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Updated: Mar 7, 2026

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
Published on: April 28, 2019
The role of the unfolded protein response in dengue virus pathogenesis
Nilanka Perera1,2, Joanna L Miller1, Nicole Zitzmann1
1Antiviral Research Unit, Oxford Glycobiology Institute, Department of Biochemistry, University of Oxford, Oxford, UK.
Abstract:
Symptomatic dengue virus (DENV) infections range from mild fever to severe haemorrhagic disease and death. Host-viral interactions play a significant role in deciding the fate of the infection. The unfolded protein response (UPR) is a prosurvival cellular reaction induced in response to DENV-mediated endoplasmic reticulum stress. The UPR has complex interactions with the cellular autophagy machinery, apoptosis, and innate immunity. DENV has evolved to manipulate the UPR to facilitate its replication and to evade host immunity. Our knowledge of this intertwined network of events is continuously developing. A better understanding of the UPR mediated antiviral and proviral effects will shed light on dengue disease pathogenesis and may help development of anti-DENV therapeutics. This review summarizes the role of the UPR in viral replication, autophagy, and DENV-induced inflammation to describe how a host response contributes to DENV pathogenesis.
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