生物技术进展 ›› 2022, Vol. 12 ›› Issue (4): 591-599.DOI: 10.19586/j.2095-2341.2022.0128
宋燚1(), 贾思雨2, 武丽娜3, 张伟3, 欧晓娟3, 黄坚1(
)
收稿日期:
2022-06-28
接受日期:
2022-07-08
出版日期:
2022-07-25
发布日期:
2022-08-10
通讯作者:
黄坚
作者简介:
宋燚 E-mail: songmiaoxi@126.com;
基金资助:
Yi SONG1(), Siyu JIA2, Lina WU3, Wei ZHANG3, Xiaojuan OU3, Jian HUANG1(
)
Received:
2022-06-28
Accepted:
2022-07-08
Online:
2022-07-25
Published:
2022-08-10
Contact:
Jian HUANG
摘要:
为快速准确、低成本、高通量地检测我国人群常见的遗传性胆红素代谢障碍及胆汁淤积综合征,选择了10个易感基因的全部外显子及内含子剪切区的SNP/CNV,建立了基于二代测序技术(next generation sequencing, NGS)的靶向捕获测序方法。通过6例已知突变位点的样本对该方法的准确性进行验证,准确率为100%。收集首都医科大学附属北京友谊医院遗传性胆红素代谢障碍及胆汁淤积综合征患者39例进行检测,共检测到58种突变。检测结果与HGMD、ClinVar、OMIM突变数据库比较,未报道的突变通过千人基因组数据集对比并按照哈温平衡检验(HWE_P>0.05)和χ2 检验确定新突变19种。检测到的不同突变类型有效地揭示了该类疾病的遗传多样性。NGS方法的建立及应用为临床诊断提供了新的技术手段。
中图分类号:
宋燚, 贾思雨, 武丽娜, 张伟, 欧晓娟, 黄坚. 遗传性胆红素代谢障碍与胆汁淤积NGS方法的建立及应用[J]. 生物技术进展, 2022, 12(4): 591-599.
Yi SONG, Siyu JIA, Lina WU, Wei ZHANG, Xiaojuan OU, Jian HUANG. Establishment and Application of NGS Method for Inherited Disorders of Hyperbilirubinemia and Cholestasis[J]. Current Biotechnology, 2022, 12(4): 591-599.
易感基因 | 疾病信息 | 目标区域类型 | 起始位置 | 终止位置 | 目标区域探针个数 |
---|---|---|---|---|---|
ATP8B1 | 良性复发型肝内胆汁淤积,进行性家族性肝内胆汁淤积症1型 | CDS+splice region | 55315698 | 55399065 | 136 |
ABCB11 | 进行性家族性肝内胆汁淤积症2型 | CDS+splice region | 169780116 | 169874654 | 124 |
ABCB4 | 进行性家族性肝内胆汁淤积症 3型 | CDS+splice region | 87031398 | 87104818 | 149 |
UGT1A1 | Gilbert综合征和Crigler-Najjar综合征 | CDS+splice region | 234668914 | 234681236 | 54 |
JAG1 | Alagille综合征 | CDS+splice region | 10620125 | 10654270 | 148 |
ABCC2 | Dubin-Johnson综合征 | CDS+splice region | 101542567 | 101611439 | 165 |
SLCO1B1 | Rotor综合征 | CDS+splice region | 21294434 | 21392178 | 87 |
SLCO1B3 | Rotor综合征 | CDS+splice region | 20968592 | 21069206 | 95 |
SLC25A13 | Citrin 缺乏症 | CDS+splice region | 95750479 | 95951328 | 82 |
SERPINA1 | α1-抗胰蛋白酶缺乏症 | CDS+splice region | 94844765 | 94849630 | 44 |
表1 检测的基因及区域
Table 1 The target genes and their regions
易感基因 | 疾病信息 | 目标区域类型 | 起始位置 | 终止位置 | 目标区域探针个数 |
---|---|---|---|---|---|
ATP8B1 | 良性复发型肝内胆汁淤积,进行性家族性肝内胆汁淤积症1型 | CDS+splice region | 55315698 | 55399065 | 136 |
ABCB11 | 进行性家族性肝内胆汁淤积症2型 | CDS+splice region | 169780116 | 169874654 | 124 |
ABCB4 | 进行性家族性肝内胆汁淤积症 3型 | CDS+splice region | 87031398 | 87104818 | 149 |
UGT1A1 | Gilbert综合征和Crigler-Najjar综合征 | CDS+splice region | 234668914 | 234681236 | 54 |
