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Journal of Experimental & Clinical Cancer Research: CR

Min Sha, Mei Lin, Jia Wang, Jun Ye, Jie Xu, Ning Xu, Junxing Huang
BACKGROUND: The objective of this study was to investigate the role and mechanism of long non-coding RNA MIAT in gastric cancer (GC). METHODS: Real-time PCR was used to determine MIAT level in 120 GC tissues, and in two gastric cancer cell lines. The clinicopathological characteristics of MIAT in GC patients were analyzed. Small interfering RNA specific for MIAT (si-MIAT) and lentivector for si-MIAT was performed to down-regulate MIAT expression in GC cells and in animal tumor model, respectively...
March 14, 2018: Journal of Experimental & Clinical Cancer Research: CR
Chao-Hui Zheng, Jia-Bin Wang, Man-Qiang Lin, Peng-Yang Zhang, Li-Chao Liu, Jian-Xian Lin, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Jian-Wei Xie, Ping Li, Chang-Ming Huang
BACKGROUND: CDK5RAP3 was initially isolated as a binding protein of the CDK5 activator p35. Although CDK5RAP3 has been shown to negatively regulate the Wnt/β-catenin signaling pathway in gastric cancer by repressing GSK-3β phosphorylation, its in-depth mechanism has not been determined. METHODS: Following CDK5RAP3 overexpression or knock down, CDK5RAP3 signaling pathways were investigated in gastric cancer cells by Western Blotting. Cell growth, invasion and migration were also evaluated in gastric cancer cell lines...
March 14, 2018: Journal of Experimental & Clinical Cancer Research: CR
Manuela Porru, Luca Pompili, Carla Caruso, Annamaria Biroccio, Carlo Leonetti
Developing drugs that target KRAS, the most frequently mutated oncogene in cancer, has not been successful despite much concerted efforts dedicated towards it in the last thirty years. Considering the key role this driver oncogene plays, the pharmacological drugging of KRAS remains a key challenge for cancer research. In this review, we highlight the emerging experimental strategies for blocking KRAS function and signaling and its direct targeting. We also report on the results in this field of research produced by our group...
March 13, 2018: Journal of Experimental & Clinical Cancer Research: CR
C B Thomsen, T F Hansen, R F Andersen, J Lindebjerg, L H Jensen, A Jakobsen
BACKGROUND: Precision medicine calls for an early indicator of treatment efficiency. Circulating tumor DNA (ctDNA) is a promising marker in this setting. Our prospective study explored the association between disease development and change of ctDNA during first line chemotherapy in patients with RAS/RAF mutated metastatic colorectal cancer (mCRC). METHODS: The study included 138 patients with mCRC receiving standard first line treatment. In patients with RAS/RAF mutated tumor DNA the same mutation was quantified in the plasma using droplet digital PCR...
March 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
Hui Ran, Yemin Zhu, Ruyuan Deng, Qi Zhang, Xisheng Liu, Ming Feng, Jie Zhong, Shuhai Lin, Xuemei Tong, Qing Su
BACKGROUND: Diabetic patients have a higher risk factor for colorectal cancer (CRC) metastasis. Stearoyl-CoA desaturase 1 (SCD1), the main enzyme responsible for producing monounsaturated fatty acids(MUFA) from saturated fatty acids, is frequently deregulated in both diabetes and CRC. The function and mechanism of SCD1 in metastasis of CRC and its relevance to glucose remains largely unknown. METHODS: SCD1 expression levels were analyzed in human CRC tissues and the Cancer Browser database ( https://genome-cancer...
March 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
Zhi-Wei Chang, Yong-Xu Jia, Wei-Jie Zhang, Li-Jie Song, Ming Gao, Ming-Jun Li, Rui-Hua Zhao, Jing Li, Ya-Li Zhong, Qiao-Zhi Sun, Yan-Ru Qin
BACKGROUND: This study aims to clarify the underlying mechanism for the tumor suppressive function of lnc TUSC7 in chemotherapy resistance of esophageal squamous cell carcinoma (ESCC). METHODS: TUSC7, miR-224 and DESC1 expressions in ESCC tissues and cells were detected by qRT-PCR. Protein level of DESC1, EGFR and p-AKT were observed by Western blot. Overall survival was calculated using the Kaplan-Meier method. Dual-luciferase reporter gene assay and RIP assay were used to comfirm TUSC7 binding to miR-224, and miR-224 binding to DESC1...
