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https://www.readbyqxmd.com/read/28430799/diagnostic-and-prognostic-value-of-long-noncoding-rnas-as-biomarkers-in-urothelial-carcinoma
#1
Johanna Droop, Tibor Szarvas, Wolfgang A Schulz, Christian Niedworok, Günter Niegisch, Kathrin Scheckenbach, Michèle J Hoffmann
Many long noncoding RNAs (lncRNAs) are deregulated in cancer and contribute to oncogenesis. In urothelial carcinoma (UC), several lncRNAs have been reported to be overexpressed and proposed as biomarkers. As most reports have not been confirmed independently in large tissue sets, we aimed to validate the diagnostic and prognostic value of lncRNA upregulation in independent cohorts of UC patients. Thus, expression of seven lncRNA candidates (GAS5, H19, linc-UBC1, MALAT1, ncRAN, TUG1, UCA1) was measured by RT-qPCR in cell lines and tissues and correlated to clinicopathological parameters including follow-up data (set 1: N n = 10; T n = 106)...
2017: PloS One
https://www.readbyqxmd.com/read/28411362/knockdown-of-long-noncoding-rna-tug1-inhibits-the-proliferation-and-cellular-invasion-of-osteosarcoma-cells-by-sponging-mir-153
#2
Heping Wang, Yanzhang Yu, Shuxin Fan, Leifeng Luo
Long noncoding RNA (lncRNA) Taurine-upregulated gene 1 (TUG1) has been confirmed to be involved in the progression of various cancers, however, its mechanism of action in osteosarcoma has not been well addressed. In our study, TUG1 was overexpressed and miR-153 was downregulated in osteosarcoma tissues and cell lines. Loss-of-function assay showed that TUG1 knockdown suppressed the viability, colony formation, and invasion of osteosarcoma cells in vitro. Moreover, TUG1 was confirmed to be a miR-153 sponge. Ectopic expression of TUG1 reversed the inhibitory effect of miR-153 on the proliferation and invasion of osteosarcoma cells...
April 12, 2017: Oncology Research
https://www.readbyqxmd.com/read/28404901/long-non-coding-rna-tug1-promotes-endometrial-cancer-development-via-inhibiting-mir-299-and-mir-34a-5p-liu
#3
Lifen Liu, Xin Chen, Ying Zhang, Yanrong Hu, Xiaoqing Shen, Weipei Zhu
It is generally known that the human genome makes a large amount of noncoding RNAs compared with coding genes. Long non-coding RNAs (lncRNAs) which composed of more than 200 nucleotides have been described as the largest subclass of the non-coding transcriptome in human noncoding RNAs. Existing research shows that lncRNAs exerted biological functions in various tumors via participating in both oncogenic and tumor suppressing pathways. The previous studies indicated that lncRNA taurine upregulated 1 (TUG1) play important roles in the initiation and progression of malignancies...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392351/tug1-promotes-lens-epithelial-cell-apoptosis-by-regulating-mir-421-caspase-3-axis-in-age-related-cataract
#4
Guoxing Li, Huiyang Song, Weihua Yang, Shanshan Zhang, Kaihui Nan, Peirong Lu
BACKGROUND: Age-related cataract is among the most common chronic disorders of ageing and the apoptosis of lens epithelial cells contributes to non-congenital cataract development. We amid to explore the role of TUG1 and miR-421 in the age-related cataract. METHODS: The expression level of TUG1, miR-421 and caspase-3 were detected by RT-qPCR. The apoptotic-related protein, caspase-3, Bax and blc-2 were analyzed by western blot. We performed ultraviolet (UV) irradiation to induce SAR01/04l cell apoptosis which was analyzed by flow cytometry...
April 6, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28376901/down-regulation-of-lncrna-tug1-enhances-radiosensitivity-in-bladder-cancer-via-suppressing-hmgb1-expression
#5
Huijuan Jiang, Xigang Hu, Hongzhi Zhang, Wenbo Li
BACKGROUND: Long non-coding RNAs (lncRNAs) have been reported to regulate the sensitivity of different cancer cells to chemoradiotherapy. Aberrant expression of lncRNA Taurine-upregulated gene 1 (TUG1) has been found to be involved in the development of bladder cancer, however, its function and underlying mechanism in the radioresistance of bladder cancer remains unclear. METHODS: Quantitative real-time PCR (qRT-PCR) was conducted to measure the expression of TUG1 and HMGB1 mRNA in bladder cancer tissues and cell lines...
