Journal
LIFE SCIENCES
Volume 269, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.lfs.2021.119098
Keywords
Cervical carcinoma; FUBP1; Prognosis
Funding
- Guangzhou Institute of Pediatrics/Guangzhou Women and Children's Medical Center [YIP-2019-021]
- National Natural Science Foundation of China [81902693]
- National Nature Science Foundation of China [81903628]
- Natural Science Foundation of Guangdong Province [2018A030310298]
- Educational Commission of Guangdong Province [2017KTSCX155]
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FUBP1 mRNA transcription and protein expression levels were significantly increased in cervical carcinoma tissues. Elevated FUBP1 expression was positively correlated with age, T classification, N classification, tumor recurrence, Ki67 expression, and poor prognosis in cervical carcinoma patients. Overexpression of FUBP1 significantly promoted cervical carcinoma cell proliferation and inhibited cell apoptosis in vitro.
Aims: Far upstream element-binding protein 1 (FUBP1) has been shown to involve in the tumorigenesis and tumor progression of various cancers. However, the expression and function of FUBP1 in cervical carcinoma remains unknown. Main methods: Transcriptional expression of FUBP1 was initially evaluated using the Oncomine database, followed by evaluation of FUBP1 protein levels using immunohistochemistry in 119 cervical carcinoma patient tissues. In vitro experiments were performed to assess the tumorigenic role of FUBP1. Besides, Gene Set Enrichment Analysis, Enrichment Map analysis, and protein-protein interaction (PPI) networks were used to evaluate the potential mechanisms of FUBP1 in promoting cervical cancer progression. Key fundings: In this research, we found both FUBP1 mRNA transcription and protein expression levels increased significantly in cervical carcinoma tissues compared with adjacent normal cervical tissues. Furthermore, elevated FUBP1 expression was positively correlated with age, T classification, N classification, tumor recurrence, Ki67 expression, and poor prognosis in cervical carcinoma patients. Besides, elevated FUBP1 expression acted as an independent unfavorable predictor for overall survival and disease-free survival in cervical carcinoma. Overexpression of FUBP1 significantly promoted cervical carcinoma cell proliferation and inhibits cell apoptosis in vitro, while knockdown of FUBP1 showed the opposite effect. Mechanistically, bioinformatics analysis revealed that FUBP1 promoted the biological function of cervical carcinoma cells via enhancing DNA repair signal pathways. Our results demonstrate for the first time that FUBP1 is a novel prognostic factor and therapeutic target for cervical carcinoma.
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