中国组织工程研究 ›› 2022, Vol. 26 ›› Issue (2): 239-244.doi: 10.12307/2022.039

• 组织构建相关数据分析 Date analysis of organization construction • 上一篇    下一篇

MiR-106b-5p调控老年骨质疏松性骨折的分子网络

王海龙1,李  龙1,伊力哈木·托合提1,刘  旭2,那次克道尔吉2,陈洪涛2,崔  泳3   

  1. 1新疆医科大学第七附属医院骨科,新疆维吾尔自治区乌鲁木齐市   830000;2 新疆医科大学第六附属医院运动损伤科,新疆维吾尔自治区乌鲁木齐市   830010;3新疆医科大学第五附属医院骨科,新疆维吾尔自治区乌鲁木齐市   830011
  • 收稿日期:2020-09-28 修回日期:2020-09-30 接受日期:2020-12-09 出版日期:2022-01-18 发布日期:2021-10-27
  • 通讯作者: 崔泳,新疆医科大学第五附属医院骨科,新疆维吾尔自治区乌鲁木齐市 830011
  • 作者简介:王海龙,新疆医科大学第七附属医院骨科,新疆维吾尔自治区乌鲁木齐市 830000
  • 基金资助:
    新疆维吾尔自治区自然科学基金(2017D01C276),项目负责人:崔泳

Molecular network of miR-106b-5p regulating osteoporotic fracture in the elderly

Wang Hailong1, Li Long1, Yilihamu Tuoheti1, Liu Xu2, Nacikedaoerji2, Chen Hongtao2, Cui Yong3   

  1. 1Department of Orthopedics, the Seventh Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China; 2Department of Sports Injury, the Sixth Affiliated Hospital of Xinjiang Medical University, Urumqi 830010, Xinjiang Uygur Autonomous Region, China; 3Department of Orthopedics, the Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang Uygur Autonomous Region, China
  • Received:2020-09-28 Revised:2020-09-30 Accepted:2020-12-09 Online:2022-01-18 Published:2021-10-27
  • Contact: Cui Yong, Department of Orthopedics, the Fifth Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang Uygur Autonomous Region, China
  • About author:Wang Hailong, Department of Orthopedics, the Seventh Affiliated Hospital of Xinjiang Medical University, Urumqi 830000, Xinjiang Uygur Autonomous Region, China
  • Supported by:
    the Natural Science Foundation of Xinjiang Uygur Autonomous Region, No. 2017D01C276 (to CY)

摘要:

文题释义:
老年骨质疏松性骨骨质疏松症是最常见的全身性和代谢性骨骼疾病,骨质疏松性骨折是继发于骨质疏松症、低能量暴力导致的骨折。伴随中国进入老年社会,骨质疏松性骨折发病率逐年快速升高,逐渐成为骨质疏松症患者的首发症状和就诊原因。
MicroRNAs:MicroRNAs在多种生物功能中的关键调节作用是一个成熟的概念,其与多种生理和病理条件的关系也在推动MicroRNAs作为生物标志物的临床应用。MicroRNAs的识别应该是骨质疏松性骨折的诊断学和治疗学中向前迈出的重要一步。新的生物标记物对于改善骨质疏松性骨折患者的治疗是可取的。
背景:骨质疏松性骨折是与年龄有关的疾病,由于人口老龄化,其发病率和患病率不断上升。
目的:鉴定miRNA与老年骨质疏松性骨折有关。
方法:通过limma包分析GSE93883中骨质疏松性骨折相关的差异表达miRNA;通过RAID数据库预测差异表达miRNA的靶标基因,并通过PPI(蛋白质-蛋白质相互作用)网络识别关键miRNA及靶标基因;富集分析识别靶标基因参与的生物功能和信号通路。最后,收集5例老年骨质疏松性骨折和5例老年非骨质疏松性骨折患者的骨组织,利用qPCR和Western blot验证关键miRNA及信号通路。
结果与结论:①共获得21个骨质疏松性骨折相关的差异表达miRNA并预测得到530个靶标基因;通过PPI网络鉴定miR-106b-5p为关键调控基因,其靶标基因主要与MAPK活性的激活等生物功能以及PI3K-Akt和转化生长因子β信号通路相关;②qPCR结果验证了miR-106b-5p在老年骨质疏松性骨折骨组织中的表达较对照骨组织显著下调(P < 0.05);Western blot结果显示PI3K-Akt和转化生长因子β信号通路在老年骨质疏松性骨折中被激活;③提示:miRNA参与老年骨质疏松性骨折,并与PI3K-Akt和转化生长因子β信号通路相关。miR-106b-5p可能抑制骨质疏松性骨折的发生,并成为潜在的标志物和治疗靶标。

https://orcid.org/0000-0001-5670-4718 (崔泳) 

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

关键词: 骨质疏松性骨折, miR-106b-5p, PI3K-Akt, 转化生长因子β, 差异表达

Abstract: BACKGROUND: Osteoporotic fractures are age-related diseases, with increasing incidence and prevalence due to the aging population. 
OBJECTIVE: To identify whether miRNA is associated with osteoporotic fracture. 
METHODS: The differential expression of miRNA (DEM) related to osteoporotic fracture in GSE93883 was analyzed by limma package. The target genes of differentially expressed miRNA were predicted by RAID database, and the key miRNAs and target genes were identified by protein-protein interaction network. Enrichment analysis identified the biological functions and signaling pathways involved in target genes. Finally, qPCR and western blot were used to verify the key miRNAs and signal pathways in bone tissue of five elderly patients with osteoporotic fractures and five elderly patients with non-osteoporotic fractures. 
RESULTS AND CONCLUSION: A total of 21 differentially expressed miRNAs related to osteoporotic fracture were obtained and 530 target genes were predicted. MiR-106b-5p was identified as a key regulatory gene by protein-protein interaction network. The target genes were mainly related to the activation of MAPK activity, PI3K-Akt signaling pathway and transforming growth factor β signaling pathway. In addition, qPCR results confirmed significant downregulation of miR-106b-5p in elderly osteoporotic fracture (P < 0.05). Western blot results showed that PI3K-Akt and transforming growth factor β signaling pathways were significantly activated in elderly osteoporotic fractures. Therefore, miRNA is involved in elderly osteoporotic fracture and is associated with PI3K-Akt and transforming growth factor βsignaling pathways. MiR-106b-5p may inhibit the occurrence of osteoporotic fractures and become a potential marker and therapeutic target.

Key words: osteoporotic fracture, miR-106b-5p, PI3K-Akt, transforming growth factor, differential expression

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