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Article Publish Status: FREE
Abstract Title:

Licochalcone A Protects the Blood-Milk Barrier Integrity and Relieves the Inflammatory Response in LPS-Induced Mastitis.

Abstract Source:

Front Immunol. 2019 ;10:287. Epub 2019 Feb 25. PMID: 30858849

Abstract Author(s):

Wenjin Guo, Bingrun Liu, Yunhou Yin, Xingchi Kan, Qian Gong, Yanwei Li, Yu Cao, Jianfa Wang, Dianwen Xu, He Ma, Shoupeng Fu, Juxiong Liu

Article Affiliation:

Wenjin Guo

Abstract:

Mastitis is an acute clinical inflammatory response. The occurrence and development of mastitis seriously disturb women's physical and mental health. Licochalcone A, a phenolic compound in, has anti-inflammatory properties. Here, we examined the effect of licochalcone A on blood-milk barrier and inflammatory response in LPS-induced mice mastitis., we firstly established mice models of mastitis by canal injection of LPS to mammary gland, and then detected the effect of licochalcone A on pathological indexes, inflammatory responses and blood-milk barrier in this model., Mouse mammary epithelial cells (mMECs) were treated with licochalcone A prior to the incubation of LPS, and then the inflammatory responses, tight junction which is the basic structure of blood-milk barrier were analyzed. Last, we elucidated the anti-inflammatory mechanism by examining the activation of mitogen-activated protein kinaseMAPK) and AKT/NF-κB signaling pathwaysand.Theresults showed that licochalcone A significantly decreased the histopathological impairment and the inflammatory responses, and improved integrity of blood-milk barrier. Theresults demonstrated that licochalcone A inhibited LPS-induced inflammatory responses and increase the protein levels of ZO-1, occludin, and claudin3 in mMECs. Theandmechanistic study found that the anti-inflammatory effect of licochalcone A in LPS-induced mice mastitis was mediated by MAPK and AKT/NF-κB signaling pathways.Our experiments collectively indicate that licochalcone A protected against LPS-induced mice mastitis via improving the blood-milk barrier integrity and inhibits the inflammatory response by MAPK and AKT/NF-κB signaling pathways.

Study Type : Animal Study, In Vitro Study
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