JAG1 | Alagille综合征 | CDS+splice region | 10620125 | 10654270 | 148 |
ABCC2 | Dubin-Johnson综合征 | CDS+splice region | 101542567 | 101611439 | 165 |
SLCO1B1 | Rotor综合征 | CDS+splice region | 21294434 | 21392178 | 87 |
SLCO1B3 | Rotor综合征 | CDS+splice region | 20968592 | 21069206 | 95 |
SLC25A13 | Citrin 缺乏症 | CDS+splice region | 95750479 | 95951328 | 82 |
SERPINA1 | α1-抗胰蛋白酶缺乏症 | CDS+splice region | 94844765 | 94849630 | 44 |
图1 6例DJS样本片段化基因组DNA安捷伦2100检测图A: 6例DJS样本基因组DNA断裂片分布;B:6例DJS样本Agilent DNA 1000进行切口平移片段的长度测定
Fig.1 Fragment genomic DNA of six DJS samples using Agilent 2100
项目 | 测量值 |
---|---|
平均总得率/Mb | 208.12 |
平均总读长/bp | 149 |
平均碱基质量 | 36.4 |
平均 Q30 碱基数百分比/% | 96.07 |
平均 Q20 碱基数百分比/% | 98.47 |
平均总基因组比对后碱基数/Mb | 198.52 |
平均基因组比对率/% | 99.63 |
比对到目标区域上的碱基数/Mb | 181.8 |
比对到目标上的平均比例/% | 99.31 |
平均30X覆盖度 | 100 |
平均碱基捕获率 | 86.34 |
目标区域平均深度(以总目标区域为分母) | 184.2 |
表2 高通量测序质控数据统计
Table 2 Statistics of quality control data of next-generation sequencing
项目 | 测量值 |
---|---|
平均总得率/Mb | 208.12 |
平均总读长/bp | 149 |
平均碱基质量 | 36.4 |
平均 Q30 碱基数百分比/% | 96.07 |
平均 Q20 碱基数百分比/% | 98.47 |
平均总基因组比对后碱基数/Mb | 198.52 |
平均基因组比对率/% | 99.63 |
比对到目标区域上的碱基数/Mb | 181.8 |
比对到目标上的平均比例/% | 99.31 |
平均30X覆盖度 | 100 |
平均碱基捕获率 | 86.34 |
目标区域平均深度(以总目标区域为分母) | 184.2 |
易感基因 | 染色体定位 | 突变形式 | 突变类型 | 该突变/总例数 | 正常人中频率 |
---|---|---|---|---|---|
ATP8B1 | chr18:55342156 | c.1729A>G(p.I577V) | 错义突变 | 1/39(0.026) | 0.005 |
chr18:55336626 | c.2021T>C(p.M674T) | 错义突变 | 1/39(0.026) | 0.005 | |
chr18:55362421 | c.922G>A(p.G308S) | 错义突变 | 1/39(0.026) | 4.061e-06 | |
chr18:55317591 | c.3531+8G>T | 剪接突变 | 3/39(0.0769) | 4.0e-06 | |
ABCB11 | chr2:169830328 | c.1331T>C.(p.V444A) | 错义突变 | 16/39(0.410) | 0.569 |
chr2:169801131 | c.2594C>T(p.A865V) | 错义突变 | 2/39(0.051) | 0.001 | |
chr2:169851971 | c.499G>A(p.A167T) | 错义突变 | 1/39(0.026) | 8.186e-06 | |
chr2:169814596 | c.2221G>A(p.V741I) | 错义突变 | 1/39(0.026) | 8.173e-06 | |
chr2:169820817 | c.2077G>C(p.A693P) | 错义突变 | 1/39(0.026) | 1.792e-05 | |
ABCB4 | chr7:87069639 | c.1436C>T(p.P479L) | 错义突变 | 1/39(0.026) | 8.13e-06 |
chr7:87056178 | c.1952C>A(p.T651N) | 错义突变 | 1/39(0.026) | 0.001 | |
chr7:87056176 | c.1954A>G(p.R652G) | 错义突变 | 1/39(0.026) | 0.099 | |
UGT1A1 | chr2:234669144 | c.211G>A(p.G71R) | 错义突变 | 15/39(0.385) | 0.022 |
chr2:234669268 | c.335C>G(p.T112R) | 错义突变 | 1/39(0.026) | 1.625e-05 | |
