. . . . . . . . . . . . "[The isocitrate dehydrogenase 1 (IDH1) or 2 (IDH2) genes are mutated in 50-80% of astrocytomas, oligodendrogliomas or oligoastrocytomas of grades II and III, and secondary glioblastomas; they are, however, seldom mutated in primary glioblastomas and never in other types of glioma.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2016-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:49:02+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .