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https://www.readbyqxmd.com/read/29146581/long-noncoding-rnas-emerging-players-in-thyroid-cancer-pathogenesis
#1
Avaniyapuram Kannan Murugan, Munirajan Arasambattu Kannan, Ali S Alzahrani
Thyroid cancer continues to be the most common malignancy of endocrine glands. The incidence of thyroid cancer rises significantly over the past 4 decades and emerges as a major health issue. In recent years, a significant progress has been achieved in our understanding of molecular mechanisms of thyroid carcinogenesis, resulting in significant diagnostic, prognostic and therapeutic implications; yet, it has not reached a satisfactory level. Identifying novel molecular therapeutic targets and molecules for diagnosis and prognosis are expected to advance the overall management of this common malignancy...
November 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29133127/knockdown-of-lncrna-pvt1-inhibits-tumorigenesis-in-non-small-cell-lung-cancer-by-regulating-mir-497-expression
#2
Dong Guo, Yanli Wang, Kewei Ren, Xinwei Han
Plasmacytoma variant translocation1 (PVT1) was reported to be upregulated in non-small-cell lung cancer (NSCLC) tissues, serve as a promising biomarker for diagnosis and prognosis of NSCLC, and promoted NSCLC cell proliferation. However, the detailed molecular mechanism of PVT1 involved in the pathogenesis and development of NSCLC remains largely unknown. In this study, the expression levels of PVT1 and miR-497 in NSCLC cells were determined by qRT-PCR. Cell viability, invasion and apoptosis were detected by MTT assay, cell invasion assay and flow cytometry analysis, respectively...
November 10, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29115513/lncrna-pvt1-regulate-expression-of-hif1%C3%AE-via-functioning-as-cerna-for-mir%C3%A2-199a%C3%A2-5p-in-non%C3%A2-small-cell-lung-cancer-under-hypoxia
#3
Chunhong Wang, Chunfang Han, Yibo Zhang, Fengqin Liu
Non‑small cell lung cancer (NSCLC) represents one of the most important causes of cancer mortality in the world, and leads to the largest number of deaths in all kinds of lung cancer. Hypoxia has been confirmed to be a characteristic feature of NSCLC and has been shown to decrease the therapeutic efficacy of radiotherapy and some forms of chemotherapy. Previous studies revealed that many miRNAs have been proven to be involved in the molecular regulation of hypoxia and to affect the protein expression level of HIF‑1α...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29108287/prognostic-and-diagnostic-significance-of-lncrnas-expression-in-cervical-cancer-a-systematic-review-and-meta-analysis
#4
Shuqi Chi, Lina Shen, Teng Hua, Shuangge Liu, Guobing Zhuang, Xiaoxiao Wang, Xing Zhou, Guozhen Wang, Hongbo Wang
Long noncoding RNAs (lncRNAs) have been reported to be abnormally expressed in cervical cancer (CC) and presumably serve as diagnostic or prognostic markers. We thus performed a systematic review and meta-analysis to evaluate the clinical values of dysregulated lncRNAs in CC. A literature search was performed using the electronic databases PubMed, Embase, and Web of Science. A total of 22 relevant studies were eligible, including 21 on clinicopathological features, 18 on prognosis, and 4 on diagnosis. For clinicopathological features, HOTAIR expression was positively associated with tumor size (odds ratio [OR]=2...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108264/lncrnas-pvt1-and-har1a-are-prognosis-biomarkers-and-indicate-therapy-outcome-for-diffuse-glioma-patients
#5
Hecun Zou, Lan-Xiang Wu, Yonglong Yang, Shuang Li, Ying Mei, Yong-Bin Liu, Lihua Zhang, Yu Cheng, Hong-Hao Zhou
Diffuse gliomas are well known malignant brain tumors. Long non-coding RNAs (lncRNAs), a type of RNA transcript with more than 200 nucleotides, involve in tumorigenesis and development of various cancers. This study focused on identifying differentially expressed lncRNAs in gliomas based on gene expression profiling, and chose certain lncRNAs PVT1, CYTOR, HAR1A and MIAT, which changed with significant differences. Further analysis of TCGA and GEO data revealed that the expressions of PVT1 and CYTOR were up-regulated, while HAR1A and MIAT expressions were down-regulated in gliomas...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29095108/pharmacogenetics-of-glatiramer-acetate-therapy-for-multiple-sclerosis-the-impact-of-genome-wide-association-studies-identified-disease-risk-loci
#6
Olga Kulakova, Vitalina Bashinskaya, Ivan Kiselev, Natalia Baulina, Ekaterina Tsareva, Ruslan Nikolaev, Maxim Kozin, Sergey Shchur, Alexander Favorov, Alexey Boyko, Olga Favorova
AIM: Association analysis of genome-wide association studies (GWAS) identified multiple sclerosis (MS) risk genetic variants with glatiramer acetate (GA) treatment efficacy. PATIENTS & METHODS: SNPs in 17 GWAS-identified immune response loci were analyzed in 296 Russian MS patients as possible markers of optimal GA treatment response for at least 2 years. RESULTS: Alleles/genotypes of EOMES, CLEC16A, IL22RA2, PVT1 and HLA-DRB1 were associated by themselves with event-free phenotype during GA treatment for at least 2 years (p f  = 0...
