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https://www.readbyqxmd.com/read/28580169/endogenous-mirna-sponge-lincrna-ror-promotes-proliferation-invasion-and-stem-cell-like-phenotype-of-pancreatic-cancer-cells
#1
Zhiqiang Fu, Guolin Li, Zhihua Li, Yingxue Wang, Yue Zhao, Shangyou Zheng, Huilin Ye, Yuming Luo, Xiaohui Zhao, Lusheng Wei, Yimin Liu, Qing Lin, Quanbo Zhou, Rufu Chen
The long intergenic non-coding RNA, regulator of reprogramming (linc-ROR) is an oncogene and plays a key role in the embryonic stem cell maintenance and is involved in cancer progression. The objective of this study was to analyze linc-ROR expression in pancreatic ductal adenocarcinoma (PDAC) and determine the regulation effects of linc-ROR on proliferation and invasion of cancer cells, as well as properties of cancer stem-like cells (CSLCs). In this study, we found that linc-ROR was up-regulated in PDAC tissues and related to poor prognosis...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28473307/the-rsvp-project-factors-related-to-disengagement-from-human-immunodeficiency-virus-care-among-persons-in-san-francisco
#2
Susan Scheer, Miao-Jung Chen, Maree Kay Parisi, Maya Yoshida-Cervantes, Erin Antunez, Viva Delgado, Nicholas J Moss, Kate Buchacz
BACKGROUND: In the United States, an estimated two-thirds of persons with human immunodeficiency virus (HIV) infection do not achieve viral suppression, including those who have never engaged in HIV care and others who do not stay engaged in care. Persons with an unsuppressed HIV viral load might experience poor clinical outcomes and transmit HIV. OBJECTIVE: The goal of the Re-engaging Surveillance-identified Viremic Persons (RSVP) project in San Francisco, CA, was to use routine HIV surveillance databases to identify, contact, interview, and reengage in HIV care persons who appeared to be out of care because their last HIV viral load was unsuppressed...
May 4, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28443494/expression-profiling-of-long-non-coding-rna-identifies-linc-ror-as-a-prognostic-biomarker-in-oral-cancer
#3
Ganesan Arunkumar, Arunagiri Kuha Deva Magendhra Rao, Mayakannan Manikandan, Kanagaraj Arun, Vilvanathan Vinothkumar, Sundaramoorthy Revathidevi, Kottayasamy Seenivasagam Rajkumar, Ramamurthy Rajaraman, Arasambattu Kannan Munirajan
Oral squamous cell carcinoma is the most aggressive cancer that is associated with high recurrence, metastasis, and poor treatment outcome. Dysregulation of long non-coding RNAs has been shown to promote tumor growth and metastasis in several cancers. In this study, we investigated the expression of 11 selected long non-coding RNAs that are associated with cell proliferation, metastasis, and tumor suppression in oral squamous cell carcinomas and normal tissues by quantitative real-time polymerase chain reaction...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28415684/the-long-noncoding-rna-linc-ned125-controls-the-expression-of-medulloblastoma-driver-genes-by-microrna-sponge-activity
#4
Pietro Laneve, Agnese Po, Annarita Favia, Ivano Legnini, Vincenzo Alfano, Jessica Rea, Valerio Di Carlo, Valeria Bevilacqua, Evelina Miele, Angela Mastronuzzi, Andrea Carai, Franco Locatelli, Irene Bozzoni, Elisabetta Ferretti, Elisa Caffarelli
Long noncoding RNAs (lncRNAs) are major regulators of physiological and disease-related gene expression, particularly in the central nervous system. Dysregulated lncRNA expression has been documented in several human cancers, and their tissue-specificity makes them attractive candidates as diagnostic/prognostic biomarkers and/or therapeutic agents. Here we show that linc-NeD125, which we previously characterized as a neuronal-induced lncRNA, is significantly overexpressed in Group 4 medulloblastomas (G4 MBs), the largest and least well characterized molecular MB subgroup...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28388536/long-noncoding-rna-ror-regulates-chemoresistance-in-docetaxel-resistant-lung-adenocarcinoma-cells-via-epithelial-mesenchymal-transition-pathway
#5
Yan Pan, Jing Chen, Leilei Tao, Kai Zhang, Rui Wang, Xiaoyuan Chu, Longbang Chen
Emerging evidence indicates that the dysregulation of long non-coding RNAs (lncRNAs) contributes to the development and progression of lung adenocarcinoma (LAD), however the underlying mechanism of action of lncRNAs remains unclear. It is well known that the effective treatment of cancers has been hindered by drug resistance in the clinical setting. Epithelial-mesenchymal transition (EMT) has been recognized to be involved in acquiring drug resistance, cell migration and invasion properties in several types of cancer...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28341660/the-noncoding-rna-linc-adamts5-cooperates-with-rreb1-to-protect-from-intervertebral-disc-degeneration-through-inhibiting-adamts5-expression
#6
Kun Wang, Yu Song, Wei Liu, Xinghuo Wu, Yukun Zhang, Shuai Li, Liang Kang, Ji Tu, Kangcheng Zhao, Wenbin Hua, Cao Yang
