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Lnc RNA

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https://www.readbyqxmd.com/read/28281528/lnc-mg-is-a-long-non-coding-rna-that-promotes-myogenesis
#1
Mu Zhu, Jiafan Liu, Jia Xiao, Li Yang, Mingxiang Cai, Hongyu Shen, Xiaojia Chen, Yi Ma, Sumin Hu, Zuolin Wang, An Hong, Yingxian Li, Yao Sun, Xiaogang Wang
Recent studies indicate important roles for long noncoding RNAs (lncRNAs) as essential regulators of myogenesis and adult skeletal muscle regeneration. However, the specific roles of lncRNAs in myogenic differentiation of adult skeletal muscle stem cells and myogenesis are still largely unknown. Here we identify a lncRNA that is specifically enriched in skeletal muscle (myogenesis-associated lncRNA, in short, lnc-mg). In mice, conditional knockout of lnc-mg in skeletal muscle results in muscle atrophy and the loss of muscular endurance during exercise...
March 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28252643/2-o-methylmagnolol-upregulates-the-long-non-coding-rna-gas5-and-enhances-apoptosis-in-skin-cancer-cells
#2
Tong-Hong Wang, Chieh-Wen Chan, Jia-You Fang, Ya-Min Shih, Yi-Wen Liu, Tzu-Chien V Wang, Chi-Yuan Chen
Magnolol, a hydroxylated biphenol compound isolated from the bark of Magnolia officinalis, has been shown to exhibit anti-proliferative effect in various cancer cells, including skin cancer cells. Methoxylation of magnolol appears to improve its anti-inflammatory activity, yet the effect of this modification on the agent's antitumor activity remains unknown. In this work, we report that 2-O-methylmagnolol (MM1) displays improved antitumor activity against skin cancer cells compared to magnolol both in vitro and in vivo...
March 2, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28249151/induction-of-the-long-noncoding-rna-nbr2-from-the-bidirectional-brca1-promoter-under-hypoxic-conditions
#3
J Erin Wiedmeier, Anna Ohlrich, Adrian Chu, Michael R Rountree, Mitchell S Turker
BRCA1 plays an important role in preventing breast cancer and is often silenced or repressed in sporadic cancer. The BRCA1 promoter is bidirectional: it drives transcription of the long non-coding (lnc) NBR2 transcript in the opposite orientation relative to the BRCA1 transcript. Hypoxic conditions repress BRCA1 transcription, but their effect on expression of the NBR2 transcript has not been reported. We used quantitative RT-PCR to measure BRCA1 and NBR2 transcript levels in 0% and 1% oxygen in MCF-7 breast cancer cells and found that NBR2 transcript levels increased as a function of time under hypoxic conditions, whereas BRCA1 mRNA levels were repressed...
February 2017: Mutation Research
https://www.readbyqxmd.com/read/28206970/genetic-variation-in-long-noncoding-rnas-and-the-risk-of-nonalcoholic-fatty-liver-disease
#4
Silvia Sookoian, Cristian Rohr, Adrián Salatino, Hernán Dopazo, Tomas Fernandez Gianotti, Gustavo O Castaño, Carlos J Pirola
The human transcriptome comprises a myriad of non protein-coding RNA species, including long noncoding RNAs (lncRNAs), which have a remarkable role in transcriptional and epigenetic regulation. We hypothesized that variants in lncRNAs influence the susceptibility to nonalcoholic fatty liver disease (NAFLD). Using next generation sequencing, we performed a survey of genetic variation associated with randomly selected lncRNA-genomic regions located within both experimentally validated and computationally predicted regulatory elements...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28195197/let-7e-modulates-the-inflammatory-response-in-vascular-endothelial-cells-through-cerna-crosstalk
#5
Zongwei Lin, Junfeng Ge, Zhe Wang, Jianwei Ren, Xiaowei Wang, Hui Xiong, Jing Gao, Yan Zhang, Qunye Zhang
The inflammatory responses of vascular endothelial cells (VECs) are critical in the development of many cardio-cerebrovascular diseases. Let-7e is an important regulator of endothelial function and inflammation. However, the effects and mechanisms of let-7e on VECs inflammation have not been studied until recently. Thus, we investigated these issues and found that in addition to proliferation, apoptosis and cell adhesion, let-7e was also implicated in the regulation of inflammatory responses through a complex network, including IκBβ and lncRNA lnc-MKI67IP-3...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28189050/h19-overexpression-induces-resistance-to-1-25-oh-2d3-by-targeting-vdr-through-mir-675-5p-in-colon-cancer-cells
#6
Shanwen Chen, Dingfang Bu, Yuanyuan Ma, Jing Zhu, Guowei Chen, Lie Sun, Shuai Zuo, Tengyu Li, Yisheng Pan, Xin Wang, Yucun Liu, Pengyuan Wang
The long noncoding (lnc) RNA H19 was involved in the tumorigenesis of many types of cancer. However, the role of H19 in the tumorigenesis of colon cancer has not been fully illustrated. Recent studies suggested a potential relationship between H19 and vitamin D receptor (VDR) signaling. Considering the pivotal role of VDR signaling in the colon epithelium both physiologically and pathologically, the correlation between H19 and VDR signaling may have an important role in the development of colon cancer. In this study, the correlation between H19 and vitamin D receptor (VDR) signaling and the underlying mechanisms in colon cancer were investigated both in vitro and in vivo...
