The rapid development of messenger RNA(mRNA)vaccines formulated with lipid nanoparticles(LNPs)has contributed to control of the COVID-19 ***,mRNA vaccines have raised concerns about their potential toxicity and clinic...
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The rapid development of messenger RNA(mRNA)vaccines formulated with lipid nanoparticles(LNPs)has contributed to control of the COVID-19 ***,mRNA vaccines have raised concerns about their potential toxicity and clinical safety,including side effects,such as myocarditis,anaphylaxis,and *** this study,we investigated the potential of trehalose glycolipids-containing LNP(LNP S050L)to reduce the risks associated with ionizable *** glycolipids can form hydrogen bonds with polar biomolecules,allowing the formation of a stable LNP structure by replacing half of the ionizable *** efficacy and safety of LNP S050L were evaluated by encapsulating the mRNA encoding the luciferase reporter gene and measuring gene expression and organ toxicity,***,mice immunized with an LNP S050L-formulated mRNA vaccine expressing influenza hemagglutinin exhibited a significant reduction in organ toxicity,including in the heart,spleen,and liver,while sustaining gene expression and immune efficiency,compared to conventional LNPs(Con-LNPs).Our findings suggest that LNP S050L,a trehalose glycolipid-based LNP,could facilitate the development of safe mRNA vaccines with improved clinical safety.
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