Previous studies have indicated the important roles of ADAMTS5 in intervertebral disc degeneration (IDD). However, the mechanisms that regulate ADAMTS5 expression in nuclear pulposus (NP) cells remain largely unknown. Evidence suggests that intergenic transcription may be associated with genes that encode transcriptional regulators. Here, we identified a long intergenic noncoding RNA, linc-ADAMTS5, which was transcribed in the opposite direction to ADAMTS5. In the present study, through mining computational algorithm programs, and publicly available data sets, we identified Ras-responsive element-binding protein 1 (RREB1) as a crucial transcription factor regulating the expression of ADAMTS5 in NP cells...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28338200/glioma-cells-promote-angiogenesis-through-the-release-of-exosomes-containing-long-non-coding-rna-pou3f3
#7
H-L Lang, G-W Hu, Y Chen, Y Liu, W Tu, Y-M Lu, L Wu, G-H Xu
OBJECTIVE: Angiogenesis is a key event in the progression of gliomas, and emerging evidence suggests that exosomes are signaling extracellular organelles that modulate the tumor microenvironment and promote angiogenesis and tumor progression. This study aimed to explore the mechanism by which glioma-derived exosomes affect angiogenesis. MATERIALS AND METHODS: qRT-PCR was used to determine the expression level of linc-POU3F3 in glioma tissue as well as glioma cell lines...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28260919/overexpression-of-the-long-non-coding-rna-linc-ubc1-is-associated-with-poor-prognosis-and-facilitates-cell-proliferation-migration-and-invasion-in-colorectal-cancer
#8
Xunfeng Gao, Jianfan Wen, Peng Gao, Guowei Zhang, Gangqing Zhang
Long non-coding RNAs (lncRNAs) serve comprehensive roles in various diseases, including cancer. lncRNA upregulated in bladder cancer 1 (linc-UBC1) is a notable biomarker of prognosis in certain cancer types; however, its involvement in the progression of colorectal cancer (CRC) remains unknown. The present study aimed to investigate the expression of linc-UBC1 in patients with CRC and to investigate its effect on CRC cells. The expression levels of linc-UBC1 were estimated by reverse transcription-quantitative polymerase chain reaction in clinical CRC specimens and matched adjacent non-tumor mucosa from 96 cases of CRC, as well as in a number of CRC cell lines...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28091529/long-non-coding-rna-linc-ram-enhances-myogenic-differentiation-by-interacting-with-myod
#9
Xiaohua Yu, Yong Zhang, Tingting Li, Zhao Ma, Haixue Jia, Qian Chen, Yixia Zhao, Lili Zhai, Ran Zhong, Changyin Li, Xiaoting Zou, Jiao Meng, Antony K Chen, Pier Lorenzo Puri, Meihong Chen, Dahai Zhu
Long non-coding RNAs (lncRNAs) are important regulators of diverse biological processes. Here we report on functional identification and characterization of a novel long intergenic non-coding RNA with MyoD-regulated and skeletal muscle-restricted expression that promotes the activation of the myogenic program, and is therefore termed Linc-RAM (Linc-RNA Activator of Myogenesis). Linc-RAM is transcribed from an intergenic region of myogenic cells and its expression is upregulated during myogenesis. Notably, in vivo functional studies show that Linc-RAM knockout mice display impaired muscle regeneration due to the differentiation defect of satellite cells...
January 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28057128/-expression-and-function-of-long-intergenic-non-protein-coding-rna-regulator-of-reprogramming-in-high-grade-ovarian-serous-cancer
#10
H H Jiang, Y H Lou, X Y Wang, Y Han, Z M Cui
Objective: To investigate the expression of long intergenic non-protein coding RNA-regulator of reprogramming (Linc-ROR) in high-grade ovarian serous cancer, and explore the relationship between Linc-ROR expression and biological function of high-grade ovarian serous cancer. Methods: A total of 34 high-grade ovarian serous cancer tissue samples and 19 normal fallopian tube tissue samples were collected between June 2014 and February 2016. Real-time reverse transcription (RT)-PCR was used to detect the Linc-ROR mRNA expression in different samples...
December 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27999969/functions-of-long-intergenic-non-coding-linc-rnas-in-plants
#11
REVIEW
Masashi Yamada
Whole transcriptome analyses in many organisms have revealed that most transcribed RNAs do not encode proteins. These non-coding RNAs likely contribute to the regulation of gene expression during the development of multicellular organisms. In eukaryotes, the roles of small RNAs, one class of non-coding RNAs, in transcriptional and post-transcriptional regulation have been well characterized. However, the functions of a second class of non-coding RNAs, long intergenic noncoding (linc) RNAs, are relatively unknown, especially in plants...
