Jing Li, Weixing Qu, Yazhou Jiang, Yi Sun, Yongyi Cheng, Tiejun Zou, Shuangkuan Du

Oncology Research, Vol.24, No.6, pp. 391-398, 2016, DOI:10.3727/096504016X14666990347518

Abstract MicroRNAs (miRNAs) have been shown to be involved in bladder cancer progression. miR-489 (also known as miR-489-3p) was recently reported to be a tumor suppressor in several cancers. However, its exact role and mechanism in the progression of bladder cancer are largely unknown. In this study, we explore the role of miR-489 in the proliferation and invasion of human bladder cancer cells. The miR-489 expression levels were detected in bladder cancer and normal adjacent tissues, as well as in human normal bladder epithelial cells and bladder cancer cell lines. The results showed that miR-489… More >

Yangjing Chen, Shaoqiang Zhang, Ruimin Zhao, Qian Zhao, Ting Zhang

Oncology Research, Vol.25, No.8, pp. 1215-1222, 2017, DOI:10.3727/096504016X14791715355957

Abstract Medullary thyroid carcinoma (MTC) is a neuroendocrine cancer derived from parafollicular C cells in the thyroid gland. It has great interest as a research focus because of its unusual genetic, clinical, and prognostic characteristics. However, the pathogenesis in MTC is not completely clear. We investigated the role of miR- 9-3p and bladder cancer-associated protein (BLCAP) in MTC TT cells. First, miR-9-3p expression was upregulated in human MTC tissues and TT cells and compared to the control by RT-PCR. Flow cytometric analysis indicated that the cell cycle progression in TT cells was significantly inhibited by the… More >

Zhangjie Jiang^*1, Yida Zhang^†1, Runfu Cao^†, Li Li^‡, Kezhao Zhong^†, Qingsheng Chen^†, Jianjun Xiao^†

Oncology Research, Vol.25, No.7, pp. 1081-1087, 2017, DOI:10.3727/096504016X14831120463349

Abstract miRNAs play a key role in the carcinogenesis of many cancers, including bladder cancer. In the current study, the role of miR-5195-3p, a quite recently discovered and poorly studied miRNA, in the proliferation and invasion of human bladder cancer cells was investigated. Our data displayed that, compared with healthy volunteers (control) and SU-HUC-1 normal human bladder epithelial cells, miR-5195-3p was sharply downregulated in bladder cancer patients and five human bladder cancer cell lines. The oligo miR-5195-3p mimic or miR-5195-3p antagomir was subsequently transfected into both T24 and BIU-87 bladder cancer cell lines. The miR-5195-3p mimic… More >

He-Peng Cheng¹, Qian Liu¹, Yang Li, Xiao-Dong Li, Chao-Yang Zhu

Oncology Research, Vol.25, No.4, pp. 587-593, 2017, DOI:10.3727/096504016X14761811155298

Abstract Protein disulfide isomerases A6 (PDIA6) belongs to the PDI family. Recently, PDIA6 was found to have a close association with various cancers. However, there has been little investigation into the biological functions of PDIA6 in bladder cancer (BC). In this study, we explored the expression pattern and functional significance of PDIA6 in BC. We found that PDIA6 was overexpressed in BC tissues and cell lines. The in vitro study showed that PDIA6 downregulation significantly inhibited BC proliferation and invasion. In addition, the in vivo experiment demonstrated that PDIA6 downregulation decreased the volume, weight, and metastasis More >

Xuan Liang^*, Qun-Li Men^†, Yong-wei Li^‡, He-Cheng Li^§, Tie Chong^§, Zhao-lun Li^§

Oncology Research, Vol.25, No.1, pp. 99-105, 2017, DOI:10.3727/096504016X14719078133609

Abstract Armadillo repeat-containing protein 8 (ARMc8) is a key factor in regulating cell migration, proliferation, tissue maintenance, and tumorigenesis. However, its role in bladder cancer remains unknown. Thus, in this study we sought to investigate the effect of ARMc8 on the epithelial-to-mesenchymal transition (EMT) progress in bladder cancer cells induced by transforming growth factor-b1 (TGF-β1). Our results found that ARMc8 was highly expressed in bladder cancer cell lines. ARMc8 silencing inhibited the TGF-β1-induced migration and invasion and suppressed the EMT progress in bladder cancer cells. Furthermore, ARMc8 silencing inhibited the TGF-β1-induced expression of β-catenin, cyclin D1, More >

