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Poster Presentations: American Head and Neck Society
August 2006

P210 Cancer-Supporting Factors Consistently Induced by Lipopolysaccharide–Squamous Cell Carcinoma–Monocyte Interactions

Arch Otolaryngol Head Neck Surg. 2006;132(8):906. doi:10.1001/archotol.132.8.906-a

Objective: Head and neck squamous cell carcinomas (HNSCCs) often inadequately differentiate and ulcerate, suggesting that surface microbial products may affect HNSCC pathogenesis. Monocyte-lineage cells (MCs) infiltrate HNSCC. Lipopolysaccharide (LPS) induces MCs to secrete interleukin 6 (IL-6), a STAT3-activating, vascular endothelial growth factor (VEGF) inducing cancer-supporting factor, and both MCs and IL-6 are associated with HNSCC progression. Our objective was to characterize carcinoma cell-supporting outcomes of LPS-HNSCC-monocyte interactions.

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