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https://www.readbyqxmd.com/read/28723655/long-non-coding-rna-tug1-as-a-potential-prognostic-biomarker-in-human-cancers-a-meta-analysis
#1
Peng-Ju Ma, Qing-Kai Guan, Lei Meng, Nan Qin, Jia Zhao, Bao-Zhe Jin
LncRNA taurine upregulated gene 1 (TUG1) is reportedly dysregulated in various cancers. We performed this meta-analysis to clarify the usefulness of TUG1 as a prognostic marker in malignant tumors. The PubMed, Medline, OVID, Cochrane Library, and Web of Science databases were searched from inception to Jan 11, 2017. Hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated to explore the relationship between TUG1 expression and overall survival (OS). Odds ratios (ORs) were calculated to assess the association between TUG1 expression and pathological parameters...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722813/knockdown-of-long-non-coding-rna-malat1-inhibits-growth-and-motility-of-human-hepatoma-cells-via-modulation-of-mir-195
#2
Dingli Liu, Yun Zhu, Jinke Pang, Xie Weng, Xiaorong Feng, Yabing Guo
The metastasis-associated lung adenocarcinoma transcription 1 (Malat1) is a long non-coding RNA (lncRNA), exerts oncogenic role in multiple cancers, including hepatocellular carcinoma (HCC). This study was aimed to investigate its posttranscriptional regulation in HCC cells. RT-PCR was performed to monitor the expression levels of Malat1 in normal liver and HCC cell lines. The expression of Malat1, microRNA (miR)-195 and epidermal growth factor receptor (EGFR) in HepG2 and MHCC97 cells was respectively or synchronously altered by transfection...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722800/role-of-the-long-non-coding-rna-gas5-in-glucocorticoid-response-in-children-with-inflammatory-bowel-disease
#3
Marianna Lucafò, Alessia Di Silvestre, Maurizio Romano, Alice Avian, Roberta Antonelli, Stefano Martelossi, Samuele Naviglio, Alberto Tommasini, Gabriele Stocco, Alessandro Ventura, M D Giuliana Decorti, Sara De Iudicibus
Glucocorticoids (GCs) are widely employed in inflammatory, autoimmune and neoplastic diseases, and, despite the introduction of novel therapies, remain the first-line treatment for inducing remission in inflammatory bowel disease (IBD). Given the high incidence of suboptimal response, associated with a significant number of side effects, that are particularly severe in paediatric patients, the identification of subjects that are most likely to respond poorly to GCs is extremely important. Recent evidence suggests that the long non-coding RNA (lncRNA) GAS5 could be a potential marker of GC resistance...
July 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28722665/mirna-and-lncrna-as-biomarkers-in-cholangiocarcinoma-cca
#4
REVIEW
Bo Zheng, Seogsong Jeong, Yanjing Zhu, Lei Chen, Qiang Xia
The microRNAs are a group of 20 nucleotides-long non-coding RNAs. By binding to the 3'UTR region of target mRNA, microRNAs can perform extensive actions mediating gene expression at post-trancriptional stages. It makes microRNAs serve as very crucial regulators in various biological progress including carcinogenesis. Long non-coding RNAs, however, are a subgroup of RNA with the length of 200 nucleotides. Unlike microRNAs, long non-coding RNAs can form secondary of tertiary domain based on their length. With the ability of directly interacting with DNA, RNA, protein, long non-coding RNAs have promoting or inhibitive functions in gene expression regulation...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722663/systematic-review-and-meta-analysis-of-the-utility-of-long-non-coding-rna-gas5-as-a-diagnostic-and-prognostic-cancer-biomarker
#5
Wei Li, Na Li, Ke Shi, Qiong Chen
The growth arrest-specific 5 transcript (GAS5) is a long non-coding RNA (lncRNA) involved in the control of cell cycle progression and apoptosis in a wide variety of cells. To determine the clinical value of GAS5 expression in cancer patients, we performed a systematic review and meta-analysis exploring its association with the diagnosis, prognosis, and clinicopathological characteristics of cancer. Ten articles on prognosis, 15 on clinicopathology, and 5 on diagnosis were analyzed. Overall results showed that decreased GAS5 expression associated with unfavorable overall survival (OS) (HR = 2...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721656/circrna-a-novel-type-of-biomarker-for-cancer
#6
REVIEW
He-da Zhang, Lin-Hong Jiang, Da-Wei Sun, Jun-Chen Hou, Zhen-Ling Ji
Circular RNAs (circRNAs) are a class of long, non-coding RNAs molecules that shape a covalently closed continuous loop which have no 5'-3' polarity and contain no polyA tail. CircRNAs also possess relatively jarless framework and are highly tissue-specific expressed in the eukaryotic transcriptome. Emerging evidences have discovered that thousands of endogenous circRNAs are present in mammalian cells and they mediate gene expression at the transcriptional or post-transcriptional level by binding to microRNAs or other molecules and then inhibit their function...
