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Glioma lncRNA

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https://www.readbyqxmd.com/read/28338200/glioma-cells-promote-angiogenesis-through-the-release-of-exosomes-containing-long-non-coding-rna-pou3f3
#1
H-L Lang, G-W Hu, Y Chen, Y Liu, W Tu, Y-M Lu, L Wu, G-H Xu
OBJECTIVE: Angiogenesis is a key event in the progression of gliomas, and emerging evidence suggests that exosomes are signaling extracellular organelles that modulate the tumor microenvironment and promote angiogenesis and tumor progression. This study aimed to explore the mechanism by which glioma-derived exosomes affect angiogenesis. MATERIALS AND METHODS: qRT-PCR was used to determine the expression level of linc-POU3F3 in glioma tissue as well as glioma cell lines...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28293170/an-insight-into-the-increasing-role-of-lncrnas-in-the-pathogenesis-of-gliomas
#2
REVIEW
Yuanliang Yan, Zhijie Xu, Zhi Li, Lunquan Sun, Zhicheng Gong
Long non-coding RNAs (LncRNAs) are essential epigenetic regulators with critical roles in tumor initiation and malignant progression. However, the roles and mechanisms of aberrantly expressed lncRNAs in the pathogenesis of gliomas are not fully understood. With the development of deep sequencing analyses, an extensive amount of functional non-coding RNAs has been discovered in glioma tissues and cell lines. Additionally, the contributions of several lncRNAs, such as Hox transcript antisense intergenic RNA, H19 and Colorectal neoplasia differentially expressed, previously reported to be involved in other pathogenesis and processes to the oncogenesis of glioblastoma are currently addressed...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28287613/knockdown-of-long-non-coding-rna-xist-increases-blood-tumor-barrier-permeability-and-inhibits-glioma-angiogenesis-by-targeting-mir-137
#3
H Yu, Y Xue, P Wang, X Liu, J Ma, J Zheng, Z Li, Z Li, H Cai, Y Liu
Antiangiogenic therapy plays a significant role in combined glioma treatment. However, poor permeability of the blood-tumor barrier (BTB) limits the transport of chemotherapeutic agents, including antiangiogenic drugs, into tumor tissues. Long non-coding RNAs (lncRNAs) have been implicated in various diseases, especially malignant tumors. The present study found that lncRNA X-inactive-specific transcript (XIST) was upregulated in endothelial cells that were obtained in a BTB model in vitro. XIST knockdown increased BTB permeability and inhibited glioma angiogenesis...
March 13, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28276316/long-noncoding-rna-meg3-suppresses-glioma-cell-proliferation-migration-and-invasion-by-acting-as-competing-endogenous-rna-of-mir-19a
#4
Gui-Feng Tong, Nan Qin, Li-Wei Sun, Xiao-Lin Xu
Glioma, with varying malignancy grades and histological subtypes, is the commonest primary brain tumor in adults. Longnon-coding RNAs (lncRNAs) are non-protein-coding transcripts and have been proven to play important roles in tumorigenesis. Our study aims to elucidate the combined effect of lncRNA MEG3 and microRNA-19a in human glioma U87 and U251 cell lines. Real time PCR revealed that MEG3 was down-regulated and miR-19a was up-regulated in malignant glioma tissues and cell lines. Bioinformatics analyses (TargetScan, miRanda and starBase V2...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28276314/long-non-coding-rna-pvt1-facilitates-cervical-cancer-progression-via-negative-regulating-of-mir-424
#5
Ya-Li Gao, Zi-Shen Zhao, Ming-Yun Zhang, Li-Jie Han, Yu-Jin Dong, Bo Xu
Emerging evidence suggests that the long non-coding RNA (lncRNA) plasmacytoma variant translocation 1 gene (PVT1) is involved in pathogenesis of cervical cancer. However, the potential mechanism is rarely reported. Our study found that PVT1 was up-regulated in cervical cancer tissue and cell lines. After transfecting PVT1 siRNA, the proliferation, migration and invasion of cervical cancer cells were markedly decreased. MiRNA expression profiles demonstrate that miR-424 was markedly down-regulated in cervical cancer tissue...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28260102/long-non-coding-rna-malat1-interacts-with-mir-124-and-modulates-tongue-cancer-growth-by-targeting-jag1
#6
Tong-Han Zhang, Li-Zhong Liang, Xiao-Ling Liu, Ji-Nan Wu, Kui Su, Jue-Yao Chen, Qiao-Yi Zheng, Hong-Zhang Huang, Gui-Qing Liao
Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a long non-coding RNA (lncRNA), was the earliest discovered to be correlated with cancer and contributes to the initiation and development of several types of tumors. Dysregulation of MALAT1 expression is frequently observed in many types of cancer such as gastric cancer, esophageal squamous cell carcinoma and glioma. To date, the role of MALAT1 and the underlying mechanisms in tongue cancer development remain unclear. In the present study, we studied the influence of MALAT1 on tongue cancer cell lines and clinical tongue cancer samples so as to detect its function and the underlying mechanism...
February 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28187755/long-noncoding-rna-papillary-thyroid-carcinoma-susceptibility-candidate-3-ptcsc3-inhibits-proliferation-and-invasion-of-glioma-cells-by-suppressing-the-wnt-%C3%AE-catenin-signaling-pathway
#7
Shujun Xia, Ri Ji, Weiwei Zhan
BACKGROUND: The dysregulation of long noncoding RNAs (lncRNAs) has been identified in a variety of cancers. An increasing number of studies have found the critical role of lncRNAs in the regulation of cellular processes, such as proliferation, invasion and differentiation. Long noncoding RNA papillary thyroid carcinoma susceptibility candidate 3 (PTCSC3) is a novel lncRNA that was primarily detected in papillary thyroid carcinoma. However, the biological function and molecular mechanism of lncRNA PTCSC3 in glioma are still unknown...
February 10, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28187439/long-non-coding-rna-in-glioma-signaling-pathways
#8
REVIEW
Jia Shi, Bo Dong, Jiachao Cao, Yumin Mao, Wei Guan, Ya Peng, Suinuan Wang
Glioma is regarded as the most prevalent malignant carcinoma of the central nervous system. Thus, the development of new therapeutic strategies targeting glioma is of significant clinical importance. Long non-coding RNAs (lncRNAs) are functional RNA molecules without a protein-coding function and are reportedly involved in the initiation and progression of glioma. Dysregulation of lncRNAs in glioma is due to activation of several signaling pathways, such as the BRD4-HOTAIR-β-catenin/PDCD4, p53-Hif-H19/IGF2 and CRNDE/mTOR pathways...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28185956/long-non-coding-rna-neat1-regulates-permeability-of-the-blood-tumor-barrier-via-mir-181d-5p-mediated-expression-changes-in-zo-1-occludin-and-claudin-5
#9
Junqing Guo, Heng Cai, Jun Ma, Xiaobai Liu, Yunhui Liu, Jian Zheng, Zhongyou Que, Wei Gong, Yana Gao, Wei Tao, Yixue Xue
The blood-tumor barrier (BTB) constitutes an efficient organization of tight junctions that limits the delivery of chemotherapeutic drugs to brain tumor tissues and impacts the treatment of glioma. Long non-coding RNAs (lncRNAs) are non-protein coding RNAs regulating gene expression, some lncRNAs play a crucial role in BTB permeability. However, the function of lncRNAs in BTB permeability is still largely unclear. Here, we have identified lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1), was remarkably up-regulated in glioma endothelial cells (GECs) obtained from an in vitro BTB model...
February 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28137422/the-lncrna-uca1-interacts-with-mir-182-to-modulate-glioma-proliferation-and-migration-by-targeting-iaspp
#10
Zongze He, Yujue Wang, Guangfu Huang, Qi Wang, Dongdong Zhao, Longyi Chen
Long non-coding RNA (lncRNA) urothelial carcinoma associated 1 (UCA1) has been reported to be involved in the development and progression of many types of tumors including breast cancer, gastric cancer, and bladder cancer. However, the exact effects and molecular mechanisms of UCA1 in glioma progression remain unclear up to now. In this study, we firstly found that UCA1 was upregulated in glioma tumor samples and negatively correlated with survival time. Then, we investigated the role of UCA1 in human glioma cell lines...
