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https://www.readbyqxmd.com/read/29341928/a-novel-brown-adipocyte-enriched-long-non-coding-rna-that-is-required-for-brown-adipocyte-differentiation-and-sufficient-to-drive-thermogenic-gene-program-in-white-adipocytes
#1
Yan Xiong, Feng Yue, Zhihao Jia, Yun Gao, Wen Jin, Keping Hu, Yong Zhang, Dahai Zhu, Gongshe Yang, Shihuan Kuang
The thermogenic activities of brown and beige adipocytes can be exploited to reduce energy surplus and counteract obesity. Recent RNA sequencing studies have uncovered a number of long noncoding RNAs (lncRNAs) uniquely expressed in white and brown adipose tissues (WAT and BAT), but whether and how these lncRNAs function in adipogenesis remain largely unknown. Here, we report the identification of a novel brown adipocyte-enriched LncRNA (AK079912), and its nuclear localization, function and regulation. The expression of AK079912 increases during brown preadipocyte differentiation and in response to cold-stimulated browning of white adipocytes...
January 13, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29341117/hoxd-as1-mir-130a-sponge-regulates-glioma-development-by-targeting-e2f8
#2
Yinan Chen, Fengbo Zhao, Daming Cui, Rui Jiang, Jian Chen, Qingfeng Huang, Jinlong Shi
Glioma development is an extremely complex process with changes occurring in numerous genes. HOXD antisense growth-associated long non-coding RNA (HOXD-AS1), an important long non-coding RNA (lncRNA), is known to regulate metastasis-related gene expression in bladder cancer, ovarian cancer and neuroblastoma. Here, we elucidated the function and possible molecular mechanisms of lncRNA HOXD-AS1 in human glioma cells. Our results proved that HOXD-AS1 expression was upregulated in glioma tissues and in glioma cell lines...
January 17, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29340952/rfathm6a-a-new-tool-for-predicting-m6a-sites-in-arabidopsis-thaliana
#3
Xiaofeng Wang, Renxiang Yan
We curated a reliable dataset of m6A sites in Arabidopsis thaliana, built competitive models for predicting m6A sites, extracted predominant rules from the prediction models and analyzed the most important features. In biological RNA, approximately 150 chemical modifications have been discovered, of which N6-methyladenine (m6A) is the most prevalent and abundant. This modification plays an essential role in a myriad of biological mechanisms and regulates RNA localization, nuclear export, translation, stability, alternative splicing, and other processes...
January 16, 2018: Plant Molecular Biology
https://www.readbyqxmd.com/read/29340213/non-coding-rnas-as-transcriptional-regulators-in-eukaryotes
#4
O Y Burenina, T S Oretskaya, E A Kubareva
Non-coding RNAs up to 1,000 nucleotides in length are widespread in eukaryotes and fulfil various regulatory functions, in particular during chromatin remodeling and cell proliferation. These RNAs are not translated into proteins: thus, they are non-coding RNAs (ncRNAs). The present review describes the eukaryotic ncRNAs involved in transcription regulation, first and foremost, targeting RNA polymerase II (RNAP II) and/or its major proteinaceous transcription factors. The current state of knowledge concerning the regulatory functions of SRA and TAR RNA, 7SK and U1 snRNA, GAS5 and DHFR RNA is summarized herein...