chr2:234676979 | c.1198A>C(p.N400H) | 错义突变 | 1/39(0.026) | 4.102e-06 | |
chr2:234681059 | c.1456T>G(p.Y486D) | 错义突变 | 4/39(0.103) | 0.000 2 | |
chr2:234676872 | c.1082C>T(p.P364L) | 错义突变 | 4/39(0.103) | 0.001 | |
JAG1 | chr20:10639284 | c.526G>A(p.V176I) | 错义突变 | 2/39(0.0513) | |
chr20:10622501 | c.2612C>G(p.P871R) | 错义突变 | 1/39(0.026) | 0.064 | |
ABCC2 | chr10:101572833 | c.2026G>C(p.G676R) | 错义突变 | 1/39(0.026) | 1.5e-05 |
chr10:101571331 | c.1939G>T(p.E647X) | 翻译终止 | 1/39(0.026) | 4.067e-06 | |
chr10:101578849 | c.2443C>T(p.R815X) | 翻译终止 | 2/39(0.051) | 3.657e-05 | |
chr10:101603639 | c.3825C>G(p.Y1275X) | 翻译终止 | 1/39(0.026) | 6.497e-05 | |
SLCO1B1 | chr12:21375289 | c.1738C>T(p.R580X) | 翻译终止 | 4/39(0.103) | 0.002 |
chr12:21329738 | c.388A>G(p.N130D) | 错义突变 | 17/39(0.436) | 0.472 | |
chr12:21331549 | c.521T>C(p.V174A) | 错义突变 | 8/39(0.205) | 0.133 | |
chr12:21329802 | c.452A>G(p.N151S) | 错义突变 | 1/39(0.026) | 0.000 3 | |
chr12:21327652 | c.359+9_359+10insA | 剪接突变 | 4/39(0.103) | 4.0e-06 | |
SLCO1B3 | chr12:21011480 | c.334T>G(p.S84A) | 错义突变 | 18/39(0.462) | 0.809 4 |
chr12:20968666-chr12:20968669 | c.-7_-4del | 剪接突变 | 1/39(0.026) | 2.1e-04 | |
chr12:21015760 | c.699G>A(p.M205I) | 错义突变 | 18/39(0.462) | 0.809 | |
chr12:21015372-21015373 | c.508_509del(p.M142fs) | 移码突变 | 1/39(0.026) | 3.659e-05 | |
chr12:21011481 | c.335C>A(p.S84Y) | 错义突变 | 4/39(0.103) | 0.001 | |
chr12:21013948 | c.360-3C>T | 剪接突变 | 6/39(0.1538) | 0.002 3 | |
SERPINA1 | chr14:94844843 | c.1200A>C(p.E400D) | 错义突变 | 10/39(0.256) | 0.278 0 |
chr14:94849201 | c.374G>A(p.R125H) | 错义突变 | 4/39(0.103) | 0.160 | |
chr14:94847415 | c.710T>C(p.V237A) | 错义突变 | 1/39(0.026) | 0.209 | |
chr14:94844968 | c.1075A>G(p.K359E) | 错义突变 | 1/39(0.026) | 0.0001 | |
SLC25A13 | chr7:95864108 | c.328+6A>G | 剪接突变 | 7/39(0.179) | 0.258 |
表3 39例遗传性胆红素代谢障碍及胆汁淤积综合征患者已报道突变
Table 3 Mutations have been reported in 39 patients with abnormal bilirubin metabolism and cholestasis
易感基因 | 染色体定位 | 突变形式 | 突变类型 | 该突变/总例数 | 正常人中频率 |
---|---|---|---|---|---|
ATP8B1 | chr18:55342156 | c.1729A>G(p.I577V) | 错义突变 | 1/39(0.026) | 0.005 |
chr18:55336626 | c.2021T>C(p.M674T) | 错义突变 | 1/39(0.026) | 0.005 | |
chr18:55362421 | c.922G>A(p.G308S) | 错义突变 | 1/39(0.026) | 4.061e-06 | |
chr18:55317591 | c.3531+8G>T | 剪接突变 | 3/39(0.0769) | 4.0e-06 | |
ABCB11 | chr2:169830328 | c.1331T>C.(p.V444A) | 错义突变 | 16/39(0.410) | 0.569 |
