CCAT2 and breast cancer: It was found that DNC alone or in combination with Oxa has synergistically downregulated several oncogenic lncRNAs such as GAS5, MALAT1, FAL1, ANRIL, ABO73614, CCAT2, LSINCT5 in different types of cancers such as BC, NSCLC, and ovarian cancer through suppressing cell proliferation, prompting cell death, and reducing therapeutic resistance [184, 188, 190, 191].