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Monitoring of Nanodrug Accumulation in Murine Breast Cancer Metastases
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Anticancer Platelet-Mimicking Nanovehicles.

Quanyin Hu1,2, Wujin Sun1,2, Chengen Qian1,2

  • 1Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, 27695, USA.

Advanced Materials (Deerfield Beach, Fla.)
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A novel platelet membrane-coated nanovehicle delivers drugs to tumors, enhancing antitumor effects. This nanovehicle also targets circulating tumor cells, preventing metastasis.

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Oncology

Background:

  • Targeted drug delivery systems are crucial for improving cancer treatment efficacy and reducing side effects.
  • Developing nanocarriers that can deliver both extracellular and intracellular drugs remains a challenge.
  • Platelet membranes offer unique properties for biomimetic nanomedicine.

Purpose of the Study:

  • To develop and evaluate a core-shell nanovehicle coated with a platelet membrane (PM) for enhanced cancer therapy.
  • To investigate the potential of this nanovehicle for targeted delivery of both extracellular and intracellular drugs.
  • To assess the efficacy of the PM-coated nanovehicle in eliminating circulating tumor cells and inhibiting metastasis.

Main Methods:

  • Fabrication of core-shell nanovehicles.
  • Coating of nanovehicles with platelet membranes.
  • Loading of extracellular and intracellular drugs into the nanovehicles.
  • In vitro and in vivo evaluation of drug delivery, antitumor efficacy, and anti-metastasis activity.

Main Results:

  • The developed PM-coated nanovehicle successfully achieved targeted and site-specific drug delivery.
  • Co-delivery of extracellular and intracellular drugs resulted in significantly enhanced antitumor efficacy.
  • The nanovehicle demonstrated effectiveness in eliminating circulating tumor cells in vivo.
  • Inhibition of tumor metastasis was observed in preclinical models.

Conclusions:

  • Platelet membrane-coated core-shell nanovehicles represent a promising platform for combination cancer therapy.
  • This nanodelivery system offers a dual approach to combat primary tumors and prevent cancer spread.
  • Further research into PM-based nanovehicles could lead to improved cancer treatment strategies.