chr2:169801131 | c.2594C>T(p.A865V) | 错义突变 | 2/39(0.051) | 0.001 | |
chr2:169851971 | c.499G>A(p.A167T) | 错义突变 | 1/39(0.026) | 8.186e-06 | |
chr2:169814596 | c.2221G>A(p.V741I) | 错义突变 | 1/39(0.026) | 8.173e-06 | |
chr2:169820817 | c.2077G>C(p.A693P) | 错义突变 | 1/39(0.026) | 1.792e-05 | |
ABCB4 | chr7:87069639 | c.1436C>T(p.P479L) | 错义突变 | 1/39(0.026) | 8.13e-06 |
chr7:87056178 | c.1952C>A(p.T651N) | 错义突变 | 1/39(0.026) | 0.001 | |
chr7:87056176 | c.1954A>G(p.R652G) | 错义突变 | 1/39(0.026) | 0.099 | |
UGT1A1 | chr2:234669144 | c.211G>A(p.G71R) | 错义突变 | 15/39(0.385) | 0.022 |
chr2:234669268 | c.335C>G(p.T112R) | 错义突变 | 1/39(0.026) | 1.625e-05 | |
chr2:234676979 | c.1198A>C(p.N400H) | 错义突变 | 1/39(0.026) | 4.102e-06 | |
chr2:234681059 | c.1456T>G(p.Y486D) | 错义突变 | 4/39(0.103) | 0.000 2 | |
chr2:234676872 | c.1082C>T(p.P364L) | 错义突变 | 4/39(0.103) | 0.001 | |
JAG1 | chr20:10639284 | c.526G>A(p.V176I) | 错义突变 | 2/39(0.0513) | |
chr20:10622501 | c.2612C>G(p.P871R) | 错义突变 | 1/39(0.026) | 0.064 | |
ABCC2 | chr10:101572833 | c.2026G>C(p.G676R) | 错义突变 | 1/39(0.026) | 1.5e-05 |
chr10:101571331 | c.1939G>T(p.E647X) | 翻译终止 | 1/39(0.026) | 4.067e-06 | |
chr10:101578849 | c.2443C>T(p.R815X) | 翻译终止 | 2/39(0.051) | 3.657e-05 | |
chr10:101603639 | c.3825C>G(p.Y1275X) | 翻译终止 | 1/39(0.026) | 6.497e-05 | |
SLCO1B1 | chr12:21375289 | c.1738C>T(p.R580X) | 翻译终止 | 4/39(0.103) | 0.002 |
chr12:21329738 | c.388A>G(p.N130D) | 错义突变 | 17/39(0.436) | 0.472 | |
chr12:21331549 | c.521T>C(p.V174A) | 错义突变 | 8/39(0.205) | 0.133 | |
chr12:21329802 | c.452A>G(p.N151S) | 错义突变 | 1/39(0.026) | 0.000 3 | |
chr12:21327652 | c.359+9_359+10insA | 剪接突变 | 4/39(0.103) | 4.0e-06 | |
SLCO1B3 | chr12:21011480 | c.334T>G(p.S84A) | 错义突变 | 18/39(0.462) | 0.809 4 |
chr12:20968666-chr12:20968669 | c.-7_-4del | 剪接突变 | 1/39(0.026) | 2.1e-04 | |
chr12:21015760 | c.699G>A(p.M205I) | 错义突变 | 18/39(0.462) | 0.809 | |
chr12:21015372-21015373 | c.508_509del(p.M142fs) | 移码突变 | 1/39(0.026) | 3.659e-05 | |
chr12:21011481 | c.335C>A(p.S84Y) | 错义突变 | 4/39(0.103) | 0.001 | |
chr12:21013948 | c.360-3C>T | 剪接突变 | 6/39(0.1538) | 0.002 3 | |
SERPINA1 | chr14:94844843 | c.1200A>C(p.E400D) | 错义突变 | 10/39(0.256) | 0.278 0 |
chr14:94849201 | c.374G>A(p.R125H) | 错义突变 | 4/39(0.103) | 0.160 | |
chr14:94847415 | c.710T>C(p.V237A) | 错义突变 | 1/39(0.026) | 0.209 | |
