For many cases, the genes have been named after the disease, or have the name of the disease as a synonym (ATP7B and Wilson Disease, see: http://www.genenames.org/cgi-bin/gene_symbol_report?hgnc_id=870, CFTR and cystic fibrosis, APP and Alzheimer Disease, see: http://www.genenames.org/cgi-bin/gene_symbol_report?hgnc_id =620, ASPA and Canavan Disease, http://www.genename s.org/cgi-bin/gen e_symbol_report?hgnc_id=756). The gene discussed is ATP7B; the disease is early-onset autosomal dominant Alzheimer disease.