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Chinese Journal of Lung Diseases(Electronic Edition) ›› 2017, Vol. 10 ›› Issue (02): 192-195. doi: 10.3877/cma.j.issn.1674-6902.2017.02.016

Special Issue:

• Original Article • Previous Articles     Next Articles

Protective effect of ANGPTL4 on human lung microvascular endothelial cell injury

Yongmei Zhao1, Rui Wang1, Xinyu Li1, Zhigao He1, Junhao Gui1, Donghui Zhang1, Xiaoyan Wang1, Feng Zhang1, Yu Zhang1, Peng Jiang1,()   

  1. 1. Xinjiang Medical University, Military General Hospital in Xinjiang of People′s Liberation Army, Urumchi 830000, China
  • Received:2016-12-28 Online:2017-04-20 Published:2017-04-20
  • Contact: Peng Jiang
  • About author:
    Corresponding author: Jiang Peng, Email:

Abstract:

Objective

To investigate the protective effect of ANGPTL4 to human lung microvascular endothelial cell injury.

Method

Human lung microvascular endothelial cells cultured in vitro were randomly divided into four groups: normal control group (group C), LPS induced group (group L), ANGPTL4 expression (group A) and ANGPTL4+ LPS induced group (group A+ L). CCK8 method was used to observe cell proliferation; fluorescence quantitative PCR and Western blot were applied to test ANGPTL4 expression level, Inflammatory factor TNF-α, IL-1β and MCP-1in cell culture fluid were also detected by ELISA method.

Results

Compared with group C, the expression of ANGPTL4 in group L and group A was significantly higher(P<0.01); Compared with group L, The expression of ANGPTL4 in A+ L group was significantly higher (P<0.01), LPS stimulation can inhibit cell proliferation, and after pcDNA3.1- ANGPTL4 recombinant plasmid transfection, this inhibition was weakened; high ANGPTL4 expression can also inhibit the generation of inflammatory factor TNF-α, IL-1β and MCP-1.

Conclusions

ANGPTL4 can inhibit LPS induced HPMVECs cell proliferation decreased, and reduce the generation of Inflammatory factor TNF-α, IL-1β and MCP-1, which may be one of the mechanism of the protective effect of ANGPTL4 to human lung microvascular endothelial cells.

Key words: ANGPTL4, Acute lung injury, Human lung microvascular endothelial cell

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