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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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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
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Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

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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...
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Renewal of Skin Epidermal Stem Cells01:12

Renewal of Skin Epidermal Stem Cells

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The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
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Tissue Renewal without Stem Cells01:23

Tissue Renewal without Stem Cells

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After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
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Updated: Jan 13, 2026

Using R, Seurat, and CellChat to Analyze a Single-Cell Transcriptomics Dataset of Mouse Skin Wound Healing
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Using R, Seurat, and CellChat to Analyze a Single-Cell Transcriptomics Dataset of Mouse Skin Wound Healing

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Decoding wound healing: cellular insights and technological advances.

Kayleigh A Berthiaume Fox1,2, Emily R Galvin2, Erika Kness-Knezinskis3

  • 1Medical Scientist MD/PhD Training Program (MSTP), University of Arizona College of Medicine, Tucson, AZ USA.

Npj Biomedical Innovations
|January 12, 2026
PubMed
Summary
This summary is machine-generated.

Wound healing involves complex cellular activities across four phases. New technologies like single-cell and multi-omics are improving our understanding of wound biology and cell behavior.

Keywords:
Computational biology and bioinformaticsDiabetes complicationsGene expression profiling

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Area of Science:

  • Cellular Biology
  • Tissue Repair Mechanisms
  • Regenerative Medicine Technologies

Background:

  • Wound healing is a dynamic biological process essential for restoring tissue integrity.
  • It involves four overlapping phases: hemostasis, inflammation, proliferation, and remodeling.
  • Understanding cellular heterogeneity and phenotypes is crucial for effective wound management.

Purpose of the Study:

  • To review traditional and emerging technologies for studying wound healing.
  • To highlight advancements in understanding the cellular biology of wounds.
  • To emphasize the role of new omics technologies in wound research.

Main Methods:

  • Review of histological techniques.
  • Analysis of high-resolution single-cell technologies.
  • Integration of spatial and multi-omics approaches.

Main Results:

  • Traditional methods provide foundational insights into wound healing phases.
  • Emerging technologies offer unprecedented resolution of cellular heterogeneity and spatial organization.
  • Multi-omics data integration reveals complex molecular interactions during healing.

Conclusions:

  • Technological advancements are revolutionizing the study of wound cellular biology.
  • High-resolution and multi-omics approaches are key to deciphering complex healing processes.
  • Future research will benefit from these integrated technologies for improved wound therapies.