DOI: 10.11606/t.41.2002.tde-22092004-222503
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Estudo molecular do gene TCOF1 em pacientes portadores da síndrome de Treacher Collins

Abstract: Group, 1996;Gladwin et al., 1996;Wise et al., 1997;Edwards et al., 1997Proporção entre casos isolados e familiais: Quinze dentre os 26 propósitos com mutações identificadas no gene TCOF1 foram encaminhados como casos isolados. Entre esses, nos 10 casos onde possuíamos DNA disponível do pai e da mãe, a paternidade foi confirmada através da análise de marcadores polimórficos. Para essas 10 famílias, confirmamos que as mutações haviam surgido de novo, já que os pais não eram portadores da mutação encontrada no pr… Show more

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(2 citation statements)
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“…These cells contribute to the formation of bones, cartilage and connective tissue of the head and face. This may explain the cranioskeletal hypoplasia characteristic of TCS individuals [17]. Thus, Dixon, et al [18] suggested that the cranioskeletal hypoplasia commonly observed in TCS individuals is caused by a deficiency in neural crest cells rather than a migration defect of these cells [11,18].…”
Section: Etiopathogenymentioning
confidence: 99%
See 1 more Smart Citation
“…These cells contribute to the formation of bones, cartilage and connective tissue of the head and face. This may explain the cranioskeletal hypoplasia characteristic of TCS individuals [17]. Thus, Dixon, et al [18] suggested that the cranioskeletal hypoplasia commonly observed in TCS individuals is caused by a deficiency in neural crest cells rather than a migration defect of these cells [11,18].…”
Section: Etiopathogenymentioning
confidence: 99%
“…Recent studies show that deficiencies in neural ectodermal and neural crest cells result in the activation of the nucleolar stress of the p53 protein-dependent apoptotic pathway that promotes neuroepithelial cell death. This finding raises the possibility that inhibition of p53 protein activity could block neuroepithelial apoptosis, restore the neural crest cell population, and prevent craniofacial anomalies characteristic of TCS [17]. However, p53 carries out several important cellular functions, including its role as a tumour suppressor.…”
Section: Etiopathogenymentioning
confidence: 99%