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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.
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
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Healing II: Complications01:24

Healing II: Complications

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Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...
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Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

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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.
Regeneration
All animals have varying degrees of...
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Healing I: Introduction01:11

Healing I: Introduction

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Healing is the physiological process by which the body restores the integrity and function of damaged tissues following injury. It involves a coordinated interplay of cellular proliferation, extracellular matrix remodeling, and growth factor signaling. The extent and nature of the tissue damage determine whether healing occurs by resolution, regeneration, or replacement.ResolutionResolution represents the most complete form of healing, occurring when the injury is minimal and tissue...
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Tissue Injury: Inflammation and Repair01:28

Tissue Injury: Inflammation and Repair

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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Updated: Apr 18, 2026

Protocol to Create Chronic Wounds in Diabetic Mice
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Current wound healing procedures and potential care.

Michael B Dreifke1, Amil A Jayasuriya2, Ambalangodage C Jayasuriya1

  • 1Department of Orthopaedic Surgery, College of Medicine and Life Sciences, The University of Toledo, Toledo, OH 43614-5807, USA.

Materials Science & Engineering. C, Materials for Biological Applications
|January 13, 2015
PubMed
Summary

This review covers current and future wound healing treatments, including advanced dressings and novel therapies like growth factors, siRNA, and stem cells for better patient outcomes.

Keywords:
Chronic woundsGrowth factorsSensorsStem cellsWound dressingsWound healingsiRNA

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Area of Science:

  • Regenerative Medicine
  • Biomaterials Science
  • Biotechnology

Background:

  • Current wound healing relies on grafts and polymer-based dressings (collagen, chitosan, hyaluronic acid).
  • Existing treatments face limitations in addressing complex acute and chronic wound challenges.
  • Need for advanced therapeutic strategies to improve healing efficiency and prevent complications.

Purpose of the Study:

  • To review current and emerging wound healing treatment modalities.
  • To explore novel therapeutic interventions for acute and chronic wound management.
  • To highlight the potential of advanced technologies in wound care.

Main Methods:

  • Literature review of existing wound healing approaches.
  • Analysis of FDA-approved wound dressings and biomaterials.
  • Exploration of novel therapeutic strategies including growth factor delivery, RNA interference, and stem cell therapy.
  • Investigation of environmental sensor applications for wound monitoring.

Main Results:

  • Established wound healing treatments include autografts, allografts, and cultured epithelial autografts.
  • FDA-approved dressings utilize polymers like collagen, silicon, chitosan, and hyaluronic acid.
  • Emerging therapies involve sustained delivery of growth factors, siRNA, microRNA targeting, and stem cell therapy.
  • Environmental sensors offer potential for real-time monitoring of wound microenvironments (pH, infection, hydration).

Conclusions:

  • Significant advancements in wound healing treatments are available and under development.
  • Novel therapeutic interventions promise improved outcomes for acute and chronic wounds.
  • Integration of advanced technologies like sensors and regenerative medicine will revolutionize wound care.