Xiyang Zhang, Yubo Sun, Jiaxing Zhang, Junqi Zhang, Jing Wang, Chenchen Hu, Yueyue Wang, Feiming Hu, Sirui Cai, Yuanli He, Yang Liu, Yuanjie Sun, Shuya Yang, Dongbo Jiang, Kun Yang
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引用次数: 0
Abstract
Marburg virus (MARV) is a zoonotic virus that can infect humans and non-human primates (NHPs) and lead to a fatal Marburg hemorrhagic fever (MHF), while there is no approved vaccine or antiviral treatment for MHF. The nucleic acid vaccine has unique advantages, including fast and simple preparation, easy to follow the virus mutation situation, and less adverse reactions. Therefore, we constructed the DNA and mRNA candidate vaccines based on codon-optimized MARV glycoprotein sequence, and evaluated the immune effect in mice through ELISA, ELISpot, and Flow cytometry. After the second booster immunization, both of the candidate vaccines induced strong humoral immune response, enhanced T cell response, and elicited neutralizing antibodies. Notably, DNA candidate vaccine induced stronger humoral immune response, while mRNA candidate vaccine elicited higher levels of IFN-γ and IL-4. In addition, transcriptome analysis revealed that the candidate vaccines activated immune response related pathways. Our study shed new light on the nucleic acid vaccines for MARV and further confirmed the potential of nucleic acid vaccine for future MHF prevention and control.
期刊介绍：
Medical Microbiology and Immunology (MMIM) publishes key findings on all aspects of the interrelationship between infectious agents and the immune system of their hosts. The journal´s main focus is original research work on intrinsic, innate or adaptive immune responses to viral, bacterial, fungal and parasitic (protozoan and helminthic) infections and on the virulence of the respective infectious pathogens.
MMIM covers basic, translational as well as clinical research in infectious diseases and infectious disease immunology. Basic research using cell cultures, organoid, and animal models are welcome, provided that the models have a clinical correlate and address a relevant medical question.
The journal also considers manuscripts on the epidemiology of infectious diseases, including the emergence and epidemic spreading of pathogens and the development of resistance to anti-infective therapies, and on novel vaccines and other innovative measurements of prevention.
The following categories of manuscripts will not be considered for publication in MMIM:
submissions of preliminary work, of merely descriptive data sets without investigation of mechanisms or of limited global interest,
manuscripts on existing or novel anti-infective compounds, which focus on pharmaceutical or pharmacological aspects of the drugs,
manuscripts on existing or modified vaccines, unless they report on experimental or clinical efficacy studies or provide new immunological information on their mode of action,
manuscripts on the diagnostics of infectious diseases, unless they offer a novel concept to solve a pending diagnostic problem,
case reports or case series, unless they are embedded in a study that focuses on the anti-infectious immune response and/or on the virulence of a pathogen.
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