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Long noncoding rna

Jialei Hu, Zi Wang, Yujia Shan, Yue Pan, Jia Ma, Li Jia
Osteoarthritis (OA) is a chronic joint disease and hard to cure at present. Accumulating evidence suggests long noncoding RNA-HOTAIR (lncRNA-HOTAIR) plays important role in OA progression. However, the underlying molecular mechanism of HOTAIR in OA progression has not been well elucidated. In the present study, we identified that HOTAIR level was upregulated in OA cartilage tissues. High expression of HOTAIR was correlated with modified Mankin scale, extracellular matrix (ECM) degradation and chondrocytes apoptosis...
June 15, 2018: Cell Death & Disease
Qin He, Shuangyan Yang, Xiuge Gu, Mengying Li, Chunling Wang, Fulan Wei
Since publication of this article, the authors found a mistake in the drawing figure 5e. After careful checking of all original data, the authors discovered that they had submitted the wrong composite figure 5e. The correct Figure 5 is included below.
June 15, 2018: Cell Death & Disease
Zhongliang Zhao, Nevcin Sentürk, Chenlin Song, Ingrid Grummt
Attenuation of pre-rRNA synthesis in response to elevated temperature is accompanied by increased levels of PAPAS ("promoter and pre-rRNA antisense") , a long noncoding RNA (lncRNA) that is transcribed in an orientation antisense to pre-rRNA. Here we show that PAPAS interacts directly with DNA, forming a DNA-RNA triplex structure that tethers PAPAS to a stretch of purines within the enhancer region, thereby guiding associated CHD4/NuRD (nucleosome remodeling and deacetylation) to the rDNA promoter...
June 15, 2018: Genes & Development
Yuan Yuan, Gao Haiying, Li Zhuo, Lu Ying, He Xin
Non-small cell lung cancer (NSCLC) is one of leading causes of cancer-related death worldwide. Long noncoding RNAs (lncRNAs) has been identified to modulate the tumorigenesis of NSCLC. However, the precise molecular mechanism of lncRNAs in the course is still unclear. Results showed that LINC00339 was significantly up-regulated in NSCLC tissue and cells, which indicated the poor prognosis of NSCLC patients. Loss-of-function experiments showed that LINC00339 silencing inhibited the proliferation and invasion, accelerated the apoptosis, and suppressed the tumor growth of NSCLC cells in vitro and in vivo...
June 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Hongshun Xing, Shilei Wang, Quancai Li, Yongqian Ma, Peng Sun
Emerging evidence reveal that long noncoding RNAs (lncRNAs) participates in the epigenetic regulation of pathophysiological process. However, the deepgoing role of lncRNAs on meningioma is still unclear. In present study, we investigate the roles of lncRNA LINC00460 in meningeoma tissue and uncover its molecular mechanism. Results revealed that LINC00460 expression level was significantly up-regulated in meningeoma tissues and malignant meningeoma cell lines (IOMM-Lee, CH157-MN). Mechanically, loss-of-function assays showed that LINC00460 knockdown significantly suppressed the proliferation ability, increased the apoptosis and decreased the proteins (MMP-2, MMP-9, ZEB1) expression...
June 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Xiaoqian Wang, Bing Yang, Yuanping She, Yuan Ye
Ovarian cancer is one of the most common gynecologic malignancy with poor prognosis. Recently, long noncoding RNAs (lncRNAs) have been identified as key regulators in cancer development. The current study investigated the role of lncRNA P73 antisense RNA 1T (TP73-AS1) in ovarian cancer. Quantitative real-time polymerase chain reaction determined the expression levels of TP-73AS1, matrix metallopeptidases (MMPs) messenger RNA. Cell proliferative ability, cell invasion, and migration were CCK-8 and colony formation, and transwell invasion and migration assays, respectively...
June 15, 2018: Journal of Cellular Biochemistry
Rong Chen, Shiying Chen, Tingxing Zhang, Jiabing Lin, Chunyu Wan, Zhou Chen, Huangyuan Li, Yan Ding, Siying Wu
OBJECTIVE: To understand the main environmental factors of hypertension, and to explore the relationship between hypertension and leukocyte long noncoding RNA. METHODS: A case-control study was conducted in a hospital in Fuzhou City by using stratified random sampling method between Nov. 2014 and Jun. 2015 including 382 essential hypertension patients and 382 control subjects. The related surveys included questionnaire investigation, physical examination and laboratory detection...
