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1000
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Abstract/Summary
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Head and neck squamous cell carcinoma (HNSC) is a prevalent and aggressive malignancy with poor prognosis, underscoring the need for novel biomarkers and therapeutic strategies. This study investigates the role of C16orf74 as a potential diagnostic and prognostic biomarker in HNSC. Bioinformatics analyses revealed that C16orf74 is significantly overexpressed in HNSC and is associated with advanced disease stages, therapy resistance, and shorter overall and progression-free survival. A prognostic nomogram integrating C16orf74 expression with clinicopathological features demonstrated robust predictive performance. Functional enrichment and immune infiltration analyses suggest that high C16orf74 expression might contribute to an immunosuppressive tumor microenvironment by reducing key immune cell populations, such as B cells, T cells, and natural killer cells, which are critical for anti-tumor immunity. Moreover, C16orf74 expression was inversely associated with immune checkpoint expression and immunotherapy response, highlighting its potential as a predictive biomarker for immune checkpoint blockade (ICB) efficacy. Drug sensitivity analyses identified potential therapeutic agents, including arsenic trioxide, carmustine, vincristine, quercetin, and carboplatin for patients with high C16orf74 expression. These findings highlight the potential of C16orf74 as a biomarker and therapeutic target to improve HNSC management.
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