CN113832159A - 突变的家族遗传性肺动脉高压致病基因bmpr2及其应用 - Google Patents

突变的家族遗传性肺动脉高压致病基因bmpr2及其应用 Download PDF

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CN113832159A
CN113832159A CN202111286927.2A CN202111286927A CN113832159A CN 113832159 A CN113832159 A CN 113832159A CN 202111286927 A CN202111286927 A CN 202111286927A CN 113832159 A CN113832159 A CN 113832159A
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bmpr2
pulmonary hypertension
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刘哲
梁庆渊
赵娜娜
赖开生
刘昕超
高璇
李方玉
侯青
惠汝太
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Bestnovo Beijing Medical Technology Co Ltd
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Abstract

本发明涉及人类遗传学和内科心血管技术领域,具体涉及了突变的家族遗传性肺动脉高压致病基因BMPR2,与野生型BMPR2基因编码DNA的参考序列相比,所述突变的家族遗传性肺动脉高压致病基因BMPR2的核苷酸序列为SEQ ID NO:7;在基因组位置chr2:203242231处,缺失碱基C;参考基因组版本是GRCh37。本发明还涉及上述突变的家族遗传性肺动脉高压致病基因BMPR2在制备家族遗传性肺动脉高压检测试剂盒中的应用。本发明提供的突变的BMPR2基因可以作为临床辅助诊断的生物标志物;检测该变异的携带者,为受试者提供优生优育指导和遗传咨询,减少患儿出生,对肺动脉高压的早期诊断,或者辅助临床判断具有重要意义。

Description

突变的家族遗传性肺动脉高压致病基因BMPR2及其应用
技术领域
本发明涉及人类遗传学和内科心血管技术领域,尤其涉及突变的家族遗传性肺动脉高压致病基因BMPR2及其应用。
背景技术
肺动脉高压(Pulmonary arterial hypertension,PAH)是指由多种异源性疾病(病因)和不同发病机制所致肺血管结构或功能改变,引起肺血管阻力和肺动脉压力升高的临床和病理生理综合征,继而发展成右心衰竭甚至死亡。发病率低,但病程凶险、预后不良,主要临床表现为:肺动脉压力和阻力进行性升高,右心室工作复合增加、衰竭和死亡。
《中国肺动脉高压诊断和治疗指南2021》指出,PAH中以先天性心脏病(congenitalheart diseace,CHD)相关PAH、遗传性PAH(heritable pulmonary arterialhypertension,HPAH)、药物和毒物相关PAH(drug-induced pulmonary hypertension,DPAH)常见,其中HPAH均为单基因常染色体显性遗传,目前已知9个致病基因:BMPR2、BMP9、ALK1、Endoglin、SMAD9、BMPR1B、TBX4、CAV1和KCNK3,可解释50%~80%的HPAH和20%~50%的散发型IPAH患者的病因。
BMPR2是PAH最常见的致病基因,可解释75%的家族HPAH及25%的IPAH散发病例。中国人群中BMPR2突变比例在HPAH和IPAH分别为53%和15%。BMPR2BMPR2基因编码跨膜丝氨酸/苏氨酸激酶的骨形态发生蛋白(BMP)受体家族的一员,编码骨形成蛋白2型受体,在调控血管增殖中起到重要作用。与不携带突变的患者相比,携带BMPR2突变的IPAH/HPAH患者发病更早,临床表型更严重,预后更差。
目前仍有部分家族HPAH无法解释,从分子水平揭示与BMPR2基因相关的肺动脉高压的发病机制,能够为肺动脉高压的临床治疗提供理论依据,对肺动脉高压的早期诊断,或者辅助临床判断具有重要意义。
发明内容
本发明的目的是针对家族遗传性肺动脉高压致病基因,提供一种突变的家族遗传性肺动脉高压致病基因BMPR2及其应用。
本发明提供的技术方案如下:
一、本发明提供突变的家族遗传性肺动脉高压致病基因BMPR2,与野生型BMPR2基因编码DNA的参考序列相比,所述突变的家族遗传性肺动脉高压致病基因BMPR2的核苷酸序列为SEQ ID NO:7;在基因组位置chr2:203242231处,缺失碱基C;参考基因组版本是GRCh37。
二、本发明还提供了上述突变的家族遗传性肺动脉高压致病基因BMPR2在制备家族遗传性肺动脉高压检测试剂盒中的应用。
优选地,所述家族遗传性肺动脉高压检测试剂盒包括用于扩增致病基因BMPR2的引物,引物的序列为SEQ ID NO:5和SEQ ID NO:6。
优选地,所述家族遗传性肺动脉高压检测试剂盒还包括Taq DNA聚合酶和PCR缓冲液。
三、本发明的原理和有益效果在于:
本发明公开的突变的BMPR2基因可以作为临床辅助诊断家族遗传性肺动脉高压的生物标志物,对家族遗传性肺动脉高压的早期诊断,或者辅助临床判断具有重要意义;基于突变的BMPR2基因开发的检测试剂盒,可以检测出突变的BMPR2基因的患者,为受试者提供优生优育指导和遗传咨询,减少患儿出生。
附图说明
图1为实施例3的家系图;
图2为家系中携带突变的BMPR2基因的先证者、先证者母亲等人的Sanger测序图;
图3为实施例3家系中先证者父亲的Sanger测序图。
具体实施方式
下面通过具体实施方式进一步详细说明:
实施例1-突变的家族遗传性肺动脉高压致病基因BMPR2
突变的家族遗传性肺动脉高压致病基因BMPR2,具体突变如下表1所示:
表1突变的家族遗传性肺动脉高压致病基因BMPR2
基因 基因组位置 转录本号 碱基改变 氨基酸改变 参考基因组版本 外显子号
BMPR2 chr2:203242231 NM_001204 c.36delC p.Trp13GlyfsTer34 GRCh37/hg19 Exon1
(1)具体地,在基因组位置chr2:203242198-chr2:203242247处,野生型BMPR2基因的序列为SEQ ID NO:1:
Figure BDA0003333413400000022
为基因组位置chr2:203242231处突变前碱基;
