• Chung-Min Yeh, Yi-Ju Lee, Po-Yun Ko, Yueh-Min Lin, and Wen-Wei Sung.
• Department of Pathology, Changhua Christian Hospital, Changhua 50006, Taiwan.
• Medicina (Kaunas). 2020 Dec 28; 57 (1).

Background And ObjectivesKrüppel-like transcription factor 10 (KLF10) plays a vital role in regulating cell proliferation, including the anti-proliferative process, activation of apoptosis, and differentiation control. KLF10 may also act as a protective factor against oral cancer. We studied the impact of KLF10 expression on the clinical outcomes of oral cancer patients to identify its role as a prognostic factor in oral cancer.Materials And MethodsKLF10 immunoreactivity was analyzed by immunohistochemical (IHC) stain analysis in 286 cancer specimens from primary oral cancer patients. The prognostic value of KLF10 on overall survival was determined by Kaplan-Meier analysis and the Cox proportional hazard model.ResultsHigh KLF10 expression was significantly associated with male gender and betel quid chewing. The 5-year survival rate was greater for patients with high KLF10 expression than for those with low KLF10 expression (62.5% vs. 51.3%, respectively; p = 0.005), and multivariate analyses showed that high KLF10 expression was the only independent factor correlated with greater overall patient survival. The significant correlation between high KLF10 expression and a higher 5-year survival rate was observed in certain subgroups of clinical parameters, including female gender, non-smokers, cancer stage T1, and cancer stage N0.ConclusionsKLF10 expression, detected by IHC staining, could be an independent prognostic marker for oral cancer patients.

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