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We developed a promising mRNA vaccine against severe fever with thrombocytopenia syndrome (SFTS), an infectious disease caused by the SFTS virus that is primarily transmitted through tick bites. Administration of lipid nanoparticle-encapsulated mRNA-Gn successfully induced neutralizing antibodies and T-cell responses in mice. The vaccinated mice were protected against a lethal SFTS virus challenge, suggesting that this mRNA vaccine may be an effective and successful SFTS vaccine candidate.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10618158 | PMC |
http://dx.doi.org/10.1038/s41541-023-00771-2 | DOI Listing |
Fish Shellfish Immunol
September 2025
College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, China; Nansha-South China Agricultural University Fishery Research Institute, Guangzhou, 511464, China. Electronic address:
Sea perch is one of the most important fish species farmed in China. However, the frequent outbreak of viral diseases induced by sea perch iridovirus (SPIV) always caused high mortality and heavy economic losses in sea perch aquaculture. Up to now, no effective countermeasures against SPIV infection have been established.
View Article and Find Full Text PDFVirol Sin
September 2025
State Key Laboratory of Virology and Biosafety, RNA Institute, College of Life Sciences and Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430072, China; Institute for Vaccine Research at Animal Bio-safety Level Ⅲ Laboratory, Wuhan University, Wuhan, 430071, China.
Since the outbreak of SARS-CoV-2 in late 2019, the cumulative number of confirmed cases worldwide has surpassed 778 million, and the number of deaths has exceeded 7 million, posing a significant threat to human life and health while inflicting enormous losses on the global economy. At the stage where sequential immunization is recommended, there is a pressing demand for mRNA vaccines that can be rapidly adapted to new sequences, are easy to industrialize, and exhibit high safety and effectiveness. We developed a lipid nanoparticle (LNP) system, designated as WNP, which facilitates essentially in situ expression at the injection site and results in lower levels of pro-inflammatory factors in the liver, thus enhancing its safety compared to liver-targeted alternatives.
View Article and Find Full Text PDFAutoimmunity
December 2025
Medicinal Genomics, Beverly, MA, USA.
For some of the COVID-19 vaccines, the drug substances released to market were manufactured differently than those used in clinical trials. Manufacturing nucleoside-modified mRNA (modRNA) for commercial COVID-19 vaccines relies on RNA polymerase transcription of a plasmid DNA template. Previous studies identified high levels of plasmid DNA in vials of modRNA vaccines, suggesting that the removal of residual DNA template is problematic.
View Article and Find Full Text PDFCarbohydr Polym
November 2025
Department of Pharmaceutics, Parul Institute of Pharmacy, Faculty of Pharmacy, Parul University, Waghodia, Vadodara, 391760, Gujarat, India; Centre for Research Impact & Outcome, Chitkara College of Pharmacy, Chitkara University, Rajpura, 140401, Punjab, India; Faculty of Pharmacy, Silpakorn Univers
As a diverse natural polymer called Chitosan, it created ground-breaking advancements in nucleic acid therapeutic delivery techniques for handling essential DNA and RNA delivery hurdles. The article investigates how nucleic acids form stable polyplexes with chitosan through electrostatic bonds, as well as explores their chemical and biological properties. The review explores how molecular weight, combined with the degree of deacetylation, combined with advanced functionalization strategies, help enhance delivery results.
View Article and Find Full Text PDFLancet Microbe
September 2025
Centre for Clinical Microbiology, Division of Infection and Immunity, University College London, London, UK; NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London NW3 OPQ, UK. Electronic address: