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Updated: Apr 25, 2026

One-step Metabolomics: Carbohydrates, Organic and Amino Acids Quantified in a Single Procedure
Published on: June 25, 2010
Identification of Multiple Sulfatase Deficiency (MSD) in newborn screening: A case study
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A patient with multiple sulfatase deficiency (MSD) was identified through a lysosomal storage disorder enzyme analysis panel, based on a characteristic pattern of reduced activities across multiple sulfatases. Newborn screening laboratories implement various quality control protocols to assess the integrity of received samples. The quality control policy for identifying heat-denatured samples evaluates several enzyme activity levels to determine if a sample has been compromised by excessive heat. A new quality control policy has been established to differentiate heat-denatured samples from those affected by Multiple Sulfatase Deficiency.
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