January 27, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28121023/lncrna-casc2-interacts-with-mir-181a-to-modulate-glioma-growth-and-resistance-to-tmz-through-pten-pathway
#11
Liao Yiwei, Shen Liangfang, Zhao Haiting, Liu Qing, Fu Jun, Guo Yong, Peng Renjun, Cheng Lei
Temozolomide (TMZ)-based chemotherapy is a standard strategy for glioma, while chemoresistance remains a major therapeutic challenge. Recent evidence highlights the crucial regulatory roles of long non-coding RNAs (lncRNA) in tumor biology. However, the roles and regulatory mechanisms of lncRNA cancer susceptibility candidate 2 (CASC2), in glioma tumorigenesis and chemoresistance are poorly understood. In this study, CASC2 expression was down-regulated in glioma tissues and cell lines, and was related to a clinicopathologic features and shorter survival time...
January 25, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28107175/long-non-coding-rnas-potential-molecular-biomarkers-for-gliomas-diagnosis-and-prognosis
#12
Lei Wang, Zhengtao Yu, Shaiqi Sun, Jun Peng, Rongjun Xiao, Shengpan Chen, Xiaokun Zuo, Quan Cheng, Ying Xia
The current grade classification system of gliomas is based on the histopathological features of these tumors and has great significance in defining groups of patients for clinical assessment. However, this classification system is also associated with a number of limitations, and as such, additional clinical assessment criteria are required. Long non-coding RNAs (lncRNAs) play a critical role in cellular functions and are currently regarded as potential biomarkers for glioma diagnosis and prognosis. Therefore, the molecular classification of glioma based on lncRNA expression may provide additional information to assist in the systematic identification of glioma...
January 20, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28105536/a-long-noncoding-rna-uca1-promotes-proliferation-and-predicts-poor-prognosis-in-glioma
#13
W Zhao, C Sun, Z Cui
BACKGROUND: Acting as a proto-oncogene, long noncoding RNAs (lncRNAs) urothelial carcinoembryonic antigen 1 (UCA1) plays a key role in the occurrence and development of several human tumors. However, the expression and biological functions of UCA1 in glioma are less known. This study discussed the expression of UCA1 in glioma and its effect on the proliferation and cell cycle of glioma cells. METHOD: LncRNA UCA1 expressions in 64 glioma samples (Grade I-II in 22 cases and Grade III-IV in 42 cases, according to WHO criteria) and 10 normal brain samples were detected using real-time fluorescence quantitative PCR...
January 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28081466/long-non-coding-rna-zfas1-is-an-unfavourable-prognostic-factor-and-promotes-glioma-cell-progression-by-activation-of-the-notch-signaling-pathway
#14
Kai Gao, Zhiwu Ji, Kun She, Qingyan Yang, Lianbin Shao
Survival of patients with glioma remains poor, which is largely attributed to active carcinogenesis. Accumulating evidence indicates that long non-coding RNAs (lncRNAs) play key roles in tumor initiation and progression. However, the function of lncRNA ZFAS1 in glioma is still unclear. In the current study, we found that ZFAS1 was upregulated in glioma tissues and cell lines. High ZFAS1 expression in glioma tissues was significantly correlated with advanced tumor stage and poor overall survival. Furthermore, in vitro assays demonstrated that ZFAS1 inhibition significantly suppressed glioma cell proliferation, migration and invasion...
March 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28079712/a-comprehensive-review-of-genomics-and-noncoding-rna-in-gliomas
#15
Ahmed Hassan, Jennifer Mosley, Sanjay Singh, Pascal Olivier Zinn
Glioblastoma (GBM) is the most malignant primary adult brain tumor. In spite of our greater understanding of the biology of GBMs, clinical outcome of GBM patients remains poor, as their median survival with best available treatment is 12 to 18 months. Recent efforts of The Cancer Genome Atlas (TCGA) have subgrouped patients into 4 molecular/transcriptional subgroups: proneural, neural, classical, and mesenchymal. Continuing efforts are underway to provide a comprehensive map of the heterogeneous makeup of GBM to include noncoding transcripts, genetic mutations, and their associations to clinical outcome...
