CN1271213C - 一种脑膜炎检测芯片及其制备工艺和使用方法 - Google Patents

一种脑膜炎检测芯片及其制备工艺和使用方法 Download PDF

Info

Publication number
CN1271213C
CN1271213C CN 03111451 CN03111451A CN1271213C CN 1271213 C CN1271213 C CN 1271213C CN 03111451 CN03111451 CN 03111451 CN 03111451 A CN03111451 A CN 03111451A CN 1271213 C CN1271213 C CN 1271213C
Authority
CN
China
Prior art keywords
primer sequence
probe
meningitis
primer
chip
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.)
Expired - Fee Related
Application number
CN 03111451
Other languages
English (en)
Other versions
CN1515688A (zh
Inventor
赵雨杰
魏诚佑
何群
侯伟健
马汝海
王绍成
张玉魁
潘忠诚
王天骄
马佳明
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.)
China Medical University
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN 03111451 priority Critical patent/CN1271213C/zh
Publication of CN1515688A publication Critical patent/CN1515688A/zh
Application granted granted Critical
Publication of CN1271213C publication Critical patent/CN1271213C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

本发明涉及医学体外诊断技术,具体地讲是一种基因芯片——脑膜炎检测芯片及其制备工艺和使用方法。它是在玻璃基片上分布有多个不同区域的微阵列,在每个微阵列区域中,分别固定有常见的脑膜炎致病微生物的特异性探针。用相应探针与经扩增并加入荧光标记的致病微生物DNA杂交,经扫描仪扫描芯片,并对杂交信号进行处理分析,获得有关信息。这种芯片能同时检测细菌、病毒、真菌、原虫等多种微生物,具有诊断快速准确、特异性高、信息量大的特点,对临床诊断和流行病学筛查都有很大帮助。

