Lnchnf1aas1 acts as a ceRNA for mir34b, promoting tuft1 expression and downregulating mir34b, inducing CC cell proliferation and drug resistance and inhibiting apoptosis [32].The circRNA, Cdr1as, was downregulated in ovarian cancer cisplatin-resistant patient tissues and cell lines, demonstrating the regulatory mechanism of the mir-1270/SCAI signaling pathway. The gene discussed is SCAI; the disease is ovarian carcinoma.