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Wilson disease (WD) is an autosomal recessive disorder, caused by defects in copper-transporting P-type adenosine triphosphatase (ATPase) encoded by the ATP7B gene, resulting in the deposition of copper in the liver and brain with significant disability or death if left untreated. An available regimen of treatment gives hope to those predisposed to the disease if diagnosed early. The objective of this study was to determine the frequency of the most common European mutation (p.H1069Q) in Egyptian children with WD, in addition to screening for previously reported mutations in the Egyptian patients in our selected group.

Direct DNA sequencing was applied to exons (13, 14, 18, and 19) of the ATP7B gene for 19 patients previously diagnosed with WD. Then DNA sequencing and pedigree analysis were performed in the families of the patients showing variations in …