ASFV subunit vaccines: Strategies and prospects for future development
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Published on: May 6, 2015
Yuchen Zhang1, Xiuzhen Mei1, Chao Zhang2
1College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China; Jiangsu Academy of Agricultural Sciences, Veterinary Research Institute, Nanjing, Jiangsu, 210014, China; Veterinary Biological Products (Taizhou) Guotai Technology Innovation Center, Taizhou, 225300, China.
Abstract:
African Swine Fever (ASF) is an acute, highly contagious, and lethal disease caused by the African Swine Fever Virus (ASFV), posing a severe threat to the global pig farming industry. Although live vaccines are currently available, preventing and controlling ASF remains a considerable challenge. Several factors have impeded vaccine development, including the complexity of ASFV particles and the suppressive effects of its gene-encoded proteins on the host's immune system. This article delves into the immunological responses elicited by ASFV, encompassing both innate and adaptive immunity, and examines how ASFV evades host immune defenses. Special attention is given to the current progress in the development of ASFV subunit vaccines, including protein-based vaccines, DNA vaccines, and viral vector vaccines. The advantages, challenges, and future directions of different vaccine types are discussed, offering new perspectives and insights for the future of ASFV vaccine development.
