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Τετάρτη 21 Φεβρουαρίου 2018

Indoleamine 2, 3-dioxygenase and B7-H1 expressions as prognostic and follow-up markers in human pancreatic carcinoma

Publication date: Available online 21 February 2018
Source:Pathology - Research and Practice
Author(s): Liancai Wang, Qingyong Ma, Deyu Li, Senmao Mu, Yong Li, Yafeng Wang, Pengfei Shi, Haibo Yu, Chunhui Gao, Kun Guo, Zhuoli Zhang
This study was to test hypotheses that indoleamine 2, 3-dioxygenase and B7-H1 expressions can be used as prognostic markers in human pancreatic carcinoma (PC). Ninety-five patients were recruited who had undergone radical surgical resection for PC. IDO and B7-H1 expressions in PC tissue specimens were evaluated by immunohistochemistry (IHC) techniques. The clinical and pathological features of these specimens were analyzed.IDO positive, B7-H1 positive, and combined IDO/B7-H1 positive tumors exhibited significant correlations with lymphocytic infiltration, perineural invasion, TNM status, and pathologic grade (p < 0.05), which tended to show strong correlations with malignant progression of PC. Also, IDO correlated with diabetes mellitus (DM) and HAD scale and B7-H1 correlated with smoke (p < 0.05). In addition, the correlation analysis indicated that IDO had a positive correlation with B7-H1 (p < 0.05). Moreover, the results showed that a combination of IDO and B7-H1 expressions could serve as independent prognostic marker after adjusting by Cox proportional hazards regression models (p < 0.05). IDO and B7-H1 expressions were observed in patient with PC tissues and are important markers for PC malignant progression. A combination of IDO and B7-H1 expression can be served as an independent prognostic marker for PC.



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