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Profiling of Conserved Non-coding Elements Upstream of SHOX and Functional Characterisation of the SHOX Cis-regulatory Landscape

Overview
Journal Sci Rep
Specialty Science
Date 2015 Dec 4
PMID 26631348
Citations 13
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Abstract

Genetic defects such as copy number variations (CNVs) in non-coding regions containing conserved non-coding elements (CNEs) outside the transcription unit of their target gene, can underlie genetic disease. An example of this is the short stature homeobox (SHOX) gene, regulated by seven CNEs located downstream and upstream of SHOX, with proven enhancer capacity in chicken limbs. CNVs of the downstream CNEs have been reported in many idiopathic short stature (ISS) cases, however, only recently have a few CNVs of the upstream enhancers been identified. Here, we set out to provide insight into: (i) the cis-regulatory role of these upstream CNEs in human cells, (ii) the prevalence of upstream CNVs in ISS, and (iii) the chromatin architecture of the SHOX cis-regulatory landscape in chicken and human cells. Firstly, luciferase assays in human U2OS cells, and 4C-seq both in chicken limb buds and human U2OS cells, demonstrated cis-regulatory enhancer capacities of the upstream CNEs. Secondly, CNVs of these upstream CNEs were found in three of 501 ISS patients. Finally, our 4C-seq interaction map of the SHOX region reveals a cis-regulatory domain spanning more than 1 Mb and harbouring putative new cis-regulatory elements.

Citing Articles

Copy number variations residing outside the SHOX enhancer region are involved in Short Stature and Léri-Weill dyschondrosteosis.

Fanelli A, Vannelli S, Babu D, Mellone S, Cucci A, Monzani A Mol Genet Genomic Med. 2021; 10(1):e1793.

PMID: 34811950 PMC: 8801136. DOI: 10.1002/mgg3.1793.


Identification and Tissue-Specific Characterization of Novel SHOX-Regulated Genes in Zebrafish Highlights SOX Family Members Among Other Genes.

Hoffmann S, Roeth R, Diebold S, Gogel J, Hassel D, Just S Front Genet. 2021; 12:688808.

PMID: 34122528 PMC: 8191631. DOI: 10.3389/fgene.2021.688808.


Detection of Gene Variations in Patients with Skeletal Abnormalities with or without Short Stature.

Gursoy S, Hazan F, Aykut A, Nalbantoglu O, Korkmaz H, Demir K J Clin Res Pediatr Endocrinol. 2020; 12(4):358-365.

PMID: 32295321 PMC: 7711637. DOI: 10.4274/jcrpe.galenos.2020.2019.0001.


Heterozygous Deletion of the Gene Enhancer in two Females With Clinical Heterogeneity Associating With Skewed XCI and Escaping XCI.

Sun Y, Luo Y, Qian Y, Chen M, Wang L, Li H Front Genet. 2019; 10:1086.

PMID: 31781162 PMC: 6852097. DOI: 10.3389/fgene.2019.01086.


A novel conserved enhancer at zebrafish zic3 and zic6 loci drives neural expression.

Minhas R, Paterek A, Lapinski M, Bazala M, Korzh V, Winata C Dev Dyn. 2019; 248(9):837-849.

PMID: 31194899 PMC: 6771876. DOI: 10.1002/dvdy.69.


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