" /> Short-rib thoracic dysplasia 3 with or without polydactyly - CISMeF





Preferred Label : Short-rib thoracic dysplasia 3 with or without polydactyly;

Symbol : SRTD3;

CISMeF acronym : ATD3; SRPS1; SRPS2B; SRPS3; SRTD3;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Short rib-polydactyly syndrome, type III; Polydactyly with neonatal chondrodystrophy, type I; Asphyxiating thoracic dystrophy 3; ATD3; Verma-naumoff syndrome; SRPS2B; Saldino-noonan syndrome; Short rib-polydactyly syndrome, type I; Polydactyly with neonatal chondrodystrophy, type III; SRPS1; SRPS3; Short rib-polydactyly syndrome, type iib;

Description : Asphyxiating thoracic dystrophy-3 is an autosomal recessive skeletal ciliopathy characterized mainly by small thorax due to shortened ribs, brachydactyly, and shortened long bones. Although short stature is present in childhood, most patients achieve normal height by adolescence or adulthood. The thoracic restriction also tends to improve with age. Unlike other forms of ATD, polydactyly is not usually seen, and extraskeletal manifestations, such as retinal, hepatic, renal, and pancreatic, are rare (summary by Schmidts et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of asphyxiating thoracic dystrophy, also known as Jeune syndrome, see 208500.;

Inheritance : Autosomal recessive; Digenic recessive;

Molecular basis : Caused by mutation in the dynein, cytoplasmic 2, heavy chain 1 gene (DYNC2H1, 603297.0001); Caused by simultaneous heterozygous mutation in both the never in mitosis gene A-related kinase 1 gene (NEK1, 604588.0003) and the dynein, cytoplasmic-2, heavy chain-1 gene (DYN2CH1, 603297.0016);

Laboratory abnormalities : Defect in retrograde intraflagellar transport in cilia;

Prefixed ID : #613091;

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25/05/2025


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