Nanoscaled Biodegradable Metal-Polymeric Three-Dimensional Framework for Endothelial Cell Patterning and Sustained...

Area of Science:

• Biomaterials Science
• Nanotechnology
• Regenerative Medicine

Background:

• Developing advanced biomaterials is crucial for tissue engineering and regenerative medicine.
• Controlled release of therapeutics from scaffolds enhances therapeutic efficacy.
• Biodegradable and bioactive metal-based nanoframeworks show promise for biomedical applications.

Purpose of the Study:

• To develop a nanoscaled, biodegradable, 3D metal-polymeric framework for controlled nanotherapeutic release.
• To investigate the potential of this framework for endothelial cell patterning and sustained angiogenesis.
• To evaluate the in vivo efficacy of the developed scaffold for wound healing.

Main Methods:

• Coaxial electrospinning of gelatin and PLGA polymers with a cobalt-metal nanoframework core.
• Incorporation of PEGylated curcumin within the cobalt core for controlled release.
• Characterization using FTIR and Scanning Electron Microscopy (SEM).
• In vitro assessment of endothelial cell behavior and antibacterial efficacy.
• In vivo evaluation in animal models for wound healing and angiogenesis.

Main Results:

• Successful fabrication of a 3D core-shell nanofibrous system with controlled nanotherapeutic release.
• Demonstrated biocompatibility and promotion of endothelial cell adhesion, migration, and proliferation.
• Exhibited significant antibacterial efficacy.
• Enhanced vascular endothelial growth factor production, promoting angiogenesis and accelerated wound healing in vivo.
• The cobalt nanoframework significantly improved vascularization within the scaffold.

Conclusions:

• The developed nanoscaled biodegradable metal-polymeric 3D framework offers a promising platform for controlled nanotherapeutic delivery.
• This innovative scaffold effectively promotes endothelial cell patterning and sustained angiogenesis, crucial for tissue regeneration.
• The study highlights the potential of biodegradable, biosorbable metal nanoframeworks for advanced biomaterial applications with enhanced vascularization and host tissue integration.