CYP24A1 and oral cavity squamous cell carcinoma: However, Yuna Nakamori et al. recently discovered that low expression levels of CYP24A1 promoted oncogenic progression in oral squamous cell carcinoma (OSCC) and were significantly associated with poor prognosis in patients with this malignancy, indicating that CYP24A1 might play a tumor-suppressive role in OSCC (Nakamori et al., 2024).