在基因组位置chr2:203242198-chr2:203242246处,突变的BMPR2基因的序列为SEQ ID NO:2:ATGACTTCCTCGCTGCAGCGGCCCTGGCGGGTGCCTGGCTACCATGGAC;
即,本实施例提供的突变的家族遗传性肺动脉高压致病基因BMPR2,与野生型BMPR2基因编码DNA的参考序列相比,在基因组位置chr2:203242231处,缺失碱基C;参考基因组版本是GRCh37。
(2)具体地,野生型BMPR2基因编码DNA的参考序列为SEQ ID NO:3:
Figure BDA0003333413400000032
Figure BDA0003333413400000042
Figure BDA0003333413400000041
为野生型BMPR2基因编码DNA的参考序列的第36位突变前碱基。
c.36delC表示:与野生型BMPR2基因编码DNA的参考序列相比,突变基因在第36位点处缺失碱基C。突变的家族遗传性肺动脉高压致病基因BMPR2的核苷酸序列为SEQ ID NO:7:
ATGACTTCCTCGCTGCAGCGGCCCTGGCGGGTGCCTGGCTACCATGGACCATCCTGCTGGTCAGCACTGCGGCTGCTTCGCAGAATCAAGAACGGCTATGTGCGTTTAAAGATCCGTATCAGCAAGACCTTGGGATAGGTGAGAGTAGAATCTCTCATGAAAATGGGACAATATTATGCTCGAAAGGTAGCACCTGCTATGGCCTTTGGGAGAAATCAAAAGGGGACATAAATCTTGTAAAACAAGGATGTTGGTCTCACATTGGAGATCCCCAAGAGTGTCACTATGAAGAATGTGTAGTAACTACCACTCCTCCCTCAATTCAGAATGGAACATACCGTTTCTGCTGTTGTAGCACAGATTTATGTAATGTCAACTTTACTGAGAATTTTCCACCTCCTGACACAACACCACTCAGTCCACCTCATTCATTTAACCGAGATGAGACAATAATCATTGCTTTGGCATCAGTCTCTGTATTAGCTGTTTTGATAGTTGCCTTATGCTTTGGATACAGAATGTTGACAGGAGACCGTAAACAAGGTCTTCACAGTATGAACATGATGGAGGCAGCAGCATCCGAACCCTCTCTTGATCTAGATAATCTGAAACTGTTGGAGCTGATTGGCCGAGGTCGATATGGAGCAGTATATAAAGGCTCCTTGGATGAGCGTCCAGTTGCTGTAAAAGTGTTTTCCTTTGCAAACCGTCAGAATTTTATCAACGAAAAGAACATTTACAGAGTGCCTTTGATGGAACATGACAACATTGCCCGCTTTATAGTTGGAGATGAGAGAGTCACTGCAGATGGACGCATGGAATATTTGCTTGTGATGGAGTACTATCCCAATGGATCTTTATGCAAGTATTTAAGTCTCCACACAAGTGACTGGGTAAGCTCTTGCCGTCTTGCTCATTCTGTTACTAGAGGACTGGCTTATCTTCACACAGAATTACCACGAGGAGATCATTATAAACCTGCAATTTCCCATCGAGATTTAAACAGCAGAAATGTCCTAGTGAAAAATGATGGAACCTGTGTTATTAGTGACTTTGGACTGTCCATGAGGCTGACTGGAAATAGACTGGTGCGCCCAGGGGAGGAAGATAATGCAGCCATAAGCGAGGTTGGCACTATCAGATATATGGCACCAGAAGTGCTAGAAGGAGCTGTGAACTTGAGGGACTGTGAATCAGCTTTGAAACAAGTAGACATGTATGCTCTTGGACTAATCTATTGGGAGATATTTATGAGATGTACAGACCTCTTCCCAGGGGAATCCGTACCAGAGTACCAGATGGCTTTTCAGACAGAGGTTGGAAACCATCCCACTTTTGAGGATATGCAGGTTCTCGTGTCTAGGGAAAAACAGAGACCCAAGTTCCCAGAAGCCTGGAAAGAAAATAGCCTGGCAGTGAGGTCACTCAAGGAGACAATCGAAGACTGTTGGGACCAGGATGCAGAGGCTCGGCTTACTGCACAGTGTGCTGAGGAAAGGATGGCTGAACTTATGATGATTTGGGAAAGAAACAAATCTGTGAGCCCAACAGTCAATCCAATGTCTACTGCTATGCAGAATGAACGCAACCTGTCACATAATAGGCGTGTGCCAAAAATTGGTCCTTATCCAGATTATTCTTCCTCCTCATACATTGAAGACTCTATCCATCATACTGACAGCATCGTGAAGAATATTTCCTCTGAGCATTCTATGTCCAGCACACCTTTGACTATAGGGGAAAAAAACCGAAATTCAATTAACTATGAACGACAGCAAGCACAAGCTCGAATCCCCAGCCCTGAAACAAGTGTCACCAGCCTCTCCACCAACACAACAACCACAAACACCACAGGACTCACGCCAAGTACTGGCATGACTACTATATCTGAGATGCCATACCCAGATGAAACAAATCTGCATACCACAAATGTTGCACAGTCAATTGGGCCAACCCCTGTCTGCTTACAGCTGACAGAAGAAGACTTGGAAACCAACAAGCTAGACCCAAAAGAAGTTGATAAGAACCTCAAGGAAAGCTCTGATGAGAATCTCATGGAGCACTCTCTTAAACAGTTCAGTGGCCCAGACCCACTGAGCAGTACTAGTTCTAGCTTGCTTTACCCACTCATAAAACTTGCAGTAGAAGCAACTGGACAGCAGGACTTCACACAGACTGCAAATGGCCAAGCATGTTTGATTCCTGATGTTCTGCCTACTCAGATCTATCCTCTCCCCAAGCAGCAGAACCTTCCCAAGAGACCTACTAGTTTGCCTTTGAACACCAAAAATTCAACAAAAGAGCCCCGGCTAAAATTTGGCAGCAAGCACAAATCAAACTTGAAACAAGTCGAAACTGGAGTTGCCAAGATGAATACAATCAATGCAGCAGAACCTCATGTGGTGACAGTCACCATGAATGGTGTGGCAGGTAGAAACCACAGTGTTAACTCCCATGCTGCCACAACCCAATATGCCAATGGGACAGTACTATCTGGCCAAACAACCAACATAGTGACACATAGGGCCCAAGAAATGTTGCAGAATCAGTTTATTGGTGAGGACACCCGGCTGAATATTAATTCCAGTCCTGATGAGCATGAGCCTTTACTGAGACGAGAGCAACAAGCTGGCCATGATGAAGGTGTTCTGGATCGTCTTGTGGACAGGAGGGAACGGCCACTAGAAGGTGGCCGAACTAATTCCAATAACAACAACAGCAATCCATGTTCAGAACAAGATGTTCTTGCACAGGGTGTTCCAAGCACAGCAGCAGATCCTGGGCCATCAAAGCCCAGAAGAGCACAGAGGCCTAATTCTCTGGATCTTTCAGCCACAAATGTCCTGGATGGCAGCAGTATACAGATAGGTGAGTCAACACAAGATGGCAAATCAGGATCAGGTGAAAAGATCAAGAAACGTGTGAAAACTCCCTATTCTCTTAAGCGGTGGCGCCCCTCCACCTGGGTCATCTCCACTGAATCGCTGGACTGTGAAGTCAACAATAATGGCAGTAACAGGGCAGTTCATTCCAAATCCAGCACTGCTGTTTACCTTGCAGAAGGAGGCACTGCTACAACCATGGTGTCTAAAGATATAGGAATGAACTGTCTGTGA。
(3)具体地,野生型BMPR2基因编码蛋白为SEQ ID NO:4:
Figure BDA0003333413400000063
Figure BDA0003333413400000062
为突变前第13位色氨酸(Trp,W)。
p.Trp13GlyfsTer34表示:第13位的色氨酸(Trp,W)突变为甘氨酸(Gly,G),并且其后的第33位出现终止密码子,可能会引起蛋白质的截短表达。
本领域普通技术人员已知,本发明所述的突变位点为单核苷酸多态性(SNP)位点,即基因组序列中单核苷酸发生改变,核苷酸序列的差异可以体现在DNA、RNA和蛋白质水平,本发明所提供的突变的家族遗传性肺动脉高压致病基因BMPR2优选体现在DNA水平和蛋白质水平。
(4)查询人群频率数据库发现BMPR2基因c.36delC杂合缺失变异(BMPR2:p.Trp13GlyfsTer34het)为罕见变异(千人基因组:无,ESP6500:无,ExAC:无)。该缺失变异使第13位非极性的色氨酸变为非极性的甘氨酸,其后蛋白移码表达,并使其后第33位氨基酸出现一终止密码子,可能会使蛋白截短表达。查询ClinVar、HGMD数据库未发现该变异,该位点下游的移码或无义变异多次被上报者评定为肺动脉高压的致病突变(ClinVar数据库),文献检索未发现该变异与疾病相关的报导。根据现有证据:该变异为罕见变异、该变异可能会使蛋白截短表达、附近及下游的移码或无义变异多次被上报者评定为肺动脉高压的致病突变,所以结合临床诊断结果推定该变异为肺动脉高压的高度可疑致病突变。
实施例2-突变的家族遗传性肺动脉高压致病基因BMPR2体外检测试剂盒
本实施例提供的突变的家族遗传性肺动脉高压致病基因BMPR2体外检测试剂盒,包含目的片段的特异性扩增引物、DNA聚合酶和PCR缓冲液;
具体引物信息如下:
上游引物(BMPR2-E1F,SEQ ID NO:5):5'CCTCTCATCAGCCATTTGTCC 3';下游引物(BMPR2-E1R,SEQ ID NO:6):5'AGTGGGGATAGGAAAATACACAA 3';长度:433bp。
本试剂盒具体采用Sanger测序法,具体检测步骤为:按照实施例1的步骤提取待测者DNA,然后使用经设计的引物组合(SEQ ID NO:5和SEQ ID NO:6)对BMPR2基因进行扩增,得到PCR产物,使用1.5%的琼脂糖凝胶电泳检测PCR产物,选用1000bp Marker作为参考,检测验证扩增产物为预期的大小,最后对PCR产物进行测序。从NCBI(https://www.ncbi.nlm.nih.gov/)数据库获得参考序列和测序结果进行比对,判断待测者BMPR2基因是否携带c.36delC杂合错义变异,协助临床确诊待测者是否患有具有c.36delC BMPR2基因突变的患者。
采用本实施例提供的家族遗传性肺动脉高压检测试剂盒能够检测出c.36delC位点突变的BMPR2基因,可以用于体外检测和诊断诊断家族遗传性肺动脉高压致病基因,对家族遗传性肺动脉高压的早期诊断,或者辅助临床判断具有重要意义。
实施例3-家系验证
由于HPAH均为单基因常染色体显性遗传,因此本实施例采用家系连锁分析方法验证突变的家族遗传性肺动脉高压致病基因BMPR2的致病性。
具体地,选取一个家族遗传性肺动脉高压家系中的三代成员,该家系中的先证者在中国医学科学院阜外医院治疗,临床诊断患有家族遗传性肺动脉高压。
在先证者(男,9岁)及其家属自愿签署知情同意书的前提下,寄送5-10mL全血样本,建立病历资料库,详细记录先证者病情、家系情况等资料。本验证已得到本单位伦理委员会批准。
先证者病史:
表2先证者病史
Figure BDA0003333413400000081
Figure BDA0003333413400000091
采用实施例2提供的体外检测试剂盒对先证者及其家属的BMPR2基因进行基因检测,检测结果如图1-图3所示,图1为实施例3的家系图;图2为家系中携带突变的BMPR2基因的先证者、先证者母亲等人的Sanger测序图;图3为实施例3家系中先证者父亲的Sanger测序图。
如图1-图3所示,该家系中临床诊断出家族遗传性肺动脉高压的先证者、先证者母亲和先证者外公均携带了突变的BMPR2致病基因;而未患有家族遗传性肺动脉高压的先证者哥哥、先证者父亲和先证者外婆均未携带突变的BMPR2致病基因。
该家系验证说明了突变BMPR2致病基因对家族遗传性肺动脉高压的致病性,支持临床诊断。
实施例4-针对家系外正常人的验证实验
采用实施例2的突变的家族遗传性肺动脉高压致病基因BMPR2体外检测试剂盒,对1000例家系外正常人进行BMPR2基因c.36delC突变位点检测,结果均未能检测到该突变。
实施例5-针对家系外家族遗传性肺动脉高压患者的验证实验
在中国范围内,对患有家族遗传性肺动脉高压、肥厚型心肌病、扩张型心肌病、长QT等单基因常染色体显性遗传病的患者中检测BMPR2基因,患者总共2000例,每种疾病的患病人数不等,结果显示,除实施例3提供的家系外,仅在临床诊断患有家族遗传性肺动脉高压的2例患者中检测到具有c.36delC杂合错义变异的突变BMPR2基因。
