What does this research mean for the field?

Intraoperative rapid isolation and application of autologous epidermal stem cells improves single-stage composite skin graft survival, enhances vascularization, and reduces contraction in full-thickness wounds. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate whether intraoperative rapid isolation of autologous epidermal stem cells enhances acellular dermal matrix vascularization, reduces contraction, and improves graft survival in full-thickness wounds.

August 28, 2026Plastic & Reconstructive Surgery

Intraoperative Rapid Harvest of Autologous Epidermal Stem Cells Improves Single-Stage Composite Skin Graft Survival in Full-Thickness Wounds

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Authors

ZWZhiyong WangSun Yat-sen University PWPeng WangQingdao University HXHailin XuSun Yat-sen University

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Implication

Randomized trial demonstrates improved composite skin graft survival in rats, indicating a viable single-stage tissue engineering approach.

Key Points

To evaluate whether intraoperative rapid isolation of autologous epidermal stem cells enhances acellular dermal matrix vascularization, reduces contraction, and improves graft survival in full-thickness wounds.
A total of 24 Sprague Dawley rats with 2.5-cm full-thickness dorsal wounds were randomized into a tissue-engineered skin (TES) group (ADM + ESCs + STSGs), a composite skin (CS) group (ADM + STSGs), and an STSG group.
Epidermal stem cells (ESCs) were rapidly isolated from split-thickness skin grafts using Myseed technology and profiled for viability and markers (CD44, CD90, CD106) using flow cytometry.
Graft survival, wound contraction, perfusion (laser speckle imaging), and vessel density (CD31 immunohistochemistry) were evaluated at days 4, 7, 14, and 21.
The TES group demonstrated improved survival with a failure rate of 1 of 8 compared to 3 of 8 in the CS group, achieving complete wound closure by day 21.
Wound contraction was significantly lower in the TES group (20.85%) compared to the STSG group (39.48%; P < 0.001), alongside accelerated wound healing at days 7, 14, and 21 (P < 0.001).
Angiogenesis was significantly enhanced in the TES group, exhibiting higher perfusion on days 4, 7, and 14 (P < 0.01) and elevated CD31-positive vessel counts at day 7 compared to the CS group (P < 0.01).

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a91467bd15324a1df3aa145 https://doi.org/10.1097/prs.0000000000012651

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Implication

Randomized trial demonstrates improved composite skin graft survival in rats, indicating a viable single-stage tissue engineering approach.

Intraoperative Rapid Harvest of Autologous Epidermal Stem Cells Improves Single-Stage Composite Skin Graft Survival in Full-Thickness Wounds

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Implication

Key Points

Cite This Study

Intraoperative Rapid Harvest of Autologous Epidermal Stem Cells Improves Single-Stage Composite Skin Graft Survival in Full-Thickness Wounds

Discussion

Member takes

Implication

Key Points

Cite This Study

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