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Related Concept Videos

Renewal of Skin Epidermal Stem Cells01:12

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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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Overview of Regeneration and Repair01:19

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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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Clinical Applications of Epidermal Stem Cells01:19

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Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential;...
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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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Generation of a Three-dimensional Full Thickness Skin Equivalent and Automated Wounding
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A MUSE for Skin Regeneration.

Michael S Hu1, Michael T Longaker2

  • 1Hagey Laboratory for Pediatric Regenerative Medicine, Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University School of Medicine, Stanford, California, USA.

The Journal of Investigative Dermatology
|November 25, 2017
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Summary
This summary is machine-generated.

Scientists have discovered a new method to regenerate skin using multilineage-differentiating stress-enduring cells. These cells can be transformed into fibroblasts and keratinocytes, offering a promising solution for chronic wounds and tissue defects.

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Area of Science:

  • Regenerative Medicine
  • Stem Cell Biology
  • Dermatology

Background:

  • Chronic wounds and soft tissue defects present a significant clinical challenge.
  • There is a critical need for effective skin regeneration strategies.
  • Mesenchymal stem cells contain distinct pluripotent cell populations.

Purpose of the Study:

  • To investigate the potential of multilineage-differentiating stress-enduring cells for skin regeneration.
  • To determine if these cells can differentiate into key skin cell types.

Main Methods:

  • Identification of multilineage-differentiating stress-enduring cells within human mesenchymal cell populations.
  • Experimental differentiation of these cells into fibroblasts and keratinocytes.

Main Results:

  • Multilineage-differentiating stress-enduring cells were successfully identified.
  • These cells demonstrated effective differentiation into fibroblasts and keratinocytes.
  • The differentiated cells are suitable for skin reconstitution.

Conclusions:

  • Multilineage-differentiating stress-enduring cells represent a viable source for skin regeneration.
  • This research offers a novel approach for treating skin defects.
  • The findings pave the way for advanced wound healing therapies.