. . . . . . . "[While the familial, early onset form of AD is known to be caused by specific mutations in genes encoding presenilin 1, presenilin 2, or amyloid-? protein precursor, the underlying mechanisms leading to the development of sporadic AD are still not known.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:42+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .