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Prenatal diagnosis in severe cases: a new gain in Portuguese neonatal
Sousa, Carmen; Nogueira, Célia; Fonseca, Helena; Marcão, Ana; Rocha, Hugo; Lopes, Lurdes; Leão, Elisa; Garcia, Juliette; Couceiro, Ana BelaIntroduction The expansion of the Portuguese neonatal screening since 2004, based on MS/MS technology, allows the tracing of 25 diseases in all Portuguese newborns in one single laboratory. Following this expansion, the molecular study was also implemented for most diseases, thus allowing confirmation and prenatal diagnosis in severe cases. Methods Five prenatal diagnoses were made in pregnant women who had chi...
Tetra-amelia and lung hypo/aplasia syndrome: New case report and review
Sousa, Sérgio B.; Pina, Raquel; Ramos, Lina; Pereira, Naigel; Krahn, Martin; Borozdin, Wiktor; Kohlhase, Jürgen; Amorim, Marta; Gonnet, KatiaTetra-amelia is a rare malformation that may be associated with other anomalies and is usually inherited in an autosomal recessive pattern. We describe a fetus, born to a nonconsanguineous couple, with tetra-amelia, bilateral cleft lip and palate and bilateral lung agenesis, without other anomalies. Karyotype was normal (46,XX) and premature centromere separation was excluded. No mutation was identified upon mo...
Metabolite Profiling of Human Amniotic Fluid by Hyphenated Nuclear Magnetic Res...
Graça, Gonçalo; Duarte, Iola F.; Goodfellow, Brian J.; Carreira, Isabel M.; Couceiro, Ana Bela; Domingues, Maria do Rosário; Spraul, ManfredThe metabolic profiling of human amniotic fluid (HAF) is of potential interest for the diagnosis of disorders in the mother or the fetus. In order to build a comprehensive metabolite database for HAF, hyphenated NMR has been used, for the first time, for systematic HAF profiling. Experiments were carried out using reverse-phase (RP) and ion-exchange liquid chromatography (LC), in order to detect less and more p...
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