Grade I Pilocytic Astrocytoma’s Markov blanket genes were: IGFB5, TIMP4, SSR2, LPL, DUSP7, GABRA5, SH3GL3, C1S, WNT10B, SRPX, ANK3, HLAA, EIF4A1, PTGER3, and CCND2 (Figure 8). This evidence concerns the gene TIMP4 and pilocytic astrocytoma.