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FBI-1 mRNA in normal mucosa is an independent prognostic factor in colorectal cancer patients
Department of Oncology, Henan Provincial People’s Hospital & People’s Hospital of Henan University, Zheng-zhou, China; Department of Oncology and Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
Department of Oncology, Henan Provincial People’s Hospital & People’s Hospital of Henan University, Zheng-zhou, China.
Department of Oncology, Henan Provincial People’s Hospital & People’s Hospital of Henan University, Zheng-zhou, China.
Department of Oncology, Henan Provincial People’s Hospital & People’s Hospital of Henan University, Zheng-zhou, China.
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2018 (English)In: International Journal of Clinical and Experimental Pathology, ISSN 1936-2625, E-ISSN 1936-2625, Vol. 11, no 2, p. 642-649Article in journal (Refereed) Published
Abstract [en]

Although several studies provide evidence that FBI-1 is an important gene regulator in colorectal cancer (CRC), it is noteworthy that, to our knowledge, no analysis of the correlation between FBI-1 expression and prognosis in CRC has been reported. Using real-time RT-PCR, we detected FBI-1 mRNA in 161 CRC patients (primary tumor, along with the corresponding normal mucosa), 36 liver metastases, and analyzed the relationship of its expression with clinicopathological features. Colon cancer cell lines were used to study FBI-1 function. Our study found that FBI-1 was significant up-regulated in tumor tissue (2.621 +/- 0.157) compared with the corresponding normal mucosa (1.620 +/- 0.165, P < 0.0001). FBI-1 in normal mucosa was a prognostic factor (P = 0.039, RR 0.431, 95% CI 0.194-0.958), independent of gender, age, stage, and differentiation. High levels of FBI-1 mRNA were related with good survival. Patients with complications had a higher primary tumor FBI-1 expression than those without complications (3.400 +/- 0.332 vs. 2.516 +/- 0.241, P = 0.032). Suppression of FBI-1 in colon cancer cell lines could repress proliferation of cancer cells. In conclusion, FBI-1 mRNA is overexpressed in CRC, and takes part in the development of CRC. FBI-1 mRNA in normal mucosa is an independent prognostic factor. Our findings give further support to the concept of "field cancerization", and hint that when we study a biomarker, we should not only focus on the tumor tissue but also the corresponding normal mucosa.

Place, publisher, year, edition, pages
e-Century Publishing , 2018. Vol. 11, no 2, p. 642-649
Keywords [en]
Colorectal cancer, FBI-1, prognosis, biomarker, field cancerization
National Category
Cancer and Oncology
Identifiers
URN: urn:nbn:se:oru:diva-66277ISI: 000427096500019OAI: oai:DiVA.org:oru-66277DiVA, id: diva2:1194454
Funder
Swedish Cancer SocietySwedish Research Council
Note

Funding Agencies:

Health Research Council in Southeast Sweden  

National Natural Science Foundation of China  U1204818 

Projects of Science and Technology in Henan Province  172102310064  142102210094 

Available from: 2018-04-03 Created: 2018-04-03 Last updated: 2018-04-03Bibliographically approved

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FBI-1 mRNA in normal mucosa is an independent prognostic factor in colorectal cancer patients

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Zhang, Hong

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