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Wen Wang, Fan Yang, Lu Zhang, Jing Chen, Zheng Zhao, Haoyuan Wang, Fan Wu, Tingyu Liang, Xiaoyan Yan, Jiye Li, Qing Lan, Jiangfei Wang, Jizong Zhao
Anaplastic glioma is Grade III and the median overall survival is about 37.6 months. However, there are still other factors that affect the prognosis for anaplastic glioma patients due to variable overall survival. So we screened four-lncRNA signature (AGAP2-AS1, TPT1-AS1, LINC01198 and MIR155HG) from the lncRNA expression profile from the GSE16011, CGGA and REMBRANDT datasets. The patients in low risk group had longer overall survival than high risk group (median OS 2208.25 vs. 591.30 days; P < 0.0001)...
October 13, 2016: Oncotarget
Kayvan Etebari, Sultan Asad, Guangmei Zhang, Sassan Asgari
Long intergenic non-coding RNAs (lincRNAs) are appearing as an important class of regulatory RNAs with a variety of biological functions. The aim of this study was to identify the lincRNA profile in the dengue vector Aedes aegypti and evaluate their potential role in host-pathogen interaction. The majority of previous RNA-Seq transcriptome studies in Ae. aegypti have focused on the expression pattern of annotated protein coding genes under different biological conditions. Here, we used 35 publically available RNA-Seq datasets with relatively high depth to screen the Ae...
October 2016: PLoS Neglected Tropical Diseases
Jianyin Long, Shawn S Badal, Zengchun Ye, Yin Wang, Bernard A Ayanga, Daniel L Galvan, Nathanael H Green, Benny H Chang, Paul A Overbeek, Farhad R Danesh
The regulatory roles of long noncoding RNAs (lncRNAs) in transcriptional coactivators are still largely unknown. Here, we have shown that the peroxisome proliferator-activated receptor γ (PPARγ) coactivator α (PGC-1α, encoded by Ppargc1a) is functionally regulated by the lncRNA taurine-upregulated gene 1 (Tug1). Further, we have described a role for Tug1 in the regulation of mitochondrial function in podocytes. Using a murine model of diabetic nephropathy (DN), we performed an unbiased RNA-sequencing (RNA-seq) analysis of kidney glomeruli and identified Tug1 as a differentially expressed lncRNA in the diabetic milieu...
October 17, 2016: Journal of Clinical Investigation
Qiangfeng Wang, Huanxia Yang, Lingjiao Wu, Jian Yao, Xiaohua Meng, Han Jiang, Cheng Xiao, Fusheng Wu
BACKGROUND: In recent years, long non-coding RNAs (lncRNAs) have been shown to play a critical regulatory role in cancer biology. However, the contribution of lncRNAs to papillary thyroid cancer (PTC) remains largely unknown. METHODS: RNA sequencing and quantitative reverse transcription PCR (qRT-PCR) were used to detect and verify, respectively, changes to the transcriptomic profile in 12 PTC tissues compared to paired normal adjacent tissues. The statistical correlation between differentially expressed lncRNAs and clinicopathological characteristics was analysed, and potential lncRNA functions were predicted by examining annotations for the co-expressed mRNAs...
October 19, 2016: Thyroid: Official Journal of the American Thyroid Association
Madhavan Nair, Vidya Sagar, Sudheesh Pilakka-Kanthikeel
Interplay between lncRNAs and mRNAs is rapidly emerging as a key epigenetic mechanism in controlling various cell functions. HIV can actively infect and/or can persist latently for years by manipulating host epigenetics; however, its molecular essence remains undiscovered in entirety. Here for the first time, we delineate the influence of HIV on global lncRNAs expression in monocytic cells lines. Our analysis revealed the expression modulation of nearly 1060 such lncRNAs which are associated with differentially expressed mRNAs in active and latent infection...
October 19, 2016: Scientific Reports
Anna V Savelyeva, Dmitriy N Baryakin, Elena D Chikova, Elena V Kuligina, Vladimir A Richter, Dmitriy V Semenov
Human blood contains a great variety of membrane-covered RNA carrying vesicles which are spherical or tubular particles enclosed by a phospholipid bilayer. Circulating vesicles are thought to mediate cell-to-cell communication and their RNA cargo can act as regulatory molecules. In this work, we separated blood plasma of healthy donors by centrifugation and determined that vesicles precipitated at 16,000 g were enriched with CD41a, marker of platelets. At 160,000 g, the pellets were enriched with CD3 marker of T cells...
2016: Advances in Experimental Medicine and Biology
Hao Li, Jizong Zhao, Wen Wang, Lu Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
BACKGROUND: Intracranial aneurysm (IA) is a cerebrovascular disorder characterized by an abnormally bulged artery in the brain and subarachnoid hemorrhage caused by IA rupture with a high ratio of fatality and morbidity. However, the genetic etiology of IA remains largely unknown. MATERIALS AND METHODS: A dysregulated lncRNA-associated competing endogenous RNA (ceRNA) network was constructed by utilizing sample-matched microRNA (miRNA), long non-coding RNA (lncRNA) and mRNA expression profiles in 12 saccular IA samples and paired control arteries...