July 18, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28721581/autophagy-regulated-by-lncrna-hotair-contributes-to-the-cisplatin-induced-resistance-in-endometrial-cancer-cells
#7
Meng-Yao Sun, Jian-Yong Zhu, Chun-Yan Zhang, Miao Zhang, Ya-Nan Song, Khalid Rahman, Li-Jun Zhang, Hong Zhang
OBJECTIVES: To identify whether lncRNAs (long non-coding RNA) participate in the regulation of cisplatin-resistant induced autophagy in endometrial cancer cells. RESULTS: Autophagy activity was significantly boosted in cisplatin-resistant Ishikawa cells, a human endometrial cancer cell line, compared with that in parental Ishikawa cells. After analyzing the overall long noncoding RNA (lncRNA) profiling, a meaningful lncRNA, HOTAIR, was identified. It was down-regulated simultaneously in cisplatin-resistant Ishikawa cells and parental Ishikawa cells treated with cisplatin...
July 18, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28720546/the-lncrna-neat1-facilitates-cell-growth-and-invasion-via-the-mir-211-hmga2-axis-in-breast-cancer
#8
Xuerui Li, Shuxia Wang, Zhenzhong Li, Xiaoyu Long, Zibai Guo, Guochun Zhang, Jian Zu, Yu Chen, Linzhu Wen
Long non-coding RNAs play a significant role in cancer metastasis. Studies have demonstrated that LncRNA NEAT1 promotes cancer progression. We aimed to explore whether NEAT1 regulated growth and invasion in breast cancer cells. We provided evidence that lncRNA NEAT1 was up-regulated in breast cancer cell lines and tissues. NEAT1 promoted invasion through inducing Epithelial-mesenchymal transition (EMT) and NEAT1 played a role in 5-fluorouracil (5-FU) resistance. In addition, we revealed a reciprocal repression between NEAT1 and miR-211...
July 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28720088/sex-is-a-moderator-of-the-association-between-nos1ap-sequence-variants-and-qtc-in-two-long-qt-syndrome-founder-populations-a-pedigree-based-measured-genotype-association-analysis
#9
Annika Winbo, Eva-Lena Stattin, Ida Maria Westin, Anna Norberg, Johan Persson, Steen M Jensen, Annika Rydberg
BACKGROUND: Sequence variants in the NOS1AP gene have repeatedly been reported to influence QTc, albeit with moderate effect sizes. In the long QT syndrome (LQTS), this may contribute to the substantial QTc variance seen among carriers of identical pathogenic sequence variants. Here we assess three non-coding NOS1AP sequence variants, chosen for their previously reported strong association with QTc in normal and LQTS populations, for association with QTc in two Swedish LQT1 founder populations...
