In a study from Nature, researchers used intercellular CRISPR screening to identify PRFs (TIMMDC1, PDCD10, RPL21, GTPBP3, KIF23, PIK3R5, FOXO1, NFIA, ARPC2, HMGB2, NDUFV1, FADD, PACS2, HMHA1, CMC1, ANAPC7, and MIB2) in cancer cells. Here, GTPBP3 is linked to cancer.