Advances in the targeting molecules modified chitosan-based nanoformulations.

Area of Science:

• Biomaterials Science
• Nanotechnology
• Drug Delivery

Background:

• Chitosan, a cationic polysaccharide, possesses unique properties like mucoadhesion and absorption enhancement, making it ideal for drug delivery systems.
• Chitosan-based nanoformulations are explored to improve hydrophobic drug dispersion, protect sensitive biomolecules, and enhance tissue absorption.
• Derivatization of chitosan carriers with ligands allows for selective targeting of nanoformulations to specific cells.

Purpose of the Study:

• To review the utility of targeting molecules in chitosan-based nanoformulations for targeted drug delivery.
• To illustrate the affinity mechanisms of various targeting molecules.
• To summarize the advantages and disadvantages of different conjugation strategies.

Main Methods:

• Literature review of studies utilizing chitosan-based nanoformulations for targeted delivery.
• Analysis of targeting molecules including carbohydrates, antibodies, peptides, and small molecules.
• Examination of conjugation strategies and their impact on nanoformulation performance.

Main Results:

• Chitosan nanoformulations demonstrate potential for improved drug dispersion and bioavailability.
• Ligand-mediated targeting enhances cellular internalization and localization for diagnosis and treatment.
• Various targeting molecules (carbohydrates, antibodies, peptides, small molecules) show promise in specific applications.

Conclusions:

• Chitosan-based nanoformulations, particularly when derivatized with targeting ligands, represent a promising platform for advanced drug delivery.
• Targeted delivery strategies using chitosan can improve therapeutic efficacy and diagnostic capabilities.
• Further research into conjugation methods is needed to optimize performance and overcome limitations.