Publication
Encephalitis and poor neuronal death-mediated control of herpes simplex virus in human inherited RIPK3 deficiency
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- Last modified
- 06/25/2025
- Type of Material
- Authors
- Language
- English
- Date
- 2023-04-01
- Publisher
- American Association for the Advancement of Science
- Publication Version
- Copyright Statement
- © 2024 American Association for the Advancement of Science. All rights reserved.
- License
- Final Published Version (URL)
- Title of Journal or Parent Work
- Volume
- 8
- Issue
- 82
- Start Page
- eade2860
- End Page
- eade2860
- Grant/Funding Information
- This work was conducted in the two branches of the Laboratory of Human Genetics of Infectious Diseases, and was funded in part by the National Center for Advancing Translational Sciences (NCATS), National Institutes of Health (NIH), Clinical and Translational Science Award (CTSA) program, grant UL1TR001866, NIH grants R01AI088364, R01NS072381, R01AI020211 and R21AI151663, grants from the Integrative Biology of Emerging Infectious Diseases Laboratory of Excellence (ANR-10-LABX-62-IBEID) and the French National Research Agency (ANR) under the “Investments for the future” program (ANR-10-IAHU-01), the ANR grants IEIHSEER (ANR-14-CE14-0008-01), SEAeHostFactors (ANR-18-CE15-0020-02), and CNSVIRGEN (ANR-19-CE15-0009-01), the French Foundation for Medical Research (FRM) (EQU201903007798), the Square Foundation, Grandir - Fonds de solidarité pour l’enfance, the SCOR Corporate Foundation for Science, the Rockefeller University, Institut National de la Santé et de la Recherche Médicale (INSERM), Paris Cité University, and the St. Giles Foundation. LDN is supported by the Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health. Y.H.C. was supported by the A*STAR International Fellowship (AIF). P.B. was supported by the FRM (EA20170638020) and the MD-PhD program of the Imagine Institute (with the support of the Fondation Bettencourt Schueller). E.S.M. is supported by NIH grant R01AI020211.
- Supplemental Material (URL)
- Abstract
- Inborn errors of TLR3-dependent type I IFN immunity in cortical neurons underlie forebrain herpes simplex virus-1 (HSV-1) encephalitis (HSE) due to uncontrolled viral growth and subsequent cell death. We report an otherwise healthy patient with HSE who was compound heterozygous for nonsense (R422∗) and frameshift (P493fs9∗) RIPK3 variants. Receptor-interacting protein kinase 3 (RIPK3) is a ubiquitous cytoplasmic kinase regulating cell death outcomes, including apoptosis and necroptosis. In vitro, the R422∗ and P493fs9∗ RIPK3 proteins impaired cellular apoptosis and necroptosis upon TLR3, TLR4, or TNFR1 stimulation and ZBP1/DAImediated necroptotic cell death after HSV-1 infection. The patient's fibroblasts displayed no detectable RIPK3 expression. After TNFR1 or TLR3 stimulation, the patient's cells did not undergo apoptosis or necroptosis. After HSV-1 infection, the cells supported excessive viral growth despite normal induction of antiviral IFN-â and IFN-stimulated genes (ISGs). This phenotype was, nevertheless, rescued by application of exogenous type I IFN. The patient's human pluripotent stem cell (hPSC)-derived cortical neurons displayed impaired cell death and enhanced viral growth after HSV-1 infection, as did isogenic RIPK3-knockout hPSC-derived cortical neurons. Inherited RIPK3 deficiency therefore confers a predisposition to HSE by impairing the cell death-dependent control of HSV-1 in cortical neurons but not their production of or response to type I IFNs.
- Author Notes
- Keywords
- Research Categories
- Biology, Virology
- Biology, Neuroscience
- Biology, Cell
- Health Sciences, Immunology
- Biology, Microbiology
- Biology, Genetics
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