Furthermore, circZBTB44 (Zinc Finger and BTB Domain Containing 44) and circZNF609 are both upregulated in acute lymphoblastic leukemia [52] of which especially circZNF609 has a known oncogenic potential in multiple other cancers as well [53,54,55,56,57]. This evidence concerns the gene ZBTB44 and acute lymphoblastic leukemia.