在一名波兰综合征男孩中发现一种新的SFMBT1致病变异

IF 1.8 Q3 MEDICINE, RESEARCH & EXPERIMENTAL Cold Spring Harbor Molecular Case Studies Pub Date : 2022-04-01 DOI:10.1101/mcs.a006168
Andri Miltiadous, P. Demetriou, M. Kyriakou, P. Gerasimou, George Herodotou, Agathi Elpidoforou, Yiannos Kyprianou, M. Iacovou, J. Chi, P. Costeas, G. Tanteles
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引用次数: 0

摘要

波兰综合征是一种罕见的发育障碍,其特征是单侧,完全或部分缺少胸大肌(通常是小肌),并伴有同侧手畸形。迄今为止,没有明确的遗传原因与波兰综合症有关,尽管有家族病例的报道。我们报道了一名14岁波兰综合征男孩的三外显子组调查和SFMBT1基因杂合新生致病变异的鉴定,SFMBT1基因是一种与发育过程中转录抑制相关的转录因子。我们进一步通过cDNA测序和western blot分析证明,该变异导致SFMBT1外显子10跳变和SFMBT1野生型蛋白浓度降低。据我们所知,与这种疾病相关的杂合致病性SFMBT1变异是新的,因为在其他文献中没有描述过,它可以纳入有限的已发表的报告病例。
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A de novo SFMBT1 pathogenic variant identified in a boy with Poland syndrome
Poland syndrome is a rare developmental disorder characterized by unilateral, complete or partial, absence of the pectoralis major (and often minor) muscle, accompanied with ipsilateral hand malformations. To date, no clear genetic cause has been associated with Poland syndrome, although familial cases have been reported. We report the employment of trio exome investigation and the identification of a heterozygous de novo pathogenic variant in the SFMBT1 gene, a transcription factor associated with transcriptional repression during development, in a 14-yr-old boy with Poland syndrome. We further demonstrate by means of cDNA sequencing and western blot analysis that this variant results in SFMBT1 exon 10 skipping and a lower concentration of the SFMBT1 wild-type protein. To our knowledge, the heterozygous pathogenic SFMBT1 variant identified in association with this condition is novel as it has not been elsewhere described in the literature and it can be incorporated to the limited reported cases published.
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来源期刊
Cold Spring Harbor Molecular Case Studies
Cold Spring Harbor Molecular Case Studies MEDICINE, RESEARCH & EXPERIMENTAL-
CiteScore
3.20
自引率
0.00%
发文量
54
期刊介绍: Cold Spring Harbor Molecular Case Studies is an open-access, peer-reviewed, international journal in the field of precision medicine. Articles in the journal present genomic and molecular analyses of individuals or cohorts alongside their clinical presentations and phenotypic information. The journal''s purpose is to rapidly share insights into disease development and treatment gained by application of genomics, proteomics, metabolomics, biomarker analysis, and other approaches. The journal covers the fields of cancer, complex diseases, monogenic disorders, neurological conditions, orphan diseases, infectious disease, gene therapy, and pharmacogenomics. It has a rapid peer-review process that is based on technical evaluation of the analyses performed, not the novelty of findings, and offers a swift, clear path to publication. The journal publishes: Research Reports presenting detailed case studies of individuals and small cohorts, Research Articles describing more extensive work using larger cohorts and/or functional analyses, Rapid Communications presenting the discovery of a novel variant and/or novel phenotype associated with a known disease gene, Rapid Cancer Communications presenting the discovery of a novel variant or combination of variants in a cancer type, Variant Discrepancy Resolution describing efforts to resolve differences or update variant interpretations in ClinVar through case-level data sharing, Follow-up Reports linked to previous observations, Plus Review Articles, Editorials, and Position Statements on best practices for research in precision medicine.
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