[1]邓任堂,许红丽,孔桂兴,等.液相芯片技术快速检测2型糖尿病患者相关降糖药物基因多态性的方法学建立[J].现代检验医学杂志,2021,36(02):6-10.[doi:doi:10.3969/j.issn.1671-7414.2021.02.002]
 DENG Ren-tang,XU Hong-li,KONG Gui-xing,et al.Development of A Liquid Phase Chip Technology for Simultaneous and Rapid Detecting of the Gene Polymorphisms in Medications with Type 2 Diabetes Mellitus[J].Journal of Modern Laboratory Medicine,2021,36(02):6-10.[doi:doi:10.3969/j.issn.1671-7414.2021.02.002]
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液相芯片技术快速检测2型糖尿病患者相关降糖药物基因多态性的方法学建立()
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《现代检验医学杂志》[ISSN:/CN:]

卷:
第36卷
期数:
2021年02期
页码:
6-10
栏目:
论 著
出版日期:
2021-04-30

文章信息/Info

Title:
Development of A Liquid Phase Chip Technology for Simultaneous and Rapid Detecting of the Gene Polymorphisms in Medications with Type 2 Diabetes Mellitus
文章编号:
1671-7414(2021)02-006-06
作者:
邓任堂许红丽孔桂兴
(1.广东省东莞市厚街医院检验科,广东东莞 523945;2.湖南省武冈市人民医院检验科,湖南邵阳 422400)
Author(s):
DENG Ren-tangXU Hong-liKONG Gui-xing et al
(1.Department of Clinical Laboratory,Dongguan Houjie Hospital, Guangdong Dongguan 523945, China;2.Department of Clinical Laboratory,Hunan Wugang People’s Hospital,Hunan Shaoyang 422400,China)
关键词:
液相芯片等位基因特异性引物延伸2型糖尿病单核苷酸多态性
分类号:
R587.1;Q503
DOI:
doi:10.3969/j.issn.1671-7414.2021.02.002
文献标志码:
A
摘要:
目的 建立一种可同时、快速检测2型糖尿病患者降糖药相关药物基因多态性的液相芯片检测系统。方法 根据7个目的基因的rs号,在Genbank中查找其靶位点附近碱基序列(目的基因包括磺脲类受体1,转录因子7类似物2,胰岛素受体底物1,过氧化物酶体增殖物激活受体γ,有机阳离子转运蛋白与多药和有毒化合物排出家族,有机阴离子转运蛋白家族成员1B1等),以PrimerPlex 软件设计等位基因特异性引物,Primer6.0 软件设计含检测位点的PCR引物,通过多重PCR扩增,等位基因特异性引物延伸(ASPE),MagPlex~Tag 微球杂交,液相芯片系统 Luminex 200检测荧光信号,确定基因型,优化反应体系并以5份代表性标本进行方法学评价。收集2019年1月~12月东莞市厚街医院新诊2型糖尿病患者血液样本115例,采用建立的系统检测上述7个靶位点,并随机选取25例与测序结果比较。结果 7个目标基因经PCR扩增,产物电泳成像后清楚可见7条目标条带,无非特异性条带;经优化ASPE杂交条件,选择退火温度55℃,Biotion~dCTP浓度与dCTP浓度的比值为3∶1,37℃孵育45 min时检测效果最佳;临床样本检测结果显示:纯合子荧光强度中位值(median fluorescence intensity,MFI)比率均>0.9或<0.1,杂合子MFI比率在0.4~0.6之间。纯合子MFI比率批内批间CV在0.9%~3.3%和2.1%~4.6%,而杂合子则在2.9%~7.3%和5.2%~11.2%;DNA最低检测限为0.75ng;25例样本的检测结果与测序结果完全一致,准确度100%。结论 该研究成功建立了一种新的液相芯片检测系统,高效便捷,能同时检测7个目的基因型,满足临床的需求。

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备注/Memo

备注/Memo:
基金项目:东莞市社会科技发展局(重点)项目(201750715023442),东莞市社会科技发展局(一般)项目(201950715023454)。
作者简介:邓任堂(1978-),男,本科,副主任技师,主要研究方向:临床微生物与免疫学检验,E-mail:2804787909@qq.com。
更新日期/Last Update: 2021-04-10