chr14:94844968 | c.1075A>G(p.K359E) | 错义突变 | 1/39(0.026) | 0.0001 | |
SLC25A13 | chr7:95864108 | c.328+6A>G | 剪接突变 | 7/39(0.179) | 0.258 |
易感基因 | 染色体定位 | 突变形式 | 突变类型 |
---|---|---|---|
ATP8B1 | chr18:55328438 | c.2675G>A(p.G892E) | 错义突变 |
ABCB11 | chr2:169825967 | c.1904T>A(p.V635E) | 错义突变 |
chr2:169788962 | c.3138A>G(p.I1046M) | 错义突变 | |
ABCB4 | chr7:87069062 | c.1652C>T(p.P551L) | 错义突变 |
chr7:87046787 | c.2523C>A(p.N841K) | 错义突变 | |
UGT1A1 | chr2:234669301 | c.368T>G(p.L123R) | 错义突变 |
chr2:234680996 | c.1393_1394insTGA:p.V465delinsVM | 非移码插入 | |
chr2:234676937 | c.1156G>T(p.V386F) | 错义突变 | |
ABCC2 | chr10:101571317 | c.1926del:p.(Ala642Alafs*16) | 移码突变 |
chr10:101578706 | c.2433del:p.(Lys811Lysfs*22) | 移码突变 | |
chr10:101595969 | c.3536del:p.(Gln1179Argfs*5) | 移码突变 | |
chr10:101591889-101591889 | c.3258+1G>A | 剪接突变 | |
chr10:101557089 | c.867+1_867+2ins | 剪接突变 | |
chr10:101572870 | c.2063T>C(p.M688T) | 错义突变 | |
chr10:101578592 | c.2317A>G(p.R773G) | 错义突变 | |
SLCO1B1 | chr12:21032460 | c.1226A>G:p.(Lys409Arg) | 错义突变 |
SLCO1B3 | chr12:21033881 | c.1424G>A(p.G475E) | 错义突变 |
SLC25A13 | chr7:95822344 | c.615+5G>A | 剪接突变 |
chr7:95818885 | c.848+8G>T | 剪接突变 |
表4 39例遗传性胆红素代谢障碍及胆汁淤积综合征患者新突变
Table 4 The new mutations in 39 patients with abnormal bilirubin metabolism and cholestasis
易感基因 | 染色体定位 | 突变形式 | 突变类型 |
---|---|---|---|
ATP8B1 | chr18:55328438 | c.2675G>A(p.G892E) | 错义突变 |
ABCB11 | chr2:169825967 | c.1904T>A(p.V635E) | 错义突变 |
chr2:169788962 | c.3138A>G(p.I1046M) | 错义突变 | |
ABCB4 | chr7:87069062 | c.1652C>T(p.P551L) | 错义突变 |
chr7:87046787 | c.2523C>A(p.N841K) | 错义突变 | |
UGT1A1 | chr2:234669301 | c.368T>G(p.L123R) | 错义突变 |
chr2:234680996 | c.1393_1394insTGA:p.V465delinsVM | 非移码插入 | |
chr2:234676937 | c.1156G>T(p.V386F) | 错义突变 | |
ABCC2 | chr10:101571317 | c.1926del:p.(Ala642Alafs*16) | 移码突变 |
chr10:101578706 | c.2433del:p.(Lys811Lysfs*22) | 移码突变 | |
chr10:101595969 | c.3536del:p.(Gln1179Argfs*5) | 移码突变 | |
chr10:101591889-101591889 | c.3258+1G>A | 剪接突变 | |
chr10:101557089 | c.867+1_867+2ins | 剪接突变 | |
chr10:101572870 | c.2063T>C(p.M688T) | 错义突变 | |
chr10:101578592 | c.2317A>G(p.R773G) | 错义突变 | |
SLCO1B1 | chr12:21032460 | c.1226A>G:p.(Lys409Arg) | 错义突变 |
SLCO1B3 | chr12:21033881 | c.1424G>A(p.G475E) | 错义突变 |
SLC25A13 | chr7:95822344 | c.615+5G>A | 剪接突变 |
chr7:95818885 | c.848+8G>T | 剪接突变 |
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