Description

一种脑膜炎检测芯片及其制备工艺和使用方法
一、技术领域:本发明涉及医学体外诊断技术,具体的讲是一种脑膜炎检测基因芯片及其制备工艺和使用方法。
二、背景技术:脑膜炎是常见的神经系统疾病,其致病微生物种类多种多样。仅常见的致病菌即近十种,治疗不当会危及生命,因而快速准确的诊断对及时恰当的处置起着至关重要的作用。而不同种属、甚至不同亚型的细菌致病力与耐药性均不同,给临床治疗带来很大困难。病毒性脑膜炎虽然在临床症状上与之非常相近,却是一种自限性疾病,抗生素治疗几乎无效。是细菌性还是病毒性脑膜炎,临床医生几乎不可能做出肯定的诊断,屡屡处于两难的境地。因此,患者必须住院观察,予静脉抗生素治疗,直到脑脊液细菌培养结果出来后再行处置。这个过程通常要花费48到72小时。据统计,90%以上的脑膜炎都是由病毒引起的。这段时间不仅造成医疗护理人力物力的巨大浪费,还可能导致误治。而且少数病例是由真菌等其他微生物所致,更增加了临床诊断的难度。
传统检测脑脊液的方法包括:革兰氏染色,基于抗体的免疫学检测和细菌培养等。镜检简单快速,却需要有相当数量的细菌。抗体检测虽然速度较快,但一次只能检测一种抗体,效率低。细菌培养将灵敏度提高了,培养时间却成为不可逾越的障碍。而且抗生素的应用还可以造成革兰氏染色及细菌培养的假阴性结果。发明一种高效高灵敏度的脑脊液检测方法成为必须。
三、发明内容;
1、发明目的:本发明提供一种脑膜炎检测芯片及其制备工艺和使用方法,其目的在于解决脑膜炎检测中存在的效率低、诊断不准确等方面存在的问题。
2、技术方案:本发明是通过以下技术方案来加以实现的:
一种脑膜炎检测芯片及其制备工艺和使用方法,其特征在于:该芯片是玻璃基片上分布有不同区域的微阵列,在每个微阵列区域中分别固定有脑膜炎致病微生物的特异性探针;
探针的大小为15-30个碱基,设计61个探针,所设计的探针序列见后文;
本发明制备工艺按如下步骤进行:
(1)设计脑膜炎特异性探针和引物;
从数据库中获得可靠的脑膜炎致病微生物基因序列,根据所述的探针序列设计探针;
从数据库中获得可靠的脑膜炎致病微生物基因序列,设计如下PCR引物,针对病毒病原微生物基因片段进行扩增;扩增引物序列见后文;
(2)、合成探针;
(3)、制备芯片;
用去离子水将合成的探针溶解,得到浓度为200mmol/l的溶液,在玻璃基片上进行点样;点好的芯片于37℃下水化3天,然后在80℃下烘干2小时;以探针缓冲液及蒸馏水冲洗玻片,吹干;以封闭液封闭玻片,之后洗涤3次,吹干备用。
在合成探针的步骤中,探针5’端加氨基修饰。
点样中点的大小为50-100微米。
探针缓冲液为1xSSC,0.1%SDS;封闭液为1%BSA,PH=7 0.01mol/l PB。
对上述检测芯片的使用方法按如下步骤进行:
(1).处理样品;
取准备好的病人脑脊液少量,分别提取DNA,备用;如需长时间放置,在-20℃下冻存;
(2).PCR扩增
在反应管中加入扩增反应混合物——Taq酶,相应的处理好的样品和引物,足量的dNTP以及荧光素Cy3标记的dUTP;扩增条件如下:
94℃  5min
94℃  30sec
56℃  30sec
72℃  1min
72℃  5min
以上步骤为30个循环,
(3).杂交;
PCR产物与芯片上的探针在60℃下杂交2小时,杂交缓冲液(10xSSC,0.1%SDS)与PCR产物的比例为1∶1,洗涤3次;
(4).检测;
用扫描仪扫描杂交后的芯片,得到图像并输出结果;
(5).数据分析
(5).数据分析
将芯片分析结果输出。
3、优点及效果:
基因芯片是近几年在高科技领域内出现的最具时代特征的重大科技进展之一,它是物理学、化学、微电子学、精密机械与生命科学交叉综合的高科技。基因芯片集成的不是电子元器件,采用在位组合化学、微电子芯片光刻技术,或者利用其它方法将大量特定序列的DNA探针有序地固定在基片上,在与待测样品DNA作用后,即可检测到大量的生命信息,包括基因识别、基因突变和基因表达等。利用基因芯片可以快速、高效地获取或处理大量的生命信息,它对生命科学研究、医学诊断、新药筛选和司法鉴定等具有革命性的推动作用。
本发明提供了一种脑膜炎检测芯片,将已经合成的特异性探针矩阵固定于基片表面,通过芯片与待测样本DNA杂交,即可获取大量与脑膜炎致病微生物相关的生物学信息。利用这种芯片,通过一次操作就可以同时完成脑膜炎致病微生物的检测。该基因芯片具有诊断准确、特异性高、信息量大的特点。如果将此芯片成功应用于临床,必将带来极大的经济效益和社会效益。
四、具体实施方式:本发明实施的具体步骤是:
1.设计脑膜炎特异性探针和引物
从NCBI等数据库获得可靠的脑膜炎致病微生物基因序列等,利用生物信息学软件设计引物和特异性的探针。针对病毒病原微生物(病毒、细菌、真菌、原虫)基因片段进行扩增。设计61个探针鉴别病毒(hhv1、hhv2、hhv3、hhv4、hhv5、hhv6、hhv7、coxsackievirus a9、coxsackievirus b4、coxsackievirus b5、echovirus22、poliovirus、la cross、St.louis、venezuelanequine、west nile、western equine、Japanese B、central european、russian、Powassan、Dengue、Mumps、Measles、Adenovirus、LCMV、HIV-l、HIV-2、inluenza-a、inluenza-b、htlv-1、htlv-2、togavirus、Rickettsia typhi、Parvovirus B19);细菌:(Tropheryma whippelii、Borrelia afzelii、Bartonella henselae、Brucella abortus、Brucella canis、Brucella melitensis、Brucella suis、Borreliaburgdorferi、Escherichia coli、Borrelia garinii、Streptococcus pneumoniae R6、Haemophilusinfluenzae Rd、Leptospira interrogans、Bacillus subtilis、Streptococcus milleri、Mycobacteriumtuberculosis、Mycoplasma PG50、Neisseria meningitidis、Staphylococcus aureus、Streptococcus pneumoniae);真菌(Cryptococcus);原虫(Acanthamoeba sp.、Naegleriajamiesoni、Toxoplasma gondii)病原微生物。
2.合成探针
可以由上海生物工程有限公司合成。探针5’端加氨基修饰。
3.制备芯片
根据需要设定点样程序,矩阵分布根据探针杂交动力学要求及点样方便与否安排。用去离子水将合成的探针溶解,浓度为200mmol/l。使用CEL公司生产的玻璃基片,用BioRobotics公司的点样仪按预先设定好的程序进行点样。按照不同要求从几十点到上千点,点的大小为50-100微米左右,点间距依点的数量而定。点好的芯片于37℃下水化3天,然后在80℃下烘干2小时。以探针缓冲液(1xSSC,0.1%SDS)及蒸馏水冲洗玻片,吹干。以封闭液(1%BSA,PH=70.01mol/l PB)封闭玻片,之后洗涤3次。吹干备用。
上述脑膜炎检测芯片的应用方法包括以下步骤:
(1).处理样品
取病人脑脊液少量,分别用提取病毒、细菌、支原体、螺旋体等DNA的方法提取DNA,备用。如需长时间放置,在-20℃下冻存。
(2).PCR扩增
在反应管中加入扩增反应混合物,Taq酶,相应的处理好的样品和引物,足量的dNTP以及荧光素(Cy3)标记的dUTP。扩增条件如下:
94℃  5min
94℃  30sec
56℃  30sec    30个循环
72℃  1min
72℃  5min
(3).杂交
PCR产物与芯片上的探针在60℃下杂交2小时,杂交缓冲液(10xSSC,0.1%SDS)与PCR产物的比例为1∶1。洗涤3次。
(4).检测
用Genomic Solutions公司的扫描仪扫描杂交后的芯片,得到图像并输出结果。
(5).数据分析
Genomic Solutions公司的扫描仪的配套分析软件将芯片分析结果输出。
以下结合具体的实施例对发明的技术方案作进一步的说明:
实施例:
设计脑膜炎引物及特异性探针61个。探针的大小为15-30个碱基。由上海生物工程有限公司合成。探针5’端加氨基修饰。
制备基因芯片:
用CEL公司生产的玻璃基片,使用BioRobotics公司的点样仪按预先设定好的程序进行点样。用去离子水将合成的探针溶解,浓度为200mmol/l。点好的芯片于37℃下水化3天,然后在80℃下烘干2小时。以探针缓冲液(1xSSC,0.1%SDS)及蒸馏水冲洗玻片,吹干。以封闭液(1%BSA,PH=7 0.01mol/l PB)封闭玻片,之后洗涤3次。吹干备用。
处理样品:取临床检测为患者的脑脊液少量,根据监测项目的要求等分,分别按以下方法处理:
(1)100℃水浴10分钟,骤然冷却至0℃,13000G离心5分钟,取上清备用。
(2)用溶菌酶溶解,氯仿抽提,乙醇沉淀法提取DNA,备用。
PCR扩增:以真菌性脑膜炎为例采用的引物序列分别是:F396:5`-TGAGAAACGGCTACCACATC C;R572:CGTTCAGACC ACGGTCGTC-5`。
