Using Bicistronic Baculovirus Expression Vector System to Screen the Compounds That Interfere with the Infection of Chikungunya Virus
2016
Chikungunya virus (CHIKV) is the etiologic agent of Chikungunya fever and has emerged in many countries over the past decade. There are no effective drugs for controlling the disease. A bicistronic baculovirus expression system was utilized to co-express CHIKV structural proteins C (capsid), E2 and E1 and the enhanced green fluorescence protein (EGFP) in Spodoptera frugiperda insect cells (Sf21). The EGFP-positive Sf21 cells fused with each other and with uninfected cells to form a syncytium is mediated by the CHIKV E1 allowing it to identify chemicals that can prevent syncytium formation. The compounds characterized by this method could be anti-CHIKV drugs.
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