FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma
Mulin Liu,1,* Qin Zheng,2,* Siyi Chen,2 Jiwei Liu,3 Shijun Li1 1Department of Clinical Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, 116011, People’s Republic of China; 2Department of Biochemistry and Molecular Biology, Dalian Medical Un...
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2021
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bladder urothelial carcinoma fut7 emt diagnosis prognosis immune infiltration Pathology RB1-214 Therapeutics. Pharmacology RM1-950 |
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bladder urothelial carcinoma fut7 emt diagnosis prognosis immune infiltration Pathology RB1-214 Therapeutics. Pharmacology RM1-950 Liu M Zheng Q Chen S Liu J Li S FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
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Mulin Liu,1,* Qin Zheng,2,* Siyi Chen,2 Jiwei Liu,3 Shijun Li1 1Department of Clinical Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, 116011, People’s Republic of China; 2Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning Province, 116044, People’s Republic of China; 3Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, 116011, People’s Republic of China*These authors contributed equally to this workCorrespondence: Shijun LiDirector of Department of Clinical Laboratory, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning Province, 116011, People’s Republic of ChinaTel +86-0411-83635963-2232Fax +86-0411-83622844Email lishijun@dmu.edu.cnJiwei LiuDirector of Department of Oncology, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning Province, 116011, People’s Republic of ChinaTel +86-0411-83635963-2232Fax +86-0411-83622844Email liujiwei451@126.comBackground: Bladder urothelial carcinoma (BLCA) is one of the most frequently appearing, lethal and aggressive malignancies of the genitourinary system with growing morbidity and mortality, which affects human health seriously. Protein glycosylation, catalyzed by specific glycosyltransferase, has been found to be abnormal in several diseases, especially cancer. Fucosyltransferase VII (FUT7), one of the fucosyltransferases, was observed abnormally expressed in various cancers, however, the role of FUT7 in BLCA, and the association between its expression and clinical outcomes or immune infiltration remains unclear.Methodology: FUT7 expression in BLCA was analyzed in Oncomine database, which was further confirmed with immunohistochemistry and ELISA. The prognostic value of FUT7 for BLCA was evaluated with PrognoScan database, and its genetic alteration was examined in cBioPortal database. The proliferation, migration, invasion and epithelial–mesenchymal transition (EMT) changes of bladder cancer cells after FUT7 siRNA or cDNA transfection were determined by CCK8, colony formation, transwell and Western blot, respectively. The correlation between FUT7 expression and immune infiltration levels was analyzed in TIMER and TISIDB databases, and the methylation level of FUT7 was detected in UALCAN database.Results: The results showed that the expression of FUT7 was increased in BLCA, and patients with high FUT7 level were predicted to have lower overall survival and disease-specific survival rates, which were not influenced by FUT7 genetic alterations. Downregulation FUT7 inhibited the proliferation, migration, invasion and EMT of bladder cancer cells, whereas upregulation of FUT7 showed the opposite effects. We found that FUT7 was positively correlated with immune cell infiltration levels (CD8+ T cells, CD4+T cells, macrophage, neutrophil and dendritic cells), and also the expression of gene markers of immune cells. The negative correlation between FUT7 expression and FUT7 methylation level was observed, among which FUT7 expression was positively correlated with the abundance of 28 kinds of tumor-infiltrating lymphocytes (TILs), while FUT7 methylation level was negatively correlated with TILs.Conclusion: Altogether, these findings suggested that FUT7 possessed the potential to serve as a detection biomarker or immunotherapeutic target for BLCA.Keywords: bladder urothelial carcinoma, FUT7, EMT, diagnosis, prognosis, immune infiltration |
| format |
article |
| author |
Liu M Zheng Q Chen S Liu J Li S |
| author_facet |
Liu M Zheng Q Chen S Liu J Li S |
| author_sort |
Liu M |
| title |
FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
| title_short |
FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
| title_full |
FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
| title_fullStr |
FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
| title_full_unstemmed |
FUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma |
| title_sort |
fut7 promotes the epithelial–mesenchymal transition and immune infiltration in bladder urothelial carcinoma |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/e9b194d1aee74085842b5ee999402945 |
