Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients
<p>In this study, we characterized the intratumoral expression of IL-17 and CD8<sup>+</sup> TILs in gastric adenocarcinoma patients after resection and determined the correlation between the survival probability of gastric adenocarcinoma patients and the expression of IL-17 in tumo...
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doaj-6d3c57f14baa4d88b0a5aeb681905aee2020-11-25T01:45:55ZengIvyspring International PublisherInternational Journal of Biological Sciences1449-22882011-01-01715360Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma PatientsJu-gao Chen, Jian-chuan Xia, Xiao-ting Liang, Ke Pan, Wei Wang, Lin Lv, Jing-jing Zhao, Qi-jing Wang, Yong-qiang Li, Shi-ping Chen, Jia He, Li-xi Huang, Miao-la Ke, Yi-bing Chen, Hai-qing Ma, Zhen-wu Zeng, Zhi-wei Zhou, Alfred E Chang, Qiao Li<p>In this study, we characterized the intratumoral expression of IL-17 and CD8<sup>+</sup> TILs in gastric adenocarcinoma patients after resection and determined the correlation between the survival probability of gastric adenocarcinoma patients and the expression of IL-17 in tumor. Expression of IL-17 and CD8 was assessed by immunohistochemistry, and the prognostic effects of intratumoral IL-17 expression and CD8<sup>+</sup> TILs were evaluated by Cox regression and Kaplan-Meier analysis. Immunohistochemical detection revealed the presence of IL-17 and CD8<sup>+</sup> cells in gastric adenocarcinoma tissue samples (90.6%, 174 out of 192 patients and 96.9%, 186 out of 192 patients, respectively). We have also found that intratumoral IL-17 expression was significantly correlated with age (<i>p</i>=0.004) and that the number of CD8<sup>+ </sup>TILs was significantly correlated with UICC staging (<i>p</i>=0.012) and the depth of tumor invasion (<i>p</i>=0.022). The five-year overall survival probability among patients intratumorally expressing higher levels of IL-17 was significantly better than those expressing lower levels of IL-17 (<i>p</i>=0.036). Multivariate Cox proportional hazard analyses revealed that intratumoral IL-17 expression (HR: 0.521; 95% CI: 0.329-0.823; <i>p</i>=0.005) was an independent factor affecting the five-year overall survival probability. We conclude that low levels of intratumoral IL-17 expression may indicate poor prognosis in gastric adenocarcinoma patients.</p>http://www.biolsci.org/v07p0053.htm |
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language |
English |
format |
Article |
sources |
DOAJ |
author |
Ju-gao Chen, Jian-chuan Xia, Xiao-ting Liang, Ke Pan, Wei Wang, Lin Lv, Jing-jing Zhao, Qi-jing Wang, Yong-qiang Li, Shi-ping Chen, Jia He, Li-xi Huang, Miao-la Ke, Yi-bing Chen, Hai-qing Ma, Zhen-wu Zeng, Zhi-wei Zhou, Alfred E Chang, Qiao Li |
spellingShingle |
Ju-gao Chen, Jian-chuan Xia, Xiao-ting Liang, Ke Pan, Wei Wang, Lin Lv, Jing-jing Zhao, Qi-jing Wang, Yong-qiang Li, Shi-ping Chen, Jia He, Li-xi Huang, Miao-la Ke, Yi-bing Chen, Hai-qing Ma, Zhen-wu Zeng, Zhi-wei Zhou, Alfred E Chang, Qiao Li Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients International Journal of Biological Sciences |
author_facet |
Ju-gao Chen, Jian-chuan Xia, Xiao-ting Liang, Ke Pan, Wei Wang, Lin Lv, Jing-jing Zhao, Qi-jing Wang, Yong-qiang Li, Shi-ping Chen, Jia He, Li-xi Huang, Miao-la Ke, Yi-bing Chen, Hai-qing Ma, Zhen-wu Zeng, Zhi-wei Zhou, Alfred E Chang, Qiao Li |
author_sort |
Ju-gao Chen, Jian-chuan Xia, Xiao-ting Liang, Ke Pan, Wei Wang, Lin Lv, Jing-jing Zhao, Qi-jing Wang, Yong-qiang Li, Shi-ping Chen, Jia He, Li-xi Huang, Miao-la Ke, Yi-bing Chen, Hai-qing Ma, Zhen-wu Zeng, Zhi-wei Zhou, Alfred E Chang, Qiao Li |
title |
Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients |
title_short |
Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients |
title_full |
Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients |
title_fullStr |
Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients |
title_full_unstemmed |
Intratumoral Expression of IL-17 and Its Prognostic Role in Gastric Adenocarcinoma Patients |
title_sort |
intratumoral expression of il-17 and its prognostic role in gastric adenocarcinoma patients |
publisher |
Ivyspring International Publisher |
series |
International Journal of Biological Sciences |
issn |
1449-2288 |
publishDate |
2011-01-01 |
description |
<p>In this study, we characterized the intratumoral expression of IL-17 and CD8<sup>+</sup> TILs in gastric adenocarcinoma patients after resection and determined the correlation between the survival probability of gastric adenocarcinoma patients and the expression of IL-17 in tumor. Expression of IL-17 and CD8 was assessed by immunohistochemistry, and the prognostic effects of intratumoral IL-17 expression and CD8<sup>+</sup> TILs were evaluated by Cox regression and Kaplan-Meier analysis. Immunohistochemical detection revealed the presence of IL-17 and CD8<sup>+</sup> cells in gastric adenocarcinoma tissue samples (90.6%, 174 out of 192 patients and 96.9%, 186 out of 192 patients, respectively). We have also found that intratumoral IL-17 expression was significantly correlated with age (<i>p</i>=0.004) and that the number of CD8<sup>+ </sup>TILs was significantly correlated with UICC staging (<i>p</i>=0.012) and the depth of tumor invasion (<i>p</i>=0.022). The five-year overall survival probability among patients intratumorally expressing higher levels of IL-17 was significantly better than those expressing lower levels of IL-17 (<i>p</i>=0.036). Multivariate Cox proportional hazard analyses revealed that intratumoral IL-17 expression (HR: 0.521; 95% CI: 0.329-0.823; <i>p</i>=0.005) was an independent factor affecting the five-year overall survival probability. We conclude that low levels of intratumoral IL-17 expression may indicate poor prognosis in gastric adenocarcinoma patients.</p> |
url |
http://www.biolsci.org/v07p0053.htm |
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