April 4, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28344045/ezh2-mediated-%C3%AE-actin-methylation-needs-lncrna-tug1-and-promotes-the-cortex-cytoskeleton-formation-in-vsmcs
#6
Rong Chen, Peng Kong, Fan Zhang, Ya-Nan Shu, Xi Nie, Li-Hua Dong, Yan-Ling Lin, Xiao-Li Xie, Li-Li Zhao, Xiang-Jian Zhang, Mei Han
Recent studies have revealed that long non-coding RNAs (lncRNAs) participate in vascular homeostasis and pathophysiological conditions development. But still very few literatures elucidate the regulatory mechanism of non-coding RNAs in this biological process. Here we identified lncRNA taurine up-regulated gene 1 (TUG1) in rat vascular smooth muscle cells (VSMCs), and got 4612bp nucleotide sequence. The expression level of TUG1 RNA was increased in synthetic VSMCs by real-time PCR analysis. Meanwhile, the expression of enhancer of zeste homolog 2 (EZH2) (TUG1 binding protein) increased in cytoplasm of VSMCs under the same conditions...
March 23, 2017: Gene
https://www.readbyqxmd.com/read/28302487/tug1-mediates-methotrexate-resistance-in-colorectal-cancer-via-mir-186-cpeb2-axis
#7
Changfeng Li, Yongjian Gao, Yongchao Li, Dayong Ding
Colorectal cancer (CRC) is a common malignancy, most of which remain unresponsive to chemotherapy. Methotrexate (MTX) is one of the earliest cytotoxic drugs and serves as an anti-metabolite and anti-folate chemotherapy for various types of cancer. However, MTX resistance prevents its clinical application in cancer therapy. Thereby, overcoming the drug resistance is an alternative strategy to maximize the efficacy of MTX therapies in clinics. Long non-coding RNAs (lncRNAs) have gained widespread attention in recent years...
March 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28205334/long-non-coding-rna-tug1-promotes-migration-and-invasion-by-acting-as-a-cerna-of-mir-335-5p-in-osteosarcoma-cells
#8
Yong Wang, Tao Yang, Zhen Zhang, Ming Lu, Wei Zhao, Xiandong Zeng, Weiguo Zhang
Long non-coding RNAs (lncRNAs) have now become the new hotspots in an ocean of diseases including osteosarcoma. The function of taurine up-regulated gene 1 (TUG1) and its working mechanism in osteosarcoma remain unclear. In our research, we found that TUG1 was elevated and correlated with a poor prognosis in osteosarcoma patients. Also, the following functional experiment showed that decreased TUG1 could remarkably inhibit osteosarcoma cell migration and invasion, indicating that TUG1 functioned as an oncogene in osteosarcoma...
February 15, 2017: Cancer Science
https://www.readbyqxmd.com/read/28202414/lncrna-tug1-sponges-microrna-9-to-promote-neurons-apoptosis-by-up-regulated-bcl2l11-under-ischemia
#9
Shengcai Chen, Mengdie Wang, Hang Yang, Ling Mao, Quanwei He, Huijuan Jin, Zi-Ming Ye, Xue-Ying Luo, Yuan-Peng Xia, Bo Hu
Emerging studies have illustrated that LncRNAs TUG1 play critical roles in multiple biologic processes. However, the LncRNA TUG1 expression and function in ischemic stroke have not been reported yet. In this study, we found that LncRNA TUG1 expression was significantly up-regulated in brain ischemic penumbra from rat middle carotid artery occlusion (MCAO) model, while similar results were also observed in cultured neurons under oxygen-glucose deprivation (OGD) insult. Knockdown of TUG1 decreased the ratio of apoptotic cells and promoted cells survival in vitro, which may be regulated by the elevated miRNA-9 expression and decreased Bcl2l11 protein...
