Transforming stealthy to sticky nanocarriers: a potential application for tumor therapy

Area of Science:

• Nanomedicine
• Biotechnology
• Drug Delivery Systems

Background:

• Nanomedicine shows promise in preclinical tumor treatment, utilizing nanocarriers (NCs) for drug delivery.
• Current NCs face limitations in tumor drug accumulation due to protein corona formation during circulation.
• Stealth properties, while preventing protein formation, also reduce cellular uptake, necessitating adaptable NC designs.

Purpose of the Study:

• To review strategies for developing charge-switchable nanocarriers for enhanced tumor drug delivery.
• To explore "chameleon-like" drug delivery systems with reversible surface properties.
• To address the challenge of insufficient drug accumulation in tumor sites.

Main Methods:

• Discussion of recent strategies for passive and active charge-switchable nanocarriers.
• Analysis of nanocarrier designs that exhibit reversible surface transformations.
• Focus on overcoming limitations posed by protein corona formation and cellular uptake.

Main Results:

• Development of nanocarriers with switchable surface properties is crucial for effective tumor targeting.
• Charge-switchable NCs can transition from stealthy to sticky states, improving tumor site accumulation.
• These "chameleon-like" systems offer a promising approach to enhance nanomedicine efficacy.

Conclusions:

• Charge-switchable nanocarriers represent a significant advancement in overcoming drug delivery barriers.
• Reversible surface modification of NCs is key to achieving targeted drug delivery in cancer therapy.
• Future nanomedicine designs should incorporate switchable properties for optimized therapeutic outcomes.