February 7, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28185352/lnc-dc-mediates-the-over-maturation-of-decidual-dendritic-cells-and-induces-the-increase-in-th1-cells-in-preeclampsia
#7
Wen Zhang, Yang Zhou, YiLing Ding
PROBLEM: Preeclampsia is a severe pregnancy-related disease that involves an imbalance of the immune reaction, which is dominated by T helper1 (Th1) cells; however, the mechanism is unclear. METHOD OF STUDY: We used flow cytometry, RT-PCR and western blotting to detect Th1 cells in the blood and mature dendritic cells, lnc-DC (a long non-coding RNA that is specifically expressed in DCs and can mediate dendritic cell maturation by phosphorylating STAT3) and p-STAT3 (phosphorylated transducer and activator of transcription 3) in the deciduas of normal pregnancies and preeclampsia patients...
February 10, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28174058/the-expression-of-lnc-il-7r-long-non-coding-rna-dramatically-correlated-with-soluble-and-membrane-bound-isoforms-of-il-7ra-gene-in-multiple-sclerosis-patients
#8
Parinaz Bina, Majid Pahlevan Kakhki, Mohammad Ali Sahraian, Mehrdad Behmanesh
BACKGROUND AND PURPOSE: Multiple sclerosis (MS) is a neurological disease of the central nervous system (CNS) that causes physical and cognitive impairments. IL-7Ra is a key non-MHC gene associated with MS. IL-7Ra is a likely functional candidate for this complex disease because it is involved in the development, maturation, and homeostasis of T and B cells. Our aim was to evaluate the expression level and controlling role of lnc-IL-7R in the expression of two variants of IL-7Ra in MS patients versus healthy controls and their correlation with certain clinical features...
March 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28138030/the-tlr3-agonist-inhibit-drug-efflux-and-sequentially-consolidates-low-dose-cisplatin-based-chemoimmunotherapy-while-reducing-side-effects
#9
Liang Ding, Jing Ren, Dongya Zhang, Yi Li, XiaoFeng Huang, Jianjian Ji, Qingang Hu, Hui Wang, Yanhong Ni, Yayi Hou
The traditional maximum dose density chemotherapy renders the tumor patients not only the tumor remission but the chemotherapy resistance and more adverse side effects. According to the widely positive expression of Toll-like receptor (TLR)-3 in oral squamous cell carcinoma (OSCC) patients (n=166), we here provided an alternative strategy involved the orderly treatment of TLR3 agonist polyinosine-polycytidylic acid (PIC) and low-dose cisplatin. The optimal dose of cisplatin, the novel role of PIC and the side effects of the combined chemotherapy were determined in vitro and in distinct human tumor models in vivo...
January 30, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28115163/lnc-atb-contributes-to-gastric-cancer-growth-through-a-mir-141-3p-tgf%C3%AE-2-feedback-loop
#10
Kecheng Lei, Xin Liang, Yuwei Gao, Baixue Xu, Yichun Xu, Yueqi Li, Yiwen Tao, Weibin Shi, Jianwen Liu
The long noncoding RNA (lncRNA) ATB is an important regulator in human tumors. Here, we aimed to investigate the potential molecular mechanisms of lnc-ATB in gastric cancer (GC) tumorigenesis. RT-qPCR analysis was used to detect lnc-ATB expression level in 20 pairs of gastric cancer tissues and adjacent normal gastric mucosa tissues (ANTs). Moreover, the biological role of lnc-ATB was determined in vitro. We found that lnc-ATB was significantly upregulated in GC tissues compared to lnc-ATB expression in ANTs...
