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A novel RAD21 p.(Gl...
A novel RAD21 p.(Gln592del) variant expands the clinical description of Cornelia de Lange syndrome type 4 : Review of the literature
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- Gudmundsson, Sanna (author)
- Uppsala universitet,Medicinsk genetik och genomik,Science for Life Laboratory, SciLifeLab
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- Annerén, Göran, 1945- (author)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Medicinsk genetik och genomik
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- Marcos-Alcalde, Íñigo (author)
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), 28049, Madrid, Spain;Faculty of Experimental Sciences, Francisco de Vitoria University, Pozuelo de Alarcón, 28223, Madrid, Spain
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- Wilbe, Maria (author)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Medicinsk genetik och genomik
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- Melin, Malin (author)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Institutionen för immunologi, genetik och patologi
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- Gómez-Puertas, Paulino (author)
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), 28049, Madrid, Spain
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- Bondeson, Marie-Louise, 1960- (author)
- Uppsala universitet,Science for Life Laboratory, SciLifeLab,Medicinsk genetik och genomik
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(creator_code:org_t)
- Elsevier, 2019
- 2019
- English.
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In: European Journal of Medical Genetics. - : Elsevier. - 1769-7212 .- 1878-0849. ; 62:6
- Related links:
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http://ddfv.ufv.es/b...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- Cornelia de Lange syndrome (CdLS) is a heterogeneous developmental disorder where 70% of clinically diagnosed patients harbor a variant in one of five CdLS associated cohesin proteins. Around 500 variants have been identified to cause CdLS, however only eight different alterations have been identified in the RAD21 gene, encoding the RAD21 cohesin complex component protein that constitute the link between SMC1A and SMC3 within the cohesin ring. We report a 15-month-old boy presenting with developmental delay, distinct CdLS-like facial features, gastrointestinal reflux in early infancy, testis retention, prominent digit pads and diaphragmatic hernia. Exome sequencing revealed a novel RAD21 variant, c.1774_1776del, p.(Gln592del), suggestive of CdLS type 4. Segregation analysis of the two healthy parents confirmed the variant as de novo and bioinformatic analysis predicted the variant as disease-causing. Assessment by in silico structural model predicted that the p.Gln592del variant results in a discontinued contact between RAD21-Lys591 and the SMC1A residues Glu1191 and Glu1192, causing changes in the RAD21-SMC1A interface. In conclusion, we report a patient that expands the clinical description of CdLS type 4 and presents with a novel RAD21 p.(Glu592del) variant that causes a disturbed RAD21-SMC1A interface according to in silco structural modeling.
Subject headings
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences (hsv//eng)
Keyword
- Cohesin complex
- Cohesin protein
- Cohesinopathy
- Cornelia de Lange syndrome type 4
- RAD21 cohesin complex component
Publication and Content Type
- ref (subject category)
- art (subject category)
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