October 14, 2016: World Neurosurgery
Guoyun Zhang, Aiguo Duan, Jianguo Zhang, Caiyun He
Long non-coding RNAs (lncRNAs), which are >200nt longer transcripts, potentially play important roles in almost all biological processes in plants and mammals. However, the functions and profiles of lncRNAs in fruit is less understood. Therefore, it is urgent and necessary to identify and analyze the functions of lncRNAs in sea buckthorns. Using RNA-sequencing, we synthetically identified lncRNAs in mature fruit from the red and yellow sea buckthorn. We obtained 567,778,938 clean reads from six samples and identified 3428 lncRNAs in mature fruit, including 2498 intergenic lncRNAs, 593 anti-sense lncRNAs, and 337 intronic lncRNAs...
October 14, 2016: Gene
Shanshan Xu, Lanlan Dong, Yingying Shi, Liujun Chen, Peipei Yuan, Shuang Wang, Zhi Li, Yan Sun, Song Han, Jun Yin, Biwen Peng, Xiaohua He, Wanhong Liu
Human foamy virus (HFV) is a complex and unique retrovirus with the longest genomes among retroviruses used as vectors for gene therapy. Long non-coding RNAs (lncRNAs) are regarded as key regulators that involved in diverse biological processes during viral infection. However, the role of lncRNAs in HFV infection remains unknown. In this study, we utilized next-generation sequencing to first characterize lncRNAs in 293T cells after HFV infection, evaluating length distribution, exon number distribution, volcano picture and lncRNA class distribution...
October 18, 2016: AIDS Research and Human Retroviruses
Juan Xu, Yujia Qian, Min Ye, Ziyi Fu, Xuemei Jia, Wenqu Li, Pengfei Xu, Mingming Lv, Lei Huang, Luyu Wang, Hongjie Ruan, Juan Lv
Endometrial carcinoma (EC) is the most common malignancy in women. Dispite its prevalence, the prognosis of endometrial carcinoma still relies on conventional histological type, grade and invasion information. Its morbidity is still increasing and the outcome is very poor. To the best of our knowledge, hormonal imbalance and/or molecular genetic alterations are the main cause of EC. However, the alterations of lncRNAs which accounts for approximately 4/5 of human transcripts are still poorly understood. In the present study, using the RiboArray™ Custom Array, we studied the expression profiles of lncRNA in EC as compared to normal endometrium (NE) to find potential core lncRNAs for the diagnosis of EC...
October 14, 2016: Oncology Reports
Tian Lan, Lei Chang, Long Wu, Yufeng Yuan
Hepatocellular carcinoma (HCC) remains one of the most common types of cancer worldwide and prognosis remains poor. Previous studies have suggested that long non‑coding RNAs (lncRNAs) may be key regulators of tumor development and progression in HCC. It has been determined that 61‑72% of transcribed regions contain lncRNAs in the antisense orientation (aslncRNAs). However, the function of aslncRNAs in HCC remains to be elucidated. The present study investigated the function of the aslncRNA zinc finger E‑box binding homeobox 2 antisense RNA 1 (ZEB2‑AS1) in 40 HCC tissues and 5 different human HCC cell lines using reverse transcription‑quantitative polymerase chain reaction...
October 12, 2016: Molecular Medicine Reports
Dong Xue, Cuixing Zhou, Hao Lu, Renfang Xu, Xianlin Xu, Xiaozhou He
In prior research, evidence has been found for a relation between low exposure of long non-coding RNAs (lncRNAs) and prostate tumor genesis. This study aims to clarify the underlying mechanisms of lncRNA GAS5 in prostate cancer (PCa). In total, 118 pairs of PCa tissues and matched adjacent non-tumor tissues were collected. Additionally, lncRNA GAS5 exposure levels were determined using RT-PCR and in situ hybridization. In addition, dual-luciferase report assay was performed to verify the target effect of lncRNA GAS5 on miR-103...
October 14, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Jin-Hua He, Bao-Xia Li, Ze-Ping Han, Mao-Xian Zou, Li Wang, Yu-Bing Lv, Jia-Bin Zhou, Ming-Rong Cao, Yu-Guang Li, Jing-Zhi Zhang
Rapidly accumulated evidence has shown that long non-coding RNA (lncRNAs) disregulation is involved in human tumorigenesis in many cancers, including prostate cancer (PCa). LncRNAs can regulate essential pathways that contribute to tumor initiation and progression with tissue specificity, which suggests that lncRNAs could be valuable biomarkers and therapeutic targets. Prostate cancer antigen 3 (PCA3), also known as differential display code 3 (DD3), is one such lncRNA that maps to chromosome 9q21-22. PCA3 expression is highly specific to PCa...
October 14, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Wei Lan, Min Li, Kaijie Zhao, Jin Liu, Fang-Xiang Wu, Yi Pan, Jianxin Wang
MOTIVATION: Increasing evidences have demonstrated that long noncoding RNAs (lncRNAs) play important roles in many human diseases. Therefore, predicting novel lncRNA-disease associations would contribute to dissect the complex mechanisms of disease pathogenesis. Some computational methods have been developed to infer lncRNA-disease associations. However, most of these methods infer lncRNA-disease associations only based on single data resource. RESULTS: In this paper, we propose a new computational method to predict lncRNA-disease associations by integrating multiple biological data resources...
