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Genetic Landscape of a Cohort of Children with Varicella Zoster Virus Encephalitis, Cerebellitis, and Stroke

par Winzig, Franziska;De Keukeleere, Kerstin;Bartholomeus, Esther;Deconinck, Nicolas ;Barrea, Christophe;Matthijs, Inge;Jansen, Anna C M A.C.;Verhelst, Hélène;Dielman, Charlotte;Kuznetsova, Maria;Ha, My;Suls, Arvid;Van Der Sluis, Renée R.M.;Ogunjimi, Benson;Mogensen, Trine Hyrup
Référence The Journal of infectious diseases, 233, 3, page (510-520)
Publication Publié, 2026-03-01

Article révisé par les pairs

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Résumé :

Varicella zoster virus (VZV) is a neurotropic member of the Herpesviridae family that causes varicella in primary infection and zoster during reactivation but in rare cases can lead to severe neurological complications, such as encephalitis. To identify inborn errors of immunity and unravel pathways involved in VZV central nervous system (CNS) immune responses and pathogenesis, we performed whole exome sequencing on a cohort of 38 children with neurological manifestations, including VZV encephalitis, cerebellitis, or stroke. We identified a total of 46 rare potentially pathogenic variants predicted to be deleterious, including variants in innate antiviral immunity, inflammation, cell stress responses, and autophagy. Collectively, these findings represent a knowledge base for further functional studies, provide new insights into the genetic landscape of VZV CNS infections, and highlight potential genetic defects that may compromise host defense, enabling new avenues for diagnosis and personalized treatment strategies for VZV CNS infections.