Amish, Mennonite, and Hutterite
Genetic Disorder Database

Mucopolysaccharidosis, type VII

Disorder
OMIM #: #253220  (Click to access OMIM database)
Disorder: Mucopolysaccharidosis, type VII 
Also known as: MPS7
Beta-glucuronidase deficiency
Sly syndrome
GUSB deficiency 
Clinical
Phenotype: Severe cases: hydrops fetalis, jaundice Normal cases: coarse features, hernia, hepatomegaly, splenomegaly, macrocephaly, congenital heart defect, hearing impairment, developmental delay, growth deficiency, bone growth abnormalities, dysostosis, contractures, thoracolumbar kyphoscoliosis, other skeletal defects, platyspondyly 
Seen In: Amish
Old Order Mennonite
Old Colony Mennonite
Unknown/Other Mennonite
Hutterite
Remarks: Autosomal recessive 
Mutations
1   Old Colony Mennonite  
Gene: GUSB
Base Change: C>T, at nucleotide 526
Amino Acid Change: leu 176 --> phe
Last updated: 2023-02-02 

References
Wu B M, Tomatsu S, Fukuda S, Sukegawa K, Orii T, Sly WS. (1994) Overexpression rescues the mutant phenotype of L176F mutation causing beta-glucuronidase deficiency mucopolysaccharidosis in two Mennonite siblings. J. Biol. Chem. 269: 23681-23688.
PubMed ID: 8089138 

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