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long non coded rna

He Wang, Yanmei Chen, Xinzhong Li, Guojun Chen, Lintao Zhong, Gangbing Chen, Yulin Liao, Wangjun Liao, Jianping Bin
Alternative splicing (AS) drives determinative changes during mouse heart development. Recent high-throughput technological advancements have facilitated genome-wide AS, while its analysis in human foetal heart transition to the adult stage has not been reported. Here, we present a high-resolution global analysis of AS transitions between human foetal and adult hearts. RNA-sequencing data showed extensive AS transitions occurred between human foetal and adult hearts, and AS events occurred more frequently in protein-coding genes than in long non-coding RNA (lncRNA)...
October 18, 2016: Scientific Reports
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
Ting Ma, Rui-Ping Wang, Xi Zou
BACKGROUND: As a member of non-coding RNAs family, long non-coding RNAs' functions in cancer needs to be further investigated. It has been indicated that the functions of Hox transcript antisense intergenic RNA (lncRNA: HOTAIR) include reprogramming chromatin organization and promoting tumor metastasis such as breast and colorectal tumor. The aim of this study is to investigate the functions of Hox in gastric cancer. METHODS: In the present study, the expression level of HOTAIR was determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR), 20 gastric cancer tissues and 20 normal tissues was included...
September 30, 2016: BMC Complementary and Alternative Medicine
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
Yuan-Yuan Zhang, Si-Han Huang, Hua-Rong Zhou, Cong-Jie Chen, Li-Hong Tian, Jian-Zhen Shen
HOX antisense intergenic RNA (HOTAIR), a long non-coding RNA, plays an important role in the development of many types of cancers. Its function in acute leukemia (AL), however, has not been examined. The present study investigated the role of HOTAIR and its downstream genes in AL, and determined whether it could act as a molecular marker for prediction of leukemia development and prognosis. Real-time quantitative PCR was used to examine the expression of each gene in the HOTAIR signaling pathway in AL patients...
October 4, 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
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
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
Li-Min Xu, Lei Chen, Feng Li, Run Zhang, Zong-Yang Li, Fan-Fan Chen, Xiao-Dan Jiang
BACKGROUND: Gliomas are the most common type of primary brain tumour in the central nervous system of adults. The long non-coding RNA (lncRNA) HOXA transcript at the distal tip (HOTTIP) is transcribed from the 5' tip of the HOXA locus. HOTTIP has recently been shown to be dysregulated and play an important role in the progression of several cancers. However, little is known about whether and how HOTTIP regulates glioma development. METHODS: In this study, we assayed the expression of HOTTIP in glioma tissue samples and glioma cell lines using real-time polymerase chain reaction and defined the biological functions of HOTTIP using the CCK-8 assay, flow cytometry, terminal deoxynucleotidyl transferase dUTP nick end labelling (TUNEL assay) and tumour formation assay in a nude mouse model...
October 12, 2016: Journal of Experimental & Clinical Cancer Research: CR
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
Minjie Chu, Weiyan Yuan, Shuangshuang Wu, Zhiquan Wang, Liping Mao, Tian Tian, Yihua Lu, Bowen Zhu, Yue Yang, Bin Wang, Haiquan Gao, Liying Jiang, Xun Zhuang
H19 refers to a long non-coding RNA (lncRNA) that functions as an oncogenic molecule in different cancer cells. Genetic variants of H19 may affect the activity of certain regulatory factors, which subsequently regulate the aberrant expression of H19. This feedback loop might be one of the underlying mechanisms influencing tumour susceptibility and prognosis. Although there have been several recent studies that examined possible links between polymorphisms in H19 and cancer risk, the results have been inconclusive...
October 8, 2016: Oncotarget
Lei Liu, Xihe Zhao, Huawei Zou, Rubing Bai, Keyu Yang, Zhong Tian
Hypoxia-inducible factor (HIF) activates the transcription of genes involved in cancer progression. Recently, HIF was reported to regulate the transcription of non-coding RNAs. Here, we show that the transcription of a long non-coding RNA (lncRNA), Gastric Adenocarcinoma Associated, Positive CD44 Regulator, Long Intergenic Non-Coding RNA (GAPLINC), is directly activated by HIF-1α in gastric cancer (GC). GAPLINC was overexpressed in GC tissues and promoted tumor migration and invasive behavior. GAPLINC overexpression was associated with poor prognosis in GC patients...
