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Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own EpiSCs...

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Related Experiment Video

Updated: Jun 15, 2026

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers
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Mechano-Activated Cell Therapy for Accelerated Diabetic Wound Healing.

Yufeng Shou1,2, Zhicheng Le1,2, Hong Sheng Cheng3

  • 1Department of Biomedical Engineering, National University of Singapore, Singapore, 117583, Singapore.

Advanced Materials (Deerfield Beach, Fla.)
|September 8, 2023
PubMed
Summary

A novel magneto-responsive hydrogel system accelerates diabetic wound healing by combining cell therapy with dynamic mechanical stimulation. This "all-in-one" platform enhances cell activity, promotes tissue repair, and regulates glucose levels for improved therapeutic outcomes.

Keywords:
cell therapydiabetic woundsdynamic mechanical stimulationmagnetic hydrogelsregenerative medicine

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Wound Healing

Background:

  • Chronic diabetic wounds represent a major global health burden with limited efficacy from current treatments.
  • Existing strategies often fail to address multiple pathological aspects of diabetic wound complications.
  • There is a need for advanced therapeutic platforms to improve diabetic wound healing outcomes.

Purpose of the Study:

  • To develop and evaluate a novel platform technology for accelerating diabetic wound healing.
  • To investigate the combined effects of magneto-responsive hydrogels, encapsulated cells, and magneto-induced dynamic mechanical stimulation (MDMS).
  • To assess the platform's ability to address key pathological factors in diabetic wounds.

Main Methods:

  • Development of a magneto-responsive hydrogel system encapsulating fibroblasts and keratinocytes.
  • Application of wireless magneto-induced dynamic mechanical stimulation (MDMS) for non-genetic mechano-rheostat activation of fibroblasts.
  • Analysis of cell proliferation, collagen deposition, keratinocyte paracrine signaling, and angiogenesis.
  • Investigation of on-demand insulin release via hydrogel deformation for glucose regulation.
  • Utilizing scRNAseq data to identify and characterize mechanosensitive fibroblast subpopulations.

Main Results:

  • The hydrogel system achieved approximately 3-fold better wound closure in a diabetic mouse model.
  • MDMS significantly enhanced fibroblast proliferation (∼240%) and collagen deposition (∼220%).
  • MDMS improved keratinocyte paracrine profiles via the Ras/MEK/ERK pathway, boosting angiogenesis.
  • The magneto-responsive hydrogel enabled on-demand insulin release for localized glucose control.
  • Identification of a mechanosensitive fibroblast subpopulation that can be tuned for therapeutic benefit.

Conclusions:

  • The developed 'all-in-one' platform effectively accelerates diabetic wound healing by addressing multiple pathological factors.
  • MDMS serves as a potent non-genetic stimulus to enhance cellular functions crucial for tissue regeneration.
  • The system demonstrates potential for treating complex wounds, including those associated with diabetes.