November 2, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/29081406/upregulation-of-long-noncoding-rna-pvt1-predicts-unfavorable-prognosis-in-patients-with-clear-cell-renal-cell-carcinoma
#7
Xu Bao, Junyao Duan, Yongji Yan, Xin Ma, Yu Zhang, Hanfeng Wang, Dong Ni, Shengpan Wu, Cheng Peng, Yang Fan, Yu Gao, Xintao Li, Jianwen Chen, Qingshan Du, Fan Zhang, Xu Zhang
BACKGROUND: Renal cell carcinoma (RCC) is one of the most malignant genitourinary diseases worldwide. Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs in the human genome that are involved in RCC initiation and progression. OBJECTIVE: To investigate the expression of PVT1 in ccRCC and evaluate its correlation with clinicopathologic characteristics and patients' survival. METHODS: Quantitative real-time PCR was performed to examine PVT1 expression in 129 ccRCC tissue samples and matched adjacent normal tissue samples...
October 20, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29050519/lncrna-pvt1-predicts-prognosis-and-regulates-tumor-growth-in-prostate-cancer
#8
Jin Yang, Cuirong Li, Ashley Mudd, Xiao Gu
Long non-coding RNA (lncRNA) plasmacytoma variant translocation 1(PVT1) was aberrantly expressed in various cancers and is associated with tumor prognosis. Here, we aim to investigate its function in prostate cancer. Small interfering RNA against PVT1 was transfected into prostate cancer cell lines and cell growth and apoptosis were analyzed. Our results showed that PVT1 was overexpressed in prostate cancer tissues and cells. Higher levels of PVT1 indicated poorer overall survival and disease-free survival...
October 20, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29048549/curcumin-sensitizes-pancreatic-cancer-cells-to-gemcitabine-by-attenuating-prc2-subunit-ezh2-and-the-lncrna-pvt1-expression
#9
Kazuhiro Yoshida, Shusuke Toden, Preethi Ravindranathan, Haiyong Han, Ajay Goel
Development of resistance to chemotherapeutic drugs is a major challenge in the care of patients with pancreatic ductal adenocarcinoma (PDAC). Acquired resistance to chemotherapeutic agents in PDAC has been linked to a subset of cancer cells termed 'cancer stem cells' (CSCs). Therefore, an improved understanding of the molecular events underlying the development of pancreatic CSCs is required to identify new therapeutic targets to overcome chemoresistance. Accumulating evidence indicates that curcumin, a phenolic compound extracted from turmeric, can overcome de novo chemoresistance and re-sensitize tumors to various chemotherapeutic agents...
October 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29047230/a-comprehensive-genome-wide-analysis-of-long-noncoding-rna-expression-profile-in-hepatocellular-carcinoma
#10
Hongxia Cui, Yunxing Zhang, Qiujie Zhang, Wenming Chen, Haibo Zhao, Jun Liang
Hepatocellular carcinoma (HCC) is one of the most common malignancies worldwide, especially in East Asia and China. Long noncoding RNAs (lncRNAs) are emerging as critical regulators that may be involved in the development and progression of cancers in humans. However, the contributions of lncRNAs to HCC development, metastasis, and recurrence remain largely unknown. In this study, we comprehensively investigated lncRNA expression profile in HCC and normal tissues using TCGA RNA sequencing data, one RNA sequencing dataset, and two microarray datasets from GEO...