反应总体积为20μl,在反应管中加入10X buffer 2μl,Taq酶0.2μl,相应的处理好的样品0.8μl和上下游引物各2μl,dNTP0.8μl以及Cy3标记的dUTP1.2μl,其余的用H2O。扩增条件如下:
94℃  5min
94℃  30sec
56℃  40sec
72℃  1min
72℃  5min
以上步骤为30个循环;
杂交:PCR产物与芯片上的探针在60℃下杂交2小时,杂交缓冲液(10xSSC,0.1%SDS)与PCR产物的比例为1∶1。洗涤3次。
检测:用Genomic Solutions公司的扫描仪扫描杂交后的芯片,得到图像并输出结果。数据分析:Genomic Solutions公司的扫描仪的配套分析软件将芯片结果输出。与临床检验结果比较,符合率100%。
              脑膜炎检测芯片引物及探针序列表
                 脑膜炎诊断基因芯片探针表
meningoencephalitis
virus               probe                       SEQUENCE
hhv1                hhv1          F3455         5`-ACGGCGTCGC CCTGAA
hhv2                hhv2          F3455         5`-GGGGCGTTCC GCTCAA
hhv3                hhv3          F3262         5`-ACTTATCCC CACGAAAGTC G
hhv5                hhv5          F1644         5`-TCTGTTCAACACCATTAATTTTCACT
hhv6                hhv6                        5`-CACAAACA TCCTTTATTA ATCCCG
hhv7                hhv7                        5`-CACAAAGA GTCTTCATTA AGCCG
coxsackievirus      a9            F114          5`-AGCAAT GCACCTCTGG TCAAT
a9,b4,b5          b4                          5`-AGCAAAGAAACAATGGTCAATTACT
                    b5                          5`-AGTTAC ACACACTGAT CAACAGTGG
                    enterovirus71 F116          5`-GCAAC GCAAACCAGA TCAATAG
echovirus22                       F111          5`-CCCATAGTAA CCAACACCTA AGACA
poliovirus                        F114          ACAAAAC CAAGTTCAAT AGAAGGG
la cross                          F197          AGCA TGATCAAAAC AGAGG
St.louis                          F219          5`-CT GCTACGAGGC AACCTTGG
venezuelan equine                 F128          5`-CGC TCGATGGCTA ACCTGA
west nile                         F280          5`-G CAGACAAGGA GTGGTGGACA
western equine      western       F800          5`-AAGACACGACCAGCAGCACC
                    eastern                     5`-AAAACACGTCTAGTAGTACCATCACAA
                    venezuelan                  5`-ACACGACCGGCCGCTC
Japanese B                        F164          5`-GAGGAGG AAATGAAGGC TCAAT
central european                  F107          5`-TGGA GCTCCGCTGT GGC
russian             Russian       F272          5`-AGCAGCTCT TACGCTACAT GGA
Powassan                          F332          5`-CGTATGTTG TCAAGGTTGA GCC
Dengue                            F218          5`-GGA CCCATGAAAT TGGTGATG
Mumps                             F334          5`-GCTGTGGG AGTAATGAAT CAAGTT
Measles                           F196          5`-AATGT GGAAGTTGGG AATGTCA
Adenovirus                        F141          5`-GGGGATGTCA AATTTTAGCT CC
LCMV                              F385          5`-TGGGGA AATCTGGACT GGAG
                                                5`-TGGGGA GCTCTGGACT GGAG
HIV-1                             F144          5`-AGGGATG GAAAGGATCA CCG
HIV-2                             F676          5`-GCTCCACGCTTGCTTGCTTA
inluenza-a                        F124          5`-ACGGTCAACAGGACACATCAAT
inluenza-b                        F1567         5`-TGATGAATGACTCAATGGCTAAGA
htlv-1                                          5`-AGTTTGTTCGTGGACCCTCG
htlv-2                            F183          5`-AAAGGATGCC GAGTCTATAA AAGC
togavirus                         F3321         5`-TTTTCGTGGCACTTTGGCA
Rickettsia typhi                  F194          5`-GTGCCGAAAG AATTGGTTGA AT
                                                        5`-CACGGCTTTCATTAACCAACTT
Rabies virus                                F257        5`-TGCAGTCTCC ACCTCAGCAA
parvovirus B19                              F795        5`-TTTGCCAGGA ATGACTACAA AAG
Bacteria                      probe                     SEQUENCE
Tropheryma whippelii          Troph         F596        5`-CGGAC CTGCGGTGGG TA
Borrelia afzelii              Afzelii       F596        5`-TGTGGAGCTA TGTTGGAAAC TATATG
Bartonella henselae           Barto         F596        5`-CTGGAACTGC CTTTGATACT GG
Brucella abortus              B-abor        F596        5`-CCGGAACTGC CTTTGATACT G
Brucella canis                B-canis       F596        5`-CCGGAACTGC CTTTGATACT G
Brucella melitensis           B-meli        F596        5`-CCGGAACTGC CTTTGATACT G
