SMARCA2 and neoplasm: Astrocytes also clustered into two distinct patterns, with Astrocyte_A cells showing lower expression of GFAP and localizing to distant brain areas outside of the tumor, while Astrocyte_B cells showed higher expression of GFAP, and localized to the border regions of both PDGfp and BrM tumors (Supplementary Figs. 5h and 6d).