Oral-facial-digital syndrome type VI: is C5orf42 really the major gene?

Oral-facial-digital type VI syndrome (OFDVI) is a rare phenotype of Joubert syndrome (JS). Recently, C5orf42 was suggested as the major OFDVI gene, being mutated in 9 of 11 families (82 %). We sequenced C5orf42 in 313 JS probands and identified mutations in 28 (8.9 %), most with a phenotype of pure...

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Detalles Bibliográficos
Autores principales: Romani, Marta, Mancini, Francesca, Micalizzi, Alessia, Poretti, Andrea, Miccinilli, Elide, Accorsi, Patrizia, Avola, Emanuela, Bertini, Enrico, Borgatti, Renato, Romaniello, Romina, Ceylaner, Serdar, Coppola, Giangennaro, D’Arrigo, Stefano, Giordano, Lucio, Janecke, Andreas R., Lituania, Mario, Ludwig, Kathrin, Martorell, Loreto, Mazza, Tommaso, Odent, Sylvie, Pinelli, Lorenzo, Poo, Pilar, Santucci, Margherita, Signorini, Sabrina, Simonati, Alessandro, Spiegel, Ronen, Stanzial, Franco, Steinlin, Maja, Tabarki, Brahim, Wolf, Nicole I., Zibordi, Federica, Boltshauser, Eugen, Valente, Enza Maria
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2014
Materias:
Short Report
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4282684/
https://www.ncbi.nlm.nih.gov/pubmed/25407461
http://dx.doi.org/10.1007/s00439-014-1508-3
Descripción
Sumario:Oral-facial-digital type VI syndrome (OFDVI) is a rare phenotype of Joubert syndrome (JS). Recently, C5orf42 was suggested as the major OFDVI gene, being mutated in 9 of 11 families (82 %). We sequenced C5orf42 in 313 JS probands and identified mutations in 28 (8.9 %), most with a phenotype of pure JS. Only 2 out of 17 OFDVI patients (11.7 %) were mutated. A comparison of mutated vs. non-mutated OFDVI patients showed that preaxial and mesoaxial polydactyly, hypothalamic hamartoma and other congenital defects may predict C5orf42 mutations, while tongue hamartomas are more common in negative patients. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1007/s00439-014-1508-3) contains supplementary material, which is available to authorized users.

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