IDH1 and cancer: For 514 cancer cell metabolism genes and 10 important metabolic genes not included in ccmGenes, we performed a literature query of PubMed in September, 2015, using the search expression that applied to each ccmGene (using IDH1 as an example here): ‘((cancer cell metabolism [Title/Abstract]) AND IDH1[Title/Abstract]) AND (‘2001/01/01’[Date - Publication] : ‘2015/09’[Date - Publication])’.