2016: Frontiers in Physiology
Wu Ren, Jian Zhang, Wei Li, Zongcheng Li, Shuofeng Hu, Jian Suo, Xiaomin Ying
BACKGROUND Aberrant expression of long non-coding RNAs (lncRNAs) is associated with prognosis of gastric cancer, some of which could be further evaluated as potential biomarkers. In this study, we attempted to identify a specific lncRNA signature to predict the prognosis of gastric cancer. MATERIAL AND METHODS The genome-wide lncRNA expression in the high-throughput RNA-sequencing data was retrieved from the Cancer Genome Atlas (TCGA). Differential expression of lncRNAs was identified using the Limma package...
October 11, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Chaojing Lu, Lixin Yang, Hezhong Chen, Zhengxiang Shan
Currently, long non-coding RNAs (lncRNAs) have been shown to have critical regulatory roles in various cancers. However, its role in esophageal squamous cell carcinoma (ESCC) remains largely unknown. Here, we focused on lncRNA BC032469, one of the lncRNAs involved in the development of ESCC. The levels of a specific differentially expressed lncRNA (termed lncRNA-BC032469) were measured in 45 paired esophageal squamous cell carcinoma tissue samples by quantitative real-time RT-PCR and then subjected to correlation analysis with clinical parameters and prognosis...
October 10, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Magnolia Bostick, Nathalie Bolduc, Alisa Lehman, Andrew Farmer
Next-generation sequencing is empowering a deeper understanding of biology by enabling RNA expression analysis over the entire transcriptome with high sensitivity and a wide dynamic range. One powerful application within this field is stranded RNA sequencing (RNA-seq), which is necessary to distinguish overlapping genes and to conduct comprehensive annotation and quantification of long non-coding RNAs. Commonly used methods for generating strand-specific RNA-seq libraries are often complicated by protocols that require several rounds of enzymatic treatments and clean-up steps, making them time-intensive, insensitive, and unsuitable for processing several samples simultaneously...
October 10, 2016: Current Protocols in Molecular Biology
Furqan M Fazal, Howard Y Chang
In this issue, Xue et al. (2016) describe the secondary structure of the heart-specific long non-coding RNA Braveheart, leading to the discovery of a short, asymmetric G-rich loop that controls cardiac lineage commitment by interacting with the transcription factor CNBP.
October 6, 2016: Molecular Cell
Shou-Hua Wang, Fei Ma, Zhao-Hui Tang, Xiao-Cai Wu, Qiang Cai, Ming-Di Zhang, Ming-Zhe Weng, Di Zhou, Jian-Dong Wang, Zhi-Wei Quan
BACKGROUND: Long non-coding RNA (lncRNA) H19 has been reported to involve in many kinds of human cancers and functions as an oncogene. Our previous study found that H19 was over-expressed in gallbladder cancer (GBC) and was shown to promote tumor development in GBC. However, the competing endogenous RNA (ceRNA) regulatory network involving H19 in GBC progression has not been fully elucidated. We aim to detect the role of H19 as a ceRNA in GBC. METHODS AND RESULTS: In this study, the expression of H19 and miR-342-3p were analyzed in 35 GBC tissues and matched normal tissues by using quantitative polymerase chain reaction (qRT-PCR)...
October 3, 2016: Journal of Experimental & Clinical Cancer Research: CR
Perrine Rasschaert, Thomas Figueroa, Ginette Dambrine, Denis Rasschaert, Sylvie Laurent
Interplay between alternative splicing and the Microprocessor may have differential effects on the expression of intronic miRNAs organised into clusters. We used a viral model - the LAT long non-coding RNA (LAT lncRNA) of Marek's disease oncogenic herpesvirus (MDV-1), which has the mdv1-miR-M8-M6-M7-M10 cluster embedded in its first intron - to assess the impact of splicing modifications on the biogenesis of each of the miRNAs from the cluster. Drosha silencing and alternative splicing of an extended exon 2 of the LAT lncRNA from a newly identified 3' splice site (SS) at the end of the second miRNA of the cluster showed that mdv1-miR-M6 was a 5'-tailed mirtron...
October 7, 2016: RNA Biology
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