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https://www.readbyqxmd.com/read/29395921/repression-of-cell-differentiation-by-a-cis-acting-lincrna-in-fission-yeast
#1
Sylvain Fauquenoy, Valerie Migeot, Olivier Finet, Carlo Yague-Sanz, Olga Khorosjutina, Karl Ekwall, Damien Hermand
The cell fate decision leading to gametogenesis requires the convergence of multiple signals on the promoter of a master regulator. In fission yeast, starvation-induced signaling leads to the transcriptional induction of the ste11 gene, which encodes the central inducer of mating and gametogenesis, known as sporulation. We find that the long intergenic non-coding (linc) RNA rse1 is transcribed divergently upstream of the ste11 gene. During vegetative growth, rse1 directly recruits a Mug187-Lid2-Set1 complex that mediates cis repression at the ste11 promoter through SET3C-dependent histone deacetylation...
January 18, 2018: Current Biology: CB
https://www.readbyqxmd.com/read/29364044/linc-ram-is-required-for-fgf2-function-in-regulating-myogenic-cell-differentiation
#2
Yixia Zhao, Fengqi Cao, Xiaohua Yu, Chuyan Chen, Jiao Meng, Ran Zhong, Yong Zhang, Dahai Zhu
Myogenic differentiation of skeletal muscle stem cells, also known satellite cells, is tightly orchestrated by extrinsic and intrinsic regulators. Basic fibroblast growth factor (FGF2) is well documented to be implicated in satellite cell self-renewal and differentiation by repressing MyoD. We recently identified a MyoD-regulated and skeletal muscle-specifically expressed long non-coding RNA Linc-RAM which enhances myogenic differentiation by facilitating MyoD/Baf60c/Brg1 complex assembly. Herein, we investigated the transcriptional regulation and intracellular signaling pathway in mediating Linc-RAM gene expression during muscle cell differentiation...
January 24, 2018: RNA Biology
https://www.readbyqxmd.com/read/29336198/long-non-coding-rna-gpr65-1-is-up-regulated-in-gastric-cancer-and-promotes-tumor-growth-through-the-pten-akt-slug-signaling-pathway
#3
Yansen Li, Zhanlong Shen, Bo Wang, Chunxiang Ye, Zhiyong Lai, Hongpeng Jiang, Zhu Wang, Kewei Jiang, Yingjiang Ye, Shan Wang
Increasing evidence has shown that abnormal expression of lncRNAs is involved in various biological behaviors and major cellular pathways of human cancers. However, the role of lncRNAs in the progression of gastric cancer has not been adequately investigated. Therefore, in this study, we investigated the expression levels of linc-GPR65-1 using Quantitative real-time PCR (qRT-PCR) and found that linc-GPR65-1 was significantly up-regulated in 50 gastric cancer tissues compared to the corresponding normal tissues...
January 16, 2018: Cell Cycle
https://www.readbyqxmd.com/read/29310950/expression-and-clinical-role-of-long-non-coding-rna-in-high-grade-serous-carcinoma
#4
Natalie Filippov-Levy, Hallel Cohen-Schussheim, Claes G Tropé, Thea E Hetland Falkenthal, Yoav Smith, Ben Davidson, Reuven Reich
OBJECTIVE: To profile long non-coding RNA (lncRNA) expression at the various anatomic sites of high-grades serous carcinoma (HGSC) and in effusion-derived exosomes. METHODS: LncRNA profiling was performed on 60 HGSC specimens, including 10 ovarian tumors, 10 solid metastases and 10 malignant effusions, as well as exosomes from 30 effusion supernatants. Anatomic site-related expression of ESRG, Link-A, GAS5, MEG3, GATS, PVT1 H19, Linc-RoR, HOTAIR and MALAT1 was validated by quantitative PCR and assessed for clinical relevance in a series of 77 HGSC effusions, 40 ovarian carcinomas, 21 solid metastases and 42 supernatant exosomes...
