CN108841972A - 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用 - Google Patents

一种用于诊断脑梗塞的肠道菌群试剂盒及其应用 Download PDF

Info

Publication number
CN108841972A
CN108841972A CN201810607301.9A CN201810607301A CN108841972A CN 108841972 A CN108841972 A CN 108841972A CN 201810607301 A CN201810607301 A CN 201810607301A CN 108841972 A CN108841972 A CN 108841972A
Authority
CN
China
Prior art keywords
cerebral infarction
reagent
relative abundance
intestinal flora
kit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810607301.9A
Other languages
English (en)
Inventor
朱彧
岳伟
相蕾
阚鹏程
程乾胜
杨萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Huanhu Hospital (tianjin Department Of Neurosurgery Research Institute Tianjin Brain Department Central Hospital)
Original Assignee
Tianjin Huanhu Hospital (tianjin Department Of Neurosurgery Research Institute Tianjin Brain Department Central Hospital)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Huanhu Hospital (tianjin Department Of Neurosurgery Research Institute Tianjin Brain Department Central Hospital) filed Critical Tianjin Huanhu Hospital (tianjin Department Of Neurosurgery Research Institute Tianjin Brain Department Central Hospital)
Priority to CN201810607301.9A priority Critical patent/CN108841972A/zh
Publication of CN108841972A publication Critical patent/CN108841972A/zh
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6876Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
    • C12Q1/6888Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms
    • C12Q1/689Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for bacteria
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
    • C12Q1/00Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6869Methods for sequencing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

本发明涉及临床医疗领域,尤其涉及一种用于诊断脑梗塞的肠道菌群试剂盒及其应用:第一试剂为基因序列为5’‑AGAGTTTGATCATGGCTC‑3’和5’‑CCGTCAATTCCTTTGAGTTT‑3’的水溶引物;第二试剂为pGEM‑T easy载体质粒,通过对代谢标本的PCR扩增,载体质粒pGEM‑T easy及转入DH5α感受态细胞,通过探索脑梗塞患者肠道菌群结构,可为其诊断提供新依据,并为预防提供可能的指征,具有较大的社会意义和经济效益。

