. . . . . . . "[INTRODUCTION--The discovery of an expansion of a trinucleotide (CAG) repeat region in the IT15 gene on the short arm of chromosome 4 has identified the mutational mechanism causing Huntington's disease (HD) and enables the direct diagnosis of affected subjects based on DNA analysis alone.]. 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 . "2017-10-17T13:13:14+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .