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Fusobacterium nucleatum in biopsied tissues from colorectal cancer patients and alcohol consumption in Korea

 Myungsook Kim  ;  Seung-Tae Lee  ;  Songyi Choi  ;  Hyukmin Lee  ;  Sun Sung Kwon  ;  Jung Hyun Byun  ;  Young Ah Kim  ;  Ki-Jong Rhee  ;  Jong Rak Choi  ;  Tae Il Kim  ;  Kyungwon Lee 
 SCIENTIFIC REPORTS, Vol.10(1) : 19915, 2020-11 
Journal Title
Issue Date
The roles of individual bacteria and their relationship in the development of colorectal cancer (CRC) remain unclear. We aimed to determine the prevalence of CRC-associated bacteria using quantitative real-time PCR (qPCR) or 16S rRNA analysis and the statistical correlations of patient demographics and clinical characteristics comprising alcohol consumption with CRC-associated bacteria. We determined the prevalence of five CRC-associated bacterial species in 38 CRC patients (39 samples) and 21 normal individuals using qPCR, and the relative abundance of bacterial taxa in the gut microbiome was assessed using 16S rRNA analysis. Fusobacterium nucleatum was the only bacterium that was significantly (P < 0.0001) more prevalent in the cancer tissue (82.1%) than in the normal tissue (0%) by qPCR. 16S rRNA analysis showed a significant correlation between six operational taxonomic units (OTUs), namely, the genera Fusobacterium, Peptostreptococcus, Collinsella, Prevotella, Parvimonas, and Gemella, in patients with CRC. An integrated analysis using 16S rRNA data and epidemiological characteristics showed that alcohol consumption was significantly correlated with the abundance of Fusobacterium OTUs. The correlation of alcohol consumption with the abundance of Fusobacterium OTUs in cancer tissue discovered using 16S rRNA analysis suggests a possible link between alcohol metabolism and subsequent tumorigenesis caused by F. nucleatum.
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1. College of Medicine (의과대학) > Dept. of Pharmacology (약리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Sun Sung(권순성)
Kim, Tae Il(김태일) ORCID logo https://orcid.org/0000-0003-4807-890X
Byun, Jung-Hyun(변정현)
Lee, Kyungwon(이경원) ORCID logo https://orcid.org/0000-0003-3788-2134
Lee, Seung-Tae(이승태) ORCID logo https://orcid.org/0000-0003-1047-1415
Lee, Hyuk Min(이혁민) ORCID logo https://orcid.org/0000-0002-8523-4126
Choi, Jong Rak(최종락) ORCID logo https://orcid.org/0000-0002-0608-2989
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