Brucella suis                 B-suis        F596        5`-CCGGAACTGC CTTTGATACT G
Borrelia burgdorferi          berg          F596        5`-CTGTGGAGCT ATGTTGGAAA CTATG
Escherichia coli              esch          F596        5`-TGGGAACTGC ATCTGATACT GG
Borrelia garinii              garinii       F596        5`-CTGTGGAACT ATGTTGGAAA CTATATGT
Streptococcus pneumoniae R6   group b       F596        5`-CCATAGTAGG CTTTGGAAAC TGTT
Haemophilus influenzae Rd     hae           F596        5`-AGGAATTGCA TTTCAGACTG GG
Leptospira interrogans        lep           F596        5`-CGCAGCCTGC ACTTGAAAC
Bacillus subtilis             list          F596        5`-GGGGAGGGTC ATTGGAAACT
Streptococcus milleri         milleri       F596        5`-ATTGTAGGCT TTGGAAACTG TTTAA
Mycobacterium tuberculosis    mycoga        F596        5`-GAGCGTGCGG GCGATA
Mycoplasma PG50               mycopla       F596        5`-CAGTTGTATG CATTGGAAAC TATTAAT
Neisseria
meningitidis                  nei           F596        5`-CGGGAACTGC GTTCTGAACT
Staphylococcus aureus         sta           F596        5`-GTGGAGGGTC ATTGGAAACT G
Streptococcus
pneumoniae                    strp-pneu     F596        5`-CCATAGTAGG CTTTGGAAAC TGTT
Fungi
                              probe                     Sequence
Cryptococcus                                F436        5`-CAAATTACCC AATCCCGACA C
Protozoa                      probe                     SEQUENCE
                              acanthamoeb
Acanthamoeba sp.              a             F1759       5`-CCGTGCTTCT TAGAGGGACTG
Naegleria jamiesoni           naegleria     F1759       5`TTTGTCAGCT TCTTAAAGGG ACTT
Toxoplasma gondii             Toxoplasma    F1759       5`-CACTTCTTAG AGGGACTTTG CGT
               脑膜炎诊断基因芯片引物表
              meningoencephalitis
                    virus
                primer             SEQUENCE
hhv1                      F3394    5`-TCCAAGCCCC GCAAGC
hhv2                      R3686    CTTTGAGCTG CTTACAACGT ATC-5`
hhv3            primer             SEQUENCE
                          F3125    5`-TCGGGA CATGCCAAGT AAAGT
                          R3335    CCGAC CTTGTTGCTT TTAGG
hhv4            primer             SEQUENCE
                          F2469    5`-C CGTAGCCCAT AATGGAACG
                          R2939    GCGTGTAG GTGGTGGGG-5`
hhv5            primer             SEQUENCE
                          F1502    5`-TCAACACTA TGGCCGAGCT TT
                          R1865    CAGTGG ATTGCGGCGT TAGTA-5`
hhv6            primer             SEQUENCE
hhv7                      F2879    5`-GA TAAAACATAC GCGGTTCAGA GT
                          R2954    GTAGTACG TAATATGGCG  CTC-5`
ENTEROVIRUS
coxsackievirus  primer             SEQUENCE
a9,b4,b5                F3       5`-TAAAACAG CCTGTGGGTT GTTC
                                   5`-TAAAACAG CCTGTGGGTT GTAC
                          R475     GGGT CTTACGCCGA TTAGG-5`
echovirus22     primer             SEQUENCE
                          F69      5`-AA AACCCTTTCC CAGCCTTG
                          R165     GGAT ACGGACCAGG GGTGA-5`
poliovirus      primer             SEQUENCE
                          F3       5`-AAAACAGC TCTGGGGTTG TACC
                          R185     GTGAA GACAAAGGGG CCACT-5`
la cross        primer             SEQUENCE
                          F139     5`-G TGAAGCAAAA CCCATCCAAA
                          R393     TATACAAA CGTCGCGTCT AAC-5`
St.louis        primer             SEQUENCE
                          F132     5`-TGTCACAGT GATGGCACCA GA
                          R318     CTCA CTGGGTTGTA AACAGACG
venezuelan equine        primer        SEQUENCE
                                F80    5`-T TCCCCAGAAC CGACCCT
                                R374   GTACCAGTA CTTTAACCTT AGAC-5`
west nile                primer        SEQUENCE
                                F62    5`-ATGGGTGGA TTTGGTTCTC G
                                R348   AC CGTTTCCTTC GTAACTGT-5`
westem equine            primer        SEQUENCE
                                F578   5`-AGG GAGTTCGTAA ACAGATATTT GC
