中国组织工程研究 ›› 2017, Vol. 21 ›› Issue (4): 499-504.doi: 10.3969/j.issn.2095-4344.2017.04.002

• 骨组织构建 bone tissue construction • 上一篇    下一篇

不同浓度厄贝沙坦对前成骨细胞分化和矿化的影响

丁晓伟1,徐  湲2,闵  泽1,千勇洙1,何志丹1,徐  洋1,刘倩倩1,赵忠海1   

  1. 沈阳医学院附属中心医院,1康复医学科,2中心实验室,辽宁省沈阳市  110024
  • 收稿日期:2016-12-07 出版日期:2017-02-08 发布日期:2017-03-13
  • 通讯作者: 通讯作者:赵忠海,主任医师,沈阳医学院附属中心医院康复医学科,辽宁省沈阳市 110024
  • 作者简介:丁晓伟,女,1983年生,河北省石家庄市人,汉族,硕士,主治医师,主要从事手外伤和脑血管病的康复治疗。

Effects of different concentrations of irbesartan on the differentiation and mineralization of preosteoblasts

Ding Xiao-wei1, Xu Yuan2, Min Ze1, Qian Yong-zhu1, He Zhi-dan1, Xu Yang1, Liu Qian-qian1, Zhao Zhong-hai1   

  1. 1Department of Rehabilitation, 2Central Laboratory, Affiliated Central Hospital of Shenyang Medical University, Shenyang 110024, Liaoning Province, China
  • Received:2016-12-07 Online:2017-02-08 Published:2017-03-13
  • Contact: Corresponding author: Zhao Zhong-hai, Chief physician, Department of Rehabilitation, Affiliated Central Hospital of Shenyang Medical University, Shenyang 110024, Liaoning
  • About author:Ding Xiao-wei, Master, Attending physician, Department of Rehabilitation, Affiliated Central Hospital of Shenyang Medical University, Shenyang 110024, Liaoning Province, China

摘要:

文章快速阅读:

文题释义:
厄贝沙坦:为血管紧张素Ⅱ受体拮抗剂,是常用的治疗高血压和心力衰竭的药物。厄贝沙坦主要通过诱导监测骨吸收、增加骨密度发挥作用,其不仅可在骨痂形成中发挥作用,同时也可抑制成骨细胞的基质钙化。多年来,关于厄贝沙坦与促进成骨细胞分化的研究较少,目前仍集中在动物水平。最近的研究表明,厄贝沙坦在成骨细胞分化过程发挥重要调节作用,可改善骨质疏松。
Runt相关转录因子2:对骨髓间充质干细胞向成骨细胞的分化有一定的促成骨效应。Runt相关转录因子2基因的缺失将导致骨发育不良或骨发育终止,可见 Runt相关转录因子2基因是成骨细胞分化的控制基因,也是骨形成过程中的控制基因。Runt相关转录因子2能调节多种成骨细胞的特异性标志物的增殖分化和表达。
摘要
背景:
有研究发现,血管紧张素Ⅱ受体拮抗剂对骨的保护作用强于较血管紧张素转换酶抑制剂。
目的:观察不同浓度血管紧张素Ⅱ受体拮抗剂厄贝沙坦对小鼠前成骨细胞分化和矿化的影响。
方法:选取对数生长期小鼠前体成骨细胞株MC3T3-E1,分4组培养,分别加入含0(对照),0.001,0.01,0.1 mmol/L厄贝沙坦的成骨诱导培养基培养。诱导培养10 d,采用碱性磷酸酶染色观察细胞分化情况;诱导培养21 d,采用茜素红染色观察细胞矿化情况;诱导培养1,4,7,14,21 d,RT-PCR检测细胞成骨细胞内骨钙素、碱性磷酸酶、Runt相关转录因子2mRNA的相对表达量。
结果与结论:①碱性磷酸酶染色:0.001,0.01,0.1 mmol/L厄贝沙坦组碱性磷酸酶活性均高于对照组(P < 0.05),其中以0.01 mmol/L效果最明显;②茜素红染色:0.001,0.01,0.1 mmol/L厄贝沙坦组钙结节数量及面积均高于对照组(P < 0.05),其中以0.01 mmol/L效果最明显;③RT-PCR检测:0.01 mmol/L厄贝沙坦组诱导培养不同时间点的碱性磷酸酶、Runt相关转录因子2、骨钙素mRNA相对表达量均高于对照组(P < 0.05);④结果表明:0.01 mmol/L厄贝沙坦可显著促进成骨细胞的分化和矿化。

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
ORCID: 0000-0001-6605-5432(赵忠海)

关键词: 组织构建, 骨细胞, 厄贝沙坦, 成骨细胞, 分化, 矿化, 碱性磷酸酶染色

Abstract:

Abstract
BACKGROUND:
Angiotensin II receptor antagonists have been found to exerct a stronger protective effect on bone than angiotensin converting enzyme inhibitors.
OBJECTIVE: To investigate the effect of different concentrations of irbesartan (angiotensin II receptor antagonist) on the differentiation and mineralization of mouse preosteoblasts.
METHODS: Mouse preosteoblast cell lines MC3T3-E1 in logarithmic phase were selected and cultured in the osteogenic induction medium containing 0 (control group), 0.001, 0.01, 0.1 mmol/L irbesartan, respectively. Ten days later, the cell differentiation was observed by alkaline phosphatase staining. The mineralization was observed by alizarin red staining after 21 days of culture. mRNA expressions of osteocalcin, alkaline 
phosphatase and Runt-associated transcription factor 2 in osteoblasts were detected by real-time PCR at 1, 4, 7, 14 and 21 days of culture.
RESULTS AND CONCLUSION: The activity of alkaline phosphatase in all the irbesartan groups (0, 0.001, 0.01, 0.1) was higher than that in the control group (P < 0.05), which was the most obvious in 0.01 mmol/L. The number and area of calcium nodules in each irbesartan group were significantly higher than those in the control group (P < 0.05), especially in 0.01 mmol/L. Compared with the control group, 0.01 mmol/L irbesartan significantly upregulated the mRNA expressions of osteocalcin, alkaline phosphatase and Runt-associated transcription factor 2 (P < 0.05). These results suggest that 0.01 mmol/L irbesartan significantly promotes the differentiation and mineralization of osteoblasts.

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

Key words:  Osteoblasts, Cell Differentiation, Alkaline Phosphatase, Tissue Engineering

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