A novel ATRX mutation causes Smith ‑Fineman‑Myers syndrome in a Chinese family.

This study aimed to lay a foundation for prenatal diagnosis for this family. Briefly, genomic DNA was extracted from peripheral blood samples obtained from the family. High‑throughput genetic sequencing was employed to detect the whole exome; subsequently, Sanger sequencing was performed to verify the candidate mutations. Clinical analysis of the proband was also accomplished. Consequently, a novel missense ATRX mutation was identified comprising a single nucleotide change of C to T, which caused an amino acid substitution at codon 172 in exon 7 (c.515C>T; p.Thr172Ile) of the proband. This mutation was found to co‑segregate in the present SFMS pedigree and was located in a highly conserved region of the ATRX protein, thus suggesting that it may be a pathogenic mutation. Taken together, these findings provided novel information that may lead towards an improved understanding of the genetic and clinical features of patients with SFMS, thereby facilitating a more accurate prenatal diagnosis of SFMS. PMID: 31746429 [PubMed - as supplied by publisher]
Source: Molecular Medicine Reports - Category: Molecular Biology Tags: Mol Med Rep Source Type: research