Breakthrough in Cancer Gene Therapy: Multifunctional Liposomes Show Promise

Strategic Insights -

Researchers at Pondicherry University in India have made a significant breakthrough in cancer gene therapy using multifunctional liposomes that can diagnose and treat cancer simultaneously. The study, published in ACS Applied Bio Materials, utilizes quercetin-encapsulated Dy-doped magneto-liposomes that exhibit improved efficacy and better radical oxygen scavenging ability. These liposomes have shown a superior heating efficiency of 95.0 ± 5.9 W/g, making them a promising candidate for cancer therapy.

Key Takeaways:

  • The researchers designed multifunctional quercetin (QTN)-encapsulated Dy-doped magneto-liposomes as theranostic agents for cancer treatment.
  • FeO and Dy-doped FeO nanoparticles were synthesized using fruit peel extract, resulting in a small multilamellar vesicle size of 50 nm.
  • The antioxidant capacity of QTN-encapsulated liposomes displayed improved efficacy and better radical oxygen scavenging (ROS) ability.
  • Dy-doped magneto-liposomes increased both T and T contrast, especially with Dy playing an effective role to shorten T.
  • The presence of Dy in magneto-liposomes induced an enhanced X-ray attenuation of 22.7 HU.
  • Studies on MG-63 cell lines showed better efficacy against cancer cells (20%), while negligible cytotoxicity was revealed from tests conducted on noncancerous HEK293 cells.
  • The results clearly showed the multimodal theranostic applications of quercetin-loaded Dy3+-doped magneto-liposomes.
  • The study has potential implications for the development of novel cancer therapies that can diagnose and treat cancer simultaneously.

Statistics:

  • 95.0 ± 5.9 W/g: Superior heating efficiency of Dy-doped magneto-liposomes in magnetic hyperthermia studies.
  • 50 nm: Average size of multilamellar vesicles resulting from the thin film hydration technique.
  • 22.7 HU: Enhanced X-ray attenuation induced by the presence of Dy in magneto-liposomes.
  • 20%: Better efficacy of Dy-doped magneto-liposomes against cancer cells in MG-63 cell line studies.

Sources:

  • NewsRx. Pondicherry University Reports Findings in Cancer Gene Therapy (Design of Green-Synthesized Dy3+-Doped Iron Oxide Nanoparticle-Entrapped Liposomes for Synergistic Modulation of MRI Contrast, Magnetic Hyperthermia, and Combined Anticancer ...). Nanotechnology Weekly. July 7, 2025; p 1486.
  • ACS Applied Bio Materials. Design of Green-Synthesized Dy3+-Doped Iron Oxide Nanoparticle-Entrapped Liposomes for Synergistic Modulation of MRI Contrast, Magnetic Hyperthermia, and Combined Anticancer Efficacy. 2025.