本实验再次验证说明突变的BMPR2基因的c.36delC杂合错义变异会导致家族遗传性肺动脉高压,支持临床诊断。
以上详细描述了本发明的较佳具体实施例。应当理解,本领域的普通技术人员无需创造性劳动就可以根据本发明的构思作出诸多修改和变化。因此,凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案,皆应在由权利要求书所确定的保护范围内。
序列表
<110> 百世诺(北京)医疗科技有限公司
<120> 突变的家族遗传性肺动脉高压致病基因BMPR2及其应用
<160> 7
<170> SIPOSequenceListing 1.0
<210> 1
<211> 50
<212> DNA
<213> homo sapiens
<400> 1
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<210> 2
<211> 49
<212> DNA
<213> homo sapiens
<400> 2
atgacttcct cgctgcagcg gccctggcgg gtgcctggct accatggac 49
<210> 3
<211> 3117
<212> DNA
<213> homo sapiens
<400> 3
atgacttcct cgctgcagcg gccctggcgg gtgccctggc taccatggac catcctgctg 60
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cagcaagacc ttgggatagg tgagagtaga atctctcatg aaaatgggac aatattatgc 180
tcgaaaggta gcacctgcta tggcctttgg gagaaatcaa aaggggacat aaatcttgta 240
aaacaaggat gttggtctca cattggagat ccccaagagt gtcactatga agaatgtgta 300
gtaactacca ctcctccctc aattcagaat ggaacatacc gtttctgctg ttgtagcaca 360
gatttatgta atgtcaactt tactgagaat tttccacctc ctgacacaac accactcagt 420
ccacctcatt catttaaccg agatgagaca ataatcattg ctttggcatc agtctctgta 480
ttagctgttt tgatagttgc cttatgcttt ggatacagaa tgttgacagg agaccgtaaa 540
caaggtcttc acagtatgaa catgatggag gcagcagcat ccgaaccctc tcttgatcta 600
gataatctga aactgttgga gctgattggc cgaggtcgat atggagcagt atataaaggc 660
tccttggatg agcgtccagt tgctgtaaaa gtgttttcct ttgcaaaccg tcagaatttt 720
atcaacgaaa agaacattta cagagtgcct ttgatggaac atgacaacat tgcccgcttt 780
atagttggag atgagagagt cactgcagat ggacgcatgg aatatttgct tgtgatggag 840
tactatccca atggatcttt atgcaagtat ttaagtctcc acacaagtga ctgggtaagc 900
tcttgccgtc ttgctcattc tgttactaga ggactggctt atcttcacac agaattacca 960
cgaggagatc attataaacc tgcaatttcc catcgagatt taaacagcag aaatgtccta 1020
gtgaaaaatg atggaacctg tgttattagt gactttggac tgtccatgag gctgactgga 1080
aatagactgg tgcgcccagg ggaggaagat aatgcagcca taagcgaggt tggcactatc 1140
agatatatgg caccagaagt gctagaagga gctgtgaact tgagggactg tgaatcagct 1200
ttgaaacaag tagacatgta tgctcttgga ctaatctatt gggagatatt tatgagatgt 1260
acagacctct tcccagggga atccgtacca gagtaccaga tggcttttca gacagaggtt 1320
ggaaaccatc ccacttttga ggatatgcag gttctcgtgt ctagggaaaa acagagaccc 1380
aagttcccag aagcctggaa agaaaatagc ctggcagtga ggtcactcaa ggagacaatc 1440
gaagactgtt gggaccagga tgcagaggct cggcttactg cacagtgtgc tgaggaaagg 1500
atggctgaac ttatgatgat ttgggaaaga aacaaatctg tgagcccaac agtcaatcca 1560
atgtctactg ctatgcagaa tgaacgcaac ctgtcacata ataggcgtgt gccaaaaatt 1620
ggtccttatc cagattattc ttcctcctca tacattgaag actctatcca tcatactgac 1680
agcatcgtga agaatatttc ctctgagcat tctatgtcca gcacaccttt gactataggg 1740
gaaaaaaacc gaaattcaat taactatgaa cgacagcaag cacaagctcg aatccccagc 1800
cctgaaacaa gtgtcaccag cctctccacc aacacaacaa ccacaaacac cacaggactc 1860
acgccaagta ctggcatgac tactatatct gagatgccat acccagatga aacaaatctg 1920
cataccacaa atgttgcaca gtcaattggg ccaacccctg tctgcttaca gctgacagaa 1980