                                       5`-AGG GAGTTCGTAA ACAGTACCTT G
                                R898   AGTAG TTTTCGCGAC ACTGATTC-5`
Japanese B               primer        SEQUENCE
                                F17    5`-TTAC AGCATTAGCC CCGACC
                                R265   AAAGG TCCCCTTCGA AAACA-5`
central european         primer        SEQUENCE
                                F54    5`-CATGACC CTTGGAGTGG GG
                                R224   CGTAGTCGG TATTTCCTCT GTAA-5`
russian                  primer        SEQUENCE
                                F98    5`-ATG AGGACCATTG GGCCTCT
                                R403   CGACGTAG TACCTACAGT AGT-5`
Powassan                 primer        SEQUENCE
                                F102   5`-GCACGCCAA ATTGACCAAC
                                R443   CCGAGCCG CTGATACCAC TA-5`
Dengue                   primer        SEQUENCE
                                F150   5`-C GAGAAACCGC GTGTCAAC
                                R270   TATCGT AAGGATTCTA AAGATCGGTA
Mumps                    primer        SEQUENCE
                                F261   5`-GATCAAGGCT TGAGCAATCA GTT
                                R390   ATTG CCATAGGAAT GGGGATGTTT-5`
Measles                  primer        SEQUENCE
                                F145   5`-AACATC AAGCACCGCC TAAAAA
                                R331   GCTCCTTCTA GGCACTTGAG G
Adenovirus               primer        SEQUENCE
                                F95    5`-GGTATT CTAAACCCCG TTCAGC
                                R231   TCAGGCCGAG TCACTGAGGA A
LCMV                primer          SEQUENCE
                            F153    5`-CTCATCAT AATCACGAGC ATCAAA
                            R525    CAGAGTTCAG ATGTGGAGTC GTAGT-5`
H1V-1               primer          SEQUENCE
                            F9      5`-A ACAGTACTAG ATGTGGGAGA TGCAT
                            R214    TT TAGAATCTCG GGAAATCTTG TTTT-5`
hiv-2               primer          SEQUENCE
                            F483    5`-GGACATGGGA GGAGCTGGTG GGG
                            R770    AGAGGATCAG CGGCGGACCA-5`
inluenza-a          primer          SEQUENCE
                            F65     5`-TCCCTTATACTGGAGATCCTCCAT
                            R268    TGTTTGTCTG ACACAGGACC-5`
inluenza-b          primer          SEQUENCE
                            F1524   5`-ATTGAGGGACGTGATGCAGAT
                            R1701   TGGTAGGGGT TAAAGAAGAA AC-5`
htlv-1              primer          SEQUENCE
                            F147    5`-CGCCACTTTG ATTTTATTCT TCC
                            R480    CACGGTTAGT ACCTGGACGG-5`
htlv-2              primer          SEQUENCE
                            F34     5`-AACTGAAACCAAGGCCCTGA
                            R272    CCTAGGTAGG AGAGGTTCGC-5`
togavirus           primer          SEQUENCE
                            F3245   5`-TGTGATCAAACTTCCTGGTATCAGA
                            R3549   TCAATGTAGG ATCGGGGTGGG-5`
Rickettsia typhi    primer          SEQUENCE
                            F101    5`-CAAGCATAAC AATAGATTCA CCCTC
                            R458    TGGATGGTTT TAATCGGGTT CAAAC-5`
Rabies virus        primer          SEQUENCE
                            F183    5`-GGAGATTACA GCCCCAACAA GA
                            R453    ACATCAACCC CTGCCCAGTC-5`
Parvovirus B19      primer          SEQUENCE
                            F661    5`-TTTGAAGAAG GCTATCATAT TCATGT
                            R1031   CCCTCAGAT CGCCGTGTCC5`-
Fungi
Cryptococcus        primer          SEQUENCE
                            F396    5`-TGAGAAACGG CTACCACATC C
                            R572    CGTTCAGACC ACGGTCGTC-5`
Bacteria
                    primer          SEQUENCE
                            F488    5`-CCA GCAGCCGCGG TAA
                            R1077   A TTCAGGGCGT TGCTCGC-5`
Protozoa
                    primer          SEQUENCE
                            F1461   5`-GGCTTAATTT GACTCAACAC GG
                                    5`-GGCTTAATTC GACTCAACAC GG
                            R2098   TGGCGGG CAGCGAGG-5`

