PDGFRA and head and neck squamous cell carcinoma: Although further research is warranted to delineate the underlying mechanism(s) of FOXQ1-mediated chemoresistance in HNSCC, Meng et al. identified Twist1, Zeb2, PDGFRA and PDGFRB as potential downstream targets in breast carcinoma which are downregulated by FOXQ1 (Baumeister et al., 2021).