Circ0067934 upregulates SLC7A1 expression via the miR-545-3p/SLC7A11 axis, which inhibits thyroid cancer cell ferroptosis and promotes thyroid cancer growth and metastasis (Wang et al., 2017; Wang H. H. et al., 2021; Ji et al., 2022). Here, SLC7A11 is linked to thyroid gland carcinoma.