October 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29046366/long-non-coding-rna-pvt1-indicates-a-poor-prognosis-of-glioma-and-promotes-cell-proliferation-and-invasion-via-target-ezh2
#11
Anqiang Yang, Handong Wang, Xiaobing Yang
Human glioma, as one of the malignant tumors of the central nervous system, its prognosis is poor, which is due to its genetic heterogeneity and our poor understanding of its underlying molecular mechanisms. This study aimed to assess the relationship between plasmacytoma variant translocation 1 (PVT1) and enhancer of zeste homolog 2 (EZH2), and their effects on the proliferation and invasion of glioma cells. The expression levels of PVT1 and EZH2 in human glioma tissues and cell lines were measured using qRT-PCR...
October 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29035442/long-noncoding-rna-pvt1-as-a-potent-predictor-of-prognosis-in-cancers-a-meta-analysis
#12
Xuefeng Pan, Baohui Li, Naijun Fan, Juntang Li, Fengbo Cai, Guang Zhao, Guobao Zheng, Chunfang Gao
BACKGROUND: Plasmacytoma variant translocation 1 (PVT1), an oncogenic long noncoding RNA located in a recognized cancer-risk gene region-8q24, is significantly overexpressed in various cancers. Many studies have found that high expression of PVT1 was correlated with poor prognosis. METHODS: This meta-analysis was performed by searching electronic databases Pubmed, Web of Science, Chinese National Knowledge Infrastructure, WanFang, and ChongQing VIP for eligible papers on the prognostic impact and clinicopathological characteristics of PVT1 expression in cancer from inception to January 31, 2017...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29027279/long-non-coding-rna-pvt1-emerging-biomarker-in-digestive-system-cancer
#13
REVIEW
Dan-Dan Zhou, Xiu-Fen Liu, Cheng-Wei Lu, Om Prakash Pant, Xiao-Dong Liu
The digestive system cancers are leading cause of cancer-related death worldwide, and have high risks of morbidity and mortality. More and more long non-coding RNAs (lncRNAs) have been studied to be abnormally expressed in cancers and play a key role in the process of digestive system tumour progression. Plasmacytoma variant translocation 1 (PVT1) seems fairly novel. Since 1984, PVT1 was identified to be an activator of MYC in mice. Its role in human tumour initiation and progression has long been a subject of interest...
October 12, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28979669/comprehensive-analysis-of-long-non-coding-rna-pvt1-gene-interaction-regulatory-network-in-hepatocellular-carcinoma-using-gene-microarray-and-bioinformatics
#14
Yu Zhang, Yi-Wu Dang, Xiao Wang, Xia Yang, Rui Zhang, Zi-Li Lv, Gang Chen
PVT1 has been reported to be involved in the tumorigenesis and development of different cancers. However, the role of PVT1 in hepatocellular carcinoma (HCC) remains unclear. In this study, we applied gene microarray analysis to detect differentially expressed genes (DEGs) between PVT1 RNAi groups and controls. We initially investigated and confirmed PVT1 expression in HCC using The Cancer Genome Atlas (TCGA). The potential genes and pathways associated with PVT1 were also analyzed. We also performed bioinformatics analyses (Gene Ontology (GO), pathway, Kyoto Encyclopedia of Genes and Genomes (KEGG), and network analyses) to explore the underlying pathways and networks of these potential genes...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28972861/transcription-factor-yy1-modulates-lung-cancer-progression-by-activating-lncrna-pvt1
#15
Tonghai Huang, Guangsuo Wang, Lin Yang, Bin Peng, Yuxin Wen, Guanggui Ding, Zheng Wang
Lung cancer is the leading cause of cancer-related death worldwide. Despite the advancement in surgery and chemotherapy, the prognosis of patients with advanced lung cancer is still poor. Yin Yang-1 (YY1) is a multifunctional transcription factor that exhibits positive and negative control on a large number of cellular and viral genes. In this study, we showed that the expression of YY1 is upregulated in lung cancer tissues as compared to adjacent normal tissues. Patients with higher expression of YY1 had larger tumor size, poor differentiation, higher TNM stage, and lymph node metastasis...
