中文版 | English
题名

Somatic mutations and progressive monosomy modify SAMD9-related phenotypes in humans

作者
通讯作者Achermann, John C.
发表日期
2017-05
DOI
发表期刊
ISSN
0021-9738
EISSN
1558-8238
卷号127期号:5页码:1700-1713
摘要

It is well established that somatic genomic changes can influence phenotypes in cancer, but the role of adaptive changes in developmental disorders is less well understood. Here we have used next-generation sequencing approaches to identify de novo heterozygous mutations in sterile alpha motif domain-containing protein 9 (SAMD9, located on chromosome 7q21.2) in 8 children with a multisystem disorder termed MIRAGE syndrome that is characterized by intrauterine growth restriction (IUGR) with gonadal, adrenal, and bone marrow failure, predisposition to infections, and high mortality. These mutations result in gain of function of the growth repressor product SAMD9. Progressive loss of mutated SAMD9 through the development of monosomy 7 (-7), deletions of 7q (7q-), and secondary somatic loss-of-function (nonsense and frameshift) mutations in SAMD9 rescued the growth-restricting effects of mutant SAMD9 proteins in bone marrow and was associated with increased length of survival. However, 2 patients with -7 and 7q-developed myelodysplastic syndrome, most likely due to haploinsufficiency of related 7q21.2 genes. Taken together, these findings provide strong evidence that progressive somatic changes can occur in specific tissues and can subsequently modify disease phenotype and influence survival. Such tissue-specific adaptability may be a more common mechanism modifying the expression of human genetic conditions than is currently recognized.

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语种
英语
重要成果
NI论文
学校署名
其他
资助项目
German Research Foundation (DFG)[KU2673/2-1]
WOS研究方向
Research & Experimental Medicine
WOS类目
Medicine, Research & Experimental
WOS记录号
WOS:000400381000015
出版者
ESI学科分类
CLINICAL MEDICINE
来源库
Web of Science
引用统计
被引频次[WOS]:120
成果类型期刊论文
条目标识符http://sustech.caswiz.com/handle/2SGJ60CL/28976
专题生命科学学院_生物系
前沿与交叉科学研究院
作者单位
1.UCL, Genet & Genom Med, Great Ormond St Inst Child Hlth, 30 Guilford St, London WC1N 1EH, England
2.Charite, Inst Expt Pediat Endocrinol, Berlin, Germany
3.Charite, Dept Pediat Endocrinol, Berlin, Germany
4.Charite, Dept Human & Med Genet, Berlin, Germany
5.Berlin Inst Hlth, Berlin, Germany
6.Charite, Berlin Brandenburg Ctr Regenerat Therapies, Berlin, Germany
7.Alder Hey Childrens NHS Fdn Trust, Dept Paediat Endocrinol, Liverpool, Merseyside, England
8.Northwick Pk Hosp & Clin Res Ctr, North West Thames Reg Genet Serv, Harrow, Middx, England
9.Univ Wales Hosp, Inst Med Genet, Cardiff, S Glam, Wales
10.Univ Sheffield, Acad Unit Child Hlth, Sheffield, S Yorkshire, England
11.Univ Queensland, Dept Endocrinol, Childrens Hlth Queensland Clin Unit, Brisbane, Qld, Australia
12.Univ Pisa, Dept Neonatol, Pisa, Italy
13.Univ Freiburg, Fac Med, Med Ctr Univ Freiburg, Dept Pediat & Adolescent Med,Div Pediat Hematol &, Freiburg, Germany
14.German Canc Consortium DKTK, Heidelberg, Germany
15.German Res Ctr DKFZ, Heidelberg, Germany
16.Max Delbruck Ctr Mol Med, Berlin, Germany
17.Alder Hey Childrens NHS Fdn Trust, Dept Paediat Histopathol, Liverpool, Merseyside, England
18.Great Ormond St Hosp Children NHS Fdn Trust, Histopathol Dept, London, England
19.Great Ormond St Hosp Children NHS Fdn Trust, North East Thames Reg Genet Lab Serv, London, England
20.UCL, Great Ormond St Inst Child Hlth, Dev Biol & Canc, London, England
21.Belfast City Hosp, Dept Med Genet, Belfast, Antrim, North Ireland
22.Southern Univ Sci & Technol, Dept Biol, Shenzhen, Guangdong, Peoples R China
23.Southern Univ Sci & Technol, Medi X Inst, SUSTech Acad Adv Interdisciplinary Studies, Shenzhen, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Buonocore, Federica,Kuehnen, Peter,Suntharalingham, Jenifer P.,et al. Somatic mutations and progressive monosomy modify SAMD9-related phenotypes in humans[J]. JOURNAL OF CLINICAL INVESTIGATION,2017,127(5):1700-1713.
APA
Buonocore, Federica.,Kuehnen, Peter.,Suntharalingham, Jenifer P..,Del Valle, Ignacio.,Digweed, Martin.,...&Achermann, John C..(2017).Somatic mutations and progressive monosomy modify SAMD9-related phenotypes in humans.JOURNAL OF CLINICAL INVESTIGATION,127(5),1700-1713.
MLA
Buonocore, Federica,et al."Somatic mutations and progressive monosomy modify SAMD9-related phenotypes in humans".JOURNAL OF CLINICAL INVESTIGATION 127.5(2017):1700-1713.
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