实用医学杂志 ›› 2021, Vol. 37 ›› Issue (20): 2619-2623.doi: 10.3969/j.issn.1006⁃5725.2021.20.010

• 临床研究 • 上一篇    下一篇

基于同位素相对标记与绝对定量技术结合质谱技术的幼年特发性关节炎血清蛋白质组学研究

刘琴1,2 孙红3 余东阳3 胡红兵   

  1. 1 华中科技大学同济学院附属武汉儿童医院1 输血科,3 检验科(武汉 430015); 2 浙江省立同德医院检验科(杭州 310012)

  • 出版日期:2021-10-25 发布日期:2021-10-25
  • 通讯作者: 胡红兵 E⁃mail:whfesx@163.com
  • 基金资助:
    浙江省科学技术厅分析 析测试项目(编号 :2018C37008);武汉市卫生健康科研基金(编号:WX20Z44)

Serum proteomics of juvenile idiopathic arthritis based on iTRAQ combined with mass spectrometry

LIU Qin*,SUN Hong,YU Dongyang,HU Hongbing.   

  1. Department of Blood Transfusion,Wuhan Children′s Hospital Affiliated to Tongji College,Huazhong University of Science and Technology,Wuhan 430015,China;*Department of Clinical Laboratory,Tongde Hospital of Zhejiang Province,Hangzhou 310012,China. 

  • Online:2021-10-25 Published:2021-10-25
  • Contact: HU Hongbing E⁃mail:whfesx@163.com

摘要:

目的 应用同位素相对标记与绝对定量技术(iTRAQ)分析幼年特发性关节炎(JIA)患者与 健康人群的血清差异蛋白。方法 收集 JIA 患者血清 18 例、健康体检者 20 例、类风湿关节炎(RA)患者 44 例,采用 iTRAQ 标记联合纳升液相色谱⁃串联质谱筛选 JIA 患者的差异蛋白,并进行生物信息学分析。 结果 相对于健康体检组,JIA 组共鉴定差异蛋白 106 个,其中 49 个表达上调,57 个表达下调;JIA 组和 RA 组中有 26 个差异蛋白均表达上调,37 个表达下调。通过 GO 富集分析和 KEGG 通路分析,结果表明血 液凝溶系统、免疫系统、脂质代谢与 JIA 的发病机制密切相关。通过 STRING 分析得到研究 JIA 机制的 PPI 网络的关键节点 AHSG、APOH、脂联素等多个候选蛋白。结论 本研究分析了 JIA 患者的血清蛋白质组, JIA 的诊断、JIA 发病机制的探讨提供了实验依据。

关键词: 幼年特发性关节炎,  , 蛋白质组学,  , 同位素相对标记与绝对定量技术,  , 质谱技术

Abstract:

Objective To a analyze serum differential proteins in patients with juvenile idiopathic arthritis (JIA). Methods Serum differential proteins were analyzed in 18 JIA patients(n = 18),and 20 healthy people⁃ population(n = 20)and rheumatoid arthritis patients(n = 44,RA)by iTRAQ combined with nano LC⁃MS/MS. Results Compared with the healthy group,the JIA group identified a total of 106 differential proteins were identi⁃ fied in the JIA group,with 49 up⁃regulated and 57 downregulated. A total of 63 proteins differential expressed in both JIA and RA group,with 26 up ⁃ regulated and 37 down ⁃ regulated. The blood coagulation and fibrinolysis system,immune system and lipid metabolism were closely related to the pathogenesis of JIA. AHSG and other proteins are candidate proteins for studying JIA mechanism as key nodes of protein ⁃ protein interaction network. Conclusions The serum differential proteins of JIA have been obtained successfully by proteomics technology which provides a theoretical basis for exploring the diagnosis and pathogenesis of JIA.

Key words:

 , juvenile idiopathic arthritis, proteomics, iTRAQ, mass spectrometry technology