November 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28969069/lncrna-plasmacytoma-variant-translocation-1-is-an-oncogene-in-bladder-urothelial-carcinoma
#16
Zhongyuan Liu, Hui Zhang
Bladder cancer (BC) is the most lethal malignant cancer of the genitourinary system, and bladder urothelial carcinoma (BUC) is the most common type of BC. The long non-coding RNA (lncRNA) plasmacytoma variant translocation 1 (PVT1) is overexpressed in several malignant tumors, including BC. Using a lncRNA array and quantitative real-time PCR, we detected greater expression of PVT1 in BUC tissues and cell lines resistant to doxorubicin (DOX) and cisplatin (DDP) than in DOX- and DDP-sensitive cells. PVT1 knockdown reduced proliferation and invasion by a DOX- and DDP-resistant T24/DR BUC cells, arrested cells in G1 phase, and increased apoptosis...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28968599/overexpression-of-lncrna-pvt1-predicts-advanced-clinicopathological-features-and-serves-as-an-unfavorable-risk-factor-for-survival-of-patients-with-gastrointestinal-cancers
#17
Fangteng Liu, Qing Dong, Jun Huang
BACKGROUND/AIMS: Many studies have reported that PVT1 played important roles in diverse cancer types. But the systematic analysis of PVT1 in gastrointestinal cancers has not been inspected. Thus, we aimed to investigate clinical value of the long noncoding RNA PVT1 (lncRNA) expression in digestive system cancers. METHODS: Eligible studies were collected from a number of databases (PubMed, Web of Science, Embase, Chinese National Knowledge Infrastructure and Wanfang database)...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28967047/expression-analysis-of-long-non-coding-rnas-in-the-blood-of-multiple-sclerosis-patients
#18
Mohammad Mahdi Eftekharian, Soudeh Ghafouri-Fard, Mohammad Soudyab, Mir Davood Omrani, Mahnoosh Rahimi, Arezou Sayad, Alireza Komaki, Mehrdokht Mazdeh, Mohammad Taheri
Multiple sclerosis (MS) is a chronic immune-mediated disorder of the central nervous system (CNS) with multiple genetic and environmental risk factors. Long non-coding RNAs (lncRNAs) have been recently reported to participate in the regulation of immune responses. Consequently, aberrant expression of lncRNAs has been suggested as an underlying cause of MS. In the present study, we evaluated the expression of three lncRNAs with putative roles in the regulation of immune response, namely TNF-α and heterogeneous nuclear ribonucleoprotein L (THRIL), Fas cell surface death receptor- antisense 1 (FAS-AS1), and plasmacytoma variant translocation 1 (PVT1) in circulating blood cells of 50 Iranian relapsing-remitting multiple sclerosis (RRMS) patients compared with healthy subjects by means of quantitative real-time polymerase chain reaction (PCR)...
October 1, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28938549/long-non-coding-rnas-may-serve-as-biomarkers-in-breast-cancer-combined-with-primary-lung-cancer
#19
Xianfeng Ding, Yuhan Zhang, Hongjian Yang, Weimin Mao, Bo Chen, Shifeng Yang, Xiaowen Ding, Dehong Zou, Wenju Mo, Xiangming He, Xiping Zhang
Long non-coding RNAs (lncRNAs) have been shown to play important regulatory role in certain type of cancers biology, including breast and lung cancers. However, the lncRNA expression in breast cancer combined with primary lung cancer remains unknown. In this study, databases of the Cancer Genome Atlas (TCGA) and the lncRNA profiler of contained candidate 192 lncRNAs were utilized. 11 lncRNAs were differentially expressed in breast cancer, 9 candidate lncRNAs were differentially expressed in lung cancer. In order to find the aberrant expression of lncRNAs in breast cancer combined with primary lung cancer, seven samples of primary breast cancer and lung cancer were studied for the expression of selected lncRNAs...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28882595/upregulation-of-sox2-activated-lncrna-pvt1-expression-promotes-breast-cancer-cell-growth-and-invasion
#20
Yan Wang, Jun Zhou, Zhaoxin Wang, Peishun Wang, Shuqin Li
Increasing evidences indicated that Long noncoding RNAs (lncRNAs) played pivotal roles during tumorigenesis in multiple types of cancers, including breast cancer. This study aimed to investigate the role and function of long noncoding RNA PVT1 in the progression of breast cancer and explore the transcription factor which contributes to the regulation of PVT1 in breast cancer. Our results indicated that the expression of PVT1 was significantly upregulated in breast cancer tissues, compared with adjacent normal tissues (ANTs)...
November 4, 2017: Biochemical and Biophysical Research Communications
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