Mucopolysaccharidosis type IV (MPS4) is an autosomal recessive lysosomal storage disorder caused by a defect in one of the enzyme genes involved in glycosaminoglycan degradation. The defect results in the accumulation of keratan sulfate and chondroitin sulfate in many organs, as well as elevated metabolite levels in urine. Common signs and symptoms include normal cognition, coarse faces, and dysostosis multiplex.
Category
Inherited metabolic disorder, Lysosomal disease
Brite
Human diseases in ICD-11 classification [BR:br08403]
05 Endocrine, nutritional or metabolic diseases
Metabolic disorders
Inborn errors of metabolism
5C56 Lysosomal diseases
H00123 Mucopolysaccharidosis type IV
Pathway-based classification of diseases [BR:br08402]
Glycan/glycoprotein metabolism
nt06012 Glycosaminoglycan degradation
H00123 Mucopolysaccharidosis type IV