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<p>CRISPR/Cas9 represents a transformative advancement in precision therapies, offering the promise of more effective and targeted treatment options. However, there are still limitations (including off-target editing as well as unsatisfied delivery tool) which obstruct the wide application of CRISPR/Cas9. Here, an endogenic artificial extracellular vesicles (EVs) system is engineered for effective delivery of Cas9 ribonucleoprotein (RNP). We demonstrated that the endogenic Cas9 RNP were sorted by the Lamp2b and delivered by the artificial EVs, which could markedly inhibit the growth of cervical cancer cells by inducing cell apoptosis. Moreover, artificial endogenic EVs<sup>RNP</sup> (Cas9-Mcl1) could result in remarkable antitumor effects in animal models of cervical cancer through suppressing Mcl1 expression. Our findings indicate that the artificial EVs delivery strategy could deliver Cas9 RNP effectively to inhibit cancer progression, which might be a promising treatment.</p> Graphical Abstract <p></p>

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Effective delivery of genome editor to cervical cancer targeting Mcl1 for cancer therapy

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年1月27日

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  • Yue Wan,
  • Yiming He,
  • Xun Chen,
  • Shengwu Wang,
  • Guannan Zhou,
  • Xiaoyan Ying,
  • Haiyan Zhang

摘要

CRISPR/Cas9 represents a transformative advancement in precision therapies, offering the promise of more effective and targeted treatment options. However, there are still limitations (including off-target editing as well as unsatisfied delivery tool) which obstruct the wide application of CRISPR/Cas9. Here, an endogenic artificial extracellular vesicles (EVs) system is engineered for effective delivery of Cas9 ribonucleoprotein (RNP). We demonstrated that the endogenic Cas9 RNP were sorted by the Lamp2b and delivered by the artificial EVs, which could markedly inhibit the growth of cervical cancer cells by inducing cell apoptosis. Moreover, artificial endogenic EVsRNP (Cas9-Mcl1) could result in remarkable antitumor effects in animal models of cervical cancer through suppressing Mcl1 expression. Our findings indicate that the artificial EVs delivery strategy could deliver Cas9 RNP effectively to inhibit cancer progression, which might be a promising treatment.

Graphical Abstract