OGG1 and cancer: The human OGG1 gene (8-oxoguanine DNA glycosylase 1, gene ID 4968, also known as hMMH, MUTM and OGH1) is located at 3p26.2, a locus showing a frequent loss of heterozygosity (LOH) in many types of human cancers, including lung and kidney tumors [14] (Table 1).