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Related Concept Videos

Phases of Wound Repair01:28

Phases of Wound Repair

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Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
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Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
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Related Experiment Video

Updated: Nov 8, 2025

Human Ex vivo Wound Model and Whole-Mount Staining Approach to Accurately Evaluate Skin Repair
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Eliminating non-healing wounds: a review.

Damien P Kuffler1

  • 1Institute of Neurobiology, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico 00901, USA.

Regenerative Medicine
|April 20, 2021
PubMed
Summary

Non-healing wounds like diabetic ulcers require advanced treatments. Platelet-rich plasma shows promise, especially when combined with other therapies, for promoting complete wound healing.

Keywords:
electrical stimulationneuropathic painplatelet-rich plasmaulcer elimination

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Last Updated: Nov 8, 2025

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Area of Science:

  • Dermatology and Regenerative Medicine
  • Wound Healing Research

Background:

  • Non-healing cutaneous wounds, including pressure, diabetic, and venous ulcers, result from tissue death due to ischemia, infection, metabolic issues, or immunosuppression.
  • These chronic wounds often become painful, increase in size, and are resistant to conventional treatments.

Purpose of the Study:

  • To review the causes (etiology) of non-healing wounds.
  • To examine various wound management strategies.
  • To evaluate the effectiveness and mechanisms of platelet-rich plasma (PRP) in promoting wound healing.

Main Methods:

  • Literature review focusing on the etiology of non-healing wounds.
  • Analysis of different wound management techniques.
  • Examination of studies on platelet-rich plasma efficacy and mechanisms in wound healing.

Main Results:

  • Platelet-rich plasma (PRP) demonstrates significant potential in promoting wound healing.
  • PRP is more effective when used in conjunction with other therapeutic techniques.
  • Further research is needed to confirm synergistic effects of simultaneous combined therapies.

Conclusions:

  • Platelet-rich plasma is a promising therapeutic agent for non-healing cutaneous wounds.
  • Combination therapies involving PRP may offer superior outcomes compared to PRP alone.
  • Investigating simultaneous application of combined techniques is crucial for optimizing wound healing.