Immunogenic characterization of AlPO4 adsorbed Td vaccine and liposome-mediated Td vaccine.

Remees Shuhsadhe, Junise Vazhayil, Heyam Saad Ali, Hiba Orsud, Ahmed Elmontaser Omer Mergani
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Abstract

Purpose: The purpose of this study was to compare the antigenic potency and stability of tetanus and diphtheria (Td) vaccines when combined with aluminum phosphate (AlPO4) and liposome adjuvants.

Materials and methods: In vitro and in vivo analyses were conducted using the single radial immunodiffusion method and sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The Td vaccines were prepared with AlPO4 adsorption and liposome-mediated delivery, and protein antigens were characterized using these methods.

Results: The results revealed that the liposome-mediated Td vaccines exhibited higher immunogenicity compared to the AlPO4-adsorbed Td vaccines. Additionally, the liposome-mediated Td vaccines demonstrated higher stability as native antigens.

Conclusion: This study highlights the importance of utilizing liposome adjuvants in vaccine development. The liposome-mediated Td vaccines showed enhanced immunogenicity and stability, making them a promising approach for improving vaccine efficacy. Understanding and optimizing adjuvant strategies can contribute to the development of effective vaccines against various diseases.

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AlPO4吸附和脂质体介导的Td疫苗的免疫原性研究。
目的:比较磷酸铝(AlPO4)和脂质体佐剂联合使用破伤风和白喉(Td)疫苗的抗原性和稳定性。材料和方法:采用单径向免疫扩散法和十二烷基硫酸钠-聚丙烯酰胺凝胶电泳法进行体外和体内分析。采用AlPO4吸附法和脂质体介导递送法制备了Td疫苗,并对其蛋白抗原进行了表征。结果:脂质体介导的Td疫苗比alpo4吸附的Td疫苗具有更高的免疫原性。此外,脂质体介导的Td疫苗作为天然抗原表现出更高的稳定性。结论:本研究强调了脂质体佐剂在疫苗开发中的重要性。脂质体介导的Td疫苗具有较强的免疫原性和稳定性,是一种很有前途的提高疫苗效力的方法。了解和优化佐剂策略有助于开发针对各种疾病的有效疫苗。
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来源期刊
CiteScore
3.70
自引率
3.70%
发文量
29
审稿时长
8 weeks
期刊介绍: Clin Exp Vaccine Res, the official English journal of the Korean Vaccine Society, is an international, peer reviewed, and open-access journal. It covers all areas related to vaccines and vaccination. Clin Exp Vaccine Res publishes editorials, review articles, special articles, original articles, case reports, brief communications, and correspondences covering a wide range of clinical and experimental subjects including vaccines and vaccination for human and animals against infectious diseases caused by viruses, bacteria, parasites and tumor. The scope of the journal is to disseminate information that may contribute to elaborate vaccine development and vaccination strategies targeting infectious diseases and tumors in human and animals. Relevant topics range from experimental approaches to (pre)clinical trials for the vaccine research based on, but not limited to, basic laboratory, translational, and (pre)clinical investigations, epidemiology of infectious diseases and progression of all aspects in the health related issues. It is published printed and open accessed online issues (https://ecevr.org) two times per year in 31 January and 31 July. Clin Exp Vaccine Res is linked to many international databases and is made freely available to institutions and individuals worldwide
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