Townes-Brocks Syndrome
آخر تحديث 18 Aug 2020
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Townes-Brocks syndrome is a genetic condition that affects several parts of the body. The most common features of this condition are a malformation of the anal opening (imperforate anus), abnormally shaped ears, and hand malformations that most often affect the thumbs. People with this condition often have at least two of these three major features.
الوصف
Townes-Brocks syndrome is a genetic condition that affects several parts of the body. The most common features of this condition are a malformation of the anal opening (imperforate anus), abnormally shaped ears, and hand malformations that most often affect the thumbs. People with this condition often have at least two of these three major features.
Other signs and symptoms of Townes-Brocks syndrome can include kidney abnormalities, mild to profound hearing loss, eye abnormalities, heart defects, foot abnormalities, and genital malformations. These features vary among affected individuals, even within the same family. Mild intellectual disability or learning problems have been reported in about 10 percent of people with Townes-Brocks syndrome.
Inheritance patterns
The source lists the following possible inheritance patterns: Autosomal dominant. More than one pattern can apply in different cases.
Related genes
Other names
Anal-ear-renal-radial malformation syndrome
Deafness-imperforate anus-hypoplastic thumbs syndrome
Imperforate anus-hand and foot anomalies syndrome
Renal-ear-anal-radial syndrome (REAR)
Sensorineural deafness-imperforate anus-hypoplastic thumbs syndrome
Townes syndrome
Related patient information and medicines
Patient information leaflet
متلازمة توريت
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Patient information leaflet
الضلع العنقي
About 1 in 100 people are born with an extra rib called a cervical rib. About 1 in 10 people who have a cervical rib develop thoracic outlet syndrome. This happens if the cervical rib squashes the nerves and blood vessels going into the arm. Treatment can include painkillers, physiotherapy and sometimes surgery to relieve the compression caused.
Patient information leaflet
تسمم الحمل
Pre-eclampsia involves high blood pressure and protein in the urine. The severity of pre-eclampsia is usually (but not always) related to your blood pressure level. Pre-eclampsia meaning Pre-eclampsia is a condition where you have high blood pressure (hypertension) in pregnancy and lose too much protein from your kidneys into your urine..
Patient information leaflet
متلازمة مضادات الاختلاج الجنينية
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Patient information leaflet
اضطرابات طيف فرط الحركة
اضطرابات طيف فرط الحركة include all people with what used to be called joint hypermobility syndrome, and before that benign joint hypermobility syndrome. Anyone who has symptoms... Hypermobility spectrum disorders (HSDs) يكون a group of conditions that involve joint hypermobility (increased range of motion in the joints, sometimes referred.
Patient information leaflet
متلازمة ما بعد الارتجاج
Concussion is an injury to your brain that can occur after a minor head injury. Post-concussion syndrome is a collection of symptoms that some people develop after they have had concussion. It is a complication of concussion. Common symptoms of post-concussion syndrome can include headache, dizziness and memory and concentration problems. Symptoms.
قراءة إضافية ومراجع
- Townes-Brocks Syndrome; MedlinePlus, National Library of Medicine.
- Botzenhart EM, Bartalini G, Blair E, Brady AF, Elmslie F, Chong KL, Christy K, Torres-Martinez W, Danesino C, Deardorff MA, Fryns JP, Marlin S, Garcia-Minaur S, Hellenbroich Y, Hay BN, Penttinen M, Shashi V, Terhal P, Van Maldergem L, Whiteford ML, Zackai E, Kohlhase J. Townes-Brocks syndrome: twenty novel SALL1 mutations in sporadic and familial cases and refinement of the SALL1 hot spot region. Hum Mutat. 2007 Feb;28(2):204-5. doi: 10.1002/humu.9476.
- Botzenhart EM, Green A, Ilyina H, Konig R, Lowry RB, Lo IF, Shohat M, Burke L, McGaughran J, Chafai R, Pierquin G, Michaelis RC, Whiteford ML, Simola KO, Rosler B, Kohlhase J. SALL1 mutation analysis in Townes-Brocks syndrome: twelve novel mutations and expansion of the phenotype. Hum Mutat. 2005 Sep;26(3):282. doi: 10.1002/humu.9362.
- Bozal-Basterra L, Martin-Ruiz I, Pirone L, Liang Y, Sigurethsson JO, Gonzalez-Santamarta M, Giordano I, Gabicagogeascoa E, de Luca A, Rodriguez JA, Wilkie AOM, Kohlhase J, Eastwood D, Yale C, Olsen JV, Rauchman M, Anderson KV, Sutherland JD, Barrio R. Truncated SALL1 Impedes Primary Cilia Function in Townes-Brocks Syndrome. Am J Hum Genet. 2018 Feb 1;102(2):249-265. doi: 10.1016/j.ajhg.2017.12.017.
- de Celis JF, Barrio R. Regulation and function of Spalt proteins during animal development. Int J Dev Biol. 2009;53(8-10):1385-98. doi: 10.1387/ijdb.072408jd.
- Graziano C, Olivucci G. SALL1-Related Townes-Brocks Syndrome. 2007 Jan 24 [updated 2025 Aug 14]. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK1445/
- Keegan CE, Mulliken JB, Wu BL, Korf BR. Townes-Brocks syndrome versus expanded spectrum hemifacial microsomia: review of eight patients and further evidence of a "hot spot" for mutation in the SALL1 gene. Genet Med. 2001 Jul-Aug;3(4):310-3. doi: 10.1097/00125817-200107000-00007.
- Kiefer SM, Ohlemiller KK, Yang J, McDill BW, Kohlhase J, Rauchman M. Expression of a truncated Sall1 transcriptional repressor is responsible for Townes-Brocks syndrome birth defects. Hum Mol Genet. 2003 Sep 1;12(17):2221-7. doi: 10.1093/hmg/ddg233. Epub 2003 Jul 15.
- Powell CM, Michaelis RC. Townes-Brocks syndrome. J Med Genet. 1999 Feb;36(2):89-93.
تاريخ المقال
المقال متاح أيضًا باللغة الإنجليزية, الألمانية, إسبانية, الفرنسية, إيطالي, البرتغالية, الهندية, العبرية, العربية ,، و السويدية.
18 Aug 2020 | أحدث إصدار
1 Jun 2020 | نُشر في الأصل
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