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Prognostic significance of USP10 and p14ARF expression in patients with colorectal cancer

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Author(s)
Kyungeun KimTom HuhYoonho ParkDong-Hoe KooHungdai KimIlseon HwangChel Hun ChoiJoo MiYiJoon-Yong Chung
Keimyung Author(s)
Hwang, Il Seon
Department
Dept. of Pathology (병리학)
Journal Title
Pathology - Research and Practice
Issued Date
2020
Volume
216
Issue
6
Keyword
USP10p14ARFmethylationprognosiscolorectal cancer
Abstract
Ubiquitin-specific proteases (USPs) play an important role in fundamental cellular processes. Among these, USP10 is known for its association with tumor development and progression of multiple cancers. We aimed to investigate the clinical significance of USP10 expression in colorectal cancer and examined the potential link between USP10 and p14ARF in patients with colorectal cancer. USP10 and p14ARF protein expression was assessed via immunohistochemistry (IHC) on a tissue microarray from 280 colorectal cancer cases. IHC scores were evaluated by digital image analysis and compared with patients' outcomes. In addition, we examined DNA hypermethylation in colorectal cancer cell lines and tissues, which were matched with adjacent normal colon samples. USP10 expression was lost (USP10loss) in 18.6% of samples (52/280 cases), which was linked to lymphovascular invasion (p = 0.019) and distant metastases (p < 0.001). Similarly, loss of p14ARF expression (p14ARFloss) was associated with more advanced tumors. USP10 expression correlated positively with p14ARF expression (r = 0.617, p < 0.001). USP10loss, p14ARFloss, and dual loss of USP10 and p14ARF were significantly associated with shorter disease-free survival and overall survival in comparison to USP10intact, p14ARFintact, and dual loss of USP10 and p14ARF, respectively. Multivariate analysis revealed that USP10loss (p = 0.030) and dual loss of USP10 and p14ARF (p = 0.014) are independent prognostic factors for poor disease-free survival in colorectal cancer patients. Furthermore, aberrant hypermethylation of the USP10 promoter region was found in colorectal cancer cell lines and tissues. The present results suggest that USP10loss is a potential prognostic marker for colorectal cancer.
Keimyung Author(s)(Kor)
황일선
Publisher
School of Medicine (의과대학)
Citation
Kyungeun Kim et al. (2020). Prognostic significance of USP10 and p14ARF expression in patients with colorectal cancer. Pathology - Research and Practice, 216(6), 152988. doi: 10.1016/j.prp.2020.152988
Type
Article
ISSN
0344-0338
Source
https://www.sciencedirect.com/science/article/abs/pii/S0344033820305872
DOI
10.1016/j.prp.2020.152988
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/43266
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Pathology (병리학)
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