gaagacttgg aaaccaacaa gctagaccca aaagaagttg ataagaacct caaggaaagc 2040
tctgatgaga atctcatgga gcactctctt aaacagttca gtggcccaga cccactgagc 2100
agtactagtt ctagcttgct ttacccactc ataaaacttg cagtagaagc aactggacag 2160
caggacttca cacagactgc aaatggccaa gcatgtttga ttcctgatgt tctgcctact 2220
cagatctatc ctctccccaa gcagcagaac cttcccaaga gacctactag tttgcctttg 2280
aacaccaaaa attcaacaaa agagccccgg ctaaaatttg gcagcaagca caaatcaaac 2340
ttgaaacaag tcgaaactgg agttgccaag atgaatacaa tcaatgcagc agaacctcat 2400
gtggtgacag tcaccatgaa tggtgtggca ggtagaaacc acagtgttaa ctcccatgct 2460
gccacaaccc aatatgccaa tgggacagta ctatctggcc aaacaaccaa catagtgaca 2520
catagggccc aagaaatgtt gcagaatcag tttattggtg aggacacccg gctgaatatt 2580
aattccagtc ctgatgagca tgagccttta ctgagacgag agcaacaagc tggccatgat 2640
gaaggtgttc tggatcgtct tgtggacagg agggaacggc cactagaagg tggccgaact 2700
aattccaata acaacaacag caatccatgt tcagaacaag atgttcttgc acagggtgtt 2760
ccaagcacag cagcagatcc tgggccatca aagcccagaa gagcacagag gcctaattct 2820
ctggatcttt cagccacaaa tgtcctggat ggcagcagta tacagatagg tgagtcaaca 2880
caagatggca aatcaggatc aggtgaaaag atcaagaaac gtgtgaaaac tccctattct 2940
cttaagcggt ggcgcccctc cacctgggtc atctccactg aatcgctgga ctgtgaagtc 3000
aacaataatg gcagtaacag ggcagttcat tccaaatcca gcactgctgt ttaccttgca 3060
gaaggaggca ctgctacaac catggtgtct aaagatatag gaatgaactg tctgtga 3117
<210> 4
<211> 1038
<212> PRT
<213> homo sapiens
<400> 4
Met Thr Ser Ser Leu Gln Arg Pro Trp Arg Val Pro Trp Leu Pro Trp
1 5 10 15
Thr Ile Leu Leu Val Ser Thr Ala Ala Ala Ser Gln Asn Gln Glu Arg
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Ser Arg Ile Ser His Glu Asn Gly Thr Ile Leu Cys Ser Lys Gly Ser
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Thr Cys Tyr Gly Leu Trp Glu Lys Ser Lys Gly Asp Ile Asn Leu Val
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Tyr Arg Phe Cys Cys Cys Ser Thr Asp Leu Cys Asn Val Asn Phe Thr
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Glu Asn Phe Pro Pro Pro Asp Thr Thr Pro Leu Ser Pro Pro His Ser
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Phe Asn Arg Asp Glu Thr Ile Ile Ile Ala Leu Ala Ser Val Ser Val
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Leu Ala Val Leu Ile Val Ala Leu Cys Phe Gly Tyr Arg Met Leu Thr
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Gly Asp Arg Lys Gln Gly Leu His Ser Met Asn Met Met Glu Ala Ala
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Ala Ser Glu Pro Ser Leu Asp Leu Asp Asn Leu Lys Leu Leu Glu Leu
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Ile Gly Arg Gly Arg Tyr Gly Ala Val Tyr Lys Gly Ser Leu Asp Glu
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Arg Pro Val Ala Val Lys Val Phe Ser Phe Ala Asn Arg Gln Asn Phe
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Ile Asn Glu Lys Asn Ile Tyr Arg Val Pro Leu Met Glu His Asp Asn
