Future application of hair follicle stem cells: capable in differentiation into sweat gland cells

来源 :中华医学杂志英文版 | 被引量 : 0次 | 上传用户:zhjie1977
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Background Sweat glands (SGs) can not regenerate after complete destruction in the severe skin injury,so it is important to find a ideal stem cell source in order to regenerate functional SGs.Hair follicle stem cells (HFSCs)possess the obvious properties of the adult stem cells,which are multipotent and easily accessible.In this research,we attempted to direct the HFSCs suffered from the sweat gland cells (SGCs) special differentiation by a cooperative coculture system in vitro.Methods The designed co-culture microenvironment in the transwell was consist of two critial factors:heat shocked SGCs and dermis-like mesenchymal tissue,which appeared independently in the two control groups; after induction,the purified induced SGC-like cells were transplanted into the full-thickness scalded wounds of the nude mice,after 4 weeks,the reconstructed SG-like structures were identified by immunohistochemical and immunofiuorescence analysis.Results A part of HFSCs in experimental group finally expressed SGCs phenotypes,by contrast,the control group 1 which just containing dermis-like mesenchymal tissue failed and the control group 2 consisted of heat shocked SGCs was in a poor efficiency; by immunofluorescence staining and flow cytometry analysis,the expression of HFSCs special biomarkers was down regulated,instead of the positive efficiency of SGCs special antigens increased; besides,the induced SGCs displayed a high expression of ectodysplasin A (EDA) and ectodysplasin A receptor (EDAR) genes and proteins; after cell transplantation,the youngest SG-like structures formed and be positive in SGCs special antigens,which never happened in untreated wounds (P <0.05).Conclusion The HFSCs are multipotential and capable in differentiating into SGCs which promise a potential stem cells reservoir for future use; our special co-culture microenvironment is promising for HFSCs differentiating; the induced SGCs are functional and could work well in the regeneration of SGs.
其他文献
目的观察注射用炎琥宁治疗外感高热症的临床疗效.方法将156例外感高热症患者随机分为两组,治疗组86例采用炎琥宁治疗,对照组70例给予病毒唑注射液治疗;主要观察体温及相关症
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
期刊
目的探讨重型颅脑损伤合并多发伤伴的临床特点和救治策略。方法本组85例,GCS均
期刊
目的测定环胞素A微球中环胞素A的含量。方法采用高效液相色谱法,色谱柱为C18柱(150mm×4.6mm,5μm),流动相为乙腈-甲醇-水(54∶23∶23),检测波长:213nm。结果环胞素A在5-80μ