4.7 Article

Influence of Pre-treatment Saliva Microbial Diversity and Composition on Nasopharyngeal Carcinoma Prognosis

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fcimb.2022.831409

关键词

nasopharyngeal carcinoma; 16S rRNA sequencing; oral microbiome; diversity; prognosis

资金

  1. US (National Cancer Institute [R01CA115873]
  2. Swedish Research Council [2015-02625, 2015-06268, 2017-05814]
  3. National Nature Science Foundation of China [81272983]
  4. China Scholar Council [201806380006]
  5. Swedish Research Council [2015-02625, 2017-05814, 2015-06268] Funding Source: Swedish Research Council

向作者/读者索取更多资源

The oral microbiome may have an impact on the prognosis of nasopharyngeal carcinoma (NPC). Lower within-community diversity is associated with higher mortality, while certain measures of between-community diversity are related to mortality.
BackgroundThe human microbiome has been reported to mediate the response to anticancer therapies. However, research about the influence of the oral microbiome on nasopharyngeal carcinoma (NPC) survival is lacking. We aimed to explore the effect of oral microbiota on NPC prognosis. MethodsFour hundred eighty-two population-based NPC cases in southern China between 2010 and 2013 were followed for survival, and their saliva samples were profiled using 16s rRNA sequencing. We analyzed associations of the oral microbiome diversity with mortality from all causes and NPC. ResultsWithin- and between-community diversities of saliva were associated with mortality with an average of 5.29 years follow-up. Lower Faith's phylogenetic diversity was related to higher all-cause mortality [adjusted hazard ratio (aHR), 1.52 (95% confidence interval (CI), 1.06-2.17)] and NPC-specific mortality [aHR, 1.57 (95% CI, 1.07-2.29)], compared with medium diversity, but higher phylogenetic diversity was not protective. The third principal coordinate (PC3) identified from principal coordinates analysis (PCoA) on Bray-Curtis distance was marginally associated with reduced all-cause mortality [aHR, 0.85 (95% CI, 0.73-1.00)], as was the first principal coordinate (PC1) from PCoA on weighted UniFrac [aHR, 0.86 (95% CI, 0.74-1.00)], but neither was associated with NPC-specific mortality. PC3 from robust principal components analysis was associated with lower all-cause and NPC-specific mortalities, with HRs of 0.72 (95% CI, 0.61-0.85) and 0.71 (95% CI, 0.60-0.85), respectively. ConclusionsOral microbiome may be an explanatory factor for NPC prognosis. Lower within-community diversity was associated with higher mortality, and certain measures of between-community diversity were related to mortality. Specifically, candidate bacteria were not related to mortality, suggesting that observed associations may be due to global patterns rather than particular pathogens.

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