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Ile Ala Arg Phe Ile Val Gly Asp Glu Arg Val Thr Ala Asp Gly Arg
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Met Glu Tyr Leu Leu Val Met Glu Tyr Tyr Pro Asn Gly Ser Leu Cys
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Lys Tyr Leu Ser Leu His Thr Ser Asp Trp Val Ser Ser Cys Arg Leu
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Ala His Ser Val Thr Arg Gly Leu Ala Tyr Leu His Thr Glu Leu Pro
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Arg Gly Asp His Tyr Lys Pro Ala Ile Ser His Arg Asp Leu Asn Ser
325 330 335
Arg Asn Val Leu Val Lys Asn Asp Gly Thr Cys Val Ile Ser Asp Phe
340 345 350
Gly Leu Ser Met Arg Leu Thr Gly Asn Arg Leu Val Arg Pro Gly Glu
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Glu Asp Asn Ala Ala Ile Ser Glu Val Gly Thr Ile Arg Tyr Met Ala
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Pro Glu Val Leu Glu Gly Ala Val Asn Leu Arg Asp Cys Glu Ser Ala
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Leu Lys Gln Val Asp Met Tyr Ala Leu Gly Leu Ile Tyr Trp Glu Ile
405 410 415
Phe Met Arg Cys Thr Asp Leu Phe Pro Gly Glu Ser Val Pro Glu Tyr
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Gln Met Ala Phe Gln Thr Glu Val Gly Asn His Pro Thr Phe Glu Asp
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Met Gln Val Leu Val Ser Arg Glu Lys Gln Arg Pro Lys Phe Pro Glu
450 455 460
Ala Trp Lys Glu Asn Ser Leu Ala Val Arg Ser Leu Lys Glu Thr Ile
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Glu Asp Cys Trp Asp Gln Asp Ala Glu Ala Arg Leu Thr Ala Gln Cys
485 490 495
Ala Glu Glu Arg Met Ala Glu Leu Met Met Ile Trp Glu Arg Asn Lys
500 505 510
Ser Val Ser Pro Thr Val Asn Pro Met Ser Thr Ala Met Gln Asn Glu
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Arg Asn Leu Ser His Asn Arg Arg Val Pro Lys Ile Gly Pro Tyr Pro
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Asp Tyr Ser Ser Ser Ser Tyr Ile Glu Asp Ser Ile His His Thr Asp
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Ser Ile Val Lys Asn Ile Ser Ser Glu His Ser Met Ser Ser Thr Pro
565 570 575
Leu Thr Ile Gly Glu Lys Asn Arg Asn Ser Ile Asn Tyr Glu Arg Gln
580 585 590
Gln Ala Gln Ala Arg Ile Pro Ser Pro Glu Thr Ser Val Thr Ser Leu
595 600 605
Ser Thr Asn Thr Thr Thr Thr Asn Thr Thr Gly Leu Thr Pro Ser Thr
610 615 620
Gly Met Thr Thr Ile Ser Glu Met Pro Tyr Pro Asp Glu Thr Asn Leu
625 630 635 640
His Thr Thr Asn Val Ala Gln Ser Ile Gly Pro Thr Pro Val Cys Leu
645 650 655
Gln Leu Thr Glu Glu Asp Leu Glu Thr Asn Lys Leu Asp Pro Lys Glu
660 665 670
Val Asp Lys Asn Leu Lys Glu Ser Ser Asp Glu Asn Leu Met Glu His
675 680 685
Ser Leu Lys Gln Phe Ser Gly Pro Asp Pro Leu Ser Ser Thr Ser Ser
690 695 700
Ser Leu Leu Tyr Pro Leu Ile Lys Leu Ala Val Glu Ala Thr Gly Gln
705 710 715 720
Gln Asp Phe Thr Gln Thr Ala Asn Gly Gln Ala Cys Leu Ile Pro Asp
725 730 735
Val Leu Pro Thr Gln Ile Tyr Pro Leu Pro Lys Gln Gln Asn Leu Pro