July 18, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28720069/long-non-coding-rna-spry4-it1-promotes-proliferation-and-invasion-by-acting-as-a-cerna-of-mir-101-3p-in-colorectal-cancer-cells
#10
Jianguang Jin, Zhijie Chu, Pengfei Ma, Yuanpu Meng, Yanhui Yang
Long non-coding RNAs are associated with a spectrum of biological processes such as gene regulation on transcriptional and post-transcriptional levels. Increasing evidence indicates that SPRY4-IT1 plays an important role in carcinogenesis, and the mechanisms whereby SPRY4-IT1 induces colorectal carcinoma progression remain largely unknown. The aim of this study is to evaluate the expression and function of SPRY4-IT1 in colorectal carcinoma. In this study, we analyzed SPRY4-IT1 expression levels in a series of colorectal carcinoma patients by quantitative reverse transcription polymerase chain reaction...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28720061/the-long-non-coding-rna-malat1-promotes-the-migration-and-invasion-of-hepatocellular-carcinoma-by-sponging-mir-204-and-releasing-sirt1
#11
Zhouhua Hou, Xuwen Xu, Ledu Zhou, Xiaoyu Fu, Shuhui Tao, Jiebin Zhou, Deming Tan, Shuiping Liu
Increasing evidence supports the significance of long non-coding RNA in cancer development. Several recent studies suggest the oncogenic activity of long non-coding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in hepatocellular carcinoma. In this study, we explored the molecular mechanisms by which MALAT1 modulates hepatocellular carcinoma biological behaviors. We found that microRNA-204 was significantly downregulated in sh-MALAT1 HepG2 cell and 15 hepatocellular carcinoma tissues by quantitative real-time polymerase chain reaction analysis...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719640/short-lived-long-non-coding-rnas-as-surrogate-indicators-for-chemical-exposure-and-linc00152-and-malat1-modulate-their-neighboring-genes
#12
Hidenori Tani, Sayaka Okuda, Kaoru Nakamura, Motohide Aoki, Tomonari Umemura
Whole transcriptome analyses have revealed a large number of novel long non-coding RNAs (lncRNAs). Although accumulating evidence demonstrates that lncRNAs play important roles in regulating gene expression, the detailed mechanisms of action of most lncRNAs remain unclear. We previously reported that a novel class of lncRNAs with a short half-life (t1/2 < 4 h) in HeLa cells, termed short-lived non-coding transcripts (SLiTs), are closely associated with physiological and pathological functions. In this study, we focused on 26 SLiTs and nuclear-enriched abundant lncRNA, MALAT1(t1/2 of 7...
2017: PloS One
https://www.readbyqxmd.com/read/28719033/identification-of-driver-copy-number-alterations-in-diverse-cancer-types-and-application-in-drug-repositioning
#13
Wenbin Zhou, Zhangxiang Zhao, Ruiping Wang, Yue Han, Chengyu Wang, Fan Yang, Ya Han, Haihai Liang, Lishuang Qi, Chenguang Wang, Zheng Guo, Yunyan Gu
Results from numerous studies suggest an important role for somatic copy number alterations (SCNAs) in cancer progression. Our work aimed to identify the drivers (oncogenes or tumor suppressor genes) that reside in recurrently aberrant genomic regions, including a large number of genes or non-coding genes, which remain a challenge for decoding the SCNAs involved in carcinogenesis. Here, we propose a new approach to comprehensively identify drivers, using 8740 cancer samples involving 18 cancer types from The Cancer Genome Atlas (TCGA)...
July 18, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28718366/long-non-coding-rna-ccat2-promotes-cell-proliferation-and-invasion-through-regulating-wnt-%C3%AE-catenin-signaling-pathway-in-clear-cell-renal-cell-carcinoma
#14
Jian-Lin Huang, Yong Liao, Ming-Xing Qiu, Jun Li, Yu An
Clear cell renal cell carcinoma (ccRCC) is a common urologic malignancy. Long non-coding RNA colon cancer-associated transcript 2 (CCAT2) has been suggested as serving pivotal roles in tumorigenesis. However, the clinical significance and biological role of CCAT2 in ccRCC remains elusive. The purpose of this study is to identify the function of CCAT2 in ccRCC and its possible molecular mechanism. Expression of CCAT2 was analyzed in 61 ccRCC tissues and two ccRCC cell lines (786-O and ACHN) by quantitative reverse transcription polymerase chain reaction...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28717243/the-long-non-coding-rna-loc441204-enhances-cell-growth-in-human-glioma
#15
Tzu-Kang Lin, Chang-Nen Chang, Cheng-Shian Tsai, Yin-Cheng Huang, Yu-Jen Lu, Wei-Jan Chen, Yang-Hsiang Lin, I-Hsiao Chung, Kwang-Huei Lin
Glioma is the most common and aggressive type of brain tumor. While long non-coding RNAs (lncRNAs) are clearly more abundant in human brain than protein-coding genes, the specific roles of lncRNAs and mechanisms underlying their dysregulation in glioma remain unclear. Here, we focused on lncRNAs that are differentially expressed in brain tumor and their potential biological functions. LOC441204, a novel non-coding RNA gene displaying high expression in clinical specimens of brain tumor and significant upregulation in glioma cell lines in microarray analyses, was selected for further study...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716649/blood-platelet-volume-represents-a-novel-prognostic-factor-in-non-metastatic-renal-cell-carcinoma-patients-and-improves-the-predictive-ability-of-established-prognostic-scores
#16
Maximilian Seles, Florian Posch, Georg P Pichler, Thomas Gary, Karl Pummer, Richard Zigeuner, Georg C Hutterer, Martin Pichler
PURPOSE: The average size of blood platelets determined by the mean platelet volume (MPV), might represent a biologically meaningful parameter in carcinogenesis and potentially serve as novel prognostic biomarker in renal cell carcinoma (RCC). MATERIALS AND METHODS: In this retrospective analysis (n=652) we evaluated the potential prognostic value of MPV and its ability to improve existing risk assessment tools used in adjuvant clinical trials in non-metastatic RCC...