March 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28111341/dysregulation-of-long-noncoding-rnas-in-mouse-testes-and-spermatozoa-after-exposure-to-cadmium
#11
Fengxin Gao, Peng Zhang, Hongyan Zhang, Yunhui Zhang, Yunwen Zhang, Qingyun Hao, Xiaoning Zhang
There is increasing evidence that cadmium (Cd) exposure can cause male subfertility and even complete infertility in mammals. Long noncoding (lnc) RNAs are critical for spermatogenesis, and their dysregulation might lead to male infertility. However, whether they are involved in Cd-induced subfertility is unknown. Here we found that intraperitoneal exposure to Cd in mice led to male subfertility indicated by reductions in testicular sperm production and motility, and by abnormal morphology. Testicular and sperm RNAs were used to investigate lncRNA expression profiles by strand-specific RNA sequencing at the transcriptome level to help determine any RNA-related mechanisms in Cd-induced subfertility...
January 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28073357/long-noncoding-rna-repertoire-in-chicken-liver-and-adipose-tissue
#12
Kévin Muret, Christophe Klopp, Valentin Wucher, Diane Esquerré, Fabrice Legeai, Frédéric Lecerf, Colette Désert, Morgane Boutin, Frédéric Jehl, Hervé Acloque, Elisabetta Giuffra, Sarah Djebali, Sylvain Foissac, Thomas Derrien, Sandrine Lagarrigue
BACKGROUND: Improving functional annotation of the chicken genome is a key challenge in bridging the gap between genotype and phenotype. Among all transcribed regions, long noncoding RNAs (lncRNAs) are a major component of the transcriptome and its regulation, and whole-transcriptome sequencing (RNA-Seq) has greatly improved their identification and characterization. We performed an extensive profiling of the lncRNA transcriptome in the chicken liver and adipose tissue by RNA-Seq. We focused on these two tissues because of their importance in various economical traits for which energy storage and mobilization play key roles and also because of their high cell homogeneity...
January 10, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/27981548/expression-of-long-non-coding-rna-lncrna-h19-in-immunodeficient-mice-induced-with-human-colon-cancer-cells
#13
Q Hu, Y-B Wang, P Zeng, G-Q Yan, L Xin, X-Y Hu
OBJECTIVE: To study the expression of long non-coding RNA (lncRNA) H19 in immunodeficient mice induced with human colon cancer cells. Long non-coding RNAs (lncRNA) have a vital and regulatory role, in almost all cancers including colon cancer. In the present study, the prominent regulatory role of IncH19 RNA in immunodeficient mice induced with human colon cancer cells was identified. Interestingly, the lncH19 RNA was up-regulated in human colon cancer cells induced immunodeficient mice colon cancer samples...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27927271/long-noncoding-rna-expression-signatures-of-abdominal-aortic-aneurysm-revealed-by-microarray
#14
Yao Guo Yang, Mei Xia Li, Lei Kou, You Zhou, Yan Wen Qin, Xiao Jun Liu, Zhong Chen
OBJECTIVE: This study is aimed at observing the role of long noncoding RNAs (lncRNAs) in the pathogenesis of abdominal aortic aneurysm (AAA). METHODS: LncRNA and mRNA expression signatures of AAA tissues and normal abdominal aortic tissues (NT) were analyzed by microarray and further verified by Real-time quantitative reverse-transcription PCR (qRT-PCR). The lncRNAs-mRNAs targeting relationships were identified using computational analysis. The effect of lnc-ARG on 5-lipoxygenase (ALOX5) expression was tested in HeLa cells...
