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双等位基因EFL1变异导致的舒-戴综合征,在婴儿早期临床病程复杂且致命。

Shwachman-Diamond syndrome due to biallelic EFL1 variants with complex and fatal clinical course in early infancy.

作者信息

Cario Holger, Bertrand Alexis, Tan Shengjiang, Auber Bernd, Erlacher Miriam, Mair Eva-Maria, von Hardenberg Sandra, Lebrecht Dirk, Revy Patrick, Warren Alan J

机构信息

Department of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, Germany.

Center for Rare Hematopoietic Disorders and Immunodeficiencies (ZSHI), Rare Disease Center, University Medical Center Ulm, Ulm, Germany.

出版信息

Br J Haematol. 2024 Dec;205(6):2363-2369. doi: 10.1111/bjh.19793. Epub 2024 Oct 8.

DOI:10.1111/bjh.19793
PMID:39379149
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11637716/
Abstract

Shwachman-Diamond syndrome represents a clinically and genetically heterogeneous disorder. We report on an infant with a very severe, fatal clinical course caused by biallelic EFL1 variants: c.89A>G, p.(His30Arg), and c.2599A>G, p.(Asn867Asp). Functional analysis of patient-derived B-lymphoblastoid and SV40-transformed fibroblast cell lines suggests that the compound heterozygous EFL1 variants impaired mature ribosome formation leading to compromised protein synthesis, ultimately resulting in a severe form of Shwachman-Diamond syndrome.

摘要

施瓦赫曼-戴蒙德综合征是一种临床和遗传上均具有异质性的疾病。我们报告了一名患有由双等位基因EFL1变异(c.89A>G,p.(His30Arg)和c.2599A>G,p.(Asn867Asp))导致的极其严重、致命临床病程的婴儿。对患者来源的B淋巴母细胞和SV40转化的成纤维细胞系进行功能分析表明,复合杂合EFL1变异损害了成熟核糖体的形成,导致蛋白质合成受损,最终导致严重形式的施瓦赫曼-戴蒙德综合征。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be4f/11637716/0b2d67fa05d5/BJH-205-2363-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be4f/11637716/0b2d67fa05d5/BJH-205-2363-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/be4f/11637716/0b2d67fa05d5/BJH-205-2363-g001.jpg

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本文引用的文献

1
Clinical features, epidemiology, and treatment of Shwachman-Diamond syndrome: a systematic review.Shwachman-Diamond 综合征的临床特征、流行病学和治疗:系统评价。
BMC Pediatr. 2023 Oct 6;23(1):503. doi: 10.1186/s12887-023-04324-3.
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Shwachman-Diamond syndromes: clinical, genetic, and biochemical insights from the rare variants.Shwachman-Diamond 综合征:罕见变异的临床、遗传和生化见解。
Haematologica. 2023 Oct 1;108(10):2594-2605. doi: 10.3324/haematol.2023.282949.
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Shwachman Diamond syndrome: narrow genotypic spectrum and variable clinical features.
Shwachman-Diamond 综合征:狭窄的基因型谱和多变的临床特征。
Pediatr Res. 2022 Dec;92(6):1671-1680. doi: 10.1038/s41390-022-02009-8. Epub 2022 Mar 23.
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Highly accurate protein structure prediction with AlphaFold.利用 AlphaFold 进行高精度蛋白质结构预测。
Nature. 2021 Aug;596(7873):583-589. doi: 10.1038/s41586-021-03819-2. Epub 2021 Jul 15.
5
Somatic uniparental disomy mitigates the most damaging EFL1 allele combination in Shwachman-Diamond syndrome.体细胞单亲二体性减轻 Shwachman-Diamond 综合征中最具破坏性的 EFL1 等位基因组合。
Blood. 2021 Nov 25;138(21):2117-2128. doi: 10.1182/blood.2021010913.
6
MobiDetails: online DNA variants interpretation.MobiDetails:在线 DNA 变异解读。
Eur J Hum Genet. 2021 Feb;29(2):356-360. doi: 10.1038/s41431-020-00755-z. Epub 2020 Nov 7.
7
Somatic genetic rescue in Mendelian haematopoietic diseases.孟德尔血液系统疾病中的体基因治疗。
Nat Rev Genet. 2019 Oct;20(10):582-598. doi: 10.1038/s41576-019-0139-x. Epub 2019 Jun 11.
8
EFL1 mutations impair eIF6 release to cause Shwachman-Diamond syndrome.EFL1 突变会影响 eIF6 的释放,从而导致 Shwachman-Diamond 综合征。
Blood. 2019 Jul 18;134(3):277-290. doi: 10.1182/blood.2018893404. Epub 2019 May 31.
9
Further evidence for the involvement of in a Shwachman-Diamond-like syndrome and expansion of the phenotypic features.参与类施瓦赫曼-戴蒙德综合征及表型特征扩展的进一步证据。
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Mutations in signal recognition particle SRP54 cause syndromic neutropenia with Shwachman-Diamond-like features.信号识别颗粒SRP54中的突变会导致具有类施瓦茨曼-戴蒙德特征的综合征性中性粒细胞减少症。
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