Fig. 4From: A critical overview of current progress for COVID-19: development of vaccines, antiviralĀ drugs, and therapeutic antibodiesDiagrammatic illustration of mRNA-LNPs complex preparation and testing. A Synthesis of IVT mRNA. 1. Restriction enzyme digestion for DNA plasmid linearization; 2. Co-transcriptional capping of IVT; 3. DNase treatment and cellulose-based purification of IVT mRNA. B Schematic representation of the LNPs-encapsulated mRNA. C In vitro assay of protein expression from mRNA-LNPs. D Immunogenicity assessment of mRNA-LNPs in vivoBack to article page