PubMed · 16990683
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Steven J Michel, Curtis A Given. 2006. Case 99: Canavan disease.. https://doi.org/10.1148/radiol.2411040165
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Certain autosomal recessive disease conditions are more prevalent in individuals of Eastern European Jewish (Ashkenazi) descent. Previously, the American College of Obstetricians and Gynecologists recommended that individuals of Eastern European Jewish ancestry be offered carrier screening for Tay-Sachs disease, Canavan disease, and cystic fibrosis as part of routine obstetric care. Based on the criteria used to justify offering carrier screening for Tay-Sachs disease, Canavan disease, and cystic fibrosis, the American College of Obstetricians and Gynecologists' Committee on Genetics recommends that couples of Ashkenazi Jewish ancestry also should be offered carrier screening for familial dysautonomia. Individuals of Ashkenazi Jewish descent may inquire about the availability of carrier screening for other disorders. Carrier screening is available for mucolipidosis IV Niemann-Pick disease type A, Fanconi anemia group C, Bloom syndrome, and Gaucher's disease.
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1H and 13C NMR spectra of N-acetylaspartylglutamate (NAAG) have been recorded and interpreted. The values of the 1H chemical shifts and 1H-(1)H coupling constants at different pH were obtained by iterative computer fitting of 1-D 1H NMR spectra. This provided information on the solution conformation of the investigated molecule. Proton-decoupled high resolution 13C NMR spectra of NAAG have been measured in a series of dilute water solution of various acidity. These data have provided a basis for unequivocal determination of the presence of NAAG in the urine sample of a patient suffering from Canavan disease. NMR spectroscopy provides a possibility of detecting NAAG in body fluids.