| work_keys_str_mv |
AT lium fut7promotestheepithelialndashmesenchymaltransitionandimmuneinfiltrationinbladderurothelialcarcinoma AT zhengq fut7promotestheepithelialndashmesenchymaltransitionandimmuneinfiltrationinbladderurothelialcarcinoma AT chens fut7promotestheepithelialndashmesenchymaltransitionandimmuneinfiltrationinbladderurothelialcarcinoma AT liuj fut7promotestheepithelialndashmesenchymaltransitionandimmuneinfiltrationinbladderurothelialcarcinoma AT lis fut7promotestheepithelialndashmesenchymaltransitionandimmuneinfiltrationinbladderurothelialcarcinoma |
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1718395317106245632 |
| spelling |
oai:doaj.org-article:e9b194d1aee74085842b5ee9994029452021-12-02T11:45:13ZFUT7 Promotes the Epithelial–Mesenchymal Transition and Immune Infiltration in Bladder Urothelial Carcinoma1178-7031https://doaj.org/article/e9b194d1aee74085842b5ee9994029452021-03-01T00:00:00Zhttps://www.dovepress.com/fut7-promotes-the-epithelialndashmesenchymal-transition-and-immune-inf-peer-reviewed-article-JIRhttps://doaj.org/toc/1178-7031Mulin Liu,1,* Qin Zheng,2,* Siyi Chen,2 Jiwei Liu,3 Shijun Li1 1Department of Clinical Laboratory, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, 116011, People’s Republic of China; 2Department of Biochemistry and Molecular Biology, Dalian Medical University, Dalian, Liaoning Province, 116044, People’s Republic of China; 3Department of Oncology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, 116011, People’s Republic of China*These authors contributed equally to this workCorrespondence: Shijun LiDirector of Department of Clinical Laboratory, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning Province, 116011, People’s Republic of ChinaTel +86-0411-83635963-2232Fax +86-0411-83622844Email lishijun@dmu.edu.cnJiwei LiuDirector of Department of Oncology, The First Affiliated Hospital of Dalian Medical University, No. 222 Zhongshan Road, Dalian, Liaoning Province, 116011, People’s Republic of ChinaTel +86-0411-83635963-2232Fax +86-0411-83622844Email liujiwei451@126.comBackground: Bladder urothelial carcinoma (BLCA) is one of the most frequently appearing, lethal and aggressive malignancies of the genitourinary system with growing morbidity and mortality, which affects human health seriously. Protein glycosylation, catalyzed by specific glycosyltransferase, has been found to be abnormal in several diseases, especially cancer. Fucosyltransferase VII (FUT7), one of the fucosyltransferases, was observed abnormally expressed in various cancers, however, the role of FUT7 in BLCA, and the association between its expression and clinical outcomes or immune infiltration remains unclear.Methodology: FUT7 expression in BLCA was analyzed in Oncomine database, which was further confirmed with immunohistochemistry and ELISA. The prognostic value of FUT7 for BLCA was evaluated with PrognoScan database, and its genetic alteration was examined in cBioPortal database. The proliferation, migration, invasion and epithelial–mesenchymal transition (EMT) changes of bladder cancer cells after FUT7 siRNA or cDNA transfection were determined by CCK8, colony formation, transwell and Western blot, respectively. The correlation between FUT7 expression and immune infiltration levels was analyzed in TIMER and TISIDB databases, and the methylation level of FUT7 was detected in UALCAN database.Results: The results showed that the expression of FUT7 was increased in BLCA, and patients with high FUT7 level were predicted to have lower overall survival and disease-specific survival rates, which were not influenced by FUT7 genetic alterations. Downregulation FUT7 inhibited the proliferation, migration, invasion and EMT of bladder cancer cells, whereas upregulation of FUT7 showed the opposite effects. We found that FUT7 was positively correlated with immune cell infiltration levels (CD8+ T cells, CD4+T cells, macrophage, neutrophil and dendritic cells), and also the expression of gene markers of immune cells. The negative correlation between FUT7 expression and FUT7 methylation level was observed, among which FUT7 expression was positively correlated with the abundance of 28 kinds of tumor-infiltrating lymphocytes (TILs), while FUT7 methylation level was negatively correlated with TILs.Conclusion: Altogether, these findings suggested that FUT7 possessed the potential to serve as a detection biomarker or immunotherapeutic target for BLCA.Keywords: bladder urothelial carcinoma, FUT7, EMT, diagnosis, prognosis, immune infiltrationLiu MZheng QChen SLiu JLi SDove Medical Pressarticlebladder urothelial carcinomafut7emtdiagnosisprognosisimmune infiltrationPathologyRB1-214Therapeutics. PharmacologyRM1-950ENJournal of Inflammation Research, Vol Volume 14, Pp 1069-1084 (2021) |