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https://www.readbyqxmd.com/read/27932761/-long-noncoding-rna-malat1-a-potential-novel-prognostic-biomarkers-in-cancers-based-on-meta-analysis
#1
Wei Song, Kai Wang, Runjin Zhang, Shubing Zou
To systematically review the potential value of long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) as a potential novel prognostic biomarker in cancers.
 Methods: Databases including Cochrane Library, Medline, Embase, PubMed databases were searched for all English studies, which explored the correlation between lncRNA MALAT1 expression and overall survival in tumors. The retrieval time was from inception to August 1, 2015. Two reviewers independently screened literature according to the inclusion and exclusion criteria, extracted data, and assessed methodological quality...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27922078/malat1-and-hotair-long-non-coding-rnas-play-opposite-role-in-estrogen-mediated-transcriptional-regulation-in-prostate-cancer-cells
#2
Aurora Aiello, Lorenza Bacci, Agnese Re, Cristian Ripoli, Francesco Pierconti, Francesco Pinto, Riccardo Masetti, Claudio Grassi, Carlo Gaetano, Pier Francesco Bassi, Alfredo Pontecorvi, Simona Nanni, Antonella Farsetti
In the complex network of nuclear hormone receptors, the long non-coding RNAs (lncRNAs) are emerging as critical determinants of hormone action. Here we investigated the involvement of selected cancer-associated lncRNAs in Estrogen Receptor (ER) signaling. Prior studies by Chromatin Immunoprecipitation (ChIP) Sequencing showed that in prostate cancer cells ERs form a complex with the endothelial nitric oxide synthase (eNOS) and that in turn these complexes associate with chromatin in an estrogen-dependent fashion...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904771/tumor-suppressive-function-of-long-noncoding-rna-malat1-in-glioma-cells-by-suppressing-mir-155-expression-and-activating-fbxw7-function
#3
Shuanzhu Cao, Yanzhou Wang, Jinquan Li, Mingliang Lv, Haitao Niu, Yong Tian
The human metastasis associated lung adenocarcinoma transcript 1 (MALAT1) is a long non-coding RNA associated with metastasis, and is a favorable prognostic factor for lung cancer. Recent studies have shown that MALAT1 plays an important role in many malignancies. However, little is known about the role of MALAT1 in glioma. In this study, we determined the expression of MALAT1 and explored its prognostic value in glioma. Further, we investigated the regulatory mechanism of MALAT1 in glioma progression. Our results showed that the expression of MALAT1 was significantly decreased in glioma specimens than in noncancerous brain tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27887846/long-non-coding-rna-metastasis-associated-lung-adenocarcinoma-transcript-1-regulates-the-expression-of-gli2-by-mir-202-to-strengthen-gastric-cancer-progression
#4
Yue Zhang, Zhuo Chen, Ming-Jing Li, Huan-Yu Guo, Nian-Cai Jing
BACKGROUND: Gastric cancer (GC) is one of the most common malignancies and ranks the second leading cause of cancer death worldwide. Some studies had reported the tumor-promoting effects of long non-coding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) as a competing endogenous RNA (ceRNA) by sponging to microRNAs. However, the molecular mechanism of ceRNA regulatory pathway involving MALAT1 in GC remains unclear. METHODS: MALAT1 and miR -202 expression was detected by quantitative real time PCR (qRT-PCR) in 60 gastric cancer tissues and adjacent normal tissues, CCK8 cell proliferation assays, cell cycle analysis and cell apoptosis assays were performed to detect the GC cell proliferation and apoptosis...
November 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27872311/methyltransferase-like-protein-16-binds-the-3-terminal-triple-helix-of-malat1-long-noncoding-rna
#5
Jessica A Brown, Charles G Kinzig, Suzanne J DeGregorio, Joan A Steitz
Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a cancer-promoting long noncoding RNA, accumulates in cells by using a 3'-triple-helical RNA stability element for nuclear expression (ENE). The ENE, a stem-loop structure containing a U-rich internal loop, interacts with a downstream A-rich tract (ENE+A) to form a blunt-ended triple helix composed of nine U•A-U triples interrupted by a C•G-C triple and C-G doublet. This unique structure prompted us to explore the possibility of protein binding...