740 745 750
Lys Arg Pro Thr Ser Leu Pro Leu Asn Thr Lys Asn Ser Thr Lys Glu
755 760 765
Pro Arg Leu Lys Phe Gly Ser Lys His Lys Ser Asn Leu Lys Gln Val
770 775 780
Glu Thr Gly Val Ala Lys Met Asn Thr Ile Asn Ala Ala Glu Pro His
785 790 795 800
Val Val Thr Val Thr Met Asn Gly Val Ala Gly Arg Asn His Ser Val
805 810 815
Asn Ser His Ala Ala Thr Thr Gln Tyr Ala Asn Gly Thr Val Leu Ser
820 825 830
Gly Gln Thr Thr Asn Ile Val Thr His Arg Ala Gln Glu Met Leu Gln
835 840 845
Asn Gln Phe Ile Gly Glu Asp Thr Arg Leu Asn Ile Asn Ser Ser Pro
850 855 860
Asp Glu His Glu Pro Leu Leu Arg Arg Glu Gln Gln Ala Gly His Asp
865 870 875 880
Glu Gly Val Leu Asp Arg Leu Val Asp Arg Arg Glu Arg Pro Leu Glu
885 890 895
Gly Gly Arg Thr Asn Ser Asn Asn Asn Asn Ser Asn Pro Cys Ser Glu
900 905 910
Gln Asp Val Leu Ala Gln Gly Val Pro Ser Thr Ala Ala Asp Pro Gly
915 920 925
Pro Ser Lys Pro Arg Arg Ala Gln Arg Pro Asn Ser Leu Asp Leu Ser
930 935 940
Ala Thr Asn Val Leu Asp Gly Ser Ser Ile Gln Ile Gly Glu Ser Thr
945 950 955 960
Gln Asp Gly Lys Ser Gly Ser Gly Glu Lys Ile Lys Lys Arg Val Lys
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Thr Pro Tyr Ser Leu Lys Arg Trp Arg Pro Ser Thr Trp Val Ile Ser
980 985 990
Thr Glu Ser Leu Asp Cys Glu Val Asn Asn Asn Gly Ser Asn Arg Ala
995 1000 1005
Val His Ser Lys Ser Ser Thr Ala Val Tyr Leu Ala Glu Gly Gly Thr
1010 1015 1020
Ala Thr Thr Met Val Ser Lys Asp Ile Gly Met Asn Cys Leu
1025 1030 1035
<210> 5
<211> 21
<212> DNA
<213> homo sapiens
<400> 5
cctctcatca gccatttgtc c 21
<210> 6
<211> 23
<212> DNA
<213> homo sapiens
<400> 6
agtggggata ggaaaataca caa 23
<210> 7
<211> 3116
<212> DNA
<213> homo sapiens
<400> 7
atgacttcct cgctgcagcg gccctggcgg gtgcctggct accatggacc atcctgctgg 60
tcagcactgc ggctgcttcg cagaatcaag aacggctatg tgcgtttaaa gatccgtatc 120
agcaagacct tgggataggt gagagtagaa tctctcatga aaatgggaca atattatgct 180
cgaaaggtag cacctgctat ggcctttggg agaaatcaaa aggggacata aatcttgtaa 240
aacaaggatg ttggtctcac attggagatc cccaagagtg tcactatgaa gaatgtgtag 300
taactaccac tcctccctca attcagaatg gaacataccg tttctgctgt tgtagcacag 360
atttatgtaa tgtcaacttt actgagaatt ttccacctcc tgacacaaca ccactcagtc 420
cacctcattc atttaaccga gatgagacaa taatcattgc tttggcatca gtctctgtat 480
tagctgtttt gatagttgcc ttatgctttg gatacagaat gttgacagga gaccgtaaac 540
aaggtcttca cagtatgaac atgatggagg cagcagcatc cgaaccctct cttgatctag 600
ataatctgaa actgttggag ctgattggcc gaggtcgata tggagcagta tataaaggct 660
ccttggatga gcgtccagtt gctgtaaaag tgttttcctt tgcaaaccgt cagaatttta 720
tcaacgaaaa gaacatttac agagtgcctt tgatggaaca tgacaacatt gcccgcttta 780
tagttggaga tgagagagtc actgcagatg gacgcatgga atatttgctt gtgatggagt 840
actatcccaa tggatcttta tgcaagtatt taagtctcca cacaagtgac tgggtaagct 900
cttgccgtct tgctcattct gttactagag gactggctta tcttcacaca gaattaccac 960
gaggagatca ttataaacct gcaatttccc atcgagattt aaacagcaga aatgtcctag 1020
