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Matrix metalloproteinases induce extracellular matrix degradation through various pathways to alleviate hepatic fibrosis - 28/03/23

Doi : 10.1016/j.biopha.2023.114472 
Liang Shan a, b, c, d, Fengling Wang a, Dandan Zhai a, Xiangyun Meng a, Jianjun Liu a, , 1 , Xiongwen Lv b, c, d, , 2
a Department of Pharmacy, The Second People's Hospital of Hefei, Hefei Hospital Affiliated to Anhui Medical University, Hefei, Anhui 230011, China 
b Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Medical University, Hefei 230032, China 
c Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei 230032, China 
d The Key Laboratory of Major Autoimmune Diseases, Hefei 230032, Anhui, China 

Correspondence to: Department of Pharmacy, Hefei Hospital Affiliated to Anhui Medical University (The 2nd People's Hospital of Hefei), Hefei 230011, China.Department of Pharmacy, Hefei Hospital Affiliated to Anhui Medical University (The 2nd People's Hospital of Hefei)Hefei230011China⁎⁎Correspondence to: School of Pharmacy, Anhui Medical University, 81 Mei Shan Road, Hefei 230032, China.School of Pharmacy, Anhui Medical University81 Mei Shan RoadHefei230032China

Abstract

Liver fibrosis is the common consequence of various chronic liver injuries and is mainly characterized by the imbalance between the production and degradation of extracellular matrix, which leads to the accumulation of interstitial collagen and other matrix components. Matrix metalloproteinases (MMPs) and their specific inhibitors, that is, tissue inhibitors of metalloproteinases (TIMPs), play a crucial role in collagen synthesis and lysis. Previous in vivo and in vitro studies of our laboratory found repressing extracellular matrix (ECM) accumulation by restoring the balance between MMPs and TIMPs can alleviate liver fibrosis. We conducted a review of articles published in PubMed and Science Direct in the last decade until February 1, 2023, which were searched for using these words “MMPs/TIMPs” and “Hepatic Fibrosis.” Through a literature review, this article reviews the experimental studies of liver fibrosis based on MMPs/TIMPs, summarizes the components that may exert an anti-liver fibrosis effect by affecting the expression or activity of MMPs/TIMPs, and attempts to clarify the mechanism of MMPs/TIMPs in regulating collagen homeostasis, so as to provide support for the development of anti-liver fibrosis drugs. We found the MMP-TIMP-ECM interaction can result in better understanding of the pathogenesis and progression of hepatic fibrosis from a different angle, and targeting this interaction may be a promising therapeutic strategy for hepatic fibrosis. Additionally, we summarized and analyzed the drugs that have been found to reduce liver fibrosis by changing the ratio of MMPs/TIMPs, including medicine natural products.

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Graphical Abstract




 : 

Various factors stimulate the liver and induce the activation of HSCs to release various collagens, which are components of ECM. Long-term accumulation of a large amount of collagens leads to hepatic fibrosis. MMPs and TIMPs are in physiological equilibrium in the normal liver. MMPs degrade various kinds of extracellular collagen to relieve hepatic fibrosis, and TIMPs inhibit its activity by hydrolyzing MMP. MMPs alleviate hepatic fibrosis by directly hydrolyzing various extracellular collagens. In addition, various cytokines produced after degradation of ECM activate the immune system and indirectly inhibit hepatic fibrosis. Therefore, MMPs/TIMPs inhibit hepatic fibrosis by regulating ECM.


Various factors stimulate the liver and induce the activation of HSCs to release various collagens, which are components of ECM. Long-term accumulation of a large amount of collagens leads to hepatic fibrosis. MMPs and TIMPs are in physiological equilibrium in the normal liver. MMPs degrade various kinds of extracellular collagen to relieve hepatic fibrosis, and TIMPs inhibit its activity by hydrolyzing MMP. MMPs alleviate hepatic fibrosis by directly hydrolyzing various extracellular collagens. In addition, various cytokines produced after degradation of ECM activate the immune system and indirectly inhibit hepatic fibrosis. Therefore, MMPs/TIMPs inhibit hepatic fibrosis by regulating ECM.ga1

Le texte complet de cet article est disponible en PDF.

Highlights

Previous studies found restoring balance of MMPs/TIMPs alleviate hepatic fibrosis.
Recent studies found MMPs degradating ECM play an anti-fibrosis role.
Degradating ECM and induction immune system activation inhibit hepatic fibrosis.

Le texte complet de cet article est disponible en PDF.

Keywords : Matrix metalloproteinase, Tissue inhibitors of metalloproteinase, Extracellular matrix, Collagen, Immunoregulation, Hepatic fibrosis


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Vol 161

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