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<p>Rhabdomyolysis or Crush syndrome-related AKI (RM/CS-AKI) has high mortality, and there is no effective early on-site treatment method. The critical pathogenic factor of RM/CS-AKI is the excessive free myoglobin (Mb) in blood circulation. Here, based on the concept of creating a “mobile barrier”, we develop an anti-Mb rabbit monoclonal antibody (RabMAb) with high specificity, affinity, stability, and broad species reactivity. A single dose of anti-Mb RabMAb injection is sufficient for emergency rescue in both homologous and heterologous RM/CS-AKI male animal models. The main goal of blocking the passage of free Mb through the glomerular filtration barrier has been achieved by using the anti-Mb RabMAb, which has a long-term stable therapeutic effect within 14 days and promotes phagocytosis of Mb. The optimal administration strategy, pharmacokinetic analysis, toxicity evaluation for anti-Mb RabMAb, and the distribution of its immune complexes in RM/CS-AKI mice are investigated. Thus, we develop effective prevention and control strategies for RM/CS-AKI.</p>

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Rescue RM/CS-AKI by blocking strategy with one-dose anti-myoglobin RabMAb

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年1月26日

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  • Xinyue Wang,
  • Ning Li,
  • Lu Han,
  • Ou Qiao,
  • Xin Chen,
  • Pengtao Wang,
  • Lancao Zhang,
  • Yingjie Hou,
  • Fengjiao Bao,
  • Herui Hao,
  • Sania Saeed,
  • Li Zhang,
  • Zizheng Li,
  • Xiaohong Duan,
  • Shuquan Rao,
  • Zichuan Liu,
  • Yanhua Gong

摘要

Rhabdomyolysis or Crush syndrome-related AKI (RM/CS-AKI) has high mortality, and there is no effective early on-site treatment method. The critical pathogenic factor of RM/CS-AKI is the excessive free myoglobin (Mb) in blood circulation. Here, based on the concept of creating a “mobile barrier”, we develop an anti-Mb rabbit monoclonal antibody (RabMAb) with high specificity, affinity, stability, and broad species reactivity. A single dose of anti-Mb RabMAb injection is sufficient for emergency rescue in both homologous and heterologous RM/CS-AKI male animal models. The main goal of blocking the passage of free Mb through the glomerular filtration barrier has been achieved by using the anti-Mb RabMAb, which has a long-term stable therapeutic effect within 14 days and promotes phagocytosis of Mb. The optimal administration strategy, pharmacokinetic analysis, toxicity evaluation for anti-Mb RabMAb, and the distribution of its immune complexes in RM/CS-AKI mice are investigated. Thus, we develop effective prevention and control strategies for RM/CS-AKI.