March 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28178615/long-non-coding-rna-tug1-promotes-cell-proliferation-and-metastasis-by-negatively-regulating-mir-300-in-gallbladder-carcinoma
#10
Fei Ma, Shou-Hua Wang, Qiang Cai, Long-Yang Jin, Di Zhou, Jun Ding, Zhi-Wei Quan
BACKGROUND: As we all know, long non-coding RNAs (lncRNAs) have been reported to play vital roles in various human cancers. In this study, we aimed to explore the role of lncRNA TUG1 in gallbladder carcinoma (GBC) development. METHODS: Total RNA was extracted from the tissues of thirty GBC patients, four GBC cell lines. We detected the expression levels of TUG1 using quantitative real-time PCR. We performed CCK8, colony formation, transwell invasion and apoptosis assays to study the effects of TUG1 on GBC cell proliferation and invasion...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28164690/prognostic-value-of-long-noncoding-rna-tug1-in-human-cancers
#11
Fan Yang, Liu H Wang, Ren F Zhu
No abstract text is available yet for this article.
February 2017: Minerva Medica
https://www.readbyqxmd.com/read/28137588/long-noncoding-rna-tug1-alleviates-extracellular-matrix-accumulation-via-mediating-microrna-377-targeting-of-ppar%C3%AE-in-diabetic-nephropathy
#12
Li-Jun Duan, Min Ding, Li-Jun Hou, Yuan-Tao Cui, Chun-Jun Li, De-Min Yu
Long noncoding RNA taurine-upregulated gene 1 (lncRNA TUG1) has been reported to play a key role in the progression of diabetic nephropathy (DN). However, the role of lncRNA TUG1 in the regulation of diabetic nephropathy remains largely unknown. The aim of the present study is to identify the regulation of lncRNA TUG1 on extracellular matrix accumulation via mediating microRNA-377 targeting of PPARγ, and investigate the underlying mechanisms in progression of DN. Microarray was performed to screen differentially expressed miRNAs in db/db DN mice...
March 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28121352/prognostic-significance-of-overexpressed-long-non-coding-rna-tug1-in-patients-with-clear-cell-renal-cell-carcinoma
#13
P-Q Wang, Y-X Wu, X-D Zhong, B Liu, G Qiao
OBJECTIVE: The long non-coding RNAs (lncRNAs) study has gradually become one of the hot topics in the field of RNA biology. However, little is known about the pathological role of lncRNA TUG1 in clear cell renal cell carcinoma (ccRCC) patients. This study attempted to investigate the association of lncRNA TUG1 expression with progression and prognosis in ccRCC patients. PATIENTS AND METHODS: Using qRT-PCR, the expression of TUG1 was measured in 203 ccRCC tissues and 45 adjacent non-cancerous tissues...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28121347/the-use-of-lncrna-analysis-for-stratification-management-of-prognostic-risk-in-patients-with-nsclc
#14
C-G Zhang, D-D Yin, S-Y Sun, L Han
OBJECTIVE: Lung cancer is the most frequent cancer in China and worldwide. Long noncoding RNAs (lncRNAs) have been shown to play important regulatory roles in human cancer biology. The aim of the present study was to investigate the relationship between genomics and prognosis among lung cancer patients. PATIENTS AND METHODS: We collected specimens from non-small cell lung cancer (NSCLC) patients after surgery. Q-PCR was performed to investigate the expression level of lncRNAs in cancerous and adjacent normal tissue...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28119088/lncrna-tug1-regulates-the-oral-squamous-cell-carcinoma-progression-possibly-via-interacting-with-wnt-%C3%AE-catenin-signaling
#15
Shuang Liang, Songzi Zhang, Peng Wang, Chao Yang, Chen Shang, Jianjun Yang, Jun Wang
Oral squamous cell carcinoma (OSCC) is one the most common cancer affecting the head and neck region, and the molecular mechanisms underlying OSCC development is largely unknown. Long non-coding RNAs (lncRNAs) are emerging as key regulators in tumor development. The present study aimed to investigate the role of lncRNA, taurine upregulated gene 1 (TUG1) in OSCC development. The mRNA and protein expression levels were determined by qRT-PCR and western blotting; flow cytometry and ELISA experiments were employed to examine the cell apoptosis; CCK-8 assay, MTT assay, colony formation assay, and cell invasion assay was used to determine cell growth, cell proliferation and cell invasion, respectively...
