Stimuli-responsive multifunctional metal-organic framework nanoparticles for enhanced chemo-photothermal therapy

Area of Science:

• Nanotechnology
• Materials Science
• Oncology

Background:

• Stimuli-responsive multifunctional nanoparticles are crucial for advanced nanotherapeutic delivery systems.
• Metal-organic frameworks (MOFs) show promise as drug delivery vehicles, but their application in cancer treatment is hindered by a lack of versatile preparation methods for stimuli-responsive multifunctional MOFs.

Purpose of the Study:

• To develop a general strategy for creating stimuli-responsive multifunctional MOFs for enhanced cancer therapy.
• To demonstrate the integration of polydopamine coatings with various MOFs for improved therapeutic efficacy.

Main Methods:

• Utilized polydopamine as a versatile coating material for MOFs (ZIF-8, UiO-66, MIL-101).
• Engineered multifunctional MOFs capable of stimuli-responsive release of multiple therapeutics.
• Investigated chemo-photothermal combination therapy for tumor ablation.

Main Results:

• Successfully prepared stimuli-responsive multifunctional MOFs with significant photothermal efficiency.
• Demonstrated outstanding in vitro and in vivo antitumor activity through combined chemo-photothermal therapy.
• Showcased targeted drug delivery and controlled release of multiple therapeutic agents.

Conclusions:

• The polydopamine coating strategy provides flexible and programmable access to multifunctional MOF nanoparticles.
• This approach enhances nanotherapeutic delivery for specific biological applications, particularly in cancer treatment.
• The developed MOFs offer a promising platform for advanced combination therapy with high therapeutic efficacy.