Identification of FBXL4 as a metastasis associated gene in prostate cancer

Stankiewicz, Elzbieta, Mao, Xueying, Mangham, D. Chas, Xu, Lei, Yeste-Velasco, Marc, Fisher, Gabrielle, North, Bernard, Chaplin, Tracy, Young, Bryan, Wang, Yuqin, Kaur Bansal, Jasmin, Kudahetti, Sakunthala, Spencer, Lucy, Foster, Christopher S., Møller, Henrik, Scardino, Peter, Oliver, R. Tim, Shamash, Jonathan, Cuzick, Jack, Cooper, Colin S. ORCID:, Berney, Daniel M. and Lu, Yong-Jie (2017) Identification of FBXL4 as a metastasis associated gene in prostate cancer. Scientific Reports, 7. ISSN 2045-2322

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Prostate cancer is the most common cancer among western men, with a significant mortality and morbidity reported for advanced metastatic disease. Current understanding of metastatic disease is limited due to difficulty of sampling as prostate cancer mainly metastasizes to bone. By analysing prostate cancer bone metastases using high density microarrays, we found a common genomic copy number loss at 6q16.1–16.2, containing the FBXL4 gene, which was confirmed in larger series of bone metastases by fluorescence in situ hybridisation (FISH). Loss of FBXL4 was also detected in primary tumours and it was highly associated with prognostic factors including high Gleason score, clinical stage, prostate-specific antigen (PSA) and extent of disease, as well as poor patient survival, suggesting that FBXL4 loss contributes to prostate cancer progression. We also demonstrated that FBXL4 deletion is detectable in circulating tumour cells (CTCs), making it a potential prognostic biomarker by ‘liquid biopsy’. In vitro analysis showed that FBXL4 plays a role in regulating the migration and invasion of prostate cancer cells. FBXL4 potentially controls cancer metastasis through regulation of ERLEC1 levels. Therefore, FBXL4 could be a potential novel prostate cancer suppressor gene, which may prevent cancer progression and metastasis through controlling cell invasion.

Item Type: Article
Uncontrolled Keywords: sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Groups > Cancer Studies
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Depositing User: Pure Connector
Date Deposited: 29 Jul 2017 05:10
Last Modified: 24 Oct 2023 00:56
DOI: 10.1038/s41598-017-05209-z


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