中国组织工程研究 ›› 2014, Vol. 18 ›› Issue (11): 1694-1699.doi: 10.3969/j.issn.2095-4344.2014.11.009

• 皮肤粘膜组织构建 skin and mucosal tissue construction • 上一篇    下一篇

荧光定量分析人皮肤瘢痕疙瘩组织中miRNA-34s的表达

金玉丹1,郭晓瑞1,黄海华2,卢 玲3,蔡小健1,王绥江2   

  1. 1中山市第二人民医院激光美容整形中心,广东省中山市 528447;2广东医学院附属医院整形外科研究所,广东省湛江市 524001;3赣南医学院第一附属医院整形外科,江西省赣州市 341000
  • 修回日期:2014-02-14 出版日期:2014-03-12 发布日期:2014-03-12
  • 通讯作者: 金玉丹,硕士,主任医师,中山市第二人民医院激光美容整形中心,广东省中山市 528447
  • 作者简介:金玉丹,女,1971年生,黑龙江省牡丹江市人,朝鲜族,1998年广东医学院毕业,硕士,主任医师,主要从事损容性皮肤的激光治疗、病理性瘢痕及整形美容外科的基础及临床研究。 并列第一作者:郭晓瑞,男,1983年生,河北省大名县人,汉族,2011年广东医学院毕业,硕士,医师,主要从事色素损容性皮肤、病理性瘢痕及难愈性创面的基础及临床研究。
  • 基金资助:

    中山市科技计划项目(20122A041)资助

Fluorescent quantitative analysis on the expression of miRNA-34s in human skin keloid tissue

Jin Yu-dan1, Guo Xiao-rui1, Huang Hai-hua2, Lu Ling3, Cai Xiao-jian1, Wang Sui-jiang2   

  1. 1Cosmetic Surgery & Laser Center, Second People’s Hospital of Zhongshan City, Zhongshan 528447, Guangdong Province, China; 2Plastic Surgery Institute, Affiliated Hospital of Guangdong Medical College, Zhanjiang 524001, Guangdong Province, China; 3Department of Plastic Surgery, First Affiliated Hospital of Gannan Medical College, Ganzhou 341000, Jiangxi Province, China
  • Revised:2014-02-14 Online:2014-03-12 Published:2014-03-12
  • Contact: Jin Yu-dan, Cosmetic Surgery & Laser Center, Second People’s Hospital of Zhongshan City, Zhongshan 528447, Guangdong Province, China
  • About author:Jin Yu-dan, Master, Chief physician, Cosmetic Surgery & Laser Center, Second People’s Hospital of Zhongshan City, Zhongshan 528447, Guangdong Province, China Guo Xiao-rui, Master, Physician, Cosmetic Surgery & Laser Center, Second People’s Hospital of Zhongshan City, Zhongshan 528447, Guangdong Province, China Jin Yu-dan and Guo Xiao-rui contributed equally to this work.
  • Supported by:

    grants from Science and Technology Plan of Zhongshan City, No. 20122A041

摘要:

背景:通过分析不同肿瘤组织与正常组织miRNA表达谱的差异,有可能筛选到特异性好、灵敏度高、可作为特定肿瘤分子标志物的miRNA。

目的:采用实时荧光定量RT-PCR检测miRNA-34家族(miRNA-34s:miR-34a/b/c)在瘢痕疙瘩和正常皮肤组织中的差异表达,分析评价microRNA-34s在瘢痕疙瘩形成发展的作用及可能的机制影响。
方法:收集手术切除瘢痕疙瘩组织(10例)和正常皮肤(2例);TRIZOL法提取标本的总RNAs并进行质检,再采用Ambion′s miRNA Isolation Kit从总RNAs中分离microRNA,采用实时荧光定量RT-PCR技术检测miRNA-34s(miR-34a/b/c)在瘢痕疙瘩组织和正常皮肤组织中的表达水平。

结果与结论:miRNA-34s(miRNA-34a/b/c)在瘢痕疙瘩组织中均呈下调表达(P < 0.01)。表明该家族成员参与了瘢痕疙瘩的形成发展,下调表达的miRNA-34s可能导致了瘢痕疙瘩的肿瘤性生长。



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, 组织工程, miRNA-34s, miRNA-34a/b/c, 瘢痕疙瘩, 实时荧光定量RT-PCR

Abstract:

BACKGROUND: Understanding the difference of miRNA-34s expression in normal tissue and tumor tissue will contribute to screen out a miRNA with high sensitivity as the specific tumor molecular marker.

OBJECTIVE: To investigate the differential expression of miRNA-34s (miR-34a/b/c) between normal skin and keloid tissue using real-time fluorescent quantitative PCR, and to evaluate the role and mechanisms of miRNA-34s in keloid formation and development.
METHODS: Ten cases of keloid tissue and two cases of normal skin tissue were collected as specimens. Total RNAs were extracted from keloid and nomal skin tissue by Trizol method, and miRNA-34s were further isolated by Ambion’s miRNA Isolation Kit. Real-time fluorescent quantitative PCR was applied to verify expression levels of microRNA-34s (miR-34a/b/c) in keloid tissue and normal skin tissue.
RESULTS AND CONCLUSION: miRNA-34s (miRNA-34a/b/c) expression was down-regulated in keloid tissue compared with normal skin tissue (P < 0.01). The findings showed that miRNA-34s (miRNA-34a/b/c) are involved in keloid formation and development, and down-regulation of the family member may result in neoplastic growth of keloid.


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: microRNAs, keloid, reverse transcriptase polymerase chain reaction

中图分类号: