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颅面增强子变异与非综合征性唇腭裂相关的证据。

Evidence for craniofacial enhancer variation underlying nonsyndromic cleft lip and palate.

机构信息

Department of Pediatrics, UTHealth McGovern Medical School, Houston, TX, 77030, USA.

Pediatric Research Center, UTHealth McGovern Medical School, Houston, TX, 77030, USA.

出版信息

Hum Genet. 2020 Oct;139(10):1261-1272. doi: 10.1007/s00439-020-02169-9. Epub 2020 Apr 21.


DOI:10.1007/s00439-020-02169-9
PMID:32318854
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7487053/
Abstract

Nonsyndromic cleft lip with or without cleft palate (NSCLP) is a common birth defect for which only ~ 20% of the underlying genetic variation has been identified. Variants in noncoding regions have been increasingly suggested to contribute to the missing heritability. In this study, we investigated whether variation in craniofacial enhancers contributes to NSCLP. Candidate enhancers were identified using VISTA Enhancer Browser and previous publications. Prioritization was based on patterning defects in knockout mice, deletion/duplication of craniofacial genes in animal models and results of whole exome/whole genome sequencing studies. This resulted in 20 craniofacial enhancers to be investigated. Custom amplicon-based sequencing probes were designed and used for sequencing 380 NSCLP probands (from multiplex and simplex families of non-Hispanic white (NHW) and Hispanic ethnicities) using Illumina MiSeq. The frequencies of identified variants were compared to ethnically matched European (CEU) and Los Angeles Mexican (MXL) control genomes and used for association analyses. Variants in mm427/MSX1 and hs1582/SPRY1 showed genome-wide significant association with NSCLP (p ≤ 6.4 × 10). In silico analysis showed that these enhancer variants may disrupt important transcription factor binding sites. Haplotypes involving these enhancers and also mm435/ABCA4 were significantly associated with NSCLP, especially in NHW (p ≤ 6.3 × 10). Importantly, groupwise burden analysis showed several enhancer combinations significantly over-represented in NSCLP individuals, revealing novel NSCLP pathways and supporting a polygenic inheritance model. Our findings support the role of craniofacial enhancer sequence variation in the etiology of NSCLP.

摘要

非综合征性唇裂伴或不伴腭裂(NSCLP)是一种常见的出生缺陷,其潜在遗传变异仅有约 20%得到鉴定。越来越多的证据表明,非编码区的变异可能导致遗传缺失。在这项研究中,我们研究了颅面增强子的变异是否会导致 NSCLP。候选增强子是通过 VISTA Enhancer Browser 和以前的出版物鉴定的。基于基因敲除小鼠的形态缺陷、动物模型中颅面基因的缺失/重复以及外显子组/全基因组测序研究的结果对候选增强子进行了优先级排序。这导致了 20 个颅面增强子被纳入研究。设计了定制的基于扩增子的测序探针,用于对 380 名 NSCLP 先证者(来自非西班牙裔白人(NHW)和西班牙裔的多重和单倍家庭)进行测序,使用的是 Illumina MiSeq。鉴定的变异的频率与种族匹配的欧洲(CEU)和洛杉矶墨西哥裔(MXL)对照基因组进行比较,并用于关联分析。mm427/MSX1 和 hs1582/SPRY1 中的变异与 NSCLP 存在全基因组显著关联(p≤6.4×10)。计算机分析表明,这些增强子变异可能破坏了重要的转录因子结合位点。涉及这些增强子以及 mm435/ABCA4 的单倍型与 NSCLP 显著相关,尤其是在 NHW 中(p≤6.3×10)。重要的是,分组负担分析显示,在 NSCLP 个体中,几种增强子组合显著过表达,揭示了新的 NSCLP 途径,并支持多基因遗传模型。我们的研究结果支持颅面增强子序列变异在 NSCLP 发病机制中的作用。

相似文献

[1]
Evidence for craniofacial enhancer variation underlying nonsyndromic cleft lip and palate.

Hum Genet. 2020-4-21

[2]
Association of IFT88 gene variants with nonsyndromic cleft lip with or without cleft palate.

Birth Defects Res. 2019-4-5

[3]
Further evidence suggesting a role for variation in ARHGAP29 variants in nonsyndromic cleft lip/palate.

Birth Defects Res A Clin Mol Teratol. 2014-9

[4]
Association of candidate genes with nonsyndromic clefts in Honduran and Colombian populations.

Laryngoscope. 2012-7-2

[5]
Nonsyndromic cleft lip and palate: CRISPLD genes and the folate gene pathway connection.

Birth Defects Res A Clin Mol Teratol. 2011-1

[6]
Using Whole Exome Sequencing to Identify Candidate Genes With Rare Variants In Nonsyndromic Cleft Lip and Palate.

Genet Epidemiol. 2016-7

[7]
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Birth Defects Res A Clin Mol Teratol. 2011-1

[8]
PBX-WNT-P63-IRF6 pathway in nonsyndromic cleft lip and palate.

Birth Defects Res. 2020-2-1

[9]
Parent-of-origin effects for MSX1 in a Chilean population with nonsyndromic cleft lip/palate.

Am J Med Genet A. 2010-8

[10]
Copy Number Changes Identified Using Whole Exome Sequencing in Nonsyndromic Cleft Lip and Palate in a Honduran Population.

Birth Defects Res. 2017-7-27

引用本文的文献

[1]
[Single nucleotide polymorphism heritability of non-syndromic cleft lip with or without cleft palate in Chinese population].

Beijing Da Xue Xue Bao Yi Xue Ban. 2024-10-18

[2]
Dynamic enhancer landscapes in human craniofacial development.

Nat Commun. 2024-3-6

[3]
Prioritization of non-coding elements involved in non-syndromic cleft lip with/without cleft palate through genome-wide analysis of mutations.

HGG Adv. 2023-1-12

[4]
DNA Methylation Variation Is Identified in Monozygotic Twins Discordant for Non-syndromic Cleft Lip and Palate.

Front Cell Dev Biol. 2021-5-12

本文引用的文献

[1]
Association of IFT88 gene variants with nonsyndromic cleft lip with or without cleft palate.

Birth Defects Res. 2019-4-5

[2]
Association of low-frequency genetic variants in regulatory regions with nonsyndromic orofacial clefts.

Am J Med Genet A. 2018-12-24

[3]
Systems genetics of nonsyndromic orofacial clefting provides insights into its complex aetiology.

Eur J Hum Genet. 2018-9-25

[4]
Predict effective drug combination by deep belief network and ontology fingerprints.

J Biomed Inform. 2018-8-3

[5]
High-Resolution Epigenomic Atlas of Human Embryonic Craniofacial Development.

Cell Rep. 2018-5-1

[6]
Ultraconserved Enhancers Are Required for Normal Development.

Cell. 2018-1-18

[7]
Genetic variants of microRNA processing genes and risk of non-syndromic orofacial clefts.

Oral Dis. 2017-9-18

[8]
Intercellular Genetic Interaction Between Irf6 and Twist1 during Craniofacial Development.

Sci Rep. 2017-8-2

[9]
BMP4 rs17563 polymorphism and nonsyndromic cleft lip with or without cleft palate: A meta-analysis.

Medicine (Baltimore). 2017-8

[10]
The Role of Noncoding Genetic Variation in Isolated Orofacial Clefts.

J Dent Res. 2017-10

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