December 6, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27862640/long-non-coding-rna-malat1-functions-as-a-mediator-in-cardioprotective-effects-of-fentanyl-in-myocardial-ischemia-reperfusion-injury
#6
Zhi-Hui Zhao, Wei Hao, Qing-Tao Meng, Xiao-Bing Du, Shao-Qing Lei, Zhong-Yuan Xia
Long non-coding (lncRNA) MALAT1 can be increased by hypoxia or ischemic limbs. Also downregulation of MALAT1 contributes to reduction of cardiomyocyte apoptosis. However, the functional involvement of MALAT1 in myocardial ischemia-reperfusion (I/R) injury has not been defined. This study investigated the functional involvement of lncRNA-MALAT1 in cardioprotective effects of fentanyl. HL-1, a cardiac muscle cell line from the AT-1 mouse atrial cardiomyocyte tumor lineage, was pre-treated with fentanyl and generated cell model of hypoxia-reoxygenation (H/R)...
November 9, 2016: Cell Biology International
https://www.readbyqxmd.com/read/27835600/yap1-enhances-cell-proliferation-migration-and-invasion-of-gastric-cancer-in-vitro-and-in-vivo
#7
Dan Sun, Xiaoting Li, Yingjian He, Wenhui Li, Ying Wang, Huan Wang, Shanshan Jiang, Yan Xin
Yes-associated protein 1 (YAP1) plays an important role in the development of carcinomas such as breast, colorectal, and gastric (GC) cancers, but the role of YAP1 in GC has not been investigated comprehensively. The present study strongly suggests that YAP1 and P62 were significantly up-regulated in GC specimens, compared with normal gastric mucosa. In addition, the YAP1high P62high expression was independently associated with poor prognosis in GC (hazard ratio: 1.334, 95% confidence interval: 1.045-1.704, P = 0...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27823999/microrna-210-plays-a-critical-role-in-the-angiogenic-effect-of-isoprenaline-on-human-umbilical-vein-endothelial-cells-via-regulation-of-noncoding-rnas
#8
You-You Yan, Zhi-Hui Wang, Lei Zhao, Dan-Dan Song, Chao Qi, Lu-Lu Liu, Jun-Nan Wang
BACKGROUND: β-adrenoceptors play a crucial regulatory role in blood vessel endothelial cells. Isoprenaline (ISO, a β-adrenergic agonist) has been reported to promote angiogenesis through upregulation of vascular endothelial growth factor (VEGF) expression; however, the underlying mechanism remains to be investigated. It is widely accepted that certain noncoding RNAs, including microRNAs (miRNAs) and long noncoding RNAs (lncRNAs), can regulate endothelial cell behavior, including their involvement in angiogenesis...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27814602/malat1-mediated-tumorigenesis
#9
Jianghua Liu, Wan-Xin Peng, Yin-Yuan Mo, Dianzhong Luo
Functional genomics studies over the past decades have unveiled that the human genome transcribes a large amount of long noncoding RNAs (lncRNAs) which have been implicated in regulation of diverse cellular functions. Dysregulation of lncRNAs are often associated with human diseases including cancer. The metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) is among the most abundant and highly conserved lncRNAs. Emerging evidence has indicated that MALAT1 may have complex and extensive functions in the development and progression of cancer...
January 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/27807832/transcriptome-and-proteome-analyses-of-tnfaip8-knockdown-cancer-cells-reveal-new-insights-into-molecular-determinants-of-cell-survival-and-tumor-progression
#10
Timothy F Day, Rajshree R Mewani, Joshua Starr, Xin Li, Debyani Chakravarty, Habtom Ressom, Xiaojun Zou, Ofer Eidelman, Harvey B Pollard, Meera Srivastava, Usha N Kasid
Tumor necrosis factor-α-inducible protein 8 (TNFAIP8) is the first discovered oncogenic and an anti-apoptotic member of a conserved TNFAIP8 or TIPE family of proteins. TNFAIP8 mRNA is induced by NF-kB, and overexpression of TNFAIP8 has been correlated with poor prognosis in many cancers. Downregulation of TNFAIP8 expression has been associated with decreased pulmonary colonization of human tumor cells, and enhanced sensitivities of tumor xenografts to radiation and docetaxel. Here we have investigated the effects of depletion of TNFAIP8 on the mRNA, microRNA and protein expression profiles in prostate and breast cancers and melanoma...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27801298/dysregulation-of-mitotic-machinery-genes-precedes-genome-instability-during-spontaneous-pre-malignant-transformation-of-mouse-ovarian-surface-epithelial-cells
#11
Ulises Urzúa, Sandra Ampuero, Katherine F Roby, Garrison A Owens, David J Munroe
BACKGROUND: Based in epidemiological evidence, repetitive ovulation has been proposed to play a role in the origin of ovarian cancer by inducing an aberrant wound rupture-repair process of the ovarian surface epithelium (OSE). Accordingly, long term cultures of isolated OSE cells undergo in vitro spontaneous transformation thus developing tumorigenic capacity upon extensive subcultivation. In this work, C57BL/6 mouse OSE (MOSE) cells were cultured up to passage 28 and their RNA and DNA copy number profiles obtained at passages 2, 5, 7, 10, 14, 18, 23, 25 and 28 by means of DNA microarrays...
