| MULTIPLE MITOCHONDRIAL DYSFUNCTIONS SYNDROME 6 (MMDS6) | |
|
617954
OMIM = Online Mendelian Inheritance of Men | |
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| Mitochondrial-processing peptidase subunit beta | |
| 7q22.1 |
|
very rare autosomal recessive mutation in the PMPCB gen | |
| Laboratory findings | L-Lactic acid inc (serum) |
| Symptoms | ataxia cerebellar atrophy or hypoplasia developmental delay developmental regression dystonia encephalopathy epilepsy failure to thrive feeding difficulties, poor feeding hearing defect, deafness hypertonia, spasticity hypotonia intellectual disability/intellectual developmental disorder Leigh syndrome leukoencephalopathy microcephaly (<2 SD for age) onset, childhood onset, infancy psychomotor retardation |