Description

一种用于诊断脑梗塞的肠道菌群试剂盒及其应用
技术领域
本发明涉及临床医疗领域,尤其涉及一种用于诊断脑梗塞的肠道菌群试剂盒及其应用。
背景技术
脑梗塞又称急性缺血性脑卒中(Cerebral Ischemia,CI),是老年人中比较常见的疾病,严重的影响患者的生存质量。近年来,由于个人生活***得到了很大提高,但大部分患者的治疗效果仍不理想,死亡率与致残率均较高、预后较差。因此,探索脑梗死发病机制并预防被认为是控制脑梗死最经济有效的方法。
在过去的几年内,复杂的肠道微生物生态***已经被广泛的研究。我们认为,饮食结构会影响肠道菌群,反之,肠道菌群结构的改变也会影响人体代谢,而代谢的改变已经被认为是脑梗死的潜在原因之一。目前尚未存在一种通过代谢产物诊断脑梗塞的肠道菌群试剂盒。
发明内容
本发明所要解决的技术问题是克服现有技术中存在的不足,提供一种用于诊断脑梗塞的肠道菌群试剂盒及其应用。
1.一种用于诊断脑梗塞的肠道菌群试剂盒,其特征在于,包括依次设置的如下试剂:
第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物;
第二试剂为pGEM-T easy载体质粒。
2.一种用于诊断脑梗塞的肠道菌群试剂盒应用,其特征在于:
a.将粪便标本的基因组DNA为模板,加入第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物中,以High-Fidelity PCR Master Mix with GC Buffer和高效高保真酶进行PCR扩增;
b.将PCR产物加入第二试剂载体质粒pGEM-T easy,使其连接,转染;
c.将连接,转染后产物,转入DH5α感受态细胞,并进行测序,测序结果使用GenBank的BLAST和RDP数据库进行比对,得到各微生物相对丰度,进行分析。
本发明的有益效果是:
通过对代谢标本的PCR扩增,载体质粒pGEM-T easy及转入DH5α感受态细胞,分析各微生物相对丰度,并且通过探索脑梗塞患者肠道菌群结构,发现脑梗塞患者与健康志愿者肠道菌群结构相似度较低,脑缺血与健康组肠道菌群结构相似度较高,可能与脑梗塞进程有关,并为脑梗塞患者的诊断与分层以及发病机制提供新的依据。通过寻找脑梗塞患者的特征性肠道菌群,可为其诊断提供新依据,并为预防提供可能的指征,具有较大的社会意义和经济效益。
具体实施方式
为了使本技术领域的技术人员更好地理解本发明的技术方案,下面结合最佳实施例对本发明作进一步的详细说明。
所示,本发明一种用于诊断脑梗塞的肠道菌群试剂盒,其特征在于,包括依次设置的如下试剂:
第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物;
第二试剂为pGEM-T easy载体质粒。
一种用于诊断脑梗塞的肠道菌群试剂盒应用,其特征在于:
a.将粪便标本的基因组DNA为模板,加入第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物中,以High-Fidelity PCR Master Mix with GC Buffer和高效高保真酶进行PCR扩增;其中将粪便标本通过粪便基因组提取试剂盒按照试剂盒说明书方法提取总RNA。利用琼脂糖凝胶电泳检测DNA的纯度和浓度,取适量的样品于离心管中,使用无菌水稀释样品至1ng/μl,并以稀释后的基因组DNA作为模板。
b.将PCR产物加入第二试剂载体质粒pGEM-T easy,使其连接,转染;
c.将连接,转染后产物,转入DH5α感受态细胞,并进行测序,测序结果使用GenBank的BLAST和RDP数据库进行比对,得到各微生物相对丰度,进行分析。
结果应用SPSS1.0软件进行数据分析组间分析采用Tukey和wilcox秩和检验分析组间物种Beta多样性差异是否显著,以P<0.05判定差异具有统计学意义。用Qiime软件(Version 1.7.0)计算Unifrac距离、构建UPGMA样品聚类树。使用R软件(Version 2.15.3)绘制PCoA图,PCoA分析使用R软件的WGCNA,stats和ggplot2软件包。使用R软件进行Beta多样性指数组间差异分析。
根据所有健康志愿者、脑缺血和脑梗死患者粪便样品在门、纲、目、科和属的物种注释及丰度信息,选取丰度排名前35位的门、纲、目、科和属的物种进行聚类,可发现聚集较多或含量较低的微生物种类
根据物种注释结果和OTUs的丰度信息,通过主坐标分析(PCoA,Principal Co-ordinates Analysis)对各组菌群结构特征进行分析,从结果中可看出,健康志愿者和脑梗死患者组肠道菌群结构之间存在显著不同,而各组中样品菌群结构相似,脑缺血组和健康组相比未见显著变化。
其中:
纲:gammaproteobacteria相对丰度高于23%;
科:enterobacteriaceae相对丰度高于22%;
目:enterobacteriales相对丰度高于22%;
属:escherichia_shigella:相对丰度高于20%可判断粪便样本与脑梗死患者有较大相关性。
通过对代谢标本的PCR扩增,载体质粒pGEM-T easy及转入DH5α感受态细胞,分析各微生物相对丰度,并且通过探索脑梗塞患者肠道菌群结构,发现脑梗塞患者与健康志愿者肠道菌群结构相似度较低,脑缺血与健康组肠道菌群结构相似度较高,可能与脑梗塞进程有关,并为脑梗塞患者的诊断与分层以及发病机制提供新的依据。通过寻找脑梗塞患者的特征性肠道菌群,可为其诊断提供新依据,并为预防提供可能的指征,具有较大的社会意义和经济效益。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。

Claims (2)

1.一种用于诊断脑梗塞的肠道菌群试剂盒,其特征在于,包括依次设置的如下试剂:
第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物;
第二试剂为pGEM-T easy载体质粒。
2.一种用于诊断脑梗塞的肠道菌群试剂盒应用,其特征在于:
a.将粪便标本的基因组DNA为模板,加入第一试剂为基因序列为5’-AGAGTTTGATCATGGCTC-3’和5’-CCGTCAATTCCTTTGAGTTT-3’的水溶引物中,以High-Fidelity PCR Master Mix with GC Buffer和高效高保真酶进行PCR扩增;
b.将PCR产物加入第二试剂载体质粒pGEM-T easy,使其连接,转染;
c.将连接,转染后产物,转入DH5α感受态细胞,并进行测序,测序结果使用GenBank的BLAST和RDP数据库进行比对,得到各微生物相对丰度,进行分析。
d.纲:gammaproteobacteria相对丰度高于23%;
科:enterobacteriaceae相对丰度高于22%;
目:enterobacteriales相对丰度高于22%;
属:escherichia_shigella:相对丰度高于20%可判断粪便样本与脑梗死患者有相关性。
CN201810607301.9A 2018-06-13 2018-06-13 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用 Pending CN108841972A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810607301.9A CN108841972A (zh) 2018-06-13 2018-06-13 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810607301.9A CN108841972A (zh) 2018-06-13 2018-06-13 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用

Publications (1)

Publication Number Publication Date
CN108841972A true CN108841972A (zh) 2018-11-20

Family

ID=64211030

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810607301.9A Pending CN108841972A (zh) 2018-06-13 2018-06-13 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用

Country Status (1)