October 14, 2016: Bioinformatics
Juan Xu, ZiShan Wang, Shengli Li, Juan Chen, Jinwen Zhang, Chunjie Jiang, Zheng Zhao, Jing Li, Yongsheng Li, Xia Li
Although systematic genomic studies have identified a broad spectrum of non-coding RNAs (ncRNAs) that are involved in breast cancer, our understanding of the epigenetic dysregulation of those ncRNAs remains limited. Here, we systematically analysed the epigenetic alterations of microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) in two breast cancer subtypes (luminal and basal). Widespread epigenetic alterations of miRNAs and lncRNAs were observed in both cancer subtypes. In contrast to protein-coding genes, the majority of epigenetically dysregulated ncRNAs were shared between subtypes, but a subset of transcriptomic and corresponding epigenetic changes occurred in a subtype-specific manner...
October 14, 2016: Briefings in Bioinformatics
Zhen-Hua Chen, Wen-Tao Wang, Wei Huang, Ke Fang, Yu-Meng Sun, Shu-Rong Liu, Xue-Qun Luo, Yue-Qin Chen
Increasing evidence has indicated that long noncoding RNAs (lncRNAs) are of great importance in different cell contexts. However, only a very small number of lncRNAs have been experimentally validated and functionally annotated during human hematopoiesis. Here, we report an lncRNA, HOTAIRM1, which is associated with myeloid differentiation and has pivotal roles in the degradation of oncoprotein PML-RARA and in myeloid cell differentiation by regulating autophagy pathways. We first revealed that HOTAIRM1 has different variants that are expressed at different levels in cells and that the expression pattern of HOTAIRM1 is closely related to that of the PML-RARA oncoprotein in acute promyelocytic leukemia (APL) patients...
October 14, 2016: Cell Death and Differentiation
Ruth Ruiz Esparza-Garrido, Juan Manuel Rodríguez-Corona, Javier Enrique López-Aguilar, Marco Antonio Rodríguez-Florido, Ana Claudia Velázquez-Wong, Rubí Viedma-Rodríguez, Fabio Salamanca-Gómez, Miguel Ángel Velázquez-Flores
Expression changes for long non-coding RNAs (lncRNAs) have been identified in adult glioblastoma multiforme (GBM) and in a mixture of adult and pediatric astrocytoma. Since adult and pediatric astrocytomas are molecularly different, the mixture of both could mask specific features in each. We determined the global expression patterns of lncRNAs and messenger RNA (mRNAs) in pediatric astrocytoma of different histological grades. Transcript expression changes were determined with an HTA 2.0 array. lncRNA interactions with microRNAs and mRNAs were predicted by using an algorithm and the LncTar tool, respectively...
October 13, 2016: Molecular Neurobiology
Ga Won Yim, Hee Jung Kim, Lee Kyung Kim, Sang Wun Kim, Sunghoon Kim, Eun Ji Nam, Young Tae Kim
Purpose: The biological function of long non-coding RNAs (lncRNAs) is only partially understood; therefore, in this study, we investigated the expression of the novel HOXA11 antisense (HOXA11as) lncRNA and its oncogenic role in serous ovarian cancer (SOC). Materials and Methods: HOXA11as expression was examined in 129 serous ovarian cancer tissue samples by real time RT-PCR. Clinicopathological factors and patient survival were compared between the high (N = 27) and low HOXA11as expression group (N = 102)...
October 11, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
Ji Wang, Chenyang Ye, Hanchu Xiong, Yong Shen, Yi Lu, Jichun Zhou, Linbo Wang
Long non-coding RNAs (lncRNAs), which occupy nearly 98% of genome, have crucial roles in cancer development, including breast cancer. Breast cancer is a disease with high incidence. Despite of recent progress in understanding the molecular mechanisms and combined therapy strategies, the functions and mechanisms of lncRNAs in breast cancer remains unclear. This review presents the currently basic knowledge and research approaches of lncRNAs. We also highlight the latest advances of seven classic lncRNAs and three novel lncRNAs in breast cancer, elucidating their mechanisms and possible therapeutic targets...
October 8, 2016: Oncotarget
Xiangyang Miao, Qingmiao Luo, Huijing Zhao, Xiaoyu Qin
miRNAs and lncRNAs, which represent one of the most highly expressed classes of ncRNAs in development, are attracting increasing interest. A variety of regulators is considered to be implicated in sheep species with different fecundity. However, interactions between miRNAs and lncRNAs and changes in the expression of regulatory lncRNAs in sheep fecundity have not yet been reported. To characterize the important roles of miRNAs and lncRNAs and elucidate their regulating networks in sheep prolificacy, a genome-wide analysis of miRNAs and lncRNAs from Small Tail Han sheep of genotypes FecB(B)FecB(B) (Han BB) and FecB(+) FecB(+) (Han++) and from Dorset sheep (Dorset) was performed...
October 12, 2016: Scientific Reports
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