. . . . . . . . . . . . "[During selection for methotrexate resistance, SV40-transformed human skin fibroblasts from patients with ataxia telangiectasia (A-T) underwent amplification of the dihydrofolate reductase (DHFR) gene, experienced nearly complete loss of the integrated SV40 sequences and showed a 3.6-fold increase in Ki-ras gene copy number.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2015-02-27"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2015-08-25T14:41:03+02:00"^^ . . . . . . . . . . . "v3.0.0.0" . "v3.0.0" .