Country Link
CN (1) CN108841972A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108754002A (zh) * 2018-06-13 2018-11-06 天津市环湖医院(天津市神经外科研究所 天津市脑系科中心医院) 一种用于诊断冠心病的肠道菌群试剂盒及其应用
CN112553358A (zh) * 2020-09-19 2021-03-26 河北医科大学第二医院 微生物菌群在脑卒中中的应用
CN112899340A (zh) * 2021-03-15 2021-06-04 首都医科大学附属北京胸科医院 一种辅助诊断结核性脑膜炎的试剂

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105046094A (zh) * 2015-08-26 2015-11-11 深圳谱元科技有限公司 肠道菌群的检测***及其方法和动态式数据库
CN108754002A (zh) * 2018-06-13 2018-11-06 天津市环湖医院(天津市神经外科研究所 天津市脑系科中心医院) 一种用于诊断冠心病的肠道菌群试剂盒及其应用

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105046094A (zh) * 2015-08-26 2015-11-11 深圳谱元科技有限公司 肠道菌群的检测***及其方法和动态式数据库
CN108754002A (zh) * 2018-06-13 2018-11-06 天津市环湖医院(天津市神经外科研究所 天津市脑系科中心医院) 一种用于诊断冠心病的肠道菌群试剂盒及其应用

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
游超等: "脑梗死患者肠道菌群紊乱与恢复研究", 《中国神经精神疾病杂志》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108754002A (zh) * 2018-06-13 2018-11-06 天津市环湖医院(天津市神经外科研究所 天津市脑系科中心医院) 一种用于诊断冠心病的肠道菌群试剂盒及其应用
CN112553358A (zh) * 2020-09-19 2021-03-26 河北医科大学第二医院 微生物菌群在脑卒中中的应用
CN112899340A (zh) * 2021-03-15 2021-06-04 首都医科大学附属北京胸科医院 一种辅助诊断结核性脑膜炎的试剂
CN112899340B (zh) * 2021-03-15 2022-09-27 首都医科大学附属北京胸科医院 一种辅助诊断结核性脑膜炎的试剂

Similar Documents

Publication Publication Date Title
Gobert et al. Droplet digital PCR improves absolute quantification of viable lactic acid bacteria in faecal samples
JP5763919B2 (ja) 微生物集団の分析方法
Myer et al. Microbial community profiles of the colon from steers differing in feed efficiency
Srinivasan et al. The human vaginal bacterial biota and bacterial vaginosis
Gschwind et al. Evidence for contamination as the origin for bacteria found in human placenta rather than a microbiota
Torfason et al. Polymerase chain reaction for laboratory diagnosis of orf virus infections
CN108841972A (zh) 一种用于诊断脑梗塞的肠道菌群试剂盒及其应用
de O Toledo et al. Impact of Trypanosoma cruzi clonal evolution on its biological properties in mice
CN105593372A (zh) 基于皮肤菌群的分析的定制皮肤护理品和个人护理品
Mottawea et al. The mucosal–luminal interface: an ideal sample to study the mucosa-associated microbiota and the intestinal microbial biogeography
Caldas et al. Parasitaemia and parasitic load are limited targets of the aetiological treatment to control the progression of cardiac fibrosis and chronic cardiomyopathy in Trypanosoma cruzi-infected dogs
Pavić et al. Non-destructive method for detecting Aphanomyces astaci, the causative agent of crayfish plague, on the individual level
Schellenberg et al. Selection, phenotyping and identification of acid and hydrogen peroxide producing bacteria from vaginal samples of Canadian and East African women
CN112522378A (zh) 一种检测mcr基因的试剂盒、检测方法及其应用
Lovett et al. Cervicovaginal microbiota predicts neisseria gonorrhoeae clinical presentation
Belanger et al. Inference of population structure and patterns of gene flow in canine heartworm (Dirofilaria immitis)
Zhao et al. Serological investigation and genotyping of Mycobacterium avium subsp. paratuberculosis in sheep and goats in Inner Mongolia, China
CN108754002A (zh) 一种用于诊断冠心病的肠道菌群试剂盒及其应用
Jabbar et al. Use of a molecular approach for the definitive diagnosis of proliferative larval mesocestoidiasis in a cat
Liang et al. The interplay between the gut microbiota and metabolism during the third trimester of pregnancy
Amoroso et al. Genetic characterization of ovine herpesvirus 2 strains involved in water buffaloes malignant catarrhal fever outbreaks in Southern Italy
CN113186311A (zh) ***微生物在慢性盆腔痛综合征鉴别诊断中的应用
CN112899339A (zh) 以金色链霉菌作为检测、诊断高血压的标志物制备相应检测工具的应用
Dale et al. Enhancement of wildlife disease surveillance using multiplex quantitative PCR: development of qPCR assays for major pathogens in UK squirrel populations
Nenoff et al. Trichophyton mentagrophytes ITS genotype VII from Thailand

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181120

RJ01 Rejection of invention patent application after publication