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Abstract Title:

Berberine alleviates endothelial glycocalyx degradation and promotes glycocalyx restoration in LPS-induced ARDS.

Abstract Source:

Int Immunopharmacol. 2018 Oct 8 ;65:96-107. Epub 2018 Oct 8. PMID: 30308440

Abstract Author(s):

Lina Huang, Xiaohua Zhang, Xiaohong Ma, Dong Zhang, Dongxiao Li, Jiali Feng, Xinjie Pan, Junhong Lü, Xiaozhi Wang, Xiangyong Liu

Article Affiliation:

Lina Huang

Abstract:

In the pathogenesis of acute respiratory distress syndrome (ARDS), an increase in vascular endothelial permeability may trigger pulmonary edema and ultimately lead to respiratory failure. Endothelial glycocalyx damage is an important factor that causes an increase in vascular endothelial permeability. Berberine (BBR) is an isoquinoline alkaloid extracted from Coptis chinensis, a plant used in traditional Chinese medicine that exerts multiple pharmacological effects. In this study, pretreatment with BBR inhibited the increase in vascular endothelial permeability in mice with lipopolysaccharide (LPS)-induced ARDS. BBR pretreatment inhibited the shedding of syndecan-1 (SDC-1) and heparan sulfate (HS), which are important components of the endothelial glycocalyx that lessen endothelial glycocalyx damage. BBR further significantly inhibited increases in important endothelial glycocalyx damage factors, including reactive oxygen species (ROS), heparanase (HPA), and matrix metalloproteinase 9 (MMP9) in LPS-induced ARDS mice and in LPS-stimulated human umbilical vein endothelial cells. BBR pretreatment also decreased the production of pro-inflammatory cytokines TNF-α, IL-1β, IL-6, and inhibited NF-κB signaling pathway activation in LPS-induced ARDS. In addition, BBR promoted the recovery of SDC-1 and HS content in injured endothelial glycocalyx after LPS treatment and accelerated its restoration. This is the first report of BBR maintaining the integrity ofendothelial glycocalyx. These results provide a new theoretical basis for the use of BBR in the treatment of ARDS and other diseases related to endothelial glycocalyx damage.

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