KEGG   DISEASE: Mucolipidosis II
Entry
H00143                      Disease                                
Name
Mucolipidosis II;
I-cell disease
  Supergrp
Defects in lysosomal trafficking [DS:H02128]
Lysosomal storage disease [DS:H01425]
Description
Mucolipidosis type II, also known as I-cell disease, is an autosomal recessive lysosomal storage disorder caused by the deficiency of N-acetylglucosamine-1-phosphate transferase which is multimeric enzyme involved in phosphotransfer of UDP-N-acetylglucosamine to lysosomal enzymes (glycoproteins). It is the necessary process for the transport of newly synthesized lysosomal proteins to the lysosomes.
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
     H00143  Mucolipidosis II
Pathway
hsa04142  Lysosome
Gene
GNPTAB [HSA:79158] [KO:K08239]
Other DBs
ICD-11: 5C56.20
ICD-10: E77.0
MeSH: D009081
OMIM: 252500
Reference
  Authors
Kudo M, Brem MS, Canfield WM
  Title
Mucolipidosis II (I-cell disease) and mucolipidosis IIIA (classical pseudo-hurler polydystrophy) are caused by mutations in the GlcNAc-phosphotransferase alpha / beta -subunits precursor gene.
  Journal
Am J Hum Genet 78:451-63 (2006)
DOI:10.1086/500849
Reference
  Authors
Bargal R, Zeigler M, Abu-Libdeh B, Zuri V, Mandel H, Ben Neriah Z, Stewart F, Elcioglu N, Hindi T, Le Merrer M, Bach G, Raas-Rothschild A
  Title
When Mucolipidosis III meets Mucolipidosis II: GNPTA gene mutations in 24 patients.
  Journal
Mol Genet Metab 88:359-63 (2006)
DOI:10.1016/j.ymgme.2006.03.003
Reference
  Authors
Dierks T, Schlotawa L, Frese MA, Radhakrishnan K, von Figura K, Schmidt B
  Title
Molecular basis of multiple sulfatase deficiency, mucolipidosis II/III and Niemann-Pick C1 disease - Lysosomal storage disorders caused by defects of non-lysosomal proteins.
  Journal
Biochim Biophys Acta 1793:710-25 (2009)
DOI:10.1016/j.bbamcr.2008.11.015
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