October 2017: Acta Naturae
https://www.readbyqxmd.com/read/29340089/lncrna-rncr3-promotes-chop-expression-by-sponging-mir-185-5p-during-mdsc-differentiation
#5
Wencong Shang, Zhenzhen Tang, Yunhuan Gao, Houbao Qi, Xiaomin Su, Yuan Zhang, Rongcun Yang
Myeloid-derived suppressor cells (MDSCs) play a critical role in regulating immune responses in cancer and other pathological conditions. Mechanism(s) regulating MDSC differentiation and function is not completely clear, especially epigenetic regulation. In this study, we found that MDSCs express retinal non-coding RNA3 (RNCR3), and the expression in MDSCs is upregulated by inflammatory and tumor associated factors. RNCR3 may function as a competing endogenous RNA (ceRNA) to promote Chop expression by sponging miR-185-5p during MDSC differentiation...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29340074/identification-of-novel-diagnostic-biomarkers-for-thyroid-carcinoma
#6
Xiliang Wang, Qing Zhang, Zhiming Cai, Yifan Dai, Lisha Mou
Thyroid carcinoma (THCA) is the most universal endocrine malignancy worldwide. Unfortunately, a limited number of large-scale analyses have been performed to identify biomarkers for THCA. Here, we conducted a meta-analysis using 505 THCA patients and 59 normal controls from The Cancer Genome Atlas. After identifying differentially expressed long non-coding RNA (lncRNA) and protein coding genes (PCG), we found vast difference in various lncRNA-PCG co-expressed pairs in THCA. A dysregulation network with scale-free topology was constructed...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339785/the-lncrna-gata6-as-epigenetically-regulates-endothelial-gene-expression-via-interaction-with-loxl2
#7
Philipp Neumann, Nicolas Jaé, Andrea Knau, Simone F Glaser, Youssef Fouani, Oliver Rossbach, Marcus Krüger, David John, Albrecht Bindereif, Phillip Grote, Reinier A Boon, Stefanie Dimmeler
Impaired or excessive growth of endothelial cells contributes to several diseases. However, the functional involvement of regulatory long non-coding RNAs in these processes is not well defined. Here, we show that the long non-coding antisense transcript of GATA6 (GATA6-AS) interacts with the epigenetic regulator LOXL2 to regulate endothelial gene expression via changes in histone methylation. Using RNA deep sequencing, we find that GATA6-AS is upregulated in endothelial cells during hypoxia. Silencing of GATA6-AS diminishes TGF-β2-induced endothelial-mesenchymal transition in vitro and promotes formation of blood vessels in mice...
January 16, 2018: Nature Communications
https://www.readbyqxmd.com/read/29339628/downregulation-of-long-non-coding-rna-kcnq1ot1-an-important-mechanism-of-arsenic-trioxide-induced-long-qt-syndrome
#8
Yanan Jiang, Weijie Du, Qun Chu, Ying Qin, Gulnara Tuguzbaeva, Hui Wang, Anqi Li, Guiyang Li, Yanyao Li, Lu Chai, Er Yue, Xi Sun, Zhiguo Wang, Valentin Pavlov, Baofeng Yang, Yunlong Bai
BACKGROUND/AIMS: Arsenic trioxide (ATO) is a known anti-acute promyelocytic leukemia (APL) reagent, whose clinical applications are limited by its serious cardiac toxicity and fatal adverse effects, such as sudden cardiac death resulting from long QT syndrome (LQTS). The mechanisms of cardiac arrhythmia due to ATO exposure still need to be elucidated. Long non-coding RNAs (lncRNAs) are emerging as major regulators of various pathophysiological processes. This study aimed to explore the involvement of lncRNAs in ATO-induced LQTS in vivo and in vitro...
January 15, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29339419/linc00152-down-regulated-mir-193a-3p-to-enhance-mcl1-expression-and-promote-gastric-cancer-cells-proliferation
#9
Yong Huang, Hui Luo, Fang Li, Yun'e Yang, Guangsheng Ou, Xiaolong Ye, Nianchu Li
The present work aimed to probe into the effect of long non-coding RNA (lncRNA) LINC00152 on gastric cancer (GC) cells proliferation by regulating miR-193a-3p and its target gene MCL1 Transfected si-LINC00152 was used to down-regulate LINC00152, and cells proliferation was measured by the CCK-8 assay. Cell apoptosis and cell cycle were analyzed by flow cytometry. Besides, we also detected the potential functional effects of differential expression of LINC00152 in vivo using nude mouse xenograft model. We overexpressed and down-expressed miR-193a-3p to study the in vitro effect of miR-193a-3p on GC cells proliferation and vitality...
January 16, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29339211/long-non-coding-rna-xist-promotes-tgf-%C3%AE-induced-epithelial-mesenchymal-transition-by-regulating-mir-367-141-zeb2-axis-in-non-small-cell-lung-cancer
#10
Chang Li, Liang Wan, Zeyi Liu, Guangquan Xu, Shengjie Wang, Zhiyue Su, Yingxi Zhang, Cuijuan Zhang, Xia Liu, Zhe Lei, Hong-Tao Zhang
Growing evidence shows that lncRNA XIST functions as an oncogene accelerating tumor progression. Transforming growth factor β (TGF-β)-induced epithelial-mesenchymal transition (EMT) plays a key role in tumor metastasis. However, it is still unclear whether lncRNA XIST is implicated in TGF-β-induced EMT and influences cell invasion and metastasis in non-small-cell lung cancer (NSCLC). Here, we observed increased expression of lncRNA XIST and ZEB2 mRNA in metastatic NSCLC tissues. Knockdown of lncRNA XIST inhibited ZEB2 expression, and repressed TGF-β-induced EMT and NSCLC cell migration and invasion...
