RB1 and diffuse midline glioma: Western blot analysis of ADA protein in retinoblastoma (Y79, WERI-Rb1, and Rb143), malignant atypical teratoid/rhabdoid tumors of the brain (AT/RT; BT37 and BT12), and diffuse midline gliomas, H3K27M mutant of the brain (DIPG007, SF7761, and JHHDIPG1) lines showed variable levels similar to those in uveal melanoma (Figure 6A).