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Updated: Aug 7, 2026
04:23
A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
Published on: April 28, 2019
Autoimmune pathogenesis in dengue virus infection
Chiou-Feng Lin1, Shu-Wen Wan, Hsien-Jen Cheng
1Department of Microbiology and Immunology, National Cheng Kung University Medical College, Tainan, Taiwan.
Viral Immunology
|July 5, 2006
Summary
Autoimmunity plays a key role in dengue hemorrhagic fever and dengue shock syndrome pathogenesis. Antibodies targeting dengue virus nonstructural protein 1 (NS1) may cause platelet and endothelial cell damage, informing vaccine development.
Area of Science:
- Virology
- Immunology
- Pathogenesis
Background:
- Dengue hemorrhagic fever and dengue shock syndrome (DHF/DSS) pathogenesis remains unclear.
- DHF/DSS manifestations include thrombocytopenia, vascular leakage, and hepatomegaly.
- Abnormal host immune responses and viral autoimmunity are implicated in DHF/DSS progression.
Purpose of the Study:
- To review the role of autoimmunity in dengue virus (DV) pathogenesis.
- To explore the implications of anti-DV nonstructural protein 1 (NS1) antibodies.
- To hypothesize the involvement of anti-DV NS1 in DHF/DSS and its relevance for vaccine development.
Main Methods:
- Literature review on viral autoimmunity and dengue pathogenesis.
- Discussion of cross-reactivity of anti-DV NS1 antibodies with host cells.
- Hypothesis formulation based on existing evidence.
Main Results:
- Antibodies against DV NS1 exhibit cross-reactivity with human platelets and endothelial cells.
- This cross-reactivity can lead to platelet and endothelial cell damage.
- Inflammatory activation is associated with anti-DV NS1 antibody activity.
Conclusions:
- Anti-DV NS1 antibodies are hypothesized to be involved in the pathogenesis of dengue fever (DF) and DHF/DSS.
- Understanding this autoimmune mechanism offers insights for developing effective dengue vaccines.
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