Tissue engineering of lips and muco-cutaneous junctions: in vitro development of tissue engineered constructs of oral mucosa and skin for lip reconstruction.

Tissue engineering of lips and muco-cutaneous junctions: in vitro development of tissue engineered constructs of oral mucosa and skin for lip reconstruction.
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嘴唇和粘膜-皮肤连接处的组织工程:用于唇部重建的口腔粘膜和皮肤组织工程结构的体外开发。

DOI:
10.1089/ten.tec.2011.0406
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发表时间:
2012
期刊:
Tissue engineering. Part C, Methods
影响因子:
--
通讯作者:
Feinberg,StephenE
Feinberg,StephenE
中科院分区:
--
文献类型:
--
作者:
Peramo,Antonio;Marcelo,CynthiaL;Feinberg,StephenE

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我们首次报道了一个三维组织结构的制造,包含在一个连续的层,嘴唇的形态特征:表皮皮肤,朱红色,和口腔粘膜。该组织工程化粘膜皮肤(M/C)等效物使用在无细胞、非免疫原性真皮等效物(AlloDerm®)上生长的人口腔和皮肤角质形成细胞制造,以产生与天然人嘴唇具有相似解剖学和操作特性的组织等效物。使用常规组织学和免疫组织化学通过鉴定在嘴唇的单独解剖区域中差异表达的上皮标志物来确认构建体的结构组成。这些全层人类唇部皮肤等效物可用于患有癌症、先天性变形和事故后损伤的唇部缺失的个体的外科唇部重建。我们建议这种技术可以作为一个通用的基础,组织工程的M/C连接在身体的其他部分,如肛门和阴道。
We report for the first time the fabrication of a three-dimensional tissue structure containing, in a continuous layer, the morphological features of a lip: epidermal skin, vermillion, and oral mucosa. This tissue engineered muco-cutaneous (M/C) equivalent was manufactured using human oral and skin keratinocytes grown on an acellular, nonimmunogenic dermal equivalent (AlloDerm®) to produce a tissue equivalent with similar anatomic and handling properties as native human lips. Confirmation of the structural composition of the construct was performed using routine histology and immunohistochemistry by identification of epithelial markers that are differentially expressed in separate anatomic areas of the lips. These full-thickness human lip skin equivalents can be used in surgical lip reconstruction in individuals suffering from lip loss from cancer, congenital deformations, and injuries after accidents. We propose this technique can be used as a general basis for tissue engineering of M/C junctions in other parts of the body, such as anus and vagina.
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