January 12, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29339072/deep-sequencing-of-a-qtl-rich-region-spanning-128-136mbp-of-pig-chromosome-15
#11
K Piórkowska, K Żukowski, K Ropka-Molik, M Tyra
The present study shows the characterization of the chromosome 15 (SSC15) region that is highly rich in quantitative traits loci (QTLs) associated with pork quality, growth performance, fat and meat carcass contents. The analytic method that was utilized included targeted enrichment DNA sequencing and RNA hybridisation probes. The research included two pig breeds (Puławska and Polish Landrace) that are significantly different in terms of carcass and meat quality features. Filtered sequences were aligned to the Sscrofa10...
January 12, 2018: Gene
https://www.readbyqxmd.com/read/29338818/expression-and-function-of-long-non-coding-rna-casc19-in-colorectal-cancer
#12
Jian Jun Wang, Xiao Min Li, Lei He, Shu Zhi Zhong, Yan Xiao Peng, Na Ji
Objective To investigate the expression, function and significance of long non-coding RNA (lncRNA) CASC19 in colorectal cancer (CRC). Methods Real-time quantitative polymerase chain reaction was employed to determine the expression of CASC19 in 40 paired samples from CRC surgical specimens and 5 CRC cell lines. The correlations of CASC19 expression with clinicopathologic parameters were analyzed. Transwell assay was applied to detect the migration ability of CRC cells after the CASC19 expression was knocked down by small interfering RNA...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29337313/complete-genome-sequencing-of-the-luminescent-bacterium-vibrio-qinghaiensis-sp-q67-using-pacbio-technology
#13
Liang Gong, Yu Wu, Qijie Jian, Chunxiao Yin, Taotao Li, Vijai Kumar Gupta, Xuewu Duan, Yueming Jiang
Vibrio qinghaiensis sp.-Q67 (Vqin-Q67) is a freshwater luminescent bacterium that continuously emits blue-green light (485 nm). The bacterium has been widely used for detecting toxic contaminants. Here, we report the complete genome sequence of Vqin-Q67, obtained using third-generation PacBio sequencing technology. Continuous long reads were attained from three PacBio sequencing runs and reads >500 bp with a quality value of >0.75 were merged together into a single dataset. This resultant highly-contiguous de novo assembly has no genome gaps, and comprises two chromosomes with substantial genetic information, including protein-coding genes, non-coding RNA, transposon and gene islands...
January 16, 2018: Scientific Data
https://www.readbyqxmd.com/read/29337117/xist-derepression-in-active-x-chromosome-hinders-pig-somatic-cell-nuclear-transfer
#14
Degong Ruan, Jiangyun Peng, Xiaoshan Wang, Zhen Ouyang, Qingjian Zou, Yi Yang, Fangbing Chen, Weikai Ge, Han Wu, Zhaoming Liu, Yu Zhao, Bentian Zhao, Quanjun Zhang, Chengdan Lai, Nana Fan, Zhiwei Zhou, Qishuai Liu, Nan Li, Qin Jin, Hui Shi, Jingke Xie, Hong Song, Xiaoyu Yang, Jiekai Chen, Kepin Wang, Xiaoping Li, Liangxue Lai
Pig cloning by somatic cell nuclear transfer (SCNT) remains extremely inefficient, and many cloned embryos undergo abnormal development. Here, by profiling transcriptome expression, we observed dysregulated chromosome-wide gene expression in every chromosome and identified a considerable number of genes that are aberrantly expressed in the abnormal cloned embryos. In particular, XIST, a long non-coding RNA gene, showed high ectopic expression in abnormal embryos. We also proved that nullification of the XIST gene in donor cells can normalize aberrant gene expression in cloned embryos and enhance long-term development capacity of the embryos...