Claims (6)

1.一种脑膜炎检测芯片,其特征在于:该芯片为玻璃基片上分布有不同区域的微阵列,在每个微阵列区域中分别固定有脑膜炎致病微生物的特异性探针;探针的大小为15-30个碱基,设计61个探针,所设计的探针序列如下:meningoencephalitisvirus               probe                  SEQUENCEhhv1                hhv1          F3455    5`-ACGGCGTCGC CCTGAAhhv2                hhv2          F3455    5`-GGGGCGTTCC GCTCAAhhv3                hhv3          F3262    5`-ACTTATCCC CACGAAAGTC Ghhv5                hhv5          F1644    5`-TCTGTTCAACACCATTAATTTTCACThhv6                hhv6                   5`-CACAAACATCCTTTATTAATCCCGhhv7                hhv7                   5`-CACAAAGAGTCTTCATTAAGCCGcoxsackievirus      a9            F114     5`-AGCAAT GCACCTCTGG TCAATa9,b4,b5          b4                     5`-AGCAAAGAAACAATGGTCAATTACT
                b5                     5`-AGTTAC ACACACTGAT CAACAGTGG
                enterovirus71 F116     5`-GCAAC GCAAACCAGA TCAATAGechovirus22                       F111     5`-CCCATAGTAA CCAACACCTAAGACApoliovirus                        F114     ACAAAAC CAAGTTCAAT AGAAGGGla cross                          F197     AGCA TGATCAAAAC AGAGGSt.louis                          F219     5`-CTGCTACGAGGC AACCTTGGvenezuelan equine                 F128     5`-CGC TCGATGGCTA ACCTGAwest nile                         F280     5`-GCAGACAAGGA GTGGTGGACAwestern equine      western       F800     5`-AAGACACGACCAGCAGCACC
                eastern                5`-AAAACACGTCTAGTAGTACCATCACAA
                venezuelan             5`-ACACGACCGGCCGCTCJapanese B                        F164     5`-GAGGAGG AAATGAAGGC TCAATcentral european                  F107     5`-TGGA GCTCCGCTGT GGCrussian             Russian       F272     5`-AGCAGCTCT TACGCTACAT GGAPowassan                          F332     5`-CGTATGTTG TCAAGGTTGA GCCDengue                            F218     5`-GGA CCCATGAAAT TGGTGATGMumps                             F334     5`-GCTGTGGG AGTAATGAAT CAAGTTMeasles                           F196     5`-AATGT GGAAGTTGGG AATGTCAAdenovirus                        F141     5`-GGGGATGTCA AATTTTAGCT CCLCMV                              F385     5`-TGGGGA AATCTGGACT GGAG
                                       5`-TGGGGA GCTCTGGACT GGAGHIV-1                             F144     5`-AGGGATG GAAAGGATCA CCGHIV-2                             F676     5`-GCTCCACGCTTGCTTGCTTAinluenza-a                        F124     5`-ACGGTCAACAGGACACATCAATinluenza-b                        F1567    5`-TGATGAATGACTCAATGGCTAAGAhtlv-1                                     5`-AGTTTGTTCGTGGACCCTCGhtlv-2                                  F183    5`-AAAGGATGCC GAGTCTATAA AAGCtogavirus                               F3321   5`-TTTTCGTGGCACTTTGGCARickettsia typhi                        F194    5`-GTGCCGAAAG AATTGGTTGA AT
                                            5`-CACGGCTTTCATTAACCAACTTRabies virus                            F257    5`-TGCAGTCTCC ACCTCAGCAAParvovirus B19                          F795    5`-TTTGCCAGGA ATGACTACAA AAGBacteria                     probe              SEQUENCETropheryma whippelii         Troph      F596    5`-CGGAC CTGCGGTGGG TABorrelia afzelii             Afzelii    F596    5`-TGTGGAGCTA TGTTGGAAAC TATATGBartonella henselae          Barto      F596    5`-CTGGAACTGC CTTTGATACT GGBrucella abortus             B-abor     F596    5`-CCGGAACTGC CTTTGATACT GBrucella canis               B-canis    F596    5`-CCGGAACTGC CTTTGATACT GBrucella melitensis          B-meli     F596    5`-CCGGAACTGC CTTTGATACT GBrucella suis                B-suis     F596    5`-CCGGAACTGC CTTTGATACT GBorrelia burgdorferi         berg       F596    5`-CTGTGGAGCT ATGTTGGAAA CTATGEscherichia coli             esch       F596    5`-TGGGAACTGC ATCTGATACT GGBorrelia garinii             garinii    F596    5`-CTGTGGAACT ATGTTGGAAA CTATATGTStreptococcus pneumoniae R6  group b    F596    5`-CCATAGTAGG CTTTGGAAAC TGTTHaemophilus influenzae Rd    hae        F596    5`-AGGAATTGCA TTTCAGACTG GGLeptospira interrogans       lep        F596    5`-CGCAGCCTGC ACTTGAAACBacillus subtilis            list       F596    5`-GGGGAGGGTC ATTGGAAACTStreptococcus milleri        milleri    F596    5`-ATTGTAGGCT TTGGAAACTG TTTAAMycobacterium tuberculosis   mycoga     F596    5`-GAGCGTGCGG GCGATAMycoplasma PG50              mycopla    F596    5`-CAGTTGTATG CATTGGAAAC TATTAATNeisseria meningitidis       nei        F596    5`-CGGGAACTGC GTTCTGAACTStaphy lococcus aureus       sta        F596    5`-GTGGAGGGTC ATTGGAAACT GStrep tococcuspneumoniae                   strp-pneu  F596    5`-CCATAGTAGG CTTTGGAAAC TGTTFungi
                         probe              SequenceCryptococcus                            F436    5`-CAAATTACCC AATCCCGACA CProtozoa                     probe              SEQUENCE
                         acanthamoebAcanthamoeba sp.             a          F1759   5`-CCGTGCTTCT TAGAGGGACTGNaegleria jamiesoni          naegleria  F1759   5`TTTGTCAGCT TCTTAAAGGG ACTTToxoplasma gondii            Toxoplasma F1759   5`-CACTTCTTAG AGGGACTTTG CGT
2.一种制备权利要求1所述的脑膜炎检测芯片的制备工艺,其特征在于:所述制备工艺按如下步骤进行:
(1)设计脑膜炎特异性探针和引物;
从数据库中获得可靠的脑膜炎致病微生物基因序列,根据所述的探针序列设计探针;
从数据库中获得可靠的脑膜炎致病微生物基因序列,设计如下PCR引物,针对病毒病
原微生物基因片段进行扩增,扩增的同时标记荧光素;扩增引物序列如下:
                             meningoencephalitis
                                 virus
                  primer               SEQUENCEhhv1                                 F3394 5`-TCCAAGCCCC GCAAGChhv2                                 R3686 CTTTGAGCTG  CTTACAACGT ATC-5`hhv3p                 rimer                SEQUENCE
                                 F3125 5`-TCGGGA CATGCCAAGT AAAGT
                                 R3335 CCGAC CTTGTTGCTT TTAGGhhv4                  primer               SEQUENCE
                                 F2469 5`-C CGTAGCCCAT AATGGAACG
                                 R2939 GCGTGTAG GTGGTGGGG-5`hhv5                  primer               SEQUENCE
                                 F1502 5`-TCAACACTA TGGCCG AGCT TT
                                 R1865 CAGTGG ATTGCGGCGT TAGTA-5`hhv6                  primer               SEQUENCEhhv7                                 F2879 5`-GA TAAAACATAC GCGGTTCAGA GT
                                 R2954 GTAGTACG TAATATGGCG CTC-5`ENTEROVIRUScoxsackievirus        primer               SEQUENCEa9,b4,b5                           F3   5`-TAAAACAG CCTGTGGGTT GTTC
                                      5`-TAAAACAG CCTGTGGGTT GTAC
                                 R475 GGGT CTTACGCCGA TTAGG-5`echovirus22           primer              SEQUENCE
