ArticleBiochemistry and biophysics reports2025
Multidirectional therapeutic effects of synthesized HMGB1 peptide on liver cirrhosis in mice.
Article in Biochemistry and biophysics reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Safety and efficacy profile of S-005151 (Redasemtide), in patients with chronic liver diseases: phase 2 trial.Inflammation and regeneration · 2026Article
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10 authors.
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Abstract
Aim: Liver cirrhosis is a serious disease characterized by liver dysfunction and severe fibrosis; however, no breakthrough drugs have effectively improved fibrosis, making it an unmet medical need. We have previously reported that the HMGB1 peptide, synthesized from box A of the HMGB1 protein, ameliorates liver fibrosis and is a promising candidate for fibrosis-improving drugs against liver cirrhosis. In this study, we used spatial analysis to observe treatment-induced changes over time. Methods: Liver cirrhosis was induced in C57BL/6J mice using carbon tetrachloride (CCl4) injections, followed by HMGB1 peptide treatment. To assess the temporal effects of HMGB1 on the liver in a CCl4-induced cirrhosis mouse model, we used GeoMx spatial analysis. We focused on αSMA-positive active hepatic stellate cells (HSCs), F4/80-positive macrophages, and CK8/18-positive hepatocytes to determine how each cell type was affected over time. Statistical analyses were conducted using GraphPad Prism9, with significance set at p < 0.05. Results: In cirrhotic mice, we first observed a decrease in the number of activated HSCs over time, two weeks after treatment initiation. Macrophage-associated genes ceased to induce fibrosis-related pathways early in the treatment. This suggests that the effect of macrophages on fibrosis was weakened by the treatment. We also confirmed that lipid metabolism of hepatocytes may be improved during treatment. Furthermore, Conclusion: Over time, macrophages followed by HSCs, showed the most notable changes with treatment, resulting in improved fibrosis. The HMGB1 peptide drug also affected lipid metabolism in hepatocytes, suggesting a positive therapeutic effect on steatohepatitis. Elevated factors that promote cell migration may have also enhanced the healing effect.
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