Related Experiment Video
Updated: Jul 16, 2025
06:55
Protocol to Create Chronic Wounds in Diabetic Mice
Published on: September 25, 2019
20.4K
Hypoxic Microenvironment Reconstruction with Synergistic Biofunctional Ions Promotes Diabetic Wound Healing.
Xiaochen Chen1, Liyan Zhang2, Wenwen Chai1,2
1School of materials science and engineering, Tongji University, Shanghai, 201804, P. R. China.
Advanced Healthcare Materials
|September 23, 2023
Summary
This study introduces a novel composite hydrogel to heal diabetic wounds by delivering oxygen and beneficial ions. This approach promotes cell function, blood vessel growth, and reduces inflammation for accelerated healing.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Diabetic wounds exhibit chronic hypoxia and ischemia, inhibiting cellular functions.
- A pathological wound environment impedes natural healing processes in diabetic patients.
Purpose of the Study:
- To develop a composite hydrogel system for promoting diabetic wound healing.
- To investigate the combined effects of oxygen supply and ion release on wound regeneration.
Main Methods:
- Fabrication of a composite hydrogel using ε-poly-lysine (EPL), calcium peroxide (CP), and borosilicate glass (BG).
- Assessment of the hydrogel's ability to supply dissolved oxygen and release biofunctional ions.
- Evaluation of cellular function restoration, vascular regeneration, and macrophage modulation in a wound model.
Main Results:
- The hydrogel continuously supplied dissolved oxygen, restoring cellular function and promoting vascular regeneration.
- Biofunctional ions from borosilicate glass recruited macrophages and modulated their phenotype.
- The combined oxygen and ion-mediated effects significantly accelerated diabetic wound healing.
Conclusions:
- The developed composite hydrogel system effectively promotes diabetic wound healing.
- This novel tissue engineering material shows promise for treating chronic non-healing wounds.