Haoran Wu¹, Xugang Wang¹, Naixin Mo, Liang Zhang, Xiaoliang Yuan, Zhong Lü

Oncology Research, Vol.26, No.8, pp. 1267-1274, 2018, DOI:10.3727/096504018X15172227703244

Abstract B7-homolog 4 (B7-H4), a member of the B7 family of costimulatory molecules, has been reported to be upregulated in urothelial cell carcinoma. This study was conducted to explore the biological role of B7-H4 in the aggressiveness of bladder cancer and the associated molecular mechanism. We found that the mRNA and protein levels of B7-H4 were significantly greater in bladder cancer cell lines than in SV-HUC-1 (normal human urothelial cells). Overexpression of B7-H4 significantly promoted bladder cancer cell migration and invasion, whereas knockdown of B7-H4 exerted an opposite effect. However, the growth of bladder cancer cells More >

Xiaoyun Liu¹, Shuguang Li¹, Yanyan Li, Bo Cheng, Bo Tan, Gang Wang

Oncology Research, Vol.26, No.8, pp. 1227-1234, 2018, DOI:10.3727/096504018X15178736525106

Abstract Bladder cancer (BC) is a common disease of the urinary system. Puerarin is a flavonoid extracted from Pueraria lobata. However, the role of puerarin in BC remains unclear. Hence, this study aimed to investigate the effect of puerarin on BC cells. Cell viability, proliferation, and apoptosis were measured by CCK-8, BrdU assay, and flow cytometry analysis, respectively. The expressions of miR-16, apoptosis-related factors, and the main factors of the NF-kB pathway were analyzed by qRT-PCR and Western blot. In this study, we found that cell viability and proliferation were significantly reduced, cell apoptosis was enhanced, and… More >

Jie Shen^*, Jianhua Zhang^†, Minhui Xiao^*, Junfeng Yang^*, Ningnan Zhang^*

Oncology Research, Vol.26, No.8, pp. 1155-1165, 2018, DOI:10.3727/096504017X15041934685237

Abstract miR-203 is an epigenetically silenced tumor-suppressive microRNA in tumors. This study was designed to investigate the effects of miR-203 on the proliferation, migration, invasion, and apoptosis of bladder cancer (BCa) cells. The expression levels of miR-203 in BCa tissues, normal adjacent tissues, and BCa cell lines were detected. BCa cells were transfected with miR-203 mimic and inhibitor to investigate the effect of miR-203 on cell functions and the epithelial–mesenchymal transition (EMT). Cotransfection with miR-203 inhibitor and shRNA of the predicted target gene Twist1 (si-Twist1) was performed to investigate the target relationship of miR-203 and Twist1.… More >

Peng Guo^*, Guohui Zhang^*†, Jialin Meng^‡, Qian He^*, Zhihui Li^†, Yawei Guan^†

Oncology Research, Vol.26, No.7, pp. 1083-1091, 2018, DOI:10.3727/096504018X15152085755247

Abstract Bladder cancer (BC) is one of the leading causes of cancer-related deaths in the world. Long noncoding RNA (lncRNA) taurine-upregulated gene 1 (TUG1) plays an important role in the development and progression of numerous cancers, including BC. However, the exact role of TUG1 in modulating BC progression is still poorly known. In this study, we found that TUG1 was upregulated and microRNA-29c (miR-29c) was downregulated in BC tissues and cell lines. Overexpression of TUG1 promoted the cell proliferation of T24 and EJ cells, whereas TUG1 knockdown had the opposite effect. Upregulation of TUG1 obviously facilitated… More >

Xingquan Zhai, Wei Xu

Oncology Research, Vol.26, No.7, pp. 1063-1072, 2018, DOI:10.3727/096504018X15152072098476

Abstract This study aimed to explore the biological functions of long noncoding RNA activated by transforming growth factor-b (lncRNA-ATB) in bladder cancer cells. For the expressions of lncRNA-ATB, miR-126, and KRAS, T24 cells were transfected with their specific vectors/shRNA or mimic/inhibitor. Then cell viability, migration, invasion, and apoptosis as well as the protein levels of apoptosis-related factors and PI3K/AKT and mTOR signal pathways were measured. The relationships of lncRNA-ATB and miR-126 or miR-126 and KRAS were analyzed by Dual-Luciferase Reporter assay. Functional experiments showed that lncRNA-ATB overexpression significantly promoted cell viability, migration, and invasion in T24 More >