项目名称: CD106阳性胎盘间充质干细胞通过ESE-3促进血管新生的机制研究
项目编号: No.31470951
项目类型: 面上项目
立项/批准年度: 2015
项目学科: 生物科学
项目作者: 韩之波
作者单位: 中国医学科学院
项目金额: 89万元
中文摘要: CD106阳性胎盘间充质干细胞(MSC)具有更强的促血管新生能力,但机制尚不清楚。我们前期的研究结果显示:CD106+MSC高表达上皮特异性ETS转录因子家族成员-3(ESE-3),但ESE-3的功能目前知之甚少。本课题将系统探讨ESE-3对间充质干细胞旁分泌血管新生因子的影响及其作用机制。首先,以胎盘CD106+和CD106-MSC为模型,采用RNA干扰和过表达的技术,研究ESE-3对MSC旁分泌血管新生因子的影响和作用机制;其次,探讨ESE-3在CD106+MSC中的表达调控,研究CD106+MSC具有更强促血管新生能力的机制;最后,利用小鼠下肢缺血模型,研究ESE-3在CD106+MSC促血管新生中所发挥的作用,并在此基础上,探讨过表达ESE-3的MSC在缺血性疾病的治疗中的作用,为缺血性疾病的治疗提供依据。
中文关键词: 间充质干细胞;血管新生;ESE-3;CD106;基因表达调控
英文摘要: CD106+ placental mesenchymal stem cells (MSC) possess higher capability to promote angiogenesis; however, the precise mechanism remains unclear. Our previous studies revealed that CD106+ MSC express higher epithelial specific ETS transcription factor-3(ESE-3)than CD106- MSC. This project is dedicated to systemically exploring the effects of ESE-3 on angiogenic factors secretion of MSC and its function and mechanism on angiogenesis. First, setting up CD106+ MSC and CD106- MSC cell model by over-expression and knocked down. The influence of ESE-3 on MSC paracrine will be investigated; Secondly, exploring expression and regulation of ESE-3 in CD106+ MSC, and investigating why CD106+ MSC have higher capability to promote angiogenesis; Thirdly, introducing mouse limb ischemia model and investigating the role of ESE-3 on MSC paracrine. On this basis we will explore the therapeutic prospect of ESE-3 in ischemic diseases through overexpression. We hope this project could provide new theraputic strategy for treatment of ischemic diseases.
英文关键词: Mesenchymal stem cell;Angiogenesis;ESE-3;CD106;Gene expression and regulation