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Related Concept Videos

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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Creation and Transplantation of an Adipose-derived Stem Cell ASC Sheet in a Diabetic Wound-healing Model
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Supercritical Carbon Dioxide-Processed Acellular Dermal Matrix Patch for Enhanced Wound Healing.

Xinrui Zhang1,2, Linh Thi Thuy Le2,3,4, Yongxun Jin1,2

  • 1Department of Plastic and Reconstructive Surgery, College of Medicine, Seoul National University, Seoul 03080, Republic of Korea.

International Journal of Molecular Sciences
|June 26, 2025
PubMed
Summary

SCderm Matrix, a novel supercritical carbon dioxide processed acellular dermal matrix, significantly accelerates wound healing. This advanced biomaterial reduces inflammation and promotes tissue regeneration, outperforming existing treatments.

Keywords:
acellular dermal matrixpatchsupercritical carbon dioxidewound healing

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Wound healing presents a global clinical challenge requiring advanced therapeutic strategies.
  • Acellular dermal matrices (ADMs) are utilized for wound management, but novel processing methods are needed to enhance efficacy.
  • Supercritical carbon dioxide (sCO2) processing offers a promising technique for developing advanced biomaterials.

Purpose of the Study:

  • To evaluate the efficacy of SCderm Matrix, an ADM processed using supercritical carbon dioxide (sCO2).
  • To compare the performance of SCderm Matrix against untreated controls and existing ADM products in a wound healing model.
  • To elucidate the underlying mechanisms by which SCderm Matrix promotes wound healing.

Main Methods:

  • SCderm Matrix was developed using sCO2 processing of human skin tissue.
  • In vivo full-thickness skin wound models in Sprague-Dawley rats were used for evaluation.
  • Wound closure, inflammation, tissue formation, histology, and molecular markers (ROS, cytokines, proliferation markers) were assessed.

Main Results:

  • SCderm Matrix significantly accelerated wound closure and enhanced granulation tissue formation compared to controls and commercial ADMs.
  • Histological analysis showed improved re-epithelialization and collagen deposition with SCderm Matrix treatment.
  • SCderm Matrix treatment reduced reactive oxygen species (ROS) and pro-inflammatory cytokines while upregulating proliferation and remodeling markers (α-SMA, vimentin, TGF-β1).

Conclusions:

  • SCderm Matrix effectively promotes wound healing through modulation of inflammation, enhanced antioxidant defense, and support of tissue regeneration.
  • The sCO2 processing method yields an ADM with superior structural and biocompatible properties.
  • SCderm Matrix demonstrates significant potential as a versatile biomaterial for clinical wound care applications.