                                 F69  5`-AAAACCCTTTCC CAGCCTTG
                                 R165 GGAT ACGGACCAGG GGTGA-5`poliovirus            primer              SEQUENCE
                                 F3   5`-AAAACAGC TCTGGGGTTG TACC
                                 R185 GTGAA GACAAAGGGG CCACT-5`lacross               primer              SEQUENCE
                                 F139 5`-G TGAAGCAAAA CCCATCCAAA
                                 R393 TATACAAA CGTCGCGTCT AAC-5`St.louis              primer              SEQUENCE
                                    F132 5`-TGTCACAGT GATGGCACCA GA
                                    R318 CTCA CTGGGTTGTA AACAGACGvenezuelan equine             primer         SEQUENCE
                                    F80  5`-T TCCCCAGAAC CGACCCT
                                    R374 GTACCAGTA CTTTAACCTT AGAC-5`west nile                     primer         SEQUENCE
                                    F62  5`-ATGGGTGGA TTTGGTTCTC G
                                    R348 AC CGTTTCCTTC GTAACTGT-5`western equine                primer         SEQUENCE
                                    F578 5`-AGG GAGTTCGTAAACAGATATTT GC
                                         5`-AGG GAGTTCGTAA ACAGTACCTT G
                                    R898 AGTAG TTTTCGCGAC ACTGATTC-5`Japanese B                    primer         SEQUENCE
                                    F17  5`-TTAC AGCATTAGCC CCGACC
                                    R265 AAAGG TCCCCTTCGA AAACA-5`central european              primer         SEQUENCE
                                    F54  5`-CATGACC CTTGGAGTGG GG
                                    R224 CGTAGTCGG TATTTCCTCT GTAA-5`russian                       primer         SEQUENCE
                                    F98  5`-ATG AGGACCATTG GGCCTCT
                                    R403 CGACGTAG TACCTACAGT AGT-5`Powassan                      primer         SEQUENCE
                                    F102 5`-GCACGCCAA ATTGACCAAC
                                    R443 CCGAGCCG CTGATACCAC TA-5`Dengue                        primer         SEQU ENCE
                                    F150 5`-C GAGAAACCGC GTGTCAAC
                                    R270 TATCGT  AAGGATTCTA AAGATCGGTAMumps                         primer         SEQUENCE
                                    F261 5`-GATCAAGGCT TGAGCAATCA GTT
                                    R390 ATTG CCATAGGAAT GGGGATGTTT-5`Measles                       primer         SEQUENCE
                                    F145 5`-AACATC AAGCACCGCC TAAAAA
                                    R331 GCTCCTTCTA GGCACTTGAG GAdenovirus                    primer         SEQUENCE
                                    F95  5`-GGTATT CTAAACCCCG TTCAGC
                                    R231 TCAGGCCGAG TCACTGAGGA ALCMV                   primer             SEQUENCE
                                F153  5`-CTCATCAT AATCACGAGC ATCAAA
                                R525  CAGAGTTCAG ATGTGGAGTC GTAGT-5`HIV-1                  primer             SEQUENCE
                                F9    5`-A ACAGTACTAG ATGTGGGAGA TGCAT
                                R214  TT TAGAATCTCG GGAAATCTTG TTTT-5`hiv-2                  primer             SEQUENCE
                                F483  5`-GGACATGGGA GGAGCTGGTG GGG
                                R770  AGAGGATCAG CGGCGGACCA-5`inluenza-a             primer             SEQUENCE
                                F65   5`-TCCCTTATACTGGAGATCCTCCAT
                                R268  TGTTTGTCTG ACACAGGACC-5`inluenza-b             primer             SEQUENCE
                                F1524 5`-ATTGAGGGACGTGATGCAGAT
                                R1701 TGGTAGGGGT TAAAGAAGAA AC-5`htlv-1                 primer             SEQUENCE
                                F147  5`-CGCCACTTTG ATTTTATTCT TCC
                                R480  CACGGTTAGT ACCTGGACGG-5`htlv-2                 primer             SEQUENCE
                                F34   5`-AACTGAAACCAAGGCCCTGA
                                R272  CCTAGGTAGG AGAGGTTCGC-5`togavirus              primer             SEQUENCE
                                F3245 5`-TGTGATCAAACTTCCTGGTATCAGA
                                R3549 TCAATGTAGG ATCGGGGTGGG-5`Rickettsia typhi       primer             SEQUENCE
                                F101  5`-CAAGCATAAC AATAGATTCA CCCTC
                                R458  TGGATGGTTT TAATCGGGTT CAAAC-5`Rabies virus           primer             SEQUENCE
                                F183  5`-GGAGATTACA GCCCCAACAA GA
                                R453  ACATCAACCC CTGCCCAGTC-5`Parvovirus B19         primer             SEQUENCE
                                F661  5`-TTTGAAGAAG GCTATCATAT TCATGT
                                R1031 CCCTCAGAT CGCCGTGTCC5`-FungiCryptococcus           primer             SEQUENCE
                                F396  5`-T GAGAAACGG CTACCACATC C
                                R572  CGTTCAGACC ACGGTCGTC-5`Bacteria
                    primer            SEQUENCE
                                F488  5`-CCA GCAGCCGCGG TAA
                                R1077 ATTCAGGGCGT TGCTCGC-5`Protozoa
                    primer            SEQUENCE
                                F1461 5`-GGCTTAATTT GACTCAACAC GG
                                      5`-GGCTTAATTC GACTCAACAC GG
                                R2098 TGGCGGG CAGCGAGG-5`
(2)、合成探针;
(3)、制备芯片;
用去离子水将合成的探针溶解,得到浓度为200mmol/l的溶液,在玻璃基片上进行点样;点好的芯片于37℃下水化3天,然后在80℃下烘干2小时;以探针缓冲液及蒸馏水冲洗玻片,吹干;以封闭液封闭玻片,之后洗涤3次,吹干备用。
3.根据权利要求2所述的脑膜炎检测芯片的制备工艺,其特征在于:在合成探针的步骤中,探针5’端加氨基修饰。
4.根据权利要求2所述的脑膜炎检测芯片的制备工艺,其特征在于:点样中点的大小为50-100微米。
5.根据权利要求2所述的脑膜炎检测芯片的制备工艺,其特征在于:探针缓冲液为1×SSC,0.1%SDS;封闭液为1%BSA,PH=7,0.01mol/l PB。
6、一种权利要求1所述脑膜炎检测芯片的使用方法,其特征在于:所述使用方法按如下步骤进行:
(1).处理样品
将病人脑脊液的样品,分别提取DNA,备用;如需长时间放置,在-20℃下冻存;
(2).PCR引物扩增
在反应管中加入扩增反应混合物——Taq酶,相应的处理好的样品和引物,足量的dNTP以及荧光素标记的dUTP;扩增条件如下:
94℃ 5min
94℃ 30sec
56℃ 30sec
72℃ 1min
72℃ 5min
以上步骤为30个循环;
(3).杂交
PCR产物与权利要求1所述脑膜炎检测芯片上的探针在60℃下杂交2小时,用10×SSC,
0.1%SDS的杂交缓冲液与PCR产物的比例为1∶1,洗涤3次;
(4).检测
用扫描仪扫描杂交后的芯片,得到图像并输出结果;
(5).数据分析
将芯片分析结果输出。
CN 03111451 2003-04-14 2003-04-14 一种脑膜炎检测芯片及其制备工艺和使用方法 Expired - Fee Related CN1271213C (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03111451 CN1271213C (zh) 2003-04-14 2003-04-14 一种脑膜炎检测芯片及其制备工艺和使用方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03111451 CN1271213C (zh) 2003-04-14 2003-04-14 一种脑膜炎检测芯片及其制备工艺和使用方法