January 5, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29299144/lincrna00273-promotes-cancer-metastasis-and-its-g-quadruplex-promoter-can-serve-as-a-novel-target-to-inhibit-cancer-invasiveness
#5
Samarjit Jana, Jagannath Jana, Kartick Patra, Soma Mondal, Jyotsna Bhat, Arnab Sarkar, Pallabi Sengupta, Anindya Biswas, Meghomukta Mukherjee, Satya Prakash Tripathi, Rahul Gangwal, Joyita Hazra, Abhay T Sangamwar, Gopeswar Mukherjee, Shamee Bhattacharjee, Deba Prasad Mandal, Subhrangsu Chatterjee
Discovery of anti-metastatic drugs is of immense clinical significance as metastasis is responsible for 90% of all cancer deaths. Here we report the inhibitory effect of a bis schiff base (M2) on cancer cell migration and invasion in vitro and in vivo. M2 has shown good solubility and permeability across the intestinal cell wall and hence can be classified as BCS (Biopharmaceutical classification system) class I. Microarray studies identified a long non coding intergenic RNA, LINC00273 as a novel molecular target of M2...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29280051/long-non-coding-rna-linc-ror-is-upregulated-in-papillary-thyroid-carcinoma
#6
Ranran Zhang, Heather Hardin, Wei Huang, Darya Buehler, Ricardo V Lloyd
Long non-coding RNAs (lncRNAs) may contribute to carcinogenesis and tumor progression by regulating transcription and gene expression. The role of lncRNAs in the regulation of thyroid cancer progression is being extensively examined. Here, we analyzed three lncRNAs that were overexpressed in papillary thyroid carcinomas, long intergenic non-protein coding RNA, regulator of reprogramming (Linc-ROR, ROR) PVT1 oncogene (PVT1), and HOX transcript antisense intergenic RNA (HOTAIR) to determine their roles in thyroid tumor development and progression...
December 26, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/29237490/linc-ror-promotes-esophageal-squamous-cell-carcinoma-progression-through-the-derepression-of-sox9
#7
Lianghai Wang, Xiaodan Yu, Zhiyu Zhang, Lijuan Pang, Jiang Xu, Jinfang Jiang, Weihua Liang, Yuhang Chai, Jun Hou, Feng Li
BACKGROUND: Novel therapies tailored to the molecular composition of esophageal squamous cell carcinoma (ESCC) are needed to improve patient survival. We investigated the regulatory network of long intergenic non-protein coding RNA, regulator of reprogramming (linc-ROR) and sex-determining region Y-box 9 (SOX9), and their therapeutic relevance in ESCC. METHODS: Linc-ROR and SOX9 expression were examined in ESCC specimens, cell lines, and cultured tumorspheres. We investigated the effects of linc-ROR on SOX9 expression and malignant phenotypes by CCK8, colony formation, Transwell, and sphere-forming assay...
December 13, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29228420/knockdown-of-long-noncoding-rna-linc-itgb1-suppresses-migration-invasion-of-hepatocellular-carcinoma-via-regulating-zeb1
#8
W-W Yu, K Wang, G-J Liao
OBJECTIVE: This research focuses on the influence of linc-ITGB1 on the metastasis of hepatocellular carcinoma and further explores its underlying mechanism. PATIENTS AND METHODS: A total of 70 hepatocellular carcinoma patients were chosen for our study. RT-qPCR was used for detecting the expression level of linc-ITGB1 in their cancer tissues. Moreover, the expression level of linc-ITGB1 was also detected in hepatocellular carcinoma cell lines. Furthermore, whether linc-ITGB1 could affect the migrated and invaded ability of hepatocellular carcinoma cells was determined by wound healing assay and transwell assay...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29207090/long-intergenic-non%C3%A2-coding-rna%C3%A2-p21-mediates-cardiac-senescence-via-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway-in-doxorubicin-induced-cardiotoxicity
#9
Zhongdong Xie, Wenzheng Xia, Meng Hou
Doxorubicin (Dox)-induced cardiotoxicity has been a well‑known phenomenon to clinicians and scientists for decades. It has been confirmed that Dox‑dependent cardiotoxicity is accompanied by cardiac cellular senescence. However, the molecular mechanisms underlying Dox cardiotoxicity remains to be fully elucidated. Long non‑coding (lnc) RNAs regulate gene transcription and the fate of post‑transcriptional mRNA, which affects a broad range of age‑associated physiological and pathological conditions, including cardiovascular disease and cellular senescence...
