Acta Veterinaria et Zootechnica Sinica ›› 2021, Vol. 52 ›› Issue (7): 1800-1808.doi: 10.11843/j.issn.0366-6964.2021.07.004

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Research Progress on Extracellular Traps of Innate Immune Cells Stimulated by Foodborne Pathogens

QIAN Man, LIAO Chengshui*, ZHANG Chunjie*   

  1. Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471023, China
  • Received:2020-11-13 Online:2021-07-23 Published:2021-07-23

Abstract: Innate immune cells release fibrous net substances which are composed of chromatin DNA and various intracellular protein components to the extracellular environment after being stimulated by exogenous substances. Those substances are called extracellular traps (ETs). ETs are new types of host defense mechanism that can capture or kill pathogens, control the spread of pathogens, and protect the body from infection. Diseases caused by foodborne zoonotic pathogens, such as Escherichia coli and Salmonella, are public health issues of widespread concern worldwide. This article reviews the research progress of the formation of ETs stimulated by foodborne pathogens, the biological activity of ETs, and the influence of some bacterial proteins on the formation of ETs. This article is intended to provide theoretical reference for the prevention and control of foodborne diseases.

Key words: foodborne pathogens, extracellular traps, innate immune cells, defense mechanism

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