TABLE 3.

Current reports related to circRNAs in modulating miRNA-regulated ferroptosis progression.

circRNA	Target	Biofunction	Cancer types	Ferroptosis progression	Cell lines	References
circ-0008035	miR-599/EIF4A1	Inhibiting miR-599	Gastric cancer	Up	GE8-1 HGC-27 AGS	Li et al., 2020
circ-TTBK2	miR-761/ITGB8	Inhibiting miR-761	Glioma	Down	LN229 U251 NHA	Zhang H. Y. et al., 2020
circ-clARS	ALKBH5 (RBP)	Siliencing ALKBH5	HCC	Up	HepG2 SMMC-7721 Huh-7	Liu Z. et al., 2020
circ-IL4R	miR-541-3p/GPX4	Sponging miR-541-3p	HCC	Down	THLE-2 HuH-7 HCCLM3	Xu et al., 2020
circ-EPSTI1	miR-375/miR-409-3p/miR-515-5p-SLC7A11	Sponging miRNAs to upregulate SLC7A11 expression	Cervical cancer	Up	CaSki HeLa HcerEpic	Wu et al., 2021
circ-RHOT1	miR-106a-5p/STAT3	Contributing to malignant progression and attenuating ferroptosis	Breast cancer	Down	MDA-MB-231 T47D	Zhang et al., 2021a
circ-0007142	miR-847-3p/GDPD5	Upregulating GDPD5 and reversing miR-847-3p-mediated tumor inhibition	CRC	Down	HCT116 SW620 SW480	Wang et al., 2021