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C1q Binding to Dengue Virus Decreases Levels of Infection and Inflammatory Molecules Transcription in THP-1 Cells

Overview
Journal Virus Res
Specialty Microbiology
Date 2013 Nov 20
PMID 24246304
Citations 12
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Abstract

Dengue virus infection elicits a spectrum of clinical presentations ranging from asymptomatic to severe disease. The mechanisms leading to severe dengue are not known, however it has been reported that the complement system is hyper-activated in severe dengue. Screening of complement proteins demonstrated that C1q, a pattern recognition molecule, can bind directly to dengue virus envelope protein and to whole dengue virus serotype 2. Incubation of dengue virus serotype 2 with C1q prior to infection of THP-1 cells led to decreased virus infectivity and modulation of mRNA expression of immunoregulatory molecules suggesting reduced inflammatory responses.

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