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Mesothelin Expression Is a Predictive Factor for Peritoneal Recurrence in Curatively Resected Stage III Gastric Cancer

Authors
 Su‐Jin Shin  ;  Sejung Park  ;  Min Hwan Kim  ;  Chung Mo Nam  ;  Hyunki Kim  ;  Yoon Young Choi  ;  Min Kyu Jung  ;  Hye Jin Choi  ;  Sun Young Rha  ;  Hyun Cheol Chung 
Citation
 ONCOLOGIST, Vol.24(11) : e1108-e1114, 2019 
Journal Title
 ONCOLOGIST 
ISSN
 1083-7159 
Issue Date
2019
Keywords
Mesothelin ; Peritoneal recurrence ; Prediction ; Stomach cancer ; Survival
Abstract
BACKGROUND: Mesothelin is overexpressed in many solid tumors, and recent studies have shown that mesothelin expression is associated with poor outcomes in several malignant tumors and may play a role in cancer progression. Clinical trials of mesothelin-targeted immunotherapies are currently under way, but the correlation between mesothelin expression and gastric cancer prognosis is still unclear. SUBJECTS, MATERIALS, AND METHODS: Mesothelin expression in tumor cells was evaluated immunohistochemically in 958 patients with advanced gastric cancer and interpreted according to the intensity and extent of staining. Samples were scored from 0 to 2, with high expression defined as a score of 2. Clinicopathological factors, overall survival (OS), recurrence-free survival (RFS), and sites of initial recurrence, including peritoneal recurrence, were evaluated. Staging was performed according to the American Joint Committee on Cancer 7th edition. RESULTS: High mesothelin expression was observed in 49.7% of patients and significantly associated with high pathologic T (p = .021) and peritoneal recurrence (p = .018). Multivariate survival analysis showed that high mesothelin expression was independently associated with poor RFS (p = .001), OS (p = .001), and peritoneal recurrence (p = .002) in addition to stage, lymphovascular invasion, and Lauren classification. In a subgroup analysis of peritoneal recurrence, high mesothelin expression was also an independent prognostic factor in stage III (p = .013) and diffuse/mixed type gastric cancer (p = .010). CONCLUSION: High mesothelin expression is correlated with poor outcomes. In addition, mesothelin expression, Lauren classification, and stage are meaningful predictive factors for peritoneal recurrence. Moreover, mesothelin was a significant predictor of a high risk of peritoneal recurrence in patients with stage III gastric cancer. IMPLICATIONS FOR PRACTICE: This study demonstrates that high mesothelin expression correlates with poor outcomes and is a significant predictor of peritoneal recurrence in patients with stage III gastric cancer. This study provides instrumental evidence for designing anti-mesothelin antibody-drug conjugate clinical trials in patients with diffuse-type gastric cancer to reduce their high risk of peritoneal carcinomatosis.
Full Text
http://theoncologist.alphamedpress.org/content/24/11/e1108.abstract
DOI
10.1634/theoncologist.2018-0896
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Min Hwan(김민환) ORCID logo https://orcid.org/0000-0002-1595-6342
Kim, Hyunki(김현기) ORCID logo https://orcid.org/0000-0003-2292-5584
Nam, Chung Mo(남정모) ORCID logo https://orcid.org/0000-0003-0985-0928
Rha, Sun Young(라선영) ORCID logo https://orcid.org/0000-0002-2512-4531
Shin, Su Jin(신수진)
Jung, Min Kyu(정민규) ORCID logo https://orcid.org/0000-0001-8281-3387
Chung, Hyun Cheol(정현철) ORCID logo https://orcid.org/0000-0002-0920-9471
Choi, Yoon Young(최윤영) ORCID logo https://orcid.org/0000-0002-2179-7851
Choi, Hye Jin(최혜진) ORCID logo https://orcid.org/0000-0001-5917-1400
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173508
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