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相关概念视频

Clinical Applications of Epidermal Stem Cells01:19

Clinical Applications of Epidermal Stem Cells

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 EpiSCs...

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相关实验视频

Updated: Jun 25, 2026

Cultivating a Three-dimensional Reconstructed Human Epidermis at a Large Scale
08:49

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组织工程皮肤模型的开发,具有表皮,皮肤和皮下部件.

V L Workman1, A-V Giblin2, N H Green1

  • 1Department of Materials Science and Engineering, University of Sheffield, Sheffield, UK.

In vitro models
|January 28, 2025
PubMed
概括

研究人员开发了一种新的三层皮肤模型,其中包括皮下皮,这对皮肤健康至关重要. 这种先进的组织工程皮肤为研究皮肤功能和疾病提供了更完整的体外模型.

关键词:
肥胖的是一种脂肪.细胞克拉胺是什么 细胞克拉胺是什么皮肤-表皮结口.低皮质 (hypodermis) 是一个低皮质体.雷特山脉的山脊可以看到.皮肤 皮肤 皮肤 皮肤组织工程是组织工程.

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Last Updated: Jun 25, 2026

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科学领域:

  • 生物技术是生物技术.
  • 组织工程是组织工程.
  • 皮肤病学 皮肤病学

背景情况:

  • 组织工程皮肤模型对于研究至关重要,但往往缺乏下皮层.
  • 皮下体在皮肤平衡和疾病中发挥着关键作用,但由于缺乏适当的模型,其研究不足.

研究的目的:

  • 开发和描述一个生理相关的,组织工程三层皮肤模型,包括表皮,皮肤和皮下皮肤层.

主要方法:

  • 在脱细胞化人体皮肤上培养的人类角质细胞和纤维细胞,与扩展的人类脂肪组织相结合.
  • 两层 (表皮-皮肤) 和三层 (表皮-皮肤-皮肤下层) 模型的比较.

主要成果:

  • 与双层模型相比,三层模型表明皮肤-表皮结合形态和网状脊形成有所改善.
  • 细胞增殖 (Ki-67) 和细胞克拉表达 (AE1/AE3,细胞克拉14) 在28天内与原生皮肤组织相当.
  • 该模型保留了原生细胞外矩阵结构和细胞异质性.

结论:

  • 一个新的,生理上相关的三层组织工程皮肤模型,成功地开发了结合下皮的皮肤模型.
  • 该模型为需要功能性皮下部件的研究提供了有价值的工具,促进了皮肤平衡和疾病的研究.