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Technol Cancer Res Treat ; 19: 1533033820909911, 2020.
Article in English | MEDLINE | ID: mdl-32281480

ABSTRACT

OBJECTIVE: Nasopharyngeal carcinoma is highly endemic in Southeast China. Circulating tumor cell is an important biomarker in the prognosis of variety kinds of cancers. Overexpression of fibronectin 1 was observed in variety kinds of malignancies and may contribute to progress and metastasis of the cancers. The current study was aimed to investigate phenotypes of circulating tumor cell in nasopharyngeal carcinoma blood and fibronectin 1 expression in the circulating tumor cell, and their clinical application in predicting nasopharyngeal carcinoma prognosis. METHODS: Blood samples were obtained from nasopharyngeal carcinoma patients before and after treatment. CanPatrol circulating tumor cell enrichment and RNA in situ hybridization were applied to identify circulating tumor cell and its phenotypes. Fibronectin 1 messenger RNA expression in the cells of circulating tumors was examined by messenger RNA-in situ hybridization. RESULTS: Circulating tumor cell was not associated with tumor characteristics or lymph node metastasis. Patients with >9 circulating tumor cells or >5 mesenchymal phenotype circulating tumor cell per 5-mL blood had poorer progression-free survival (P < .05). Multivariable analysis demonstrated that 2 or more mesenchymal phenotype circulating tumor cells with high fibronectin 1 messenger RNA expression predicted shorter progression-free survival (P < .05). CONCLUSIONS: Circulating tumor cells with high-level fibronectin 1 expression was associated with poor survival in patients with nasopharyngeal carcinoma and could be an independent prognostic factor for nasopharyngeal carcinoma.


Subject(s)
Fibronectins/biosynthesis , Nasopharyngeal Carcinoma/blood , Nasopharyngeal Carcinoma/pathology , Nasopharyngeal Neoplasms/blood , Nasopharyngeal Neoplasms/pathology , Neoplastic Cells, Circulating/metabolism , Adult , Aged , Aged, 80 and over , Female , Fibronectins/genetics , Fibronectins/metabolism , Humans , Male , Middle Aged , Nasopharyngeal Carcinoma/genetics , Nasopharyngeal Neoplasms/genetics , Neoplastic Cells, Circulating/pathology , Prognosis , RNA, Messenger/genetics , RNA, Messenger/metabolism , Young Adult
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