November 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29201168/long-non-coding-rna-linc-itgb1-promotes-cell-proliferation-and-migration-in-human-hepatocellular-carcinoma-cells
#10
Meiling Shang, Xinhua Xu, Min Zhang, Hongyuan Yang
Hepatocellular carcinoma (HCC) represents a major endpoint of chronic liver diseases and is the third leading cause of cancer-related mortality. Long intergenic non-coding RNA-integrin subunit β1 ITGB1 (linc-ITGB1) is a novel long non-coding RNA, which is implicated in the development and progression of human tumors. However, its involvement in hepatocarcinogenesis remains to be elucidated. In the present study, the specific roles of linc-ITGB1 on cell proliferation and metastasis in HCC were investigated...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29195078/a-next-generation-connectivity-map-l1000-platform-and-the-first-1-000-000-profiles
#11
Aravind Subramanian, Rajiv Narayan, Steven M Corsello, David D Peck, Ted E Natoli, Xiaodong Lu, Joshua Gould, John F Davis, Andrew A Tubelli, Jacob K Asiedu, David L Lahr, Jodi E Hirschman, Zihan Liu, Melanie Donahue, Bina Julian, Mariya Khan, David Wadden, Ian C Smith, Daniel Lam, Arthur Liberzon, Courtney Toder, Mukta Bagul, Marek Orzechowski, Oana M Enache, Federica Piccioni, Sarah A Johnson, Nicholas J Lyons, Alice H Berger, Alykhan F Shamji, Angela N Brooks, Anita Vrcic, Corey Flynn, Jacqueline Rosains, David Y Takeda, Roger Hu, Desiree Davison, Justin Lamb, Kristin Ardlie, Larson Hogstrom, Peyton Greenside, Nathanael S Gray, Paul A Clemons, Serena Silver, Xiaoyun Wu, Wen-Ning Zhao, Willis Read-Button, Xiaohua Wu, Stephen J Haggarty, Lucienne V Ronco, Jesse S Boehm, Stuart L Schreiber, John G Doench, Joshua A Bittker, David E Root, Bang Wong, Todd R Golub
We previously piloted the concept of a Connectivity Map (CMap), whereby genes, drugs, and disease states are connected by virtue of common gene-expression signatures. Here, we report more than a 1,000-fold scale-up of the CMap as part of the NIH LINCS Consortium, made possible by a new, low-cost, high-throughput reduced representation expression profiling method that we term L1000. We show that L1000 is highly reproducible, comparable to RNA sequencing, and suitable for computational inference of the expression levels of 81% of non-measured transcripts...
November 30, 2017: Cell
https://www.readbyqxmd.com/read/29179215/long-non-coding-rna-linc-usp16-functions-as-a-tumour-suppressor-in-hepatocellular-carcinoma-by-regulating-pten-expression
#12
Jidong Sui, Xuejun Yang, Wenjing Qi, Kun Guo, Zhenming Gao, Liming Wang, Deguang Sun
BACKGROUND/AIMS: Recent evidence has indicated the crucial regulatory roles of long non-coding RNAs (lncRNAs) in tumour biology. In hepatocellular carcinoma (HCC), aberrant expression of lncRNAs plays an essential role in HCC tumourigenesis. However, the potential roles and regulatory mechanisms of the novel human lncRNA, Linc-USP16, in HCC are unclear. METHODS: To investigate the function of Linc-USP16 in HCC, we first analysed the expression levels of Linc-USP16 in HCC patient tissues and cell lines via q-RT-PCR and established overexpressed or knockdown HCC cell lines...
November 28, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29050257/linc-ror-induces-epithelial-to-mesenchymal-transition-in-ovarian-cancer-by-increasing-wnt-%C3%AE-catenin-signaling
#13
Yanhui Lou, Huanhuan Jiang, Zhumei Cui, Lingzhi Wang, Xiangyu Wang, Tian Tian
Long intergenic non-protein coding RNA, regulator of reprogramming (linc-ROR) is an intergenic long non-coding RNA (lncRNA) previously shown to contribute to tumorigenesis in several malignancies. However, little is known about whether linc-ROR has a role in ovarian cancer progression. In this study, we found that linc-ROR expression was increased in high-grade ovarian serous cancer tissues compared with normal ovarian tissues or normal fallopian tube tissues. Furthermore, the level of linc-ROR expression was associated with ovarian cancer International Federation of Gynecology and Obstetrics stage and lymph node metastasis...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028092/long-non-coding-rna-ror-is-a-novel-prognosis-factor-associated-with-non-small-cell-lung-cancer-progression
#14
C-H Qu, Q-Y Sun, F-M Zhang, Y-M Jia
OBJECTIVE: The aim of the present study was to determine the expression levels of long intergenic non-protein coding RNA, regulator of reprogramming (linc-ROR) in non-small-cell lung cancer (NSCLC) patients and to further explore the prognostic value of this lncRNA. PATIENTS AND METHODS: In our investigation, we determined the expression of linc-ROR in human NSCLC tissues and matched normal lung tissues by quantitative Real-time-PCR analysis. Also, correlations between linc-ROR expression and the clinicopathological features were evaluated...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28885863/long-noncoding-rna-bladder-cancer-associated-transcript-1-promotes-the-proliferation-migration-and-invasion-of-nonsmall-cell-lung-cancer-through-sponging-mir-144
#15
Ji-Ru Ye, Liang Liu, Feng Zheng
Nonsmall cell lung cancer (NSCLC) is a type of malignant tumor, accounting for 80% of all lung cancer morbidity. Long noncoding RNA (lncRNA) BLACAT1 (bladder cancer associated transcript 1), also known as linc-UBC1, has been tested to be an oncogenic lncRNA in other cancers. However, the role of BLACAT1 in NSCLC is still unknown. In clinical study, BLACAT1 expression was significantly upregulated in 48 cases of NSCLC tissues compared with adjacent normal tissues, especially in pathological TNM III samples. In NSCLC cells, BLACAT1 expression was also upregulated...
