. . . . . . . "[After subsequent selection of such cells with methotrexate, a cell line was obtained in which the t-PA cDNA construct was co-amplified with the DHFR gene and which produced 10 times more t-PA protein than the original Bowes melanoma cells.]. 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 . "2017-10-17T13:15:27+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .