Asphyxiating thoracic dystrophy
Last updated 18 Aug 2020
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Asphyxiating thoracic dystrophy, also known as Jeune syndrome, is an inherited disorder of bone growth characterised by a narrow chest, short ribs, shortened bones in the arms and legs, short stature, and extra fingers and toes (polydactyly). Additional skeletal abnormalities can include unusually shaped collarbones (clavicles) and pelvic bones, and and cone-shaped ends of the long bones in the arms and legs. Many infants with this condition are born with an extremely narrow, bell-shaped chest that can restrict the growth and expansion of the lungs. Life-threatening problems with breathing result, and people with asphyxiating thoracic dystrophy may live only into infancy or early childhood. However, in people who survive beyond the first few years, the narrow chest and related breathing problems can improve with age.
Description
Asphyxiating thoracic dystrophy, also known as Jeune syndrome, is an inherited disorder of bone growth characterised by a narrow chest, short ribs, shortened bones in the arms and legs, short stature, and extra fingers and toes (polydactyly). Additional skeletal abnormalities can include unusually shaped collarbones (clavicles) and pelvic bones, and and cone-shaped ends of the long bones in the arms and legs. Many infants with this condition are born with an extremely narrow, bell-shaped chest that can restrict the growth and expansion of the lungs. Life-threatening problems with breathing result, and people with asphyxiating thoracic dystrophy may live only into infancy or early childhood. However, in people who survive beyond the first few years, the narrow chest and related breathing problems can improve with age.
Some people with asphyxiating thoracic dystrophy are born with less severe skeletal abnormalities and have only mild breathing difficulties, such as rapid breathing or shortness of breath. These individuals may live into adolescence or adulthood. After infancy, people with this condition may develop life-threatening kidney (renal) abnormalities that cause the kidneys to malfunction or fail. Heart defects and a narrowing of the airway (subglottic stenosis) are also possible. Other, less common features of asphyxiating thoracic dystrophy include liver disease, fluid-filled sacs (cysts) in the pancreas, dental abnormalities, and an eye disease called retinal dystrophy that can lead to vision loss.
Inheritance patterns
The source lists the following possible inheritance patterns: Autosomal recessive. More than one pattern can apply in different cases.
Related genes
Other names
Asphyxiating thoracic chondrodystrophy
Asphyxiating thoracic dysplasia
ATD
Chondroectodermal dysplasia-like syndrome
Infantile thoracic dystrophy
Jeune syndrome
Jeune thoracic dysplasia
Jeune thoracic dystrophy
Thoracic asphyxiant dystrophy
Thoracic-pelvic-phalangeal dystrophy
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Further reading and references
- Asphyxiating thoracic dystrophy; MedlinePlus, National Library of Medicine.
- Baujat G, Huber C, El Hokayem J, Caumes R, Do Ngoc Thanh C, David A, Delezoide AL, Dieux-Coeslier A, Estournet B, Francannet C, Kayirangwa H, Lacaille F, Le Bourgeois M, Martinovic J, Salomon R, Sigaudy S, Malan V, Munnich A, Le Merrer M, Le Quan Sang KH, Cormier-Daire V. Asphyxiating thoracic dysplasia: clinical and molecular review of 39 families. J Med Genet. 2013 Feb;50(2):91-8. doi: 10.1136/jmedgenet-2012-101282.
- Beales PL, Bland E, Tobin JL, Bacchelli C, Tuysuz B, Hill J, Rix S, Pearson CG, Kai M, Hartley J, Johnson C, Irving M, Elcioglu N, Winey M, Tada M, Scambler PJ. IFT80, which encodes a conserved intraflagellar transport protein, is mutated in Jeune asphyxiating thoracic dystrophy. Nat Genet. 2007 Jun;39(6):727-9. doi: 10.1038/ng2038. Epub 2007 Apr 29.
- Huber C, Cormier-Daire V. Ciliary disorder of the skeleton. Am J Med Genet C Semin Med Genet. 2012 Aug 15;160C(3):165-74. doi: 10.1002/ajmg.c.31336. Epub 2012 Jul 12.
- Keppler-Noreuil KM, Adam MP, Welch J, Muilenburg A, Willing MC. Clinical insights gained from eight new cases and review of reported cases with Jeune syndrome (asphyxiating thoracic dystrophy). Am J Med Genet A. 2011 May;155A(5):1021-32. doi: 10.1002/ajmg.a.33892. Epub 2011 Apr 4.
- Schmidts M, Arts HH, Bongers EM, Yap Z, Oud MM, Antony D, Duijkers L, Emes RD, Stalker J, Yntema JB, Plagnol V, Hoischen A, Gilissen C, Forsythe E, Lausch E, Veltman JA, Roeleveld N, Superti-Furga A, Kutkowska-Kazmierczak A, Kamsteeg EJ, Elcioglu N, van Maarle MC, Graul-Neumann LM, Devriendt K, Smithson SF, Wellesley D, Verbeek NE, Hennekam RC, Kayserili H, Scambler PJ, Beales PL; UK10K; Knoers NV, Roepman R, Mitchison HM. Exome sequencing identifies DYNC2H1 mutations as a common cause of asphyxiating thoracic dystrophy (Jeune syndrome) without major polydactyly, renal or retinal involvement. J Med Genet. 2013 May;50(5):309-23. doi: 10.1136/jmedgenet-2012-101284. Epub 2013 Mar 1.
- Schmidts M. Clinical genetics and pathobiology of ciliary chondrodysplasias. J Pediatr Genet. 2014 Nov;3(2):46-94. doi: 10.3233/PGE-14089.
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