IDH1 and neoplasm: We isolated proteins from one non-ODG tumour with a 1p deletion, two ODG tumors with 1p19q co-deletions, and cultured ODG cells BT054 (IDH1+/R132H/CIC+/−) and BT088 (IDH1+/+/CICR1515H/−) [30], both containing 1p19q co-deletions.