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MITOCHONDRIAL DNA DEPLETION SYNDROME 13 (ENCEPHALOMYOPATHIC TYPE); MTDPS13

MITOCHONDRIAL DNA DEPLETION SYNDROME 13 (ENCEPHALOMYOPATHIC TYPE); MTDPS13
615471
OMIM = Online Mendelian Inheritance of Men
369897
F-box/LRR-repeat protein 4
6q16.1-q16.2
E88.8
very rare (< 100 patients)
autosomal recessive
mutation in the FBXL4 gene
Laboratory findings    Alanine inc (plasma)
    Ammonia normal/inc (serum)
    Creatine kinase normal/inc (serum)
    L-Lactic acid inc (serum)
    L-Lysine normal/inc (plasma)
    Transaminases (ASAT/ALAT) inc (serum)
Symptoms    ataxia
    cardiac arrhythmia, dysrhythmia
    cardiomyopathy
    cardiomyopathy, hypertrophic
    cataract
    cerebellar atrophy or hypoplasia
    cerebral atrophy
    colitis or enterocolitis
    developmental delay
    dysmorphism
    dysphagia
    dystonia
    encephalopathy
    failure to thrive
    growth retardation, poor growth
    hyperammonemia
    hypotonia
    infections (severe or recurrent)
    intellectual disability/intellectual developmental disorder
    lactic acidosis
    leukodystrophy
    microcephaly (<2 SD for age)
    MRI, brain, abnormalities [-]
    muscle atrophy
    neutropenia (decreased neutrophils)
    nystagmus
    onset, childhood
    onset, infancy
    onset, neonatal
    seizures
    small for gestational age (SGA), intrauterine growth retardation (IUGR)
    weight loss
    white matter changes, abnormalities