Polymers and nanoparticles: intelligent tools for intracellular targeting?

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Pharmacology

Background:

• New potent drugs can cause severe side effects and hinder therapeutic efficacy.
• Targeted drug delivery to specific cell types or organelles is crucial for effective treatment, especially in cancer therapy.
• Eukaryotic cells contain various organelles like mitochondria and the nucleus that can serve as drug targets.

Purpose of the Study:

• To review methods for directing drugs to specific subcellular organelles.
• To highlight the role of synthetic polymers and nanoparticles as drug carriers.
• To discuss recent advancements and persistent challenges in organelle-targeted drug delivery.

Main Methods:

• Review of scientific literature on drug delivery systems.
• Focus on synthetic polymers and nanoparticles as carriers for subcellular targeting.
• Analysis of progress and obstacles in the field.

Main Results:

• Synthetic polymers and nanoparticles show promise as carriers for organelle-specific drug delivery.
• Significant progress has been made in designing carriers for efficient delivery into target organelles.
• Obstacles remain for the broad clinical application of these systems in humans.

Conclusions:

• Targeted delivery of potent drugs to specific organelles can improve therapeutic outcomes and minimize side effects.
• Polymeric and nanoparticular carriers are key technologies for achieving organelle-specific drug delivery.
• Further research is needed to overcome current limitations and enable widespread human use.