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[Research progress in rotavirus VP4 subunit vaccine]
Lianzhi Jia1, Tingdong Li1, Shengxiang Ge1
1State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infection Disease, School of Public Health, Xiamen University, Xiamen 361102, Fujian, China.
Insights
Rotavirus vaccines are crucial for preventing childhood diarrhea but face challenges in effectiveness and safety. This review explores advancements in recombinant rotavirus vaccines, particularly VP4 subunit vaccines, for improved global health outcomes.
Area of Science:
- Virology
- Immunology
- Vaccinology
Background:
- Rotaviruses are a primary cause of severe acute diarrhea in children globally, imposing significant social and economic burdens.
- Current rotavirus vaccines exhibit limited efficacy in certain low-income regions and raise safety concerns, such as intussusception risk.
- There is an urgent need for more effective and safer rotavirus vaccines to reduce childhood morbidity and mortality.
Purpose of the Study:
- To review the recent developments in recombinant rotavirus vaccines.
- To focus on the advancements in VP4 subunit vaccines as a promising strategy.
- To provide insights for future research and development of improved rotavirus vaccines.
Main Methods:
- Literature review of rotavirus vaccine research.
- Analysis of developments in recombinant vaccine technologies.
- Focus on VP4 subunit vaccine strategies.
Main Results:
- Inactive vaccines are a current trend in rotavirus vaccine research.
- Recombinant rotavirus vaccines, especially VP4 subunit vaccines, show potential for enhanced efficacy and safety.
- Progress in subunit vaccine development offers a pathway to overcome limitations of existing vaccines.
Conclusions:
- Recombinant rotavirus vaccines, particularly VP4 subunit vaccines, represent a significant advancement in controlling rotavirus infections.
- Further research into these recombinant approaches is essential for developing globally effective and safe vaccines.
- Improving rotavirus vaccine efficiency and safety is critical for reducing the global impact of rotavirus disease.
Abstract:
Rotaviruses are leading causes of worldwide acute diarrhea in children younger than 5 years old, with severe consequence of social and economic burden. Vaccination is the most effective way to control rotavirus infection, however, the licensed rotavirus vaccines are ineffective in some low-income countries of Africa and Asia, where the mortality caused by rotavirus is higher than other areas. In addition, there are also safety concerns such as increased risk of intussusception. Therefore, it is urgent to improve the efficiency and safety of rotavirus vaccine to reduce the morbidity and mortality caused by rotavirus. Till now, many efforts are made to improve the effectiveness of rotavirus vaccines, and the inactive vaccine becomes the main trend in the research of rotavirus vaccine. The developments in recombinant rotavirus vaccines, especially in VP4 subunit vaccines are summarized in this review, and it could be helpful to develop effective recombinant rotavirus vaccines in further studies.
