期刊
JOURNAL OF INFLAMMATION RESEARCH
卷 15, 期 -, 页码 53-70出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JIR.S341680
关键词
CD73; alcohol-induced liver injury and inflammation; TLR4/MyD88/NF-kappa B signaling pathway; apoptosis; RAW264.7 cells
类别
资金
- National Natural Science Foundation of China [81970518]
This study found that overexpression of CD73 can reduce alcohol-induced liver injury and inflammation, suggesting CD73 as a potential therapeutic target for ALD.
Background: Alcoholic liver disease (ALD) is liver damage caused by long-term drinking. Inflammation plays a central role in the progression of ALD. CD73 is a ubiquitously expressed glycosylphosphatidylinositol-anchored glycoprotein that is a key enzyme that converts ATP into adenosine. Evidence has shown that CD73 plays an important role in many diseases, but the role and mechanism of CD73 in alcohol-induced liver injury and inflammation is still unclear. Methods: The alcohol-induced liver injury and inflammation mouse model was established. The rAAV9-CD73 was used to overexpress CD73. Isolation of primary macrophages (MO) from the liver was conducted. The effects of CD73 on alcohol-induced liver injury and inflammation were evaluated by quantitative real-time PCR, Western blotting, ELISA, and immunohistochemical assay. Flow cytometry was used to detect the cell cycle and apoptosis. Results: Our results showed that overexpression of CD73 can reduce alcohol-induced liver damage, lipid accumulation, and the secretion of inflammatory cytokines. pEX3-CD73 can promote RAW264.7 cells proliferation and inhibit apoptosis via suppressing the activation of TLR4/MyD88/NF-kappa B signaling pathway. Inhibition of TLR4 further enhanced the anti-inflammatory effect of overexpression of CD73. Conclusion: Overexpression of CD73 can reduce alcohol-induced liver injury and inflammation. CD73 may serve as a potential therapeutic target for ALD.
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