February 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28053545/high-expression-of-long-noncoding-rna-hulc-is-a-poor-predictor-of-prognosis-and-regulates-cell-proliferation-in-glioma
#16
Hong Yan, Rui Tian, Min Zhang, Jing Wu, Min Ding, Jie He
PURPOSE: Emerging studies show that long noncoding RNAs (lncRNAs) have important roles in carcinogenesis. This study investigated the role of lncRNA highly upregulated in liver cancer (HULC) expression in glioma and its clinical significance in glioma patients. MATERIALS AND METHODS: HULC expression was detected in glioma tissues and cell lines by using real-time quantitative reverse transcription polymerase chain reactions. Association between HULC levels and clinicopathological factors and patients prognosis was also analyzed...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27981546/lncrna-h19-is-overexpressed-in-glioma-tissue-is-negatively-associated-with-patient-survival-and-promotes-tumor-growth-through-its-derivative-mir-675
#17
T Zhang, Y-R Wang, F Zeng, H-Y Cao, H-D Zhou, Y-J Wang
OBJECTIVE: Glioma is one of the most common and invasive tumors of the central nervous system. Long non-coding (lnc) RNAs are involved in many cancers, but their function and mechanism in glioma remain largely unknown. We wished to delineate the role of lncRNA H19 and its derivative miR-675 in this tumor. PATIENTS AND METHODS: Using qPCR, we compared expression of lncRNA H19 in 35 specimens of glioma vs control tissue, and in two glioma cell lines U251 and U87 vs Normal Human Astrocyte (NHA) cells...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27981545/long-non-coding-rna-mvih-acts-as-a-prognostic-marker-in-glioma-and-its-role-in-cell-migration-and-invasion
#18
J-J Zhuang, M Yue, Y-H Zheng, J-P Li, X-Y Dong
OBJECTIVE: High expression levels of lncRNA associated with microvascular invasion in HCC (lncRNA MVIH) were found to correlate with several solid tumors. However, little is known concerning the function of MVIH in glioma. The purpose of our study is to explore the role of lncRNA MVIH in clinical glioma samples and cell lines. PATIENTS AND METHODS: The expression levels of MVIH were analyzed in glioma surgical resection tissues and cells by RT-PCR. Additionally, the associations of MVIH expression with clinicopathological features were analyzed...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27938499/knockdown-of-long-noncoding-rna-ccat2-inhibits-cellular-proliferation-invasion-and-emt-in-glioma-cells
#19
Jing Zeng, Tianping Du, Yafeng Song, Yan Gao, Fuyan Li, Ruimin Wu, Yijia Chen, Wei Li, Hong Zhou, Yi Yang, Zhijun Pei
Long noncoding RNAs (lncRNAs) colon cancer associated transcript 2 (CCAT2) have been demonstrated as playing importantroles in diverse tumorigenesis. However, the biological function of lncRNA in glioma are still unknown. In this study,we found that lncRNA CCAT2 was overexpressed in glioma tissues and cell lines and associated with tumor grade and tumor size. Furthermore, patients with high levels of lncRNA CCAT2 had poorer survival than those with lower levels of lncRNA CCAT2. Knocking down lncRNA CCAT2 expression significantly suppressed the glioma cell growth, migration and invasion, as well as induced early apoptosis of glioma cell in vitro...
November 17, 2016: Oncology Research
https://www.readbyqxmd.com/read/27923660/highly-expressed-lncrna-ccnd2-as1-promotes-glioma-cell-proliferation-through-wnt-%C3%AE-catenin-signaling
#20
Hua Zhang, Dai-Lin Wei, Long Wan, Shao-Feng Yan, Yan-Hui Sun
Glioma is the most common and aggressive primary brain tumor in adults. Long-non coding RNAs (lncRNAs) have been recently shown to play important roles in regulating numerous biological processes both in physiologic and pathologic condition. However, the role of lncRNAs in glioma remains largely unknown. In this study, we firstly found that lncRNA CCND2-AS2 is significantly up regulated in malignant glioma tissues and cell lines. Both loss- and gain-functions assays show that CCND2-AS1 promotes glioma cells proliferation and growth...
January 22, 2017: Biochemical and Biophysical Research Communications
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