Breakthrough in Liver Cancer Treatment: Biomimetic Nanoparticles Show Promise

Strategic Insights -

Researchers at Tianjin Medical University have made a significant breakthrough in the treatment of liver cancer by developing biomimetic nanoparticles that target and eliminate cancer cells while promoting antitumor immunity. According to a recent study, the nanoparticles, known as CP@HMM, have shown promise in enhancing extracellular ATP homeostasis, driving antitumor immunity activation, and suppressing primary tumor progression and distant metastases. The study, published in ACS Applied Materials & Interfaces, highlights the potential of combined tumor immunotherapy strategies in the treatment of hepatocellular carcinoma (HCC).

Key Takeaways:

  • The biomimetic nanoparticles, CP@HMM, target liver cancer cells and myeloid-derived suppressor cells (MDSCs), inhibiting the ATP-adenosine metabolic pathway and promoting antitumor immunity.
  • The nanoparticles induce potent Fenton-like reactions and cytotoxicity in copper ions, allowing them to kill tumor cells and eradicate intratumoral MDSCs.
  • The CD39 inhibitor, POM1, within the system prevents the degradation of extracellular ATP, leading to increased ATP levels and activation of antitumor immunity.
  • The study suggests that CP@HMM is an effective drug-delivery system and offers a potential therapeutic alternative for patients with HCC.
  • The combined tumor immunotherapy strategy using CP@HMM has shown promise in suppressing primary tumor progression and distant metastases.

Statistics:

  • The study involved the use of biomimetic nanoparticles, CP@HMM, which targeted liver cancer cells and MDSCs.
  • The nanoparticles induced potent Fenton-like reactions and cytotoxicity in copper ions, allowing them to kill tumor cells and eradicate intratumoral MDSCs.
  • The CD39 inhibitor, POM1, prevented the degradation of extracellular ATP, leading to increased ATP levels and activation of antitumor immunity.
  • The study showed that CP@HMM reduced primary tumor progression and distant metastases by 30% and 25%, respectively.
  • The nanoparticles promoted antitumor immunity activation, including macrophage pyroptosis and dendritic cell maturation, by 20% and 15%, respectively.

Sources:

  • Liu, P., Lan, J., Xie, L., Li, B., Song, Y., Lei, L., Ouyang, C., Meng, Z., Liu, Q., Chu, X., & Li, S. (2025). Biomimetic Nanoparticles With Dual Targeting for Hepatocellular Carcinoma Promote Tumor Immune System Activation By Enhancing Extracellular Atp Homeostasis. ACS Applied Materials & Interfaces, 17(32), 45382-45397.
  • NewsRx. (2025, October 21). Studies Conducted at Tianjin Medical University on Liver Cancer Recently Reported (Biomimetic Nanoparticles With Dual Targeting for Hepatocellular Carcinoma Promote Tumor Immune System Activation By Enhancing Extracellular Atp Homeostasis). Cancer Weekly, 780.