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Complications arising from dengue virus infection include potentially fatal vascular leak, and severe disease has been linked with excessive immune cell activation. An understanding of the triggers of this activation is critical for the development of appropriately targeted disease control strategies. We show here that the secreted form of the dengue virus… (More)
The flavivirus non-structural protein, NS1, is an unusual viral gene product. Despite the recent unveiling of its atomic structure (Akey et al., 2014), and a growing list of host molecules with which it has been found associated, the primary function of NS1 remains elusive. It assumes many diverse roles including direct participation in the flaviviral… (More)
BACKGROUND Dengue viruses (DENV 1-4) are emerging across the world, and these viruses pose a risk to transfusion safety. Pathogen inactivation may be an alternative approach for managing the risk of DENV transfusion transmission. This study aimed to investigate the ability of riboflavin and UV light to inactivate DENV 1-4 in platelet concentrates. … (More)
The secreted hexameric form of the dengue virus (DENV) non-structural protein 1 (NS1) has recently been shown to elicit inflammatory cytokine release and disrupt endothelial cell monolayer integrity. This suggests that circulating NS1 contributes to the vascular leak that plays a major role in the pathology of dengue haemorrhagic fever and shock. Pathways… (More)
Multiple risk factors may cause progression to severe dengue.