Wound Healing Strategies for Diabetic Ulcers

Summary

Diabetic foot ulcers represent a major cause of morbidity and non-traumatic lower-limb amputations worldwide. Chronic hyperglycaemia induces neuropathy, microvascular dysfunction and an excessive inflammatory milieu that disrupts the orderly phases of wound healing. Elevated levels of matrix metalloproteinase-9 degrade key growth factors and extracellular matrix components, while impaired angiogenesis and re-epithelialisation hinder tissue repair. Standard care relies on surgical debridement, offloading and infection control, yet many wounds remain refractory. Recent developments have explored advanced biomaterials to deliver therapeutic agents, bio-instructive dressings that modulate cellular responses and therapies aimed at restoring microcirculation and growth factor balance. An integrated approach combining metabolic optimisation, vascular assessment and targeted local interventions is essential to enhance healing outcomes and reduce the global burden of diabetic ulcers.

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Wound Healing Strategies for Diabetic Ulcers publication trend

The graph below shows the total number of articles in wound healing strategies for diabetic ulcers across all publications each year (not limited to Nature Index journals).

Technical terms

Matrix metalloproteinase-9 (MMP-9): Proteolytic enzyme that degrades extracellular matrix and growth factors, impairing wound repair.

Hydrogel: Hydrophilic polymer network capable of retaining large volumes of fluid, used as a moist wound dressing and drug delivery matrix.

Angiogenesis: Formation of new blood vessels from existing vasculature, essential for delivering oxygen and nutrients to healing tissue.

Granulation tissue: Newly formed connective tissue and microscopic blood vessels that fill a wound during the proliferative phase of healing.

References

  1. A double-network porous hydrogel based on high internal phase emulsions as a vehicle for potassium sucrose octasulfate delivery accelerates diabetic wound healing. Regenerative Biomaterials (2024).
  2. Mechanisms Involved in the Development and Healing of Diabetic Foot Ulceration. Diabetes (2012).
  3. Microparticles Decorated with Cell‐Instructive Surface Chemistries Actively Promote Wound Healing. Advanced Materials (2022).
  4. Microcirculation Improvement in Diabetic Foot Patients after Treatment with Sucrose Octasulfate-Impregnated Dressings. Journal of Clinical Medicine (2023).
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