Coverage of skin defects without skin grafts using adipose-derived stem cells.

Early human evidence such as case series or small samples is exploring possible benefits.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

A satisfying result is difficult to achieve in the repair of a full-thickness skin defect in the facial area, including the subunits of the nose. A full-thickness skin graft, nasolabial flap, or forehead flap as a major treatment still is used despite its relative potential for secondary contracture, unmatched skin color, hypertrophic scars, and donor-site morbidity. Another option, with good wound-healing power and soft tissue regeneration without skin grafts would be helpful for initiating treatment. Adult stem cells are a useful material in tissue engineering. Adipose-derived stem cells (ADSCs), an abundant population of pluripotent cells found in the stroma of adipose tissues, have been shown to differentiate in vitro into various cell lineages. As a robust source of bioactive growth factors, ADSCs contribute to recovery from ischemic damage, and they can promote the wound-healing process as well as soft tissue regeneration. The authors have experienced several cases of facial skin defect repair using ADSCs without skin grafts. In these cases, they observed rapid coverage of the wound with the patient's own regenerated tissue. During the treatment period, ADSC treatment showed an excellent wound-healing process in terms of quantity and quality.

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

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