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A 37-year-old Menkes disease patient-Residual ATP7A activity and early copper administration as key factors in beneficial treatment

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Menkes disease (MD) is a lethal disorder characterized by severe neurological symptoms and connective tissue abnormalities; and results from malfunctioning of cuproenzymes, which cannot receive copper due to a defective intracellular copper transporting protein, ATP7A. Early parenteral copper-histidine supplementation may modify disease progression substantially but beneficial effects of long-term treatment have been recorded in only a few patients. Here we report on the eldest surviving MD patient (37 years) receiving early-onset and long-term copper treatment. He has few neurological symptoms without connective tissue disturbances; and a missense ATP7A variant, p.(Pro852Leu), which results in impaired protein trafficking while the copper transport function is spared. These findings suggest that some cuproenzymes maintain their function when sufficient copper is provided to the cells; and underline the importance of early initiated copper treatment, efficiency of which is likely to be dependent on the mutant ATP7A function.

Original languageEnglish
JournalClinical Genetics
Volume92
Issue number5
Pages (from-to)548-553
Number of pages6
ISSN0009-9163
DOIs
Publication statusPublished - Nov 2017

    Research areas

  • Journal Article

ID: 52668306