Journal
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Volume 70, Issue 33, Pages 10075-10089Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.2c04241
Keywords
lactoferrin; nano self -assembly; electrostatic spinning; immunity; gut microbiota; gut -brain axis
Funding
- Zhejiang Provincial Natural Science Foundation of China [LY21C200005]
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This review article provides an overview of the unique structure, encapsulation, and targeted transport capabilities of lactoferrin (LF), as well as its applications in immunity and gut microbiota regulation. The microstructure and electrostatic interactions of LF are discussed, along with its nano self-assembly behavior as a cage-like protein. The article also highlights the potential impact of LF on immunological function through the regulation of gut microbiota.
Lactoferrin (LF) is a naturally present iron-binding globulin with the structural properties of an N-lobe strongly positively charged terminus and a cage-like structure of nano self-assembly encapsulation. These unique structural properties give it potential for development in the fields of electrostatic spinning, targeted delivery systems, and the gut-brain axis. This review will provide an overview of LF's unique structure, encapsulation, and targeted transport capabilities, as well as its applications in immunity and gut microbiota regulation. First, the microstructure of LF is summarized and compared with its homologous ferritin, revealing both structural and functional similarities and differences between them. Second, the electrostatic interactions of LF and its application in electrostatic spinning are summarized. Its positive charge properties can be applied to functional environmental protection packaging materials and to improving drug stability and antiviral effects, while electrostatic spinning can promote bone regeneration and anti-inflammatory effects. Then the nano self-assembly behavior of LF is exploited as a cage-like protein to encapsulate bioactive substances to construct functional targeted delivery systems for applications such as contrast agents, antibacterial dressings, anti-cancer therapy, and gene delivery. In addition, some covalent and noncovalent interactions of LF in the Maillard reaction and protein interactions and other topics are briefly discussed. Finally, LF may affect immunological function via controlling the gut microbiota. In conclusion, this paper reviews the research advances of LF in electrostatic spinning, nano self -assembly, and immune and gut microbiota regulation, aiming to provide a reference for its application in the food and pharmaceutical fields.
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