期刊
BMC MICROBIOLOGY
卷 21, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12866-021-02352-6
关键词
ESCC; Fusobacterium nucleatum; Tumor mutation burden; Tumor progression; EGF (epidermal growth factor)
类别
资金
- National Natural Science Foundation of China [81802444]
- Science and Technology Department of Henan Province [212102310128]
- Major Public Welfare Projects in Henan Province [201300310400]
This study revealed a correlation between bacterial communities in esophageal squamous cell carcinoma tissues and tumor progression and clinical characteristics, particularly the association of F. nucleatum abundance with metastatic potential. These findings suggest a potential method for predicting metastasis in esophageal cancer.
Background Esophageal squamous cell carcinoma (ESCC) is the major type of esophageal cancer in China. The role of the bacteria present in ESCC tissue in neoplastic progression has not been fully elucidated. This study aimed to uncover different bacterial communities in ESCC tissues and examine the correlation between the abundance of the esophageal flora and clinicopathologic characteristics of ESCC. Results Microorganisms in tumors and normal tissues showed obvious clustering characteristics. The abundance of Fusobacterium (P = 0.0052) was increased in tumor tissues. The high level of Fusobacterium nucleatum was significantly associated with pT stage (P = 0.039) and clinical stage (P = 0.0039). The WES data showed that COL22A1, TRBV10-1, CSMD3, SCN7A and PSG11 were present in only the F. nucleatum-positive ESCC samples. GO and protein domain enrichment results suggested that epidermal growth factor might be involved in the regulation of cell apoptosis in F. nucleatum-positive ESCC. Both a higher mutational burden and F. nucleatum-positive was observed in tumors with metastasis than in tumors without metastasis. Conclusion F. nucleatum is closely related to the pT stage and clinical stage of ESCC. The abundance of F. nucleatum and tumor mutation burden may be used in combination as a potential method to predict metastasis in ESCC.
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