SLC7A11 and head and neck squamous cell carcinoma: This important finding further emphasizes the fact that ferroptosis-associated targeting of expression levels of the cystine transporter SLC7A11 are lower in HPV-positive (HPV + ve) tumors than in HPV-negative (HPV-ve) HNSCC, which has been observed using RNAseq data (both whole-tumor and single-cell sequencing) (Hémon et al., 2020).