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Nanotechnology

Breakthrough in Breast Cancer Treatment: Nanoparticle-Based Delivery System

Strategic Insights

— 1 min read

Researchers at Changzhou University have developed a innovative drug delivery system using nanoparticles that targets breast cancer cells while minimizing side effects. By leveraging microfluidics and functionalization with an anticancer peptide, the team created uniform nanoparticles capable of delivering curcumin to tumors with enhanced bioavailability and improved therapeutic efficacy.

Key Takeaways:

  • The study used a microfluidic swirl mixer to prepare curcumin-loaded poly(lactic-co-glycolic acid) nanoparticles (Cur@PLGA NPs) with an average size of 90 nm and a polydispersity index (PDI) of 0.05.
  • The optimized formulation of Cur@PLGA NPs resulted in a 5-fold increase in cellular uptake and a 3-fold increase in cytotoxicity compared to the control group.
  • The nanoparticle-based delivery system demonstrated improved therapeutic efficacy with a 50% reduction in tumor size after 14 days of treatment.
  • The study concluded that this innovative drug delivery system provides robust support for the development of more effective cancer therapy strategies.
  • The researchers also demonstrated the feasibility of using microfluidics and functionalization with an anticancer peptide to prepare uniform nanoparticles with tumor specificity.
  • The applicability of this technology could be extended to other types of cancer, such as lung, colon, and prostate cancer.

Statistics:

  • Average size of Cur@PLGA NPs: 90 nm.
  • Polydispersity index (PDI) of Cur@PLGA NPs: 0.05.
  • Cellular uptake of optimized Cur@PLGA NPs: 5-fold increase compared to the control group.
  • Cytotoxicity of optimized Cur@PLGA NPs: 3-fold increase compared to the control group.
  • Tumor size reduction after 14 days of treatment: 50%.
  • Number of days required to achieve 50% reduction in tumor size: 14 days.

Sources:

  • Microfluidic Fabrication of Peptide-Functionalized Poly(lactic-co-glycolic acid) Nanoparticles for Targeted Curcumin Delivery in Breast Cancer. Langmuir, 2025.
  • Changzhou University Reports Findings in Breast Cancer [Microfluidic Fabrication of Peptide-Functionalized Poly(lactic-co-glycolic acid) Nanoparticles for Targeted Curcumin Delivery in Breast Cancer]. Nanotechnology Weekly, July 28, 2025, p 304.

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