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Analytical Approaches toward Successful Human Cell Metabolome Studies by NMR Sp...
Duarte, Iola F.; Marques, Joana; Ladeirinha, Ana F.; Rocha, Cláudia; Lamego, Inês; Calheiros, Rita; Silva, Tânia M.; Marques, M. Paula M.The aim of this work was to investigate the effects of cell handling and storage on cell integrity and 1H high resolution magic angle spinning (HRMAS) NMR spectra. Three different cell types have been considered (lung tumoral, amniocytes, and MG-63 osteosarcoma cells) in order for sample-dependent effects to be identified. Cell integrity of fresh cells and cells frozen in cryopreservative solution was 70−80%, w...
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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