M2 Macrophages-Based Immunotherapy: A New Therapeutic Approach in Liver Fibrosis

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Liver fibrosis (LF) is a pathological condition resulting from a chronic inflammatory response to multiple etiological factors, including viral infections, excessive alcohol consumption, and metabolic disorders. The important role of macrophages in this process, especially the M2 subtype, has attracted attention as a potential target for macrophage-based immunotherapy. M2 macrophages have anti-inflammatory and reparative properties that enable them to modulate the immune response and facilitate repairing damaged tissues. They participate in reducing fibrogenic features in term of gene expression and histological markers associated with LF. These cells phagocytose apoptotic cells and matrix components. M2 macrophage-based immunotherapy has shown great potential in ameliorating LF through mechanisms involving the IL-10/STAT3 and TGF-β/SMAD signaling pathways, which are essential in suppressing the pro-inflammatory response and supporting tissue regeneration. However, significant challenges such as individual resistance to therapy and the potential for promoting fibrosis suggest that further development and research are needed to optimize the safety and efficacy of this therapy in clinical applications. This study provides comprehensive insights into the role of M2 macrophages in LF and explores their potential as an innovative therapeutic approach in treating LF.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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