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A rare genetic mitochondrial oxidative phosphorylation disorder with characteristics of intrauterine growth retardation, microcephaly, hypotonia, vision impairment, speech and language delay and lactic acidosis with reduced respiratory chain activity (typically complex I). Additional features may include macrocytic anaemia, tremor, muscular atrophy, dysmetria and mild intellectual disability. Caused by homozygous or compound heterozygous mutation in the SFXN4 gene on chromosome 10q26.
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A rare genetic mitochondrial oxidative phosphorylation disorder with characteristics of intrauterine growth retardation, microcephaly, hypotonia, vision impairment, speech and language delay and lactic acidosis with reduced respiratory chain activity (typically complex I). Additional features may include macrocytic anemia, tremor, muscular atrophy, dysmetria and mild intellectual disability. Caused by homozygous or compound heterozygous mutation in the SFXN4 gene on chromosome 10q26.
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