中国组织工程研究 ›› 2023, Vol. 27 ›› Issue (32): 5168-5172.doi: 10.12307/2023.843

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

has-miR-100-5p靶向含7A的锌指和BTB结构域是绝经后骨质疏松的潜在靶标

麦合木提江·穆海麦提,买买提沙吾提阿吉·买买提,唐军伟,张玉新   

  1. 喀什地区第一人民医院脊柱骨科,新疆维吾尔自治区喀什市  844099
  • 收稿日期:2022-08-10 接受日期:2022-11-18 出版日期:2023-11-18 发布日期:2023-03-23
  • 通讯作者: 张玉新,主任医师,喀什地区第一人民医院脊柱骨科,新疆维吾尔自治区喀什市 844099
  • 作者简介:麦合木提江·穆海麦提,男,1986年生,新疆维吾尔自治区喀什市人,维吾尔族,硕士,主治医师,主要从事骨与关节疾病诊疗研究。
  • 基金资助:
    喀什地区科技计划项目(KS2020008),项目负责人:麦合木提江·穆海麦提

Has-miR-100-5p targeting zinc finger and BTB domain containing 7A is a potential target for postmenopausal osteoporosis

Maihemutijiang · Muhaimaiti, Maimaitishawutiaji · Maimaiti, Tang Junwei, Zhang Yuxin   

  1. Department of Spinal Orthopedics, the First People’s Hospital of Kashgar, Kashgar 844099, Xinjiang Uygur Autonomous Region, China
  • Received:2022-08-10 Accepted:2022-11-18 Online:2023-11-18 Published:2023-03-23
  • Contact: Zhang Yuxin, Chief physician, Department of Spinal Orthopedics, the First People’s Hospital of Kashgar, Kashgar 844099, Xinjiang Uygur Autonomous Region, China
  • About author:Maihemutijiang · Muhaimaiti, Master, Attending physician, Department of Spinal Orthopedics, the First People’s Hospital of Kashgar, Kashgar 844099, Xinjiang Uygur Autonomous Region, China
  • Supported by:
    Kashgar Regional Science and Technology Program Project, No. KS2020008 (to MM)

摘要:


文题释义:
绝经后骨质疏松症:在绝经期妇女中,在临床上骨矿物质密度T评分≤-2.5被判定为绝经后骨质疏松症,增加了患者骨折风险。由于雌激素缺乏和老龄化,绝经后骨质疏松症患者的破骨细胞分化和功能增强,骨吸收远远大于骨形成,骨质疏松症开始出现,增加了骨骼脆弱和骨折的风险。对绝经后骨质疏松分子机制的探讨有望为评估绝经后骨质疏松患者的治疗策略提供新的方案。
MicroRNAs:即miRNAs,是长度为18-24个核苷酸的非编码单链RNA小分子,通过直接结合靶标信使RNA (mRNA)的3’-非翻译区,调控靶标mRNA的表达。miRNAs已经成为控制骨形成和吸收、骨重塑和退化基因的重要调节因子。miRNAs不仅能够调节骨髓间充质干细胞的成骨分化,还与血管生成和骨生成密切相关。越来越多的miRNAs被发现在绝经后骨质疏松中异常表达,可作为潜在治疗靶点或诊断生物标志物。

背景:miRNAs在骨质疏松症的发病机制中起重要作用,因此可以成为重要的治疗靶点。其中,靶向miR-100-5p调控轴促进成骨细胞分化是骨质疏松的潜在治疗靶标。
目的:探讨has-miR-100-5p和has-miR-101-3p在绝经后骨质疏松中的靶向调控作用。
方法:比较GSE56814和GSE56815数据中高骨矿物质密度和低骨矿物质密度之间的差异表达基因,并进行富集分析。预测差异表达基因中has-miR-100-5p和has-miR-101-3p的靶向调控的基因。随后,收集40例绝经后骨质疏松患者和40例健康对照者的外周血样本,采用qRT-PCR法检测has-miR-100-5p和has-miR-101-3p以及靶标基因的差异表达。最后,通过双荧光素酶报告基因检测has-miR-100-5p对靶标基因3’UTR的结合作用。
结果与结论:①富集分析显示,高骨矿物质密度和低骨矿物质密度之间鉴定到81个共同差异表达基因,显著富集于免疫、核因子κB复合物、肿瘤坏死因子信号通路等;②miRTargetbase数据库和miRTarget数据库预测显示,has-miR-100-5p和has-miR-101-3p均靶向调控含7A的锌指和BTB结构域(zinc finger and BTB domain containing,ZBTB7A);③qRT-PCR检测显示,与健康对照组比较,骨质疏松组has-miR-100-5p mRNA表达上调(P < 0.001),has-miR-101-3p和ZBTB7A mRNA表达下调(P < 0.001);双荧光素酶报告系统显示,野生型ZBTB7A-3’UTR共转染has-miR-100-5p后,293T细胞的荧光活性下调;④结果显示,has-miR-100-5p靶向ZBTB7A可能是绝经后骨质疏松症的潜在靶标。
https://orcid.org/0000-0003-4130-007X(麦合木提江·穆海麦提)

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: 绝经后骨质疏松, has-miR-100-5p, has-miR-101-3p, ZBTB7A, 骨矿物质密度

Abstract: BACKGROUND: miRNAs play an important role in the pathogenesis of osteoporosis, which therefore can be important therapeutic targets. Among them, targeting the miR-100-5p regulatory axis to promote osteoblast differentiation is a potential therapeutic target for osteoporosis. 
OBJECTIVE: To explore the targeted regulatory roles of has-miR-100-5p and has-miR-101-3p in postmenopausal osteoporosis. 
METHODS: Differentially expressed genes between high and low bone mineral density in the GSE56814 and GSE56815 datasets were identified and subjected to enrichment analyses. Target genes of has-miR-100-5p and has-miR-101-3p among the differentially expressed genes were predicted. Peripheral blood samples from 40 patients with postmenopausal osteoporosis and 40 healthy controls were selected and qRT-PCR experiments were performed to detect the differential expression of has-miR-100-5p and has-miR-101-3p as well as target genes. Dual luciferase reporter assay was used to measure the targeting effect of miRNAs to the 3'UTR of target genes. 
RESULTS AND CONCLUSION: A total of 81 common differentially expressed genes were identified between high and low bone mineral density, mainly significantly enriched in immunity, nuclear factor-κB compound, and tumor necrosis factor signaling pathway. Has-miR-100-5p and has-miR-101-3p were targeted to regulate zinc finger and BTB domain containing 7A (ZBTB7A) based on miRTargetbase database and miRTarget database predictions. Has-miR-100-5p was up-regulated (P < 0.001) and has-miR-101-3p and ZBTB7A were down-regulated (P < 0.001) in postmenopausal osteoporosis patients compared with the healthy controls. The fluorescence activity of 293T cells was down-regulated after co-transfection of has-miR-100-5p with wild-type ZBTB7A-3’UTR. To conclude, has-miR-100-5p targeting ZBTB7A may be a potential target for postmenopausal osteoporosis.

Key words: postmenopausal osteoporosis, has-miR-100-5p, has-miR-101-3p, ZBTB7A, bone mineral density

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