Summary
Peroxisomal diseases, an expanding group of inborn errors of metabolism, can be classified into three categories—peroxisome biogenesis disorders (PBDs), single peroxisomal enzyme deficiencies, and contiguous gene syndrome. PBDs comprise 13 complementation groups and their responsible genes have been identified, including our newly identified group with a PEX14 defect. We have established a diagnostic system of peroxisomal diseases in Japan, and have identified 40 Japanese with PBDs, 11 patients with β-oxidation enzyme deficiencies and more than 100 patients with adrenoleukodystrophy. Further study of and enlightenment on peroxisomal diseases is necessary to overcome these disorders.
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Abbreviations
- ACOX1:
-
straight-chain acyl-CoA oxidase
- ALD:
-
adrenoleukodystrophy
- AMACR:
-
2-methylacyl-CoA racemase
- CADDS:
-
contiguous ABCD1 and DXS1357E deletion syndrome
- CG:
-
complementation group
- DBP:
-
D-bifunctional protein
- IRD:
-
infantile Refsum disease
- NALD:
-
neonatal adrenoleukodystrophy
- PBD:
-
peroxisome biogenesis disorder
- PMP:
-
peroxisomal membrane proteins
- PTS1:
-
C-terminal peroxisome targeting sequence
- PTS2:
-
N-terminal peroxisome targeting sequence
- RCDP:
-
rhizomelic chondrodysplasia punctata
- SCPx:
-
sterol carrier protein X
- VLCFA:
-
very long-chain fatty acids
- ZS:
-
Zellweger syndrome
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Communicating editor: Verena Peters
Competing interests: None declared
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Shimozawa, N. Molecular and clinical aspects of peroxisomal diseases. J Inherit Metab Dis 30, 193–197 (2007). https://doi.org/10.1007/s10545-007-0516-z
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DOI: https://doi.org/10.1007/s10545-007-0516-z