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<p>Screening bioactive compounds from natural sources, including animals and plants, is a valuable strategy for identifying novel anti-tumor agents. α-Toxin BmK-M9, a key component of scorpion venom, has received limited attention regarding its potential anti-cancer effects and underlying mechanisms in breast cancer. This study investigates the effects and mechanisms of BmK-M9 in breast cancer using in vitro experiments and a nude mouse model. mRNA sequencing was performed to identify affected signaling pathways, while Western blotting and immunohistochemistry were utilized to analyze the Wnt/β-catenin signaling pathway. The results demonstrated that BmK-M9 significantly inhibited breast cancer cell invasion and migration in vitro and suppressed tumor growth in vivo. Transcriptomic analysis revealed that BmK-M9 influenced cellular processes related to proliferation, apoptosis, motility, and metabolism. Furthermore, BmK-M9 markedly downregulated β-catenin expression in the Wnt/β-catenin pathway. These findings suggest that BmK-M9 exerts anti-tumor effects in breast cancer by modulating Wnt/β-catenin signaling, highlighting its potential as a promising therapeutic candidate.</p><p></p>

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Recombinant α-Toxin BmK-M9 Inhibits Breast Cancer Progression by Regulating β-Catenin In Vivo

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年3月13日

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  • Wenlin Chen,
  • Zhuocen Cha,
  • Saijun Huang,
  • Ruimin Liu,
  • Jiayi Chen,
  • Peter Muiruri Kamau,
  • Xingjia Lu,
  • Bowen Li,
  • Dequan Liu

摘要

Screening bioactive compounds from natural sources, including animals and plants, is a valuable strategy for identifying novel anti-tumor agents. α-Toxin BmK-M9, a key component of scorpion venom, has received limited attention regarding its potential anti-cancer effects and underlying mechanisms in breast cancer. This study investigates the effects and mechanisms of BmK-M9 in breast cancer using in vitro experiments and a nude mouse model. mRNA sequencing was performed to identify affected signaling pathways, while Western blotting and immunohistochemistry were utilized to analyze the Wnt/β-catenin signaling pathway. The results demonstrated that BmK-M9 significantly inhibited breast cancer cell invasion and migration in vitro and suppressed tumor growth in vivo. Transcriptomic analysis revealed that BmK-M9 influenced cellular processes related to proliferation, apoptosis, motility, and metabolism. Furthermore, BmK-M9 markedly downregulated β-catenin expression in the Wnt/β-catenin pathway. These findings suggest that BmK-M9 exerts anti-tumor effects in breast cancer by modulating Wnt/β-catenin signaling, highlighting its potential as a promising therapeutic candidate.