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Mesothelin expression and its prognostic role according to microsatellite instability status in colorectal adenocarcinoma

Title
Mesothelin expression and its prognostic role according to microsatellite instability status in colorectal adenocarcinoma
Author
백승삼
Keywords
colorectal adenocarcinoma; immunohistochemistry; mesothelin; prognosis
Issue Date
2019-06
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Citation
MEDICINE,v. 98, NO 26, no. e16207
Abstract
The cell-surface glycoprotein, mesothelin, is normally present on mesothelial cells. Overexpression of mesothelin has been reported in many tumors and is correlated with poor outcome. We investigated the clinicopathologic significance of mesothelin expression in colorectal adenocarcinoma with microsatellites instability (MSI) status. Mesothelin expression was evaluated immunohistochemically in tissue microarray blocks from 390 colorectal adenocarcinoma samples. Mesothelin expression was interpreted according to the intensity and extent. A score of 2 was considered high expression. We analyzed the correlation between mesothelin expression and clinicopathologic characteristics. High mesothelin expression was observed in 177(45.4%) out of 390 colorectal adenocarcinoma samples and was significantly associated with high histologic grade (P=.037), lymphatic invasion (P=.028), lymph node metastasis (P=.028), and high AJCC stage (P=.026). Kaplan-Meier survival curves revealed no significant difference between patients with high mesothelin expression and patients with low mesothelin expression in both recurrence-free survival (RFS) and cancer-specific survival (P=.609 and P=.167, respectively). In subgroup survival analyses, high mesothelin expression was associated with poor RFS in the MSI-High group of colorectal adenocarcinoma (P=.004). High mesothelin expression was significantly associated with aggressive phenotypes and poor patient outcome in MSI-High colorectal adenocarcinoma.
URI
https://insights.ovid.com/crossref?an=00005792-201906280-00080http://repository.hanyang.ac.kr/handle/20.500.11754/111215
ISSN
0025-7974; 1536-5964
DOI
10.1097/MD.0000000000016207
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COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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