Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology · 2026
High FOXA1 immunohistochemical expression is associated with adverse outcomes in HPV-positive cervical squamous cell carcinoma.
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Gonçalves Milena Giulia, Lopez Rossana Veronica Mendoza, Nunes Rafaella Almeida Lima, da Rocha Thais Queiroz, Villa Luisa Lina, Dias Genta Maria Luiza Nogueira, Sichero Laura
Аннотация
BACKGROUND: Forkhead box protein A1 (FOXA1) is linked to cancer development in different anatomical sites. We previously demonstrated that FOXA1 markedly increases high-risk human papillomavirus (HPV) transcription by directly binding to the long control region (LCR). Herein, we aimed to assess FOXA1 expression and its prognostic significance in cervical cancer (CC).
METHODS: Patients with CC treated at the Instituto do Cancer do Estado de São Paulo (ICESP), Brazil, were included. FOXA1 levels were measured using immunohistochemistry (IHC).
RESULTS: Overall, FOXA1 staining was observed in 85% (208/245) of the samples, primarily localized in both the nucleus and cytoplasm (71%). High FOXA1 staining was more frequently detected in squamous cell carcinoma (SCC) compared to adenocarcinomas (ADC) (p = 0.003). High FOXA1 staining was significantly associated with HPV-positive CC (p = 0.005). It was also associated with worse overall survival (OS) and disease-free survival (DFS) when considering all CC samples, as well as when restricting the analysis to SCC cases. Among HPV-positive cases, high FOXA1 staining was also significantly associated with poorer OS and DFS in women with SCC. Finally, high FOXA1 staining was associated with poor OS (HR 1.79; 95% CI: 1.14-2.79; p = 0.011) and poor DFS (HR: 1.64; 95% CI: 0.98-2.74; p = 0.056) among SCC cases in comparison to cases with low/moderate staining. No association was found between FOXA1 levels and prognosis in ADC.
CONCLUSIONS: Our data suggest that FOXA1 may be involved in HPV-induced carcinogenesis and could serve as a prognostic biomarker in patients with cervical SCC.
METHODS: Patients with CC treated at the Instituto do Cancer do Estado de São Paulo (ICESP), Brazil, were included. FOXA1 levels were measured using immunohistochemistry (IHC).
RESULTS: Overall, FOXA1 staining was observed in 85% (208/245) of the samples, primarily localized in both the nucleus and cytoplasm (71%). High FOXA1 staining was more frequently detected in squamous cell carcinoma (SCC) compared to adenocarcinomas (ADC) (p = 0.003). High FOXA1 staining was significantly associated with HPV-positive CC (p = 0.005). It was also associated with worse overall survival (OS) and disease-free survival (DFS) when considering all CC samples, as well as when restricting the analysis to SCC cases. Among HPV-positive cases, high FOXA1 staining was also significantly associated with poorer OS and DFS in women with SCC. Finally, high FOXA1 staining was associated with poor OS (HR 1.79; 95% CI: 1.14-2.79; p = 0.011) and poor DFS (HR: 1.64; 95% CI: 0.98-2.74; p = 0.056) among SCC cases in comparison to cases with low/moderate staining. No association was found between FOXA1 levels and prognosis in ADC.
CONCLUSIONS: Our data suggest that FOXA1 may be involved in HPV-induced carcinogenesis and could serve as a prognostic biomarker in patients with cervical SCC.