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Journal of Nanobiotechnology

Journal of Nanobiotechnology

IF: 10.6
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Apoptotic vesicles (apoVs) derived from fibroblast-converted hepatocyte-like cells effectively ameliorate liver fibrosis

Published:5 September 2024 DOI: 10.1186/s12951-024-02824-7 PMID: 39238002
Zhi Zhong,?Xiu-Liang Cui,?Kun-Jiang Tan,?Xiang-Yu Wu,?Xiang-Jie Zhu,?Jiu-Yu Zhang,?Wei-Jia Zhang,?Hong-Yang Wang,?Pei-Lin Zhang

Abstract

Liver fibrosis is a serious global health issue for which effective treatment remains elusive. Chemical-induced hepatocyte-like cells (ciHeps) have emerged as an appealing source for cell transplantation therapy, although they present several challenges such as the risk of lung thromboembolism or hemorrhage. Apoptotic vesicles (apoVs), small membrane vesicles generated during the apoptosis process, have gained attention for their role in regulating various physiological and pathological processes. In this study, we generated ciHep-derived apoVs (ciHep-apoVs) and investigated their therapeutic potential in alleviating liver fibrosis. Our findings revealed that ciHep-apoVs induced the transformation of macrophages into an anti-inflammatory phenotype, effectively suppressed the activity of activated hepatic stellate cells (aHSCs), and enhanced the survival of hepatocytes. When intravenously administered to mice with liver fibrosis, ciHep-apoVs were primarily engulfed by macrophages and myofibroblasts, leading to a reduction in liver inflammation and fibrosis. Proteomic and miRNA analyses showed that ciHep-apoVs were enriched in various functional molecules that modulate crucial cellular processes, including metabolism, signaling transduction, and ECM-receptor interactions. ciHep-apoVs effectively suppressed aHSCs activity through the synergistic inhibition of glycolysis, the PI3K/AKT/mTOR pathway, and epithelial-to-mesenchymal transition (EMT) cascades. These findings highlight the potential of ciHep-apoVs as multifunctional nanotherapeutics for liver fibrosis and provide insights into the treatment of other liver diseases and fibrosis in other organs.

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Materials
Procduct Name CAS Molecular Formula Supplier Price
STAUROSPORINE 62996-74-1 C28H26N4O3 454 suppliers $10.00-$3200.00
STAUROSPORINE 62996-74-1 C28H26N4O3 454 suppliers $10.00-$3200.00
STAUROSPORINE 62996-74-1 C28H26N4O3 454 suppliers $10.00-$3200.00
STAUROSPORINE 62996-74-1 C28H26N4O3 454 suppliers $10.00-$3200.00
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