BCR and chronic myelogenous leukemia, BCR-ABL1 positive: In CML, examples of circRNA and miRNA interaction are circTNS3/miR-29b that stimulates leukemic cell proliferation, circHIPK3/miR-24 that is involved in CML progression, and circBA9.3 that up-regulates the expression of BCR-ABL1 and reduces TKI sensitivity [84,89].