Changes in abundance of oral microbiota associated with oral cancer.

Changes in abundance of oral microbiota associated with oral cancer.
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DOI:
10.1371/journal.pone.0098741
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Albertson DG
Albertson DG
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Schmidt BL;Kuczynski J;Bhattacharya A;Huey B;Corby PM;Queiroz EL;Nightingale K;Kerr AR;DeLacure MD;Veeramachaneni R;Olshen AB;Albertson DG

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Individual bacteria and shifts in the composition of the microbiome have been associated with human diseases including cancer. To investigate changes in the microbiome associated with oral cancers, we profiled cancers and anatomically matched contralateral normal tissue from the same patient by sequencing 16S rDNA hypervariable region amplicons. In cancer samples from both a discovery and a subsequent confirmation cohort, abundance of Firmicutes (especially Streptococcus) and Actinobacteria (especially Rothia) was significantly decreased relative to contralateral normal samples from the same patient. Significant decreases in abundance of these phyla were observed for pre-cancers, but not when comparing samples from contralateral sites (tongue and floor of mouth) from healthy individuals. Weighted UniFrac principal coordinates analysis based on 12 taxa separated most cancers from other samples with greatest separation of node positive cases. These studies begin to develop a framework for exploiting the oral microbiome for monitoring oral cancer development, progression and recurrence.
使用通用的unifrac距离将微生物组组成与环境协变量相关联。
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