and B.S were supported by the Department of Biotechnology and Infect-eRA (DBT, BT/In /InfecteRA /33/BS/2016-17). A visit by B.S. to Case Western Reserve University was supported by P30 AI0362 19.
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Bansode, Y.D., Chattopadhyay, D. & Saha, B. Innate immune response in astrocytes infected with herpes simplex virus 1. Arch Virol 164, 1433–1439 (2019). https://doi.org/10.1007/s00705-019-04197-x
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DOI: https://doi.org/10.1007/s00705-019-04197-x