October 25, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27793008/identification-of-a-serum-circulating-lncrna-panel-for-the-diagnosis-and-recurrence-prediction-of-bladder-cancer
#12
Weili Duan, Lutao Du, Xiumei Jiang, Rui Wang, Suzhen Yan, Yujiao Xie, Keqiang Yan, Qingliang Wang, Lili Wang, Xin Zhang, Hongwei Pan, Yongmei Yang, Chuanxin Wang
Accumulating evidence indicates that long non-coding RNAs (lncRNAs) play important roles in tumorigenesis and progression. We aimed to identify a panel of lncRNAs for the diagnosis and recurrence prediction in bladder cancer (BC). The expression of 13 candidate lncRNAs was investigated in 80 BC and matched adjacent normal tissues via quantitative real-time PCR. The differentially expressed lncRNAs were then analyzed in 240 serum samples (training set) and three lncRNAs (MEG3, SNHG16 and MALAT1) showed differential expression...
October 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27782152/hulc-cooperates-with-malat1-to-aggravate-liver-cancer-stem-cells-growth-through-telomere-repeat-binding-factor-2
#13
Mengying Wu, Zhuojia Lin, Xiaonan Li, Xiaoru Xin, Jiahui An, Qidi Zheng, Yuxin Yang, Dongdong Lu
The dysregulation of lncRNAs has increasingly been linked to many human diseases, especially in cancers. Our results demonstrate HULC, MALAT1 and TRF2 are highly expressed in human hepatocellular carcinoma tissues, and HULC plus MALAT1 overexpression drastically promotes the growth of liver cancer stem cells. Mechanistically, both HULC and MALAT1 overexpression enhanced RNA polII, P300, CREPT to load on the promoter region of telomere repeat-binding factor 2(TRF2), triggering the overexpression, phosphorylation and SUMOylation of TRF2...
October 26, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27777857/long-noncoding-rna-malat1-can-serve-as-a-valuable-biomarker-for-prognosis-and-lymph-node-metastasis-in-various-cancers-a-meta-analysis
#14
Ping Shuai, Yu Zhou, Bo Gong, Zhilin Jiang, Chong Yang, Hongji Yang, Dingding Zhang, Shikai Zhu
BACKGROUND: Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a newly discovered long intergenic noncoding RNA (lincRNA), has been reported to be aberrantly expressed in various cancers, and may serve as a novel potential biomarker for cancer prognosis. This meta-analysis was conducted to investigate the effects of MALAT1 on cancer prognosis and lymph node metastasis. METHODS: A quantitative meta-analysis was performed using a systematic search of PubMed, Medline and Web of Science databases to identify eligible papers on prognostic value of MALAT1 in cancers...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27725873/long-noncoding-rna-malat1-promotes-uveal-melanoma-cell-growth-and-invasion-by-silencing-of-mir-140
#15
Lei Sun, Peng Sun, Qi-Ying Zhou, Xiangchun Gao, Qing Han
Increasing evidences have demonstrated that long noncoding RNAs (LncRNAs) play a significant role in the development of tumor. However, the role of metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in uveal melanoma remains unknown. In this study, we demonstrated that the expression of MALAT1 was upregulated in the uveal melanoma tissues compared to normal tissues. Among them, MALAT1 was upregulated in 72% (18/25) uveal melanoma tissues compared to their paired normal tissues. Knockdown of MALAT1 suppressed uveal melanoma cell proliferation, colony information, invasion and migration...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27709553/long-noncoding-rna-expression-profile-of-infantile-hemangioma-identified-by-microarray-analysis
#16
Xiaowen Liu, Renrong Lv, Linfeng Zhang, Guangqi Xu, Jianhai Bi, Feng Gao, Jian Zhang, Feng Xue, Fagang Wang, Yiliang Wu, Cong Fu, Qiang Wang, Ran Huo
Infantile hemangioma (IH) is one of the most common vascular tumors of childhood. Long noncoding RNAs (lncRNAs) play a critical role in angiogenesis, but their involvement in hemangioma remains unknown. This study aimed to assess the expression profiles of lncRNAs in IH and adjacent normal tissue samples, exploring the biological functions of lncRNAs as well as their involvement in IH pathogenesis. The lncRNA expression profiles were determined by lncRNA microarrays. A total of 1259 and 857 lncRNAs were upregulated and downregulated in IH, respectively, at a fold change cutoff of 2...