April 15, 2017: Gene
https://www.readbyqxmd.com/read/28088836/upregulation-of-long-noncoding-rna-tug1-promotes-cervical-cancer-cell-proliferation-and-migration
#16
Yingying Hu, Xiangwei Sun, Chenchen Mao, Gangqiang Guo, Sisi Ye, Jianfeng Xu, Ruanmin Zou, Jun Chen, Ledan Wang, Ping Duan, Xiangyang Xue
Long noncoding RNAs (lncRNAs), a novel class of transcripts that have critical roles in carcinogenesis and progression, have emerged as important gene expression modulators. Recent evidence indicates that lncRNA taurine-upregulated gene 1 (TUG1) functions as an oncogene in numerous types of human cancers. However, its function in the development of cervical cancer remains unknown. The aim of this research was to investigate the clinical significance and biological functions of TUG1 in cervical cancer. TUG1 was found to be significantly upregulated in cervical cancer tissues and four cervical cancer cell lines by quantitative real-time polymerase chain reaction (qRT-PCR)...
February 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28069000/long-non-coding-rna-tug1-is-involved-in-cell-growth-and-chemoresistance-of-small-cell-lung-cancer-by-regulating-limk2b-via-ezh2
#17
Yuchun Niu, Feng Ma, Weimei Huang, Shun Fang, Man Li, Ting Wei, Linlang Guo
BACKGROUND: Taurine upregulated gene1 (TUG1) as a 7.1-kb lncRNA, has been shown to play an oncogenic role in various cancers. However, the biological functions of lncRNA TUG1 in small cell lung cancer (SCLC) remain unknown. The aim of this study is to explore the roles of TUG1 in cell growth and chemoresistance of SCLC and its possible molecular mechanism. METHODS: The expression of TUG1 in thirty-three cases of SCLC tissues and SCLC cell line were examined by quantitative RT-PCR (qRT-PCR)...
January 9, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28053623/lncrna-taurine-upregulated-gene-1-promotes-cell-proliferation-by-inhibiting-microrna-9-in-mcf-7-cells
#18
Xiao-Bo Zhao, Guo-Sheng Ren
PURPOSE: This study was designed to investigate the role of taurine-upregulated gene 1 (TUG1) in MCF-7 breast cancer cells and the molecular mechanism involved in the regulation of microRNA-9 (miR-9). METHODS: The expression of TUG1 in breast cancer tissues and cells was evaluated using quantitative reverse transcription polymerase chain reaction. Cell viability was examined using a 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay; cell cycle progression and apoptosis were analyzed using flow cytometry...
December 2016: Journal of Breast Cancer
https://www.readbyqxmd.com/read/27983921/long-non-coding-rna-taurine-upregulated-gene-1-promotes-cell-proliferation-and-invasion-in-gastric-cancer-via-negatively-modulating-mirna-145-5p
#19
Kewei Ren, Zhen Li, Yahua Li, Wenzhe Zhang, Xinwei Han
LncRNA taurine-upregulated gene 1 (TUG1) is involved in the development and carcinogenesis of various tumors, suggesting the diagnostic potential of TUG1 in these cancers. However, the exact role of TUG1 and its underlying mechanism in gastric cancer (GC) remain unknown. In this study, the expression of TUG1 and miR-145-5p in GC cell lines and non-malignant gastric epithelial cell line were detected by qRT-PCR. BGC-823 and SGC-7901 cells were transfected with si-TUG1, pcDNA 3.1-TUG1, miR-145-5p mimics, or matched controls...
November 8, 2016: Oncology Research
https://www.readbyqxmd.com/read/27974506/ionizing-radiation-regulates-long-non-coding-rnas-in-human-peripheral-blood-mononuclear-cells
#20
Lucian Beer, Lucas Nemec, Tanja Wagner, Robin Ristl, Lukas M Altenburger, Hendrik Jan Ankersmit, Michael Mildner
Long non-coding RNAs (lncRNAs) are non-protein coding transcripts that modulate mRNA and microRNA (miRNA) expression, thereby controlling multiple cellular processes, including transcriptional regulation of gene expression, cell differentiation and apoptosis. Ionizing radiation (IR), a strong cellular stressor, is known to influence gene expression of irradiated cells, mainly by activation of oxidative processes. Whether and how IR also affects lncRNA expression in human peripheral blood mononuclear cells (PBMCs) is still poorly understood...
March 1, 2017: Journal of Radiation Research
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