C1QTNF8 and glioblastoma: CTRP8 treatment for 24 h caused an increase in protein content of N‐WASP by 1.3‐fold, Arp3 by 1.7‐fold, and profilin‐1 by 2.7‐fold in patient GBM and U87MG cells (Fig. 4A,B; Fig. S5A–D).