期刊
JOURNAL OF SURGICAL ONCOLOGY
卷 113, 期 2, 页码 144-151出版社
WILEY
DOI: 10.1002/jso.24124
关键词
cancer stem cells (CSCs); Medullary thyroid carcinoma (MTC); CD133; CD44; immunohistochemistry
Background and ObjectivesTo investigate the expression profiles of cancer stem cells (CSCs) markers CD133 and CD44 in a cohort of medullary thyroid carcinoma (MTC) patients, and their prognostic values during 10-year follow-up. MethodsMTC samples were obtained for H&E and immunohistochemical analysis. Survival analysis was performed using Kaplan-Meier method and log-rank test. ResultsBoth the CD133 and CD44 positives were higher in MTC than control. High expression of CD133 and CD44 was positively correlated with capsule invasion and each other, and their co-expression was significantly correlated with capsule invasion, tissue invasion, and metastases at surgery. Tumor size, capsular invasion, tissue invasion, metastases at surgery, surgical plan, lymph node metastases, TNM stage, CD133, and CD44 were prognostic factors for overall survival (OS) and/or disease free survival (DFS). Both the CD133 and CD44 were unfavorable prognostic predictors for OS (P=0.046, P=0.03), while only CD44 was a significant predictor for DFS (P=0.017). OS rate in CD133/CD44 co-expression group was significantly lower than that in non-co-expression group ((2)=8.44, P=0.004). ConclusionOur study suggested the high expression of CD133 and CD44 in the MTC, and CD133 and CD44 expressions were correlated with capsule invasion and with OS. CD133 and/or CD44 may be prognostic factors for OS and/or DFS in our MTC patients. J. Surg. Oncol. 2016;113:144-151. (c) 2016 Wiley Periodicals, Inc
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