Pathophysiology of chikungunya virus infection associated with fatal outcomes.
alphavirus
arbovirus
central nervous system infection
chikungunya death
chikungunya virus
hemodynamic disorders
inflammation
mosquito-borne virus
pathophysiology
Journal
Cell host & microbe
ISSN: 1934-6069
Titre abrégé: Cell Host Microbe
Pays: United States
ID NLM: 101302316
Informations de publication
Date de publication:
08 Mar 2024
08 Mar 2024
Historique:
received:
16
08
2023
revised:
08
12
2023
accepted:
16
02
2024
medline:
14
3
2024
pubmed:
14
3
2024
entrez:
13
3
2024
Statut:
aheadofprint
Résumé
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus that causes acute, subacute, and chronic human arthritogenic diseases and, in rare instances, can lead to neurological complications and death. Here, we combined epidemiological, virological, histopathological, cytokine, molecular dynamics, metabolomic, proteomic, and genomic analyses to investigate viral and host factors that contribute to chikungunya-associated (CHIK) death. Our results indicate that CHIK deaths are associated with multi-organ infection, central nervous system damage, and elevated serum levels of pro-inflammatory cytokines and chemokines compared with survivors. The histopathologic, metabolite, and proteomic signatures of CHIK deaths reveal hemodynamic disorders and dysregulated immune responses. The CHIKV East-Central-South-African lineage infecting our study population causes both fatal and survival cases. Additionally, CHIKV infection impairs the integrity of the blood-brain barrier, as evidenced by an increase in permeability and altered tight junction protein expression. Overall, our findings improve the understanding of CHIK pathophysiology and the causes of fatal infections.
Identifiants
pubmed: 38479396
pii: S1931-3128(24)00054-4
doi: 10.1016/j.chom.2024.02.011
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests M.S.D. is a consultant or advisor for Inbios, Ocugen, Vir Biotechnology, Topspin Therapeutics, Moderna, Merck, and Immunome. The Diamond laboratory has received funding support from Emergent BioSolutions, Moderna, and Vir Biotechnology.