November 2017: Wei Sheng Yan Jiu, Journal of Hygiene Research
Xiaohui Xu, Congmin Ma, Chao Liu, Zhihui Duan, Li Zhang
Atherosclerosis remains to be one of the most common vascular disorders resulting in morbidity and mortality in the world. Recent studies suggested that endothelial cells (ECs) injury caused by oxidative low-density lipoprotein (ox-LDL) is an early marker for atherosclerosis. Nevertheless, the mechanisms of ox-LDL-induced ECs injury are complicated and largely unknown. Here, we found lncRNA XIST (X-inactive specific transcript) was upregulated in human umbilical vein endothelial cells (HUVECs) stimulated by ox-LDL...
June 11, 2018: Biochemical and Biophysical Research Communications
Zhigang Qu, Zhe Quan, Qi Zhang, Zhenyu Wang, Qingxu Song, Xinming Zhuang, Changfeng Fu, Feng Xu, Yadong Liu, Yuanyi Wang, Zheng Wang, Yi Liu
The present study aimed to identify novel intervertebral disc degeneration (IDD)‑associated long noncoding (lnc)RNAs and genes. The lncRNA and mRNA microarray dataset GSE56081 was downloaded from the Gene Expression Omnibus database and included 5 samples from patients with degenerative lumbar nucleus pulposus and 5 normal controls. Differentially expressed lncRNAs or differentially expressed genes (DEGs) were identified and co‑expression network analysis was performed followed by functional analysis for genes in the network...
June 5, 2018: Molecular Medicine Reports
Rongrui Li, Shichen Liu, Yao Li, Qingxi Tang, Yunchuan Xie, Raosheng Zhai
Long noncoding RNA AFAP1‑AS1 has been shown to promote tumor progression in several human cancer types, such as thyroid cancer, tongue squamous cell carcinoma and lung cancer. However, the role of AFAP1‑AS1 in osteosarcoma (OS) has not been investigated. In the present study, the expression of AFAP1‑AS1 was significantly upregulated in OS tissues and cell lines. Moreover, AFAP1‑AS1 expression was negatively correlated with OS patient prognosis. Besides, AFAP1‑AS1 knockdown significantly inhibited the proliferation and invasion of OS cells in vitro...
June 5, 2018: Molecular Medicine Reports
Hongyue Zhang, Ying Liu, Lixin Yan, Min Zhang, Xiufeng Yu, Wei Du, Siqi Wang, Qiaozhi Li, He Chen, Yafeng Zhang, Hanliang Sun, Zhidong Tang, Daling Zhu
Many long noncoding RNAs (lncRNAs) have been identified as powerful regulators of lung adenocarcinoma (LAD). However, the role of HOXA-AS3, a novel lncRNA, in LAD is largely unknown. In this study, we showed that HOXA-AS3 was significantly upregulated in LAD tissues and A549 cells. After knockdown of HOXA-AS3, cell proliferation, migration, and invasion were inhibited. Xenografts derived from A549 cells transfected with shRNA/HOXA-AS3 had significantly lower tumor weights and smaller tumor volumes. We also demonstrated that HOXA-AS3 increased HOXA6 mRNA stability by forming an RNA duplex...
June 13, 2018: Cell Death & Disease
Miguel Hueso, Josep M Cruzado, Joan Torras, Estanislao Navarro
Atherosclerosis (ATH) and coronary artery disease (CAD) are chronic inflammatory diseases with an important genetic background; they derive from the cumulative effect of multiple common risk alleles, most of which are located in genomic noncoding regions. These complex diseases behave as nonlinear dynamical systems that show a high dependence on their initial conditions; thus, long-term predictions of disease progression are unreliable. One likely possibility is that the nonlinear nature of ATH could be dependent on nonlinear correlations in the structure of the human genome...
June 12, 2018: International Journal of Molecular Sciences
Lei Wang, Sara J Felts, Virginia P Van Keulen, Adam D Scheid, Matthew S Block, Svetomir N Markovic, Larry R Pease, Yuji Zhang
Genome-wide identification and characterization of long non-coding RNAs (lncRNAs) in individual immune cell lineages helps us better understand the driving mechanisms behind melanoma and advance personalized patient treatment. To elucidate the transcriptional landscape in diverse immune cell types of peripheral blood cells (PBC) in stage IV melanoma, we used whole transcriptome RNA sequencing to profile lncRNAs in CD4+, CD8+, and CD14+ PBC from 132 patient samples. Our integrative computational approach identified 27,625 expressed lncRNAs, 2,744 of which were novel...
June 12, 2018: Cancer Research
Xiaoru Xin, Mengying Wu, Qiuyu Meng, Chen Wang, Yanan Lu, Yuxin Yang, Xiaonan Li, Qidi Zheng, Hu Pu, Xin Gui, Tianming Li, Jiao Li, Song Jia, Dongdong Lu
BACKGROUND: Long noncoding RNA HULC is highly up-regulation in human hepatocellular carcinoma (HCC). However, the functions of HULC in hepatocarcinogenesis remains unclear. METHODS: RT-PCR, Western blotting, Chromatin immunoprecipitation (CHIP) assay, RNA Immunoprecipitation (RIP) and tumorignesis test in vitro and in vivo were performed. RESULTS: HULC is negatively associated with expression of PTEN or miR15a in patients of human liver cancer...
