Porphyrinoid-Cyclodextrin Assemblies in Biomedical Research: An Update

Area of Science:

• Supramolecular Chemistry
• Nanomedicine
• Photodynamic Therapy

Background:

• Porphyrinoids are vital biological cofactors and promising for photodynamic therapy (PDT).
• Porphyrinoid self-aggregation in aqueous media limits their application.
• Cyclodextrins can encapsulate hydrophobic molecules, offering protection and improving dispersion.

Purpose of the Study:

• To explore cyclodextrin-porphyrinoid assemblies as advanced therapeutic and diagnostic platforms.
• To highlight their potential in mimicking natural biological processes and enhancing PDT.
• To discuss applications in multimodal cancer therapy and antimicrobial treatments.

Main Methods:

• Review of synthetic porphyrinoid-cyclodextrin models.
• Analysis of engineered assemblies for enhanced photodynamic and therapeutic capabilities.
• Discussion of functional enrichment for cell recognition, imaging, and drug delivery.

Main Results:

• Cyclodextrin encapsulation protects porphyrinoids, enabling efficient dispersion in biological fluids.
• Engineered assemblies exhibit enhanced photodynamic abilities and can co-deliver chemotherapeutics.
• These systems serve as models for biological processes like enzymatic catalysis and electron transfer.

Conclusions:

• Porphyrinoid-cyclodextrin systems represent third-generation photosensitizers with significant therapeutic potential.
• They offer promising biocompatible platforms for next-generation nanomedicine, theranostics, and multimodal treatments.
• Further development can lead to advanced applications in cancer therapy and antimicrobial strategies.