Clinical whole‐exome sequencing analysis reveals a novel missense COL11A1 mutation resulting in an 18‐week Iranian male aborted fetus with Fibrochondrogenesis 1: A case report.

Autor: Mirtavoos‐Mahyari, Hanifeh, Ajami, Sanaz, Mehrtash, Amirhosein, Marashiyan, Seyedeh Mahya, Bahreini, Farbod, Sheikhy, Kambiz, Ghanbari, Sogol, Ardeshirdavani, Amin
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Zdroj: Clinical Case Reports; Nov2022, Vol. 10 Issue 11, p1-5, 5p
Abstrakt: Fibrochondrogenesis 1, an autosomal recessive syndrome, is a rare disease that causes short‐limbed skeletal dysplasia. Mutations in the gene encoding the α1 chain of type XI collagen (COL11A1) are seen to be the main cause of this disease. We present an 18‐week Iranian male aborted fetus with Fibrochondrogenesis 1 from consanguineous parents. Whole‐exome sequencing revealed a novel missense variant from G to A in exon 45 of 68 in the COL11A1 gene (NM_080629.2: c.3440G > A, [p.G1147E, g.103404625]). The mutation was confirmed by Sanger sequencing and further, MutationTaster predicted this variant to be disease‐causing. Bioinformatic analysis suggests that this variant is highly conserved in both nucleotide and protein levels, suggesting that it has an important function in the proper role of COL11A1 protein. In silico analysis suggests that this mutation alters the COL11A1 protein structure through a Glycine to Glutamic acid substitution. A missense variant from G to A in exon 45 of 68 in the COL11A1 gene (NM_080629.2: c.3440G > A, [p.G1147E, g.103404625]) is a novel pathogenic mutation that is associated with Fibrochondrogenesis 1. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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