October 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28869448/large-intergenic-non-coding-rna-ror-as-a-potential-biomarker-for-the-diagnosis-and-dynamic-monitoring-of-breast-cancer
#16
Tianhe Zhao, Lichun Wu, Xinyang Li, Huangmei Dai, Zunzhen Zhang
BACKGROUND: Recent study has revealed that large intergenic non-coding RNA-ROR (linc-ROR) is aberrantly expressed in a number of cancers including breast cancer. However, whether circulating linc-ROR in plasma could be used for breast cancer diagnosis and dynamic monitoring is not clear. OBJECTIVE: The objective of this study is to determine if plasma linc-ROR could be applied as a biomarker for the diagnosis and dynamic monitoring of breast cancer. METHODS: We tested the expression levels of linc-ROR in 24 pairs of tissue samples and 96 plasma samples from breast cancer patients by quantitative real time-polymerase chain reaction (qRT-PCR), and analyzed the correlation between plasma linc-ROR levels and clinico-pathological characteristics...
August 23, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28860661/long-intergenic-non-coding-rna-galmd3-in-chicken-marek-s-disease
#17
Bo Han, Yanghua He, Li Zhang, Yi Ding, Ling Lian, Chunfang Zhao, Jiuzhou Song, Ning Yang
Long intergenic non-coding RNAs (lincRNAs) are transcribed from non-coding DNA sequences. Studies have revealed that aberrant expressions of lincRNAs are associated with various types of cancers and neurological disorders. Marek's disease (MD) is a highly contagious T-cell lymphoid neoplasia of chicken induced by Marek's disease virus (MDV). In this study, we first identified and validated linc-GALMD3 highly expressed in MDV-infected CD4+ T cells by RNA-Seq and qRT-PCR. By RNA-Seq analysis in MDCC-MSB1 cells after loss of function of linc-GALMD3 by shRNA, we found that linc-GALMD3 could positively cis-regulate its downstream gga-miR-223 gene expression...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28831067/the-function-of-the-inner-nuclear-envelope-protein-sun1-in-mrna-export-is-regulated-by-phosphorylation
#18
Ping Li, Maria Stumpf, Rolf Müller, Ludwig Eichinger, Gernot Glöckner, Angelika A Noegel
SUN1, a component of the LINC (Linker of Nucleoskeleton and Cytoskeleton) complex, functions in mammalian mRNA export through the NXF1-dependent pathway. It associates with mRNP complexes by direct interaction with NXF1. It also binds to the NPC through association with the nuclear pore component Nup153, which is involved in mRNA export. The SUN1-NXF1 association is at least partly regulated by a protein kinase C (PKC) which phosphorylates serine 113 (S113) in the N-terminal domain leading to reduced interaction...
August 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28829502/expression-of-long-non-coding-rna-linc-itgb1-in-breast-cancer-and-its-influence-on-prognosis-and-survival
#19
W-X Li, R-L Sha, J-Q Bao, W Luan, R-L Su, S-R Sun
OBJECTIVE: Long noncoding RNA linc-ITGB1 (linc-ITGB1) was reported to serve as a tumor promoter in breast cancer (BC). However, the clinical significance of linc-ITGB1 has not been reported. The present study aimed to determine the relationship between linc-ITGB1 expression and clinicopathological features and survival. PATIENTS AND METHODS: qRT-PCR was used to quantify the expression levels of linc-ITGB1 in BC and adjacent non-cancerous breast tissues. The X2 test was performed to determine the associations between linc-ITGB expression and the clinicopathological characters...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28703793/linc-dync2h1-4-promotes-emt-and-csc-phenotypes-by-acting-as-a-sponge-of-mir-145-in-pancreatic-cancer-cells
#20
Yuran Gao, Zhicheng Zhang, Kai Li, Liying Gong, Qingzhu Yang, Xuemei Huang, Chengcheng Hong, Mingfeng Ding, Huanjie Yang
The acquisition of epithelial-mesenchymal transition (EMT) and/or existence of a sub-population of cancer stem-like cells (CSC) are associated with malignant behavior and chemoresistance. To identify which factor could promote EMT and CSC formation and uncover the mechanistic role of such factor is important for novel and targeted therapies. In the present study, we found that the long intergenic non-coding RNA linc-DYNC2H1-4 was upregulated in pancreatic cancer cell line BxPC-3-Gem with acquired gemcitabine resistance...
July 13, 2017: Cell Death & Disease
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