A microenvironment-adaptive GelMA-ODex@RRHD hydrogel for responsive release of H2S in promoted chronic diabetic wound repair
2025

Hydrogel for Healing Diabetic Wounds

Sample size: 12 publication 10 minutes Evidence: high

Author Information

Author(s): Yuan Zhixian, Zhang Wei, Wang Chang, Zhang Chuwei, Hu Chao, Liu Lu, Xiang Lunli, Yao Shun, Shi Rong, Fan Dejiang, Ren Bibo, Luo Gaoxing, Deng Jun

Primary Institution: Institute of Burn Research, Southwest Hospital, Army Medical University

Hypothesis

Can a ROS-responsive hydrogel improve healing in chronic diabetic wounds by delivering hydrogen sulfide?

Conclusion

The GelMA-ODex@RRHD hydrogel significantly enhances wound healing and improves skin quality in diabetic mice.

Supporting Evidence

  • The hydrogel effectively suppresses inflammation during the initial phase of wound healing.
  • It promotes tissue regeneration and vascularization in the proliferative phase.
  • Controlled release of H2S enhances matrix remodeling in later stages.
  • The hydrogel improves the biomechanical properties of healed skin.
  • Wounds treated with the hydrogel showed faster healing compared to controls.

Takeaway

This study created a special gel that helps heal diabetic wounds faster by releasing a helpful gas when needed.

Methodology

The study involved synthesizing a hydrogel that releases hydrogen sulfide in response to oxidative stress and testing its effects on wound healing in diabetic mice.

Potential Biases

Potential bias in the selection of treatment groups and outcomes measured.

Limitations

The study primarily focused on a mouse model, which may not fully replicate human wound healing processes.

Participant Demographics

Diabetic mice were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1093/rb/rbae134

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