PEROXISOME BIOGENESIS DISORDER 3B (PBD3B) | |
INFANTILE REFSUMS DISEASE | |
266510
OMIM = Online Mendelian Inheritance of Men | |
772 | |
Peroxisome assembly protein 12 | |
17q12 |
|
G60.1 | |
rare autosomal recessive mutation in the PEX12 gene | |
Laboratory findings | Alkyl-dihydroxyacetone-phosphate synthase () C26:0 inc (plasma) Peroxisomal 3-oxoacyl-CoA thiolase () Peroxisomal Acyl-CoA oxidase () Peroxisomal bifunctional enzyme () Phytanic acid inc (plasma) Phytanic acid oxidation () Pipecolic acid inc (urine) Pipecolic acid inc (plasma) Very-long-chain fatty acid oxidation () Very-long-chain fatty acids inc (serum) |
Symptoms | anosmia defect of deep tendon reflexes dysmorphism EEG abnormalities [-] failure to thrive flat facies (Potter facies) flattened nose hearing defect, deafness hepatomegaly (large liver) hypotonia mental retardation MRI, brain, abnormalities [-] neurological deterioration onset, fetus onset, neonatal osteoporosis peripheral neuropathy Plasmalogens, biosynthesis retinitis pigmentosa |