上海交通大学学报(医学版)

• 论著(基础研究) • 上一篇    下一篇

防御素3基因转染牙周膜及骨髓基质细胞的初步研究

朱建华1,苗博1,刘娜1,王海燕2   

  1. 1.佳木斯大学附属口腔医院, 佳木斯 154002; 2.上海交通大学 医学院附属第九人民医院口腔黏膜科 上海市口腔医学研究所 上海市口腔医学重点实验室, 上海 200011
  • 出版日期:2015-06-28 发布日期:2015-07-30
  • 通讯作者: 王海燕, 电子信箱: 13601957850@163.com。
  • 作者简介:朱建华(1959—), 女, 主任医师, 学士; 电子信箱: 13555598883@163.com。
  • 基金资助:

    国家自然科学基金(81271157);2013—2014年国家临床重点专科建设项目(国卫办医函2013-554号)

Preliminary study on transfection of human periodontal ligament cells and human bone marrow mesenchymal cells by human β-defensin 3

ZHU Jian-hua1, MIAO Bo1, LIU Na1,  WANG Hai-yan2   

  1. 1.Jiamusi Oral Medical Hospital, Jiamusi University, Jiamusi 154002,  China; 2.Department of Oral Mucosa Diseases, Shanghai Research Institute of Stomatology, Shanghai Key Lab of Stomatology, Shanghai Ninth People's Hospital, College of Stomatology,  Shanghai Jiao Tong University School of Medicine, Shanghai 200011,  China
  • Online:2015-06-28 Published:2015-07-30
  • Supported by:

    National Natural Science Foundation of China, 81271157; State Key Clinical Specialty Construction Project of China, 2013-554

摘要:

目的 探讨人牙周膜细胞(hPDLCs)和人骨髓间充质细胞(hBMCs)被包含防御素3 (hBD3)基因的慢病毒转染后,其转染效率和成骨情况。方法 通过助转染剂polybrene将包含目的基因和绿色荧光蛋白(GFP)基因的慢病毒转染入hPDLCs和hBMCs,通过RT-PCR和Western blotting检验是否能正常表达hBD3,通过绿色荧光显微镜计数并计算转染效率。同时使用碱性磷酸酶和茜素红染色检测细胞的成骨潜能。结果 包含有hBD3基因和GFP基因的慢病毒对hBMCs和hPDLCs的转染效率分别达到44.44%和28.98%。仅包含有GFP基因的慢病毒对hBMCs和hPDLCs的转染效率分别达到79.94%和31.71%。结论 hPDLCs和hBMCs对hBD3基因的转染效率相近,可作为促使牙周组织再生的理想的种子细胞;被转染后的细胞仍具有成骨能力。

关键词: 防御素3, 人牙周膜细胞, 人骨髓间充质细胞, 转染, 慢病毒

Abstract:

Objective To investigate the transfection efficiency and bone formation of human periodontal ligament cells (hPDLCs) and human bone marrow mesenchymal cells (hBMCs) after being transfected by the lentivirus containing the gene of human β-defensin 3 (hBD3). Methods The lentivirus containing target gene and green fluorescent protein (GFP) gene was transfected to hPDLCs and hBMCs by the transfection agent polybrene. The expression of hBD3 was detected by the RT-PCR and Western blotting. The green fluorescence microscope was adopted to count cells and the transfection efficiency was calculated. The potential of bone formation was detected by the alkaline phosphatase staining and alizarin red staining. Results The transfection efficiencies of lentivirus containing hBD3 and GFP genes towards hBMCs and hPDLCs were 44.44% and 28.98%, respectively. The transfection efficiencies of lentivirus containing only GFP gene towards hBMCs and hPDLCs were 79.94% and 31.71%. Conclusion The transfection efficiencies of hPDLCs and hBMCs towards hBD3 gene are similar. And hPDLCs and hBMCs are ideal candidates for promoting the regeneration of periodontal tissue and transfected cells are still capable of forming bone.

Key words: human β-defensin 3, human periodontal ligament cells, human bone marrow mesenchymal cells, transfection, lentivirus