Browsing by Author "Barbosa, C"
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- Doenças Neuromusculares na Idade Pediátrica em Portugal - Estudo PreliminarPublication . Santos, MA; Fineza, I; Moreno, T; Cabral, P; Ferreira, JC; Lopes Silva, R; Vieira, JP; Moreira, A; Dias, AI; Calado, E; Monteiro, JP; Fonseca, MJ; Moço, C; Furtado, F; Campos, MM; Gonçallves, O; Gomes, R; Barbosa, C; Figueiroa, S; Temudo, T; Fagundes, F
- Follow-Up da Diabetes GestacionalPublication . Pargana, L; Caetano, P; Lima, J; Barbosa, C; Aleixo, F; Soares, C; Rocha, T107 mulheres que tiveram Diabetes Gestacional, vigiadas na consulta de Diabetes da MAC, de 1990 a 1997, foram reclassificadas 1 a 8 anos após o diagnóstico; 14% como diabéticas, 22% como portadoras de Alterações da Homeostase da Glicose e 64% sem alterações, usando os critérios de OMS. O perfil lipídico e a função renal apresentavam-se dentro dos valores de referência para os três grupos, apesar das mulheres com diabetes actual apresentarem algum grau de complicação da doença. A Diabetes Gestacional é factor de risco para alterações do metabolismo da glicose. É função fundamental do clínico que vigia a grávida com Diabetes Gestacional motivá-la para a aderência ao Follow-Up.
- LAMA2 Gene Analysis in a Cohort of 26 Congenital Muscular Dystrophy PatientsPublication . Oliveira, J; Santos, R; Soares-Silva, I; Jorge, P; Vieira, E; Oliveira, ME; Moreira, A; Coelho, T; Ferreira, JC; Fonseca, MJ; Barbosa, C; Prats, J; Aríztegui, ML; Martins, ML; Moreno, T; Heinimann, K; Barbot, C; Pascual-Pascual, SI; Cabral, A; Fineza, I; Santos, M; Bronze-da-Rocha, ECongenital muscular dystrophy type 1A (MDC1A) is caused by mutations in the LAMA2 gene encoding laminin-alpha2. We describe the molecular study of 26 patients with clinical presentation, magnetic resonance imaging and/or laminin-alpha2 expression in muscle, compatible with MDC1A. The combination of full genomic sequencing and complementary DNA analysis led to the particularly high mutation detection rate of 96% (50/52 disease alleles). Besides 22 undocumented polymorphisms, 18 different mutations were identified in the course of this work, 14 of which were novel. In particular, we describe the first fully characterized gross deletion in the LAMA2 gene, encompassing exon 56 (c.7750-1713_7899-2153del), detected in 31% of the patients. The only two missense mutations detected were found in heterozygosity with nonsense or truncating mutations in the two patients with the milder clinical presentation and a partial reduction in muscle laminin-alpha2. Our results corroborate the previous few genotype/phenotype correlations in MDC1A and illustrate the importance of screening for gross rearrangements in the LAMA2 gene, which may be underestimated in the literature.