June 12, 2018: Molecular Cancer
Lei Liu, Xinlu Pang, Wenjin Shang, Hongchang Xie, Yonghua Feng, Guiwen Feng
Although the use of sorafenib appears to increase the survival rate of renal cell carcinoma (RCC) patients, there is also a proportion of patients who exhibit a poor primary response to sorafenib treatment. Therefore, it is critical to elucidate the mechanisms underlying sorafenib resistance and find representative biomarkers for sorafenib treatment in RCC patients. Herein, we identified that a long noncoding RNA GAS5 was downregulated in sorafenib nonresponsive RCCs. GAS5 overexpression conferred sorafenib sensitive to nonresponsive RCC cells, whereas knockdown of GAS5 promoted responsive RCC cells resistant to sorafenib treatment in vitro and in vivo...
June 12, 2018: Cell Cycle
Jiaoying Jia, Mingming Zhang, Qi Li, Qian Zhou, Yugang Jiang
Long noncoding RNAs (lncRNAs) have emerged as an important class of molecules that have been associated with brain function and neurological disease, but the expression profiles of lncRNAs after intracerebral hemorrhage (ICH) remain to be elucidated. In this study, we determined the expression pattern of nuclear factor-k-gene binding (NF-kB) interacting lncRNA (NKILA) after ICH and examined its respective effects on the endoplasmic reticulum stress (ERS)/autophagy pathway, hippocampal neuron loss, and the NF-kB pathway after type VII collagenase-induced ICH in rats...
June 12, 2018: Journal of Cellular Physiology
Xiaxia Wang, Chunming Yong, Kai Yu, Renchao Yu, Rui Zhang, Lingfan Yu, Shan Li, Shanglang Cai
BACKGROUND Abnormally expressed long noncoding RNAs (lncRNAs) are recognized as one of the key causes of cardiac diseases. However, the role of lncRNA in cardiac fibrosis remains largely unknown. MATERIAL AND METHODS The experiment was divided into 4 groups: a sham operation group, a myocardial infarction (MI) group, a lentivirus group (LV-si-n379519), and a lentivirus control (LV-NC) group. The adenovirus expression vectors LV-si-n379519 and LV-NC were constructed and transfected into mice. Echocardiography, HE staining, and Masson staining were performed to detect the heart function and collagen volume fraction in each group...
June 11, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Jianming Tang, Guansheng Zhong, Jianhui Wu, Haiyan Chen, Yongshi Jia
Increasing evidences have shown that long noncoding RNAs (lncRNAs) play critical regulatory roles in cancer biology. However, the contributions of lncRNAs to colorectal cancer remain largely unknown. Here, we identify a lncRNA AFAP1-AS1 that facilitates colorectal cancer, where it is upregulated. AFAP1-AS1 expression was associated with colorectal cancer patient survival. AFAP1-AS1 knockdown inhibited cell proliferation, cell cycle, and tumorigenesis in an subcutaneous mouse xenograft model system. Further data demonstrated that AFAP1-AS1 was associated with enhancer of zeste homolog 2 (EZH2) and that this association was required for the repression of EZH2 target genes...
2018: American Journal of Cancer Research
Jian Zhang, Liming Yu, Yinli Xu, Yu Liu, Zhi Li, Xiaodong Xue, Song Wan, Huishan Wang
BACKGROUND: Myocardial infarction (MI) is one of the most common causes of cardiac morbidity and mortality. Many evidences suggest that hypothermia have a more pronounced impact as an adjunctive therapy for MI to reduce infarct size. However, the function of long non-coding RNAs (lncRNA) in therapeutic hypothermia for MI remains poorly understood. METHODS: In this study, we investigated the expression of lncRNA-UIHTC (upregulated in hypothermia treated cardiomyocytes, NONHSAT094064) in ischemic heart tissues...
September 1, 2018: International Journal of Cardiology
Benjamin Kleaveland, Charlie Y Shi, Joanna Stefano, David P Bartel
Noncoding RNAs (ncRNAs) play increasingly appreciated gene-regulatory roles. Here, we describe a regulatory network centered on four ncRNAs-a long ncRNA, a circular RNA, and two microRNAs-using gene editing in mice to probe the molecular consequences of disrupting key components of this network. The long ncRNA Cyrano uses an extensively paired site to miR-7 to trigger destruction of this microRNA. Cyrano-directed miR-7 degradation is much more effective than previously described examples of target-directed microRNA degradation, which come primarily from studies of artificial and viral RNAs...
June 4, 2018: Cell
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