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Hepatology Communications
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Hepatology Communications
Article
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Hepatology Communications
Article . 2022
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Dual Targeting of Angipoietin‐1 and von Willebrand Factor by microRNA‐671‐5p Attenuates Liver Angiogenesis and Fibrosis

Authors: Le Yang; Wenhui Yue; Hang Zhang; Zhi Zhang; Renmin Xue; Chengbin Dong; Fuquan Liu; +3 Authors

Dual Targeting of Angipoietin‐1 and von Willebrand Factor by microRNA‐671‐5p Attenuates Liver Angiogenesis and Fibrosis

Abstract

Angipoietin‐1 (Angpt1) and von Willebrand factor (VWF) are two important angiogenic molecules that can drive pathologic angiogenesis and progression of liver fibrosis in our previous study. MicroRNAs (miRs) participate in a variety of physiological and pathological processes, including angiogenesis. However, the critical miRs targeting Angpt1 or VWF and potential molecular mechanism underlying liver fibrosis–associated angiogenesis is not clear yet. Human liver tissues were obtained from patients with different chronic liver diseases. Mouse models of liver fibrosis were induced by injection of CCl4 or bile duct ligation (BDL) operation. MiR‐671‐5p was predicted to target Angpt1 and VWF from three databases (miRanda, RNA22v2, and miRwalk). MiR‐671‐5p expression was decreased in the fibrotic liver of human and mice, with a negative correlation with the levels of Angpt1, VWF, sphingosine kinase‐1 (SphK1, the rate‐limiting enzyme for sphingosine 1‐phosphate [S1P] formation), transforming growth factor β1 (TGFβ1), hypoxia inducible factor (Hif)1α, Hif2α, and fibrosis markers. Importantly, miR‐671‐5p expression was down‐regulated in fluorescence‐activated cell sorted liver sinusoidal endothelial cells and hepatic stellate cells (HSCs) in CCl4 mice compared with control mice. In vitro miR‐671‐5p expression was also decreased in S1P‐stimulated HSCs and TGFβ1‐activated liver sinusoidal endothelial cells, negatively correlated with Angpt1 and VWF expression. MiR‐671‐5p directly targeted Angpt1 and VWF by luciferase reporter assays. In vivo administration of miR‐671‐5p agomir decreased the messenger RNA and protein levels of Anpgt1 and VWF, and attenuated CCl4‐induced or BDL‐induced liver angiogenesis and fibrosis. Conclusion: We identify the negative regulation of miR‐671‐5p on Angpt1 and VWF and liver fibrosis–associated angiogenesis, which may provide promising targets for the prevention and treatment of liver disease.

Related Organizations
Keywords

Liver Cirrhosis, Neovascularization, Pathologic, Endothelial Cells, RC799-869, Original Articles, Diseases of the digestive system. Gastroenterology, Fibrosis, Mice, MicroRNAs, von Willebrand Factor, Angiopoietin-1, Animals, Humans, Cell Proliferation

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    11
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
11
Top 10%
Average
Top 10%
Green
gold