October 5, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27696303/malat1-long-non-coding-rna-expression-in-thyroid-tissues-analysis-by-in-situ-hybridization-and-real-time-pcr
#17
Ranran Zhang, Heather Hardin, Wei Huang, Jidong Chen, Sofia Asioli, Alberto Righi, Francesca Maletta, Anna Sapino, Ricardo V Lloyd
Long non-coding RNAs (lncRNAs) are important for transcription and for epigenetic or posttranscriptional regulation of gene expression and may contribute to carcinogenesis. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), an lncRNA involved in the regulation of the cell cycle, cell proliferation, and cell migration, is known to be deregulated in multiple cancers. Here, we analyzed the expression of MALAT1 on 195 cases of benign and malignant thyroid neoplasms by using tissue microarrays for RNA in situ hybridization (ISH) and real-time PCR...
September 30, 2016: Endocrine Pathology
https://www.readbyqxmd.com/read/27693631/disrupting-malat1-mir-200c-sponge-decreases-invasion-and-migration-in-endometrioid-endometrial-carcinoma
#18
Qiulian Li, Chao Zhang, Ruichao Chen, Hanzhen Xiong, Fuman Qiu, Shaoyan Liu, Minfen Zhang, Fang Wang, Yu Wang, Xuan Zhou, Guohong Xiao, Xudong Wang, Qingping Jiang
Endometrioid endometrial carcinoma (EEC) is the most common gynecologic malignancy around the world. Epithelial-to-mesenchymal transition (EMT) is a core process during EEC cell invasion. The abnormal expression of the long noncoding RNA metastasis associated lung adenocarcinoma transcript 1 (MALAT1) or miR-200 family members were shown to facilitate EMT in multiple human cancers, but the regulatory mechanism by which MALAT1 and miR-200 act remains unknown. Previous studies have shown that miR-200 family members are enriched in EEC as well as melanoma and some ovarian carcinomas...
September 28, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27683224/antisense-oligonucleotides-delivered-to-the-amniotic-cavity-in-utero-modulate-gene-expression-in-the-postnatal-mouse
#19
Frederic F Depreux, Lingyan Wang, Han Jiang, Francine M Jodelka, Robert F Rosencrans, Frank Rigo, Jennifer J Lentz, John V Brigande, Michelle L Hastings
Congenital diseases account for a large portion of pediatric illness. Prenatal screening and diagnosis permit early detection of many genetic diseases. Fetal therapeutic strategies to manage disease processes in utero represent a powerful new approach for clinical care. A safe and effective fetal pharmacotherapy designed to modulate gene expression ideally would avoid direct mechanical engagement of the fetus and present an external reservoir of drug. The amniotic cavity surrounding the fetus could serve as an ideal drug reservoir...
November 16, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27649655/long-non-coding-rna-malat1-is-an-independent-prognostic-factor-of-osteosarcoma
#20
K-T Gao, D Lian
OBJECTIVE: Accumulating evidence revealed that long non-coding RNAs (lncRNAs) were emerging regulators in cancer biology, and could be used as potential biomarkers for cancer prognosis. In this study, we focused on MALAT1 and investigated its expression pattern, clinical significance in osteosarcoma. PATIENTS AND METHODS: The expression of lncRNA MALAT1 was analyzed in 162 osteosarcoma tissues by quantitative real-time PCR (qRT-PCR). Then, we explored the potential relationship between MALAT1 expression levels in tumor tissues and clinicopathological features of osteosarcoma, and clinical outcome...
September 2016: European Review for Medical and Pharmacological Sciences
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