mucopolysaccharidosis type IVB

Summary
Synonym
  • MPS IVB
  • MPS4B
  • Morquio disease type B
  • Morquio syndrome B
  • beta-D-galactosidase deficiency
  • mucopolysaccharidosis type IVB (Morquio)
Definition
A mucopolysaccharidosis IV characterized by skeletal dysplasia, corneal clouding, and increased urinary keratan sulfate excretion that has_material_basis_in homozygous or compound heterozygous mutation in the GLB1 gene on chromosome 3p22.3.
Super Class
autosomal recessive disease mucopolysaccharidosis IV
Disease Ontology
DOID:0111392
MeSH
UMLS
NCI Thesaurus
ORDO
Related Genes
Displaying all 2 entries
Gene ID Gene Symbol Description Source
2588 GALNS galactosamine (N-acetyl)-6-sulfatase
2720 GLB1 galactosidase beta 1
Related Glycoprotein
The Human Phenotype Ontology
Displaying entries 41 - 48 of 48 in total
HPO ID HPO Term
HP:0007759 Opacification of the corneal stroma
HP:0012070 Chondroitin sulfate excretion in urine
HP:0003621 Juvenile onset
HP:0008166 Decreased beta-galactosidase activity
HP:0003521 Disproportionate short-trunk short stature
HP:0007957 Corneal opacity
HP:0012069 Keratan sulfate excretion in urine
HP:0005292 Intimal thickening in the coronary arteries
Displaying 1 entry
Gene ID Gene Symbol Description
2720 GLB1 galactosidase beta 1

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026