中国组织工程研究 ›› 2014, Vol. 18 ›› Issue (20): 3139-3143.doi: 10.3969/j.issn.2095-4344.2014.20.005

• 皮肤粘膜组织构建 skin and mucosal tissue construction • 上一篇    下一篇

扩张器周围构建自体复合皮修复原位皮肤缺损

艾剑雄,何丽霞,杨任欢,牙祖蒙   

  1. 重庆医科大学附属第二医院整形美容科,重庆市  400010
  • 收稿日期:2014-02-20 出版日期:2014-05-14 发布日期:2014-05-14
  • 通讯作者: 牙祖蒙,博士,主任医师,重庆医科大学附属第二医院美容整形科,重庆市 400010
  • 作者简介:艾剑雄,男,1980年生,陕西省宝鸡市人,汉族,重庆医科大学在读硕士,主要从事组织移植和体表器官塑形方面的研究。
  • 基金资助:

    重庆市科委自然科学基金课题(CSTC 2007BB5315),课题名称:体内构建自体复合皮的基础及应用研究

Constructing autologous composite skin around the expander for the repair of skin defects

Ai Jian-xiong, He Li-xia, Yang Ren-huan, Ya Zu-meng   

  1. Department of Plastic Surgery, Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
  • Received:2014-02-20 Online:2014-05-14 Published:2014-05-14
  • Contact: Ya Zu-meng, M.D., Chief physician, Department of Plastic Surgery, Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
  • About author:Ai Jian-xiong, Studying for master’s degree, Department of Plastic Surgery, Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
  • Supported by:

    the Natural Science Foundation of Science and Technology Committee of Chongqing City, No. CSTC 2007BB5315

摘要:

背景:目前组织工程皮肤构建时间长,价格贵,修复效果不佳,而且抗原的消除以及疾病传播问题也没有彻底解决。在理想的组织工程皮肤诞生之前,如何利用现有的成熟技术来解决自体皮源奇缺患者的创面修复难题?
目的:观察扩张器周围构建的自体复合皮用于修复皮肤缺损创面的效果。
方法:取大耳白兔10只,于其背部中线两侧对称部位皮下各埋植一球形硅胶扩张器,待扩张器周围形成纤维包囊后,分别向其中注入原代培养的自体皮肤上皮细胞悬液(实验组)或生理盐水(对照组),4周后取出扩张器,可见实验组形成上皮化的纤维包囊,即自体复合皮。沿扩张囊周边切除扩张器顶部皮肤及部分纤维包膜,而扩张器底面和顶部周边的纤维包囊予以保留,形成自体复合皮覆盖的创面,而对照组创面为非上皮化的纤维包囊覆盖,每日观察创面的愈合状况直至痊愈。
结果与结论:实验组创面红润洁净,分泌物少,平均愈合时间为(14.0±0.4) d,镜下可见上皮层厚而规整;对照组创面分泌物较多,平均愈合时间为(27.0±0.7) d,镜下见上皮层薄且细胞排列不规整。说明应用扩张器周围构建的自体复合皮能明显促进创面愈合。



中国组织工程研究
杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程


全文链接:

关键词: 组织构建, 组织工程, 皮肤组织构建, 扩张器, 硅胶, 纤维包囊, 上皮细胞, 自体复合皮, 兔, 皮肤缺损, 创面愈合

Abstract:

BACKGROUND: The construction of tissue engineered skin needs a long time and high price, and the repair effects are poor. Moreover, the problems such as antigen elimination and disease propagation are not thoroughly solved. How to solve the tough problem of wound surface repair in patients lacking of autologous skin using current mature technology before the occurrence of ideal tissue engineered skin.
OBJECTIVE: To investigate the effects of autologous composite skin constructed around expanders on the repair of the wound surface.
METHODS: A total of 10 rabbits were selected. Two globular silica gel expanders were embedded subcutaneously in the symmetrical sites on the back of rabbits. After the expanders were covered by fiber kystis, cell suspension of primary cultured skin epithelial cells (experimental group) or physiological saline (control group) were infused into lacuna between the expander. Four weeks later, the expanders were obtained. Experimental group presented epithelization, i.e., autologous composite skin. The skin and some fiber members on the top of the expanders were resected around the encystations. The fiber kystis on the bottom and surrounding the expanders was left to form the wound surface covered by autologous composite skin. However, the wound surface was covered by non-epithelization fiber kystis in the control group. The healing of wound surface was observed until recovered.
RESULTS AND CONCLUSION: In the experimental group, the wound surface was ruddy and pure, with less secretion; the average healing time was (14.0±0.4) days; the microscopic appearance indicated that epithelial layer was thick and regular. In the control group, there was more secretion on wound surface; the average healing time was (27.0±0.7) days; the microscopic appearance indicated that epithelial layer was thin and irregular. These results suggested that the construction of autologous composite skin around the expanders could noticeably promote the healing of wound surface.



中国组织工程研究
杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松组织工程


全文链接:

Key words: wound healing, epithelial cells, epidermis, burns, dilatation, tissue expansion devices, tissue engineering

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