March 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
Bao-Xia Li, Heng-Bang Wang, Miao-Zhen Qiu, Qiu-Yun Luo, Han-Jie Yi, Xiang-Lei Yan, Wen-Tao Pan, Lu-Ping Yuan, Yu-Xin Zhang, Jian-Hua Xu, Lin Zhang, Da-Jun Yang
BACKGROUND: Ovarian cancer is a deadly disease. Inhibitors of apoptosis proteins (IAPs) are key regulators of apoptosis and are frequently dysregulated in ovarian cancer. Overexpression of IAPs proteins has been correlated with tumorigenesis, treatment resistance and poor prognosis. Reinstalling functional cell death machinery by pharmacological inhibition of IAPs proteins may represent an attractive therapeutic strategy for treatment of ovarian cancer. METHODS: CCK-8 and colony formation assay was performed to examine cytotoxic activity...
March 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
Xiao Fu, Mengjie Liu, Shengyang Qu, Jiequn Ma, Yamin Zhang, Tingting Shi, Hongqing Wen, Yujuan Yang, Shuhong Wang, Jing Wang, Kejun Nan, Yu Yao, Tao Tian
BACKGROUND: Multidrug resistance is the main obstacle for hepatocellular carcinoma (HCC) treatment. miR-32-5p is involved in HCC progression but its function in multidrug resistance is still unclear. Here we aim to find out the function of miR-32-5p in inducing multidrug resistance and its underlying mechanisms of transforming sensitive cell to resistant cell. METHODS: We detected the expression of miR-32-5p and PTEN in the multidrug-resistant cell line (Bel/5-FU) and the sensitive cell line (Bel7402), HCC and para-carcinoma liver tissues through real-time PCR...
March 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
Shu-Guang Li, Qian-Wei Shi, Ling-Yan Yuan, Li-Ping Qin, Yan Wang, Yu-Qing Miao, Zhe Chen, Chang-Quan Ling, Wen-Xing Qin
BACKGROUND: Triptolide is a structurally unique diterpene triepoxide with potent antitumor activity. However,the effect and mechanism of triptolide on hepatocellular carcinoma (HCC) is not well studied. METHODS: Cells were treated with triptolide, and the anti-HCC activity of triptolide was evaluated using flow cytometry, western blot, and xenograft studies. MicroRNA microarray and quantitative reverse-transcription polymerase chain reaction was used to identify differential microRNAs induced by triptolide...
March 9, 2018: Journal of Experimental & Clinical Cancer Research: CR
Zhikui Liu, Yufeng Wang, Changwei Dou, Liankang Sun, Qing Li, Liang Wang, Qiuran Xu, Wei Yang, Qingguang Liu, Kangsheng Tu
BACKGROUND: Accumulating evidence confirm that aberrant microRNAs (miRNAs) expression contributes to hepatocellular carcinoma (HCC) development and progression. Previous study reported that miR-1468 showed an up-regulated tendency and might be a potential prognostic biomarker in HCC samples derived from TCGA database. However, the role of miR-1468 and its underlying mechanisms involved in the growth and metastasis of HCC remain poorly investigated. METHODS: CCK-8, EdU, colony formation and flow cytometry were used to determine proliferation, cell cycle progression and apoptosis of HCC cells in vitro...
March 6, 2018: Journal of Experimental & Clinical Cancer Research: CR
Dong-Dong Cheng, Shi-Jie Li, Bin Zhu, Shu-Min Zhou, Qing-Cheng Yang
BACKGROUND: Dysregulation of eukaryotic translation elongation factor 1 delta (EEF1D) in cancers has been reported; however, the role and mechanisms of EEF1D in osteosarcoma remain poorly understood. The aim of this study is to investigate the expression and role of EEF1D in osteosarcoma and to elucidate its underlying mechanisms. METHODS: The expression of EEF1D in osteosarcomas and cell lines was evaluated by qRT-PCR, Western blotting and immunohistochemistry...
March 6, 2018: Journal of Experimental & Clinical Cancer Research: CR
Ji-Long Wang, Meng-Yuan Yang, Shuai Xiao, Bo Sun, Yi-Ming Li, Lian-Yue Yang
BACKGROUND: Castor zinc finger 1 (CASZ1) plays critical roles in various biological processes and pathologic conditions, including cancer. However, the prognostic importance and biologic functions of CASZ1 in hepatocellular carcinoma (HCC) are still unclear. METHODS: qRT-PCR, western blot and immunohistochemistry analyses were used to determine CASZ1 expression in HCC samples and cell lines. The clinical significance of CASZ1 was assessed in two independent study cohorts containing 232 patients with HCC...
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Jianjun Zhu, Mingpeng Jin, Jiaojiao Wang, Hui Zhang, Yousheng Wu, Deyang Li, Xiaoying Ji, Hushan Yang, Chun Yin, Tingting Ren, Jinliang Xing
BACKGROUND: Tumor necrosis factor-α has been proven an effective anticancer agent in preclinical studies. However, the translation of TNFα from research to clinic has been blocked by significant systemic toxicity and limited efficacy at maximal tolerated dose, which need urgently to be solved. METHODS: The level of cytosolic Ca2+ was assessed by Fura-2 in HCC cells. After changing cytosolic Ca2+ level by using agonists or inhibitors, cell apoptosis was detected by flow cytometry...
