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MULTIPLE MITOCHONDRIAL DYSFUNCTIONS SYNDROME 5 (MMDS5)

MULTIPLE MITOCHONDRIAL DYSFUNCTIONS SYNDROME 5 (MMDS5)
617613
OMIM = Online Mendelian Inheritance of Men
Iron-sulfur cluster assembly 1 homolog, mitochondrial
9q21.33
very rare
autosomal recessive
mutation in the ISCA1 gene
Laboratory findings    Creatine kinase normal/inc (serum)
    L-Lactic acid inc (serum)
Symptoms    developmental delay
    feeding difficulties, poor feeding
    growth retardation, poor growth
    hyperreflexia
    hypertonia, spasticity
    leukodystrophy
    microcephaly (<2 SD for age)
    myelination, incomplete, hypomyelination
    onset, infancy
    psychomotor retardation
    retinopathy
    seizures