July 14, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28716526/slc45a3-elk4-functions-as-a-long-non-coding-chimeric-rna
#17
Fujun Qin, Yanmei Zhang, Jia Liu, Hui Li
Gene fusions in cancer typically lead to the expression of a fusion protein or disrupt the expression of one of the parental genes. Here we report a new phenomenon whereby a fusion transcript functions as a long non-coding chimeric RNA (lnccRNA). This fusion RNA, SLC45A3-ELK4, generated by cis-splicing between neighboring genes, was found in prostate cancer. The fusion RNA encodes the same protein as ELK4. Intriguingly, we found that the fusion RNA level is less than 1% of wild type ELK4, unlikely to perturb the general pool of ELK4 protein...
July 14, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28716020/long-non-coding-rna-casc2-suppresses-epithelial-mesenchymal-transition-of-hepatocellular-carcinoma-cells-through-casc2-mir-367-fbxw7-axis
#18
Yufeng Wang, Zhikui Liu, Bowen Yao, Qing Li, Liang Wang, Cong Wang, Changwei Dou, Meng Xu, Qingguang Liu, Kangsheng Tu
BACKGROUND: Recently, it has been reported that long non-coding RNA (lncRNA) cancer susceptibility candidate 2 (CASC2), a novel tumor suppressor, participates in regulating the carcinogenesis and suppresses tumor progression by sponging microRNAs (miRNAs). However, the expression and function of CASC2 in hepatocellular carcinoma (HCC) remain unclear. METHODS: The expression of CASC2 and miR-367 in HCC specimens and cell lines were detected by real-time PCR. Western blotting and immunohistochemistry were carried out for detection of epithelial-to-mesenchymal transition (EMT) markers in HCC...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28715488/microrna-dependent-and-independent-deregulation-of-long-non-coding-rnas-by-an-oncogenic-herpesvirus
#19
Sunantha Sethuraman, Lauren Appleby Gay, Vaibhav Jain, Irina Haecker, Rolf Renne
Kaposi's sarcoma (KS) is a highly prevalent cancer in AIDS patients, especially in sub-Saharan Africa. Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of KS and other cancers like Primary Effusion Lymphoma (PEL). In KS and PEL, all tumors harbor latent KSHV episomes and express latency-associated viral proteins and microRNAs (miRNAs). The exact molecular mechanisms by which latent KSHV drives tumorigenesis are not completely understood. Recent developments have highlighted the importance of aberrant long non-coding RNA (lncRNA) expression in cancer...
July 17, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28714940/non-coding-rnas-as-predictive-biomarkers-to-current-treatment-in-metastatic-colorectal-cancer
#20
REVIEW
Ingrid Garajová, Manuela Ferracin, Elisa Porcellini, Andrea Palloni, Francesca Abbati, Guido Biasco, Giovanni Brandi
The onset and selection of resistant clones during cancer treatment with chemotherapy or targeted therapy is a major issue in the clinical management of metastatic colorectal cancer patients. It is possible that a more personalized treatment selection, using reliable response-to-therapy predictive biomarkers, could lead to an improvement in the success rate of the proposed therapies. Although the process of biomarker selection and validation could be a long one, requiring solid statistics, large cohorts and multicentric validations, non-coding RNAs (ncRNAs) and in particular microRNAs, proved to be extremely promising in this field...
July 17, 2017: International Journal of Molecular Sciences
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