October 2016: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/27912775/a-novel-long-non-coding-rna-lnc-gnat1-1-is-low-expressed-in-colorectal-cancer-and-acts-as-a-tumor-suppressor-through-regulating-rkip-nf-%C3%AE%C2%BAb-snail-circuit
#15
Chunxiang Ye, Zhanlong Shen, Bo Wang, Yansen Li, Tao Li, Yang Yang, Kewei Jiang, Yingjiang Ye, Shan Wang
BACKGROUND: The role of long non-coding RNAs (lncRNAs) in colorectal cancer (CRC) progression has not fully been elucidated. This study was designed to report the identification of a novel lncRNA, lnc-GNAT1-1, and its functional role in CRC progression. METHODS: lncRNA expression profile microarray was performed in three paired primary and liver metastatic tissues of CRC, and a novel lncRNA, lnc-GNAT1-1, was identified to be a potential functional lncRNA. Quantitative real-time PCR was used to detect its expression in CRC tissues, cell lines, and patients' plasma, cell fractionation was used to evaluate its subcellular location...
December 3, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27862128/regulation-of-crucial-lncrnas-in-differentiation-of-chicken-embryonic-stem-cells-to-spermatogonia-stem-cells
#16
D Li, Y Ji, F Wang, Y Wang, M Wang, C Zhang, W Zhang, Z Lu, C Sun, M F Ahmed, N He, K Jin, S Cheng, Y Wang, Y He, J Song, Y Zhang, B Li
Regulation of crucial lncRNAs involved in differentiation of chicken embryonic stem cells (ESCs) to spermatogonia stem cells (SSCs) was explored by sequencing the transcriptome of ESCs, primordial germ cells (PGCs) and SSCs with RNA-Seq; analytical bioinformatic methods were used to excavate candidate lncRNAs. We detected expression of candidate lncRNAs in ESCs, PGCs and SSCs and forecasted related target genes. Utilizing wego, david and string, function and protein-protein interactions of target genes were analyzed...
April 2017: Animal Genetics
https://www.readbyqxmd.com/read/27853262/the-lnc-rna-spry4-it1-modulates-trophoblast-cell-invasion-and-migration-by-affecting-the-epithelial-mesenchymal-transition
#17
Qing Zuo, Shiyun Huang, Yanfen Zou, Yetao Xu, Ziyan Jiang, Shan Zou, Haoqing Xu, Lizhou Sun
Preeclampsia is a common, pregnancy-specific disease and a major contributor to maternal and foetal morbidity and mortality. Some placental abnormalities, including deficient implantation, abnormal trophoblast cell function, and improper placental vascular development, are believed to lead to preeclampsia. The long noncoding RNA SPRY4-IT1 is more highly expressed in preeclamptic human placentas than in normal placentas. We assessed the role of epithelial-mesenchymal transition (EMT)-associated invasion and migration in HTR-8/SVneo trophoblast cells...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27789554/lnc-ing-notch1-to-idiopathic-calcific-aortic-valve-disease
#18
EDITORIAL
W David Merryman, Cynthia R Clark
No abstract text is available yet for this article.
December 6, 2016: Circulation
https://www.readbyqxmd.com/read/27780975/the-role-and-possible-mechanism-of-lncrna-u90926-in-modulating-3t3-l1-preadipocyte-differentiation
#19
J Chen, Y Liu, S Lu, L Yin, C Zong, S Cui, D Qin, Y Yang, Q Guan, X Li, X Wang
BACKGROUND: Obesity is a risk factor for metabolic diseases, while preadipocyte differentiation or adipogenesis is closely related to obesity occurrence. Long noncoding RNAs (lncRNAs) are a unique class of transcripts in regulation of a variety of biological processes. Using cDNA microarray, we found lncRNA U90926 is negatively correlated with 3T3-L1 preadipocyte differentiation. OBJECTIVE: The aim of this study was to explore the role of lncRNA U90926 (lnc-U90926) in adipogenesis and the underlying mechanisms...
February 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27713137/a-long-noncoding-rna-positively-regulates-cd56-in-human-natural-killer-cells
#20
Ruya Zhang, Fang Ni, Binqing Fu, Yang Wu, Rui Sun, Zhigang Tian, Haiming Wei
Natural killer (NK) cells are innate immune lymphocytes that play critical roles in host defense against viral infection and surveillance against malignant transformation. Long noncoding RNAs (lncRNAs) are important immune system regulators. Here, we analyzed human primary lymphocyte lncRNA expression profiles to identify NK-lncRNA signatures. We detected numerous novel NK-specific lncRNAs with potential roles in regulating human NK cell differentiation and function. Expression of lnc-CD56, an NK-specific lncRNA, was positively correlated with that of CD56, a classical human NK cell surface marker...
October 4, 2016: Oncotarget
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