January 10, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29337107/trna-derived-small-non-coding-rnas-in-human-disease
#15
Lei Zhu, Xuesha Liu, Wencheng Pu, Yong Peng
Besides attending protein synthesis, transfer RNA (tRNA) is an important regulatory non-coding RNA (ncRNA) that participates in various cellular processes, including cellular metabolism and cell death. Fragments generated from pre- or mature tRNAs by specific endonucleases cleavage (tRNA-derived small non-coding RNA [tsncRNAs]), rather than random degradation products, are newly defined functional small non-coding RNAs (sncRNAs). They can be regulated in bacteria, yeast, plants and animals to respond to stress conditions, resulting in regulation of gene expressions at both transcriptional and post-transcriptional level...
January 11, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29337100/knockdown-of-long-non-coding-rna-xist-inhibits-cell-viability-and-invasion-by-regulating-mir-137-pxn-axis-in-non-small-cell-lung-cancer
#16
Huijuan Jiang, Hongzhi Zhang, Xigang Hu, Wenbo Li
Long non-coding RNAs (lncRNAs) may serve as miRNA sponges to modulate the expressions of miRNA target genes. LncRNA X-inactive specific transcript (XIST) has been demonstrated to be upregulated and act as an oncogene in non-small cell lung cancer (NSCLC). However, the sponge role of XIST in NSCLC progression remains largely unknown. In this study, we demonstrated that XIST was substantially upregulated and miR-137 was aberrantly downregulated in NSCLC tissues and cells. XIST was identified to function as a competitive endogenous RNA (ceRNA) for miR-137 to promote NSCLC cell viability and invasion...
January 11, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29336659/long-non-coding-rna-hotair-promotes-cervical-cancer-progression-through-regulating-bcl2-via-targeting-mir-143-3p
#17
Mingzhu Liu, Jinying Jia, Xinjie Wang, Yanjie Liu, Chunfang Wang
BACKGROUND: HOX transcript antisense RNA (HOTAIR) is a long non-coding RNA (lncRNA) widely involved in the progression of numerous malignancies. Whereas, the potential molecular mechanism of HOTAIR involved in cervical cancer progression is still needed to be elaborated. METHODS: The expression of HOTAIR and miR-143-3p were detected in cervical cancer tissues and cells by qRT-PCR. MTT and flow cytometry analysis were performed to measure cell proliferation and apoptosis...
January 16, 2018: Cancer Biology & Therapy
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
#18
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/29335913/analyzing-the-interactions-of-mrnas-mirnas-lncrnas-and-circrnas-to-predict-competing-endogenous-rna-networks-in-glioblastoma
#19
Yang Yuan, Li Jiaoming, Wang Xiang, Liu Yanhui, Jiang Shu, Gou Maling, Mao Qing
Cross-talk between competitive endogenous RNAs (ceRNAs) may play a critical role in revealing potential mechanisms of tumor development and physiology. Glioblastoma is the most common type of malignant primary brain tumor, and the mechanisms of tumor genesis and development in glioblastoma are unclear. Here, to investigate the role of non-coding RNAs and the ceRNA network in glioblastoma, we performed paired-end RNA sequencing and microarray analyses to obtain the expression profiles of mRNAs, lncRNAs, circRNAs and miRNAs...
January 15, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29335299/hotair-contributes-to-cell-proliferation-and-metastasis-of-cervical-cancer-via-targeting-mir-23b-mapk1-axis
#20
Qin Li, Yanhong Feng, Xu Chao, Shuai Shi, Man Liang, Yumei Qiao, Bin Wang, Pin Wang, Zhenning Zhu
The long non-coding RNA HOX transcript antisense RNA (HOTAIR) has been found overexpressed in many human malignancies and involved in tumor progression and metastasis. Although the downstream target through which HOTAIR modulates tumor metastasis is not well-known, evidence suggests that microRNA23b (miR23b) might be involved in this event. In the present study, the expressions of HOTAIR and miR23b were detected by real-time PCR in 33 paired cervical cancer tissue samples and cervical cell lines. The effects of HOTAIR on the expressions of miR23b and mitogen-activated protein kinase 1 (MAPK1) were studied by overexpression and RNA interference approaches...
January 15, 2018: Bioscience Reports
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