期刊
CLINICAL AND EXPERIMENTAL DENTAL RESEARCH
卷 4, 期 6, 页码 255-262出版社
WILEY
DOI: 10.1002/cre2.139
关键词
cytokines; head and neck cancer; oral microbiome; oral mycobiome; saliva
资金
- Auckland District Health Board Charitable Trust A+ Project Grant [A+6277]
Head and neck squamous cell carcinoma (HNSCC) patients often present with poor oral health, making it difficult to assess the relationship between oral microbes, inflammation, and carcinoma. This study investigates salivary microbes and inflammatory cytokines as biomarkers for HNSCC, with consideration of oral health. Saliva was collected from 30 participants, including 14 HNSCC patients and 16 participants representing both dentally compromised and healthy individuals. Bacterial and fungal communities were analyzed based on 16S rRNA gene and ITS1 amplicon sequencing, respectively, and concentrations of inflammatory cytokines were quantified using a cytometric bead array, with flow cytometry. Diversity-based analyses revealed that the bacterial communities of HNSCC patients were significantly different to those of the healthy control group but not the dentally compromised patients. Fungal communities were dominated by Candida, irrespective of cohort, with Candida albicans comprising >= 96% of fungal sequences in most HNSCC patients. Significantly higher concentrations of interleukin (IL)-1 beta and IL-8 were detected in HNSCC and dentally compromised patients, when independently compared with healthy controls. IL-1 beta and IL-8 concentrations were significantly positively correlated with the abundance of C. albicans. Our findings suggest that salivary microbial and inflammatory biomarkers of HNSCC are influenced by oral health.
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