Pedigree of the family. The genetic status of the father of spouse is unknown. The figure indicates the carrier status of the pathogenic variants c.1358C > T and c.1957 T > A in the SLC26A2 gene among family members and embryos (emb1, emb2, and emb3)

Pedigree of the family. The genetic status of the father of spouse is unknown. The figure indicates the carrier status of the pathogenic variants c.1358C > T and c.1957 T > A in the SLC26A2 gene among family members and embryos (emb1, emb2, and emb3)

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Background Diastrophic dysplasia is a rare autosomal recessive disorder characterized by abnormalities in bone and cartilage development, caused by pathogenic variants in the SLC26A2 gene. Case presentation This article presents a clinical case of preimplantation genetic testing for monogenic disorders (PGT-M) conducted for a family with two previ...

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Context 1
... that the wife carried the pathogenic variant c.1358C>T (highrisk allele T), while the husband was found to carry c.1957T>A (high-risk allele A) (Fig. 2). Additionally, the pathogenic variant c.1358C>T was identified in A. 's sister, while their mother did not exhibit this variant, indicating that it was inherited by the sisters from their father (Fig. ...