Copper dyshomeostasis in Wilson disease and Alzheimer's disease as shown by serum and urine copper indicators.
Journal of Trace Elements in Medicine and Biology(2018)
摘要
Abnormal handling of copper is the cause of Wilson disease (WD), a rare disorder typified by increased levels in plasma copper not-bound to ceruloplasmin (nCp-Cu, also known as ‘free’ copper). In Alzheimer’s disease (AD), meta-analyses show that copper decreases in brain but increases in serum, due to the nCp Cu component increase. Despite the similarities, a direct comparison of copper biological status in the two diseases has never been carried out. To fill this gap, we evaluated serum copper, ceruloplasmin, nCp-Cu and Cu:Cp in 385 CE and 336 healthy controls previously investigated that were compared with 9 newly diagnosed WD patients. We then assessed 24h copper urinary excretion in 24 WD patients under D-penicillamine (D-pen) treatment and in 35 healthy controls, and compared results with those of AD patients participating to a D-pen phase II clinical trial previously published.
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关键词
Copper,Ceruloplasmin,Wilson disease,Alzheimer's disease,Urine,Cu:Cp
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