Publications (2)

Publication Number Publication Date
CN1515688A CN1515688A (zh) 2004-07-28
CN1271213C true CN1271213C (zh) 2006-08-23

Family

ID=34239241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03111451 Expired - Fee Related CN1271213C (zh) 2003-04-14 2003-04-14 一种脑膜炎检测芯片及其制备工艺和使用方法

Country Status (1)

Country Link
CN (1) CN1271213C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101110095B (zh) * 2006-07-20 2010-06-30 中国科学院自动化研究所 一种对常见脑疾病易感基因的批量检测方法
CN105063759A (zh) * 2015-08-03 2015-11-18 宁夏医科大学总医院 检测脑脊液病原菌的基因芯片

Also Published As

Publication number Publication date
CN1515688A (zh) 2004-07-28

Similar Documents

Publication Publication Date Title
CN1286989C (zh) 检测致病真菌生物芯片
CN1896284A (zh) 一种鉴别等位基因类型的方法
CN1718742A (zh) 用于诊断β-地中海贫血的核酸杂交膜条及试剂盒
CN1547613A (zh) 评估施用自身或者其代谢中间物被ugt1a1酶代谢的化合物引起严重毒性的方法
CN1303216C (zh) 用于扩增人的葡糖激酶基因的多重pcr引物
CN1635159A (zh) 结核分枝杆菌耐药基因检测试剂盒及其制备方法
CN1271213C (zh) 一种脑膜炎检测芯片及其制备工艺和使用方法
CN1886521A (zh) Cmv抗性相关分子标志及其用途
CN1745177A (zh) 检测葡萄球菌、肠球菌和链球菌属中的致病性革兰氏阳性菌的方法
CN1350592A (zh) 应用于原核生物和真核生物的基于核酸探针的诊断检验
CN1969048A (zh) 研究hiv的遗传和功能变异性的方法以及用于该方法的试剂盒
CN1680593A (zh) 类诺瓦克病毒检测试剂
CN1215177C (zh) 用于鉴定血液中病原菌的基因芯片及其制造方法
CN1274848C (zh) 酸土脂环酸菌的核酸引物及鉴定酸土脂环酸菌的方法
CN1195850C (zh) 检测细菌所用的基因和使用该基因检测细菌的方法
CN1448515A (zh) 基于基因组外显子芯片的数量性状基因位点定位新方法
CN100351395C (zh) 诺瓦克病毒表达量检测试剂盒及其专用引物与探针
CN1754001A (zh) 检测沙眼衣原体的方法及试剂盒
CN1247796C (zh) 转基因油菜籽及其加工产品中转基因成分的定量检测
CN1308462C (zh) 个体化用药基因型诊断芯片及其制造方法和应用方法
CN1281763C (zh) 运用荧光pcr技术检测坂崎肠杆菌的方法
CN1670220A (zh) 用于禽流感h7亚型实时荧光rt-pcr检测的引物和探针序列
CN101074449A (zh) 一种用于分析酸性环境中微生物群落结构及功能的基因芯片
CN1174104C (zh) 人工序列模板引物集及用途
CN1896280A (zh) 分支杆菌pcr-rlb检测方法及所使用的引物、探针

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CHINA MEDICINE UNIVERSITY

Free format text: FORMER OWNER: ZHAO YUJIE; WEI CHENGYOU; HE QUN; HOU WEIJIAN

Effective date: 20060818

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20060818

Address after: 110001, No. two, 92 North Road, Heping District, Liaoning, Shenyang

Patentee after: China Medical Univ.

Address before: 110001, No. two, 92 North Road, Heping District, Liaoning, Shenyang

Co-patentee before: Wei Chengyou

Patentee before: Zhao Yujie

Co-patentee before: He Qun

Co-patentee before: Hou Weijian

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060823

Termination date: 20170414

CF01 Termination of patent right due to non-payment of annual fee