Upcoming Conference

On 12- 14 November 2019 ReSViNET Foundation will host its 5th conference: “RSVVW 2019 - A Global Conference on Novel RSV Interventions" in Accra, Ghana. ​
RSV (Respiratory Syncytial Virus) infection is the second most important cause of death during infancy, especially in developing countries. 
Since the inception of ReSViNET network in 2014, we have continuously been working to fulfil our Vision and Mission with the goal to decrease the global burden of RSV infection through the advancement of research; providing scientific input and involvement in clinical trials. ReSViNET Foundation is a financially and otherwise independent regulated entity.

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PAPER OF THE MONTH

Epithelial HMGB1: a novel treatment target for RSV infection
Rayavara K, Kurosky A, Stafford SJ, Garg NJ, Brasier AR, Garofalo RP, Hosakote YM

The first epithelial molecular events upon infection define the size and direction of the inflammatory response, which ultimately defines disease in RSV infected patients. Rayavara and collegues shed a light on this complex process. Previously, this group showed that RSV promotes the release of high mobility group box 1 (HMGB1) by airway epithelial cells. HMGB1 is a nuclear protein, which becomes an alarmin after secretion to the extracellular space to induce an inflammatory response. 
In the current study they show, that HMGB1 forms a link between the infected respiratory epithelium and  the response by immune cells. After RSV infection, HMGB1 is expressed by airway epithelial cells. This process is dependent on TLR4 and is mediated by the MAPK and NF-kB pathway. Blocking of TLR4 or the NF-kB pathway in AECs, decreases the expression of HMGB1. Next they show that HMGB1 stimulates primary immune cells, such as monocytes and macrophages, to produce inflammatory cytokines and chemokines. 
Blocking the HMGB1 pathway, under an umbrella of antiviral treatment, might limit immune pathology and thereby ameliorate the course of disease in children with RSV infection. 

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