中国组织工程研究 ›› 2015, Vol. 19 ›› Issue (7): 985-990.doi: 10.3969/j.issn.2095-4344.2015.07.001

• 骨组织构建 bone tissue construction •    下一篇

还原型谷胱甘肽促进高糖成骨细胞的增殖和分化

张琳琳1,张静莹2,曲 哲3,宋克东4,艾红军1   

  1. 1中国医科大学口腔医学院口腔修复科,辽宁省沈阳市 110001;2大连大学医学院,辽宁省大连市 116622;3大连市口腔医院,辽宁省大连市 116000;4大连理工大学化学与生命科学院,辽宁省大连市 116024
  • 出版日期:2015-02-12 发布日期:2015-02-12
  • 通讯作者: 张静莹,博士,大连大学医学院,辽宁省大连市 116622
  • 作者简介:张琳琳,女,1989年生,辽宁省大连人,汉族,中国医科大学在读硕士。
  • 基金资助:

    中国博士后科学基金面上项目(2014M551097);辽宁省教育厅基金(2013481);辽宁省博士启动基金(20141198);大连市科技计划项目(2013E11SF057)

Reduced glutathione promotes the proliferation and differentiation of osteoblasts under high glucose conditions

Zhang Lin-lin1, Zhang Jing-ying2, Qu Zhe3, Song Ke-dong4, Ai Hong-jun1   

  1. 1Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang 110001, Liaoning Province, China; 2School of Medicine, Dalian University, Dalian 116622, Liaoning Province, China; 3Dalian Stomatological Hospital, Dalian 116000, Liaoning Province, China; 4School of Chemistry and Life Science, Dalian University of Technology, Dalian 116024, Liaoning Province, China
  • Online:2015-02-12 Published:2015-02-12
  • Contact: Zhang Jing-ying, M.D., School of Medicine, Dalian University, Dalian 116622, Liaoning Province, China
  • About author:Zhang Lin-lin, Studying for master’s degree, Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang 110001, Liaoning Province, China
  • Supported by:

    the China Postdoctoral Science Foundation of China, No. 2014M551097; the Fund of Liaoning Provincial Education Department, No. 2013481; the Doctor Startup Foundation of Liaoning Province, No. 20141198; the Scientific Plan Project of Dalian, No. 2013E11SF057

摘要:

背景:糖尿病会通过影响成骨作用降低种植体的成功率并引起各种并发症。还原型谷胱甘肽可以通过酶反应直接或间接清除自由基,从而对成骨细胞的成骨起到一定保护作用。

 

目的:通过观察还原型谷胱甘肽对高糖环境下培养的成骨细胞的增殖和分化,以及对糖尿病兔骨缺损修复的影响,初步探讨还原型谷胱甘肽对高糖环境下成骨细胞的作用。

 

方法:将成骨细胞分为3组:正常对照组、高糖组、高糖+还原型谷胱甘肽组,通过对3种情况下MTT、碱性磷酸酶染色,观察还原型谷胱甘肽对高糖环境下成骨细胞增殖、分化的影响。在糖尿病新西兰兔骨缺损处放置还原型谷胱甘肽和骨粉的混合物,通过X射线观察还原型谷胱甘肽对糖尿病骨缺损修复的影响。

 

结果与结论:还原型谷胱甘肽能有效促进高糖环境下成骨细胞的增殖与分化,高糖+还原型谷胱甘肽组较高糖组细胞增殖明显(P < 0.05);高糖+还原型谷胱甘肽组比高糖组细胞细胞分化程度显著提高(P < 0.05)。添加还原型谷胱甘肽的糖尿病模型兔胫骨骨缺损处的骨密度影较单纯骨粉修复兔更明显(P < 0.05)。结果证实,还原型谷胱甘肽能促进高糖环境下成骨细胞的增殖及分化,促进糖尿病兔胫骨骨缺损处新生骨修复。

 


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, 骨组织工程, 还原型谷胱甘肽, 成骨细胞, 糖尿病, 骨质疏松, 增殖, 分化, 胫骨, 骨密度

Abstract:

BACKGROUND: Diabetes can reduce the success rate of implants by affecting osteogenesis. What’s more, it also causes a variety of complications. Reduced glutathione can remove free radicals directly or indirectly by an enzymatic reaction, and thus plays a protective role on osteoblasts.

 
OBJECTIVE: To evaluate the effects of reduced glutathione on the proliferation and differentiation of osteoblasts under high glucose conditions and the influence on bone defects of diabetes rabbits.
METHODS: In this experiment, the osteoblasts were divided into three groups: normal control group, high glucose group, high glucose+reduced glutathione group. We observed the proliferation and differentiation of osteoblasts by alkaline phosphatase staining and MTT. The diabetes rabbits which had bone defects were divided into two groups, and the mixture of reduced glutathione and Bioss was used to fill the bone defects in the experimental group to judge the influence of reduced glutathione on osteogenesis based on X-ray observation.
RESULTS AND CONCLUSION: Reduced glutathione could effectively promote the proliferation and differentiation of osteoblasts under high glucose conditions. The cell proliferation and differentiation showed more significant increase in the high glucose+reduced glutathione group than the high glucose group (P < 0.05). The bone mineral density shadow of the tibial bone defects after treatment with the mixture of reduced glutathione and Bioss was significantly higher than that after treatment with single Bioss (P < 0.05). These findings indicate that reduced glutathione can promote the proliferation and differentiation of osteoblasts, and effectively promote the repair of bone defects.


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: Tissue Engineering, Osteoblasts, Diabetes Mellitus, Osteoporosis

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