Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3

Abstract Background 3MC syndrome type 3 is an autosomal recessive disorder caused by mutations in the COLEC10 gene besides other genes like COLEC11 and MASP1. This disorder is characterized by facial dysmorphism, cleft lip and palate, postnatal growth deficiency, cognitive impairment, hearing loss,...

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Autores principales: Pouria Mohammadi, Elham Salehi Siavashani, Mohammad Farid Mohammadi, Afshin Bahramy, Navid Almadani, Masoud Garshasbi
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Publicado: Wiley 2021
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spelling oai:doaj.org-article:b254f6852b004605bdd1d7c988df9aa82021-11-21T19:38:53ZWhole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 32324-926910.1002/mgg3.1834https://doaj.org/article/b254f6852b004605bdd1d7c988df9aa82021-11-01T00:00:00Zhttps://doi.org/10.1002/mgg3.1834https://doaj.org/toc/2324-9269Abstract Background 3MC syndrome type 3 is an autosomal recessive disorder caused by mutations in the COLEC10 gene besides other genes like COLEC11 and MASP1. This disorder is characterized by facial dysmorphism, cleft lip and palate, postnatal growth deficiency, cognitive impairment, hearing loss, craniosynostosis, radioulnar synostosis, genital and vesicorenal anomalies, cardiac anomalies, caudal appendage, and umbilical hernia. Methods In the present study, whole‐exome sequencing was performed in order to identify disease causing variant in an Iranian 7‐year‐old affected girl with craniosynostosis, dolichocephaly, blepharoptosis, clinodactyly of the 5th finger, high myopia, long face, micrognathia, patent ductus arteriosus, downslanted palpebral fissures, telecanthus, and epicanthus inversus. Identified variant confirmation in the patient and segregation analysis in her family were performed using Sanger sequencing method. Results A novel homozygous frameshift deletion variant [NM_006438.5: c.128_129delCA; p.(Thr43AsnfsTer9)] was identified within the COLEC10 gene. Up to now, only three 3MC syndrome patients with mutations in the COLEC10 gene have been reported, and here, we report the fourth patient and the first homozygous frameshift variant. Conclusion Other genes and factors responsible for 3MC syndrome occurrence are remained to be discovered. We believe further investigation of the genes in the lectin complement pathway is needed to be done for the identification of other causes of this disease.Pouria MohammadiElham Salehi SiavashaniMohammad Farid MohammadiAfshin BahramyNavid AlmadaniMasoud GarshasbiWileyarticle3MC syndrome type 3c.128_129delCACOLEC10p.(Thr43AsnfsTer9)GeneticsQH426-470ENMolecular Genetics & Genomic Medicine, Vol 9, Iss 11, Pp n/a-n/a (2021)
institution DOAJ
collection DOAJ
language EN
topic 3MC syndrome type 3
c.128_129delCA
COLEC10
p.(Thr43AsnfsTer9)
Genetics
QH426-470
spellingShingle 3MC syndrome type 3
c.128_129delCA
COLEC10
p.(Thr43AsnfsTer9)
Genetics
QH426-470
Pouria Mohammadi
Elham Salehi Siavashani
Mohammad Farid Mohammadi
Afshin Bahramy
Navid Almadani
Masoud Garshasbi
Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
description Abstract Background 3MC syndrome type 3 is an autosomal recessive disorder caused by mutations in the COLEC10 gene besides other genes like COLEC11 and MASP1. This disorder is characterized by facial dysmorphism, cleft lip and palate, postnatal growth deficiency, cognitive impairment, hearing loss, craniosynostosis, radioulnar synostosis, genital and vesicorenal anomalies, cardiac anomalies, caudal appendage, and umbilical hernia. Methods In the present study, whole‐exome sequencing was performed in order to identify disease causing variant in an Iranian 7‐year‐old affected girl with craniosynostosis, dolichocephaly, blepharoptosis, clinodactyly of the 5th finger, high myopia, long face, micrognathia, patent ductus arteriosus, downslanted palpebral fissures, telecanthus, and epicanthus inversus. Identified variant confirmation in the patient and segregation analysis in her family were performed using Sanger sequencing method. Results A novel homozygous frameshift deletion variant [NM_006438.5: c.128_129delCA; p.(Thr43AsnfsTer9)] was identified within the COLEC10 gene. Up to now, only three 3MC syndrome patients with mutations in the COLEC10 gene have been reported, and here, we report the fourth patient and the first homozygous frameshift variant. Conclusion Other genes and factors responsible for 3MC syndrome occurrence are remained to be discovered. We believe further investigation of the genes in the lectin complement pathway is needed to be done for the identification of other causes of this disease.
format article
author Pouria Mohammadi
Elham Salehi Siavashani
Mohammad Farid Mohammadi
Afshin Bahramy
Navid Almadani
Masoud Garshasbi
author_facet Pouria Mohammadi
Elham Salehi Siavashani
Mohammad Farid Mohammadi
Afshin Bahramy
Navid Almadani
Masoud Garshasbi
author_sort Pouria Mohammadi
title Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
title_short Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
title_full Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
title_fullStr Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
title_full_unstemmed Whole‐exome sequencing identified first homozygous frameshift variant in the COLEC10 gene in an Iranian patient causing 3MC syndrome type 3
title_sort whole‐exome sequencing identified first homozygous frameshift variant in the colec10 gene in an iranian patient causing 3mc syndrome type 3
publisher Wiley
publishDate 2021
url https://doaj.org/article/b254f6852b004605bdd1d7c988df9aa8
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