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2 Possible Causes for Neurodegeneration Leading to Profound Mental Retardation

  • Mucopolysaccharidosis

    OBJECTIVE: The aim of this study was to quantify glycosaminoglycans (GAGs) in amniotic fluid (AF) from an MPS VII fetus compared with age-matched fetuses obtained from normal pregnancies. METHOD: Disaccharides were measured by liquid chromatography tandem mass spectrometry, compared to age-matched controls.[…][ncbi.nlm.nih.gov]

  • Mucopolysaccharidosis 2

    Summary Epidemiology Prevalence at birth in Europe is 1/166,000. It is an X-linked recessive disorder; very rare cases of female presentation have been reported. Clinical description MPS2 patients appear healthy at birth, with initial symptoms appearing between 18 months and 4 years of age. Macrocephaly develops[…][orpha.net]

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