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| Porto,Marianna P.R.; Vergani,Naja; Carvalho,Antonio Carlos C.; Cernach,Mirlene C.S.P.; Brunoni,Decio; Perez,Ana Beatriz A.. |
| The Holt-Oram syndrome (HOS) is an autosomal dominant condition characterized by upper limb and cardiac malformations. Mutations in the TBX5 gene cause HOS and have also been associated with isolated heart and arm defects. Interactions between the TBX5, GATA4 and NKX2.5 proteins have been reported in humans. We screened the TBX5, GATA4, and NKX2.5 genes for mutations, by direct sequencing, in 32 unrelated patients presenting classical (8) or atypical HOS (1), isolated congenital heart defects (16) or isolated upper-limb malformations (7). Pathogenic mutations in the TBX5 gene were found in four HOS patients, including two new mutations (c.374delG; c.678G > T) in typical patients, and the hotspot mutation c.835C > T in two patients, one of them with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Holt-Oram syndrome; Congenital heart disease; TBX5 gene; GATA gene; NKX2.5 gene; Mutation analysis. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000200006 |
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