Dual diagnosis of osteogenesis imperfecta (OI) and short stature and advanced bone age with or without early-onset osteoarthritis and/or osteochondritis dissecans (SSOAOD) reveals a cumulative effect on stature caused by mutations in COL1A1 and ACAN genes.

Dual diagnosis of osteogenesis imperfecta (OI) and short stature and advanced bone age with or without early-onset osteoarthritis and/or osteochondritis dissecans (SSOAOD) reveals a cumulative effect on stature caused by mutations in COL1A1 and ACAN genes. Eur J Med Genet. 2020 Sep 24;:104074 Authors: Ye X, Fang D, He Y, Yan H, Qiu W, Sun Y Abstract Short stature is a feature when a person's height is more than 2 SDS below the corresponding mean height for a given age, gender, and population. It can be influenced by many factors essential to growth plate. Here we report a three-generation family with 13 patients affected by osteogenesis imperfecta (OI) type I, short stature and advanced bone age, with or without early-onset osteoarthritis and/or osteochondritis dissecans (SSOAOD) or both. Panel sequencing of the proband revealed mutations in two extracellular matrix related genes: COL1A1 and ACAN. When comparing the quantitative trait, height within the family of different mutation carrier groups, we found an interesting cumulative effect, the ones with both mutations manifest shortest stature. Dual diagnoses of the family also suggest the necessity of a comprehensive molecular diagnosis method, such as panel/exome sequencing, especially encountering patients with novel phenotype or extreme trait. PMID: 32980524 [PubMed - as supplied by publisher]
Source: European Journal of Medical Genetics - Category: Genetics & Stem Cells Authors: Tags: Eur J Med Genet Source Type: research

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