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Jian-Feng Liu, Lei Wu, Lei-Lei Yang, Wei-Wei Deng, Liang Mao, Hao Wu, Wen-Feng Zhang, Zhi-Jun Sun
BACKGROUND: T-cell immunoglobulin mucin 3 (TIM3) is a negative immune checkpoint and plays a crucial part in tumor-induced immune suppression. However, the mechanism of TIM3 in regulating immunosuppression in head and neck squamous cell carcinoma (HNSCC) was still not quite clear. METHODS: We carried out the immunohistochemistry staining of HNSCC tissue microarrays. Through quantification of the histoscore, we performed the correlation analysis among the TIM3, Galectin-9, Foxp3, CD68 and CD163...
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Maria Teresa Di Martino, Francesca Zazzeroni, Massimo Donadelli, Claudia Chiodoni, Michele Caraglia, Katia Scotlandi, Stefania Meschini, Carlo Leonetti
No abstract text is available yet for this article.
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Dongliang Li, Yongjian Zhang, He Zhang, Chao Zhan, Xin Li, Tu Ba, Zini Qiu, Fang E, Guixiang Lv, Chendan Zou, Chuxuan Wang, Lining Si, Chaoxia Zou, Qiang Li, Xu Gao
BACKGROUND: Cell adhesion molecules (CADMs) comprise of a protein family whose functions include maintenance of cell polarity and tumor suppression. Hypo-expression of CADM2 gene expression has been observed in several cancers including hepatocellular carcinoma (HCC). However, the role and mechanisms of CADM2 in HCC remain unclear. METHODS: The expression of CADM2 and miRNA-10b (miR-10b) in HCC tissues and cell lines were detected using real-time PCR and Western blotting...
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Matteo Allegretti, Alessandra Fabi, Simonetta Buglioni, Aline Martayan, Laura Conti, Edoardo Pescarmona, Gennaro Ciliberto, Patrizio Giacomini
The United States Food and Drug Administration (FDA) recently approved the clinical use of two comprehensive 'mid-size' Next Generation Sequencing (NGS) panels calling actionable genomic aberrations in cancer. This is the first endorsement, by a regulatory body, of a new standard of care in oncology. Herein, we argue that besides its many practice-changing implications, this approval tears down the conceptual walls dividing system biology from clinical practice, diagnosis from research, prevention from therapy, cancer genetics from cancer genomics, and computational biology from empirical therapy assignment...
March 5, 2018: Journal of Experimental & Clinical Cancer Research: CR
Xiang Hu, Ya-Qi Li, Qing-Guo Li, Yan-Lei Ma, Jun-Jie Peng, San-Jun Cai
BACKGROUND: Many types of cancers are devoid of the small leucine-rich proteoglycans: osteoglycin (OGN), but its role in tumorigenesis is poorly studied especially in colorectal cancers (CRC). Here we aim to evaluate the relationship between OGN expression patterns and the clinical course of CRC, and the role of OGN in cancer progression. METHODS: The tissue microarray staining was performed and the relevance between OGN expression and oncologic outcomes was performed using Cox regression analysis...
March 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
Huiqin Zhuo, Baoshi Zheng, Jianming Liu, Yong Huang, Huiling Wang, Duo Zheng, Naiquan Mao, Jinyu Meng, Sufang Zhou, Liping Zhong, Yongxiang Zhao
BACKGROUND: Anti-CD105 mAb-conjugated immunoliposomes, loaded with secreted mouse endostatin gene, were developed for targeted tumor imaging and antiangiogenic gene therapy. METHODS: The liposomes were investigated for size, zeta-potential, lipid content, antibody binding ability, and pcDNA loading capacity. The ability of immunoliposomes to target tumor-derived endothelial cells and perform gene transfer in vitro was measured and their basic biocompatibility was evaluated...
March 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
Jingyuan Tang, Feng Wang, Gong Cheng, Shuhui Si, Xi Sun, Jie Han, Hao Yu, Wei Zhang, Qiang Lv, Ji-Fu Wei, Haiwei Yang
BACKGROUND: Wilms' tumor 1-associating protein (WTAP) plays an important role in physiological processes and the development of tumor such as cell cycle regulation. The regulation of cell cycle is mainly dependent on cyclins and cyclin-dependent protein kinases (CDKs). Recent studies have shown that CDKs are closely related to the tumor diagnosis, progression and response to treatment. However, their specific biological roles and related mechanism in renal cell carcinoma (RCC) remain unknown...
February 27, 2018: Journal of Experimental & Clinical Cancer Research: CR
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