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Targeting intracellular targets.

Jayanth Panyam1, Vinod Labhasetwar

  • 1Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha, NE 68198, USA.

Current Drug Delivery
|November 25, 2005
PubMed
Summary
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Targeted delivery of therapeutic agents using biodegradable nanoparticles, such as poly(D,L-lactide-co-glycolide) (PLGA) and polylactide (PLA), enhances efficacy and reduces toxicity by targeting specific intracellular compartments.

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Pharmacology

Background:

  • Many drugs act within intracellular compartments, necessitating targeted delivery for optimal therapeutic outcomes.
  • Current drug delivery methods often face challenges with efficacy and toxicity due to non-specific distribution.

Purpose of the Study:

  • To review intracellular targets, delivery barriers, and mechanisms for enhanced therapeutic agent delivery.
  • To explore the potential of biodegradable nanoparticles as carriers for sustained intracellular drug delivery.

Main Methods:

  • Literature review of intracellular drug delivery strategies.
  • Analysis of biodegradable nanoparticles, specifically poly(D,L-lactide-co-glycolide) (PLGA) and polylactide (PLA) polymers.
  • Discussion of various carriers and approaches for intracellular drug delivery.

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Main Results:

  • Biodegradable nanoparticles (PLGA, PLA) show promise for sustained intracellular delivery.
  • Targeted delivery can significantly enhance therapeutic efficacy and reduce systemic toxicity.
  • Understanding intracellular pathways is crucial for effective drug targeting.

Conclusions:

  • Biodegradable nanoparticles offer a viable strategy for targeted intracellular drug delivery.
  • Optimizing delivery systems can overcome barriers and improve treatment outcomes.
  • Further research into nanoparticle-based intracellular delivery holds significant therapeutic potential.