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Tuning the In Vivo Transport of Anticancer Drugs Using Renal-Clearable Gold Nanoparticles

Chuanqi Peng1, Jing Xu1, Mengxiao Yu1

  • 1Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Rd., Richardson, TX, 75080, USA.

Angewandte Chemie (International Ed. in English)
|April 23, 2019
PubMed

Insights

Renal-clearable gold nanoparticles (AuNPs) improve anticancer drug delivery by enhancing tumor targeting and accelerating drug clearance. This approach reconciles key challenges in cancer nanomedicine for better therapeutic outcomes.

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Pharmacology

Background:

  • Effective cancer nanomedicines require precise control over drug delivery to both normal and cancerous tissues.
  • Understanding nanoparticle interactions is crucial for overcoming the targeting-clearance and permeation-retention paradoxes in drug delivery.

Purpose of the Study:

  • To investigate how renal-clearable gold nanoparticles (AuNPs) influence the distribution and retention of doxorubicin in cancerous and normal tissues.
  • To evaluate the potential of AuNPs in reconciling challenges in anticancer drug delivery.

Main Methods:

  • Systematic in vivo investigation of renal-clearable AuNPs.
  • Assessment of doxorubicin permeation, distribution, and retention in cancerous and normal tissues.
  • Evaluation of AuNP impact on drug targeting and body clearance.

Main Results:

  • Renal-clearable AuNPs demonstrated rapid tumor targeting and high tumor vascular permeability, similar to free drugs.
  • AuNPs accelerated the clearance of off-target doxorubicin through renal elimination.
  • Engineered nanoparticles can be utilized to manage in vivo drug transport behaviors.

Conclusions:

  • Renal-clearable AuNPs offer a promising strategy to enhance anticancer drug delivery efficacy.
  • This approach effectively addresses the targeting-clearance and permeation-retention paradoxes.
  • Nanoparticle engineering provides a versatile tool for optimizing cancer nanomedicine performance.
Keywords:
drug deliveryenhanced permeability and retention effectgold nanoparticlesrenal clearancetumor targeting

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