tgaaaaatga tggaacctgt gttattagtg actttggact gtccatgagg ctgactggaa 1080
atagactggt gcgcccaggg gaggaagata atgcagccat aagcgaggtt ggcactatca 1140
gatatatggc accagaagtg ctagaaggag ctgtgaactt gagggactgt gaatcagctt 1200
tgaaacaagt agacatgtat gctcttggac taatctattg ggagatattt atgagatgta 1260
cagacctctt cccaggggaa tccgtaccag agtaccagat ggcttttcag acagaggttg 1320
gaaaccatcc cacttttgag gatatgcagg ttctcgtgtc tagggaaaaa cagagaccca 1380
agttcccaga agcctggaaa gaaaatagcc tggcagtgag gtcactcaag gagacaatcg 1440
aagactgttg ggaccaggat gcagaggctc ggcttactgc acagtgtgct gaggaaagga 1500
tggctgaact tatgatgatt tgggaaagaa acaaatctgt gagcccaaca gtcaatccaa 1560
tgtctactgc tatgcagaat gaacgcaacc tgtcacataa taggcgtgtg ccaaaaattg 1620
gtccttatcc agattattct tcctcctcat acattgaaga ctctatccat catactgaca 1680
gcatcgtgaa gaatatttcc tctgagcatt ctatgtccag cacacctttg actatagggg 1740
aaaaaaaccg aaattcaatt aactatgaac gacagcaagc acaagctcga atccccagcc 1800
ctgaaacaag tgtcaccagc ctctccacca acacaacaac cacaaacacc acaggactca 1860
cgccaagtac tggcatgact actatatctg agatgccata cccagatgaa acaaatctgc 1920
ataccacaaa tgttgcacag tcaattgggc caacccctgt ctgcttacag ctgacagaag 1980
aagacttgga aaccaacaag ctagacccaa aagaagttga taagaacctc aaggaaagct 2040
ctgatgagaa tctcatggag cactctctta aacagttcag tggcccagac ccactgagca 2100
gtactagttc tagcttgctt tacccactca taaaacttgc agtagaagca actggacagc 2160
aggacttcac acagactgca aatggccaag catgtttgat tcctgatgtt ctgcctactc 2220
agatctatcc tctccccaag cagcagaacc ttcccaagag acctactagt ttgcctttga 2280
acaccaaaaa ttcaacaaaa gagccccggc taaaatttgg cagcaagcac aaatcaaact 2340
tgaaacaagt cgaaactgga gttgccaaga tgaatacaat caatgcagca gaacctcatg 2400
tggtgacagt caccatgaat ggtgtggcag gtagaaacca cagtgttaac tcccatgctg 2460
ccacaaccca atatgccaat gggacagtac tatctggcca aacaaccaac atagtgacac 2520
atagggccca agaaatgttg cagaatcagt ttattggtga ggacacccgg ctgaatatta 2580
attccagtcc tgatgagcat gagcctttac tgagacgaga gcaacaagct ggccatgatg 2640
aaggtgttct ggatcgtctt gtggacagga gggaacggcc actagaaggt ggccgaacta 2700
attccaataa caacaacagc aatccatgtt cagaacaaga tgttcttgca cagggtgttc 2760
caagcacagc agcagatcct gggccatcaa agcccagaag agcacagagg cctaattctc 2820
tggatctttc agccacaaat gtcctggatg gcagcagtat acagataggt gagtcaacac 2880
aagatggcaa atcaggatca ggtgaaaaga tcaagaaacg tgtgaaaact ccctattctc 2940
ttaagcggtg gcgcccctcc acctgggtca tctccactga atcgctggac tgtgaagtca 3000
acaataatgg cagtaacagg gcagttcatt ccaaatccag cactgctgtt taccttgcag 3060
aaggaggcac tgctacaacc atggtgtcta aagatatagg aatgaactgt ctgtga 3116

Claims (4)

1.突变的家族遗传性肺动脉高压致病基因BMPR2,其特征在于,与野生型BMPR2基因编码DNA的参考序列相比,所述突变的家族遗传性肺动脉高压致病基因BMPR2的核苷酸序列为SEQ ID NO:7;在基因组位置chr2:203242231处,缺失碱基C;参考基因组版本是GRCh37。
2.根据权利要求1所述的突变的家族遗传性肺动脉高压致病基因BMPR2在制备家族遗传性肺动脉高压检测试剂盒中的应用。
3.根据权利要求2所述的应用,其特征在于,所述家族遗传性肺动脉高压检测试剂盒包括用于扩增致病基因BMPR2的引物,引物的序列为SEQ ID NO:5和SEQ ID NO:6。
4.根据权利要求3所述的应用,其特征在于,所述家族遗传性肺动脉高压检测试剂盒还包括Taq DNA聚合酶和PCR缓冲液。
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