January 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/27872710/linc-ror-and-its-spliced-variants-2-and-4-are-significantly-up-regulated-in-esophageal-squamous-cell-carcinoma
#12
Reza Sahebi, Mahshid Malakootian, Baharak Balalaee, Alireza Shahryari, Masoud Khoshnia, Mohammad Reza Abbaszadegan, Abdolvahab Moradi, Seyed Javad Mowla
OBJECTIVES: Similar characteristics of molecular pathways between cellular reprogramming events and tumorigenesis have been accentuated in recent years. Reprogramming-related transcription factors, also known as Yamanaka factors (OCT4, SOX2, KLF4, and c-MYC), are also well-known oncogenes promoting cancer initiation, progression, and cellular transformation into cancer stem cells. Long non-coding RNAs (lncRNAs) are a major class of RNA molecules with emerging roles in stem cell pluripotency, cellular reprogramming, cellular transformation, and tumorigenesis...
October 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/27855392/the-emerging-roles-of-long-noncoding-rna-ror-lincrna-ror-and-its-possible-mechanisms-in-human-cancers
#13
REVIEW
Yan Pan, Chen Li, Jing Chen, Kai Zhang, Xiaoyuan Chu, Rui Wang, Longbang Chen
To date, there is only up to 2% of protein-coding genes that are stably transcribed, whereas the vast majority are non-coding RNAs (ncRNAs). These ncRNAs, also known as non-messenger RNAs (nmRNAs) or functional RNAs (fRNAs), include transfer RNAs, ribosomal RNAs, microRNAs and long non-coding RNAs (lncRNAs). With the advance of high-resolution microarrays and massively parallel sequencing technology, lncRNAs have gained extended attentions nowadays and are found to play important roles in tumorigenesis and progression of human cancers...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27785603/linc-ror-confers-gemcitabine-resistance-to-pancreatic-cancer-cells-via-inducing-autophagy-and-modulating-the-mir-124-ptbp1-pkm2-axis
#14
Chenggang Li, Zhiming Zhao, Zhipeng Zhou, Rong Liu
PURPOSE: In this study, we investigated the regulation of linc-ROR on autophagy and gemcitabine resistance of pancreatic cancer cells and further studied the underlying involvement of the miR-124/PTBP1/PKM2 axis in this regulation. METHODS: Pancreatic cancer cell lines PANC-1 and MIAPaCa-2 cells were used as in vitro model. Autophagy was assessed by western blot of LC3 I/II and observation GFP-LC3 puncta. Cell viability was examined using CCK-8 assay. Cell apoptosis was examined by flow cytometric analysis of Annexin V/PI staining...
December 2016: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/27773892/the-significance-of-low-levels-of-linc-rp1130-1-expression-in-human-hepatocellular-carcinoma
#15
Chaohui Xiao, Cheng Wang, Sijie Cheng, Chengcai Lai, Peirui Zhang, Zizheng Wang, Tao Zhang, Shaogeng Zhang, Rong Liu
Hepatocellular carcinoma (HCC) is the most common neoplasms. Little progress has been made in the diagnosis and treatment of HCC and its prognosis remains poor. Studies have increasingly found that long non-coding RNA (lncRNA) is involved in the regulation of the occurrence and development of HCC. To investigate the diagnostic and prognostic value of lncRNA in HCC, the current study examined 25 lncRNAs with differing levels of expression (according to the fold change) in microarray databases. Expression of LINC RP1130-1 was found to be markedly down-regulated in 51 HCC tissues compared to matching adjacent non-tumor liver tissues...
November 15, 2016: Bioscience Trends
https://www.readbyqxmd.com/read/27765630/long-non-coding-rna-linc-cdh4-2-inhibits-the-migration-and-invasion-of-hcc-cells-by-targeting-r-cadherin-pathway
#16
Yunzhen Gao, Gaoxiong Wang, Cuilin Zhang, Minjie Lin, Xiaolong Liu, Yongyi Zeng, Jingfeng Liu
Long non-coding RNAs (LncRNAs) have played very important roles in the malignancy behaviors of hepatocellular carcinoma (HCC). Linc-cdh4-2 (TCONS_00027978) is a novel LncRNA that has been identified in HCC tissues from our previous study. Overexpression of linc-cdh4-2 in HCC cell lines (SK-Hep-1 and Huh7) significantly decreases the migration and invasion abilities of these cells, while knockdown the expression of linc-cdh4-2 significantly increases the migration and invasion abilities. Interestingly, neither the over expression nor the knock down of linc-cdh4-2 could affect the viability and proliferation of HCC cells...
November 18, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27738870/differentially-expressed-long-non-coding-rnas-were-predicted-to-be-involved-in-the-control-of-signaling-pathways-in-pediatric-astrocytoma
#17
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
https://www.readbyqxmd.com/read/27708234/plasma-and-tumor-levels-of-linc-pint-are-diagnostic-and-prognostic-biomarkers-for-pancreatic-cancer
#18
Le Li, Guang-Quan Zhang, Hua Chen, Zhong-Jie Zhao, Hong-Ze Chen, Huan Liu, Gang Wang, Yue-Hui Jia, Shang-Ha Pan, Rui Kong, Yong-Wei Wang, Bei Sun
Long intergenic non-protein coding RNA, p53 induced transcript (Linc-pint) is a long noncoding RNA (lncRNA) that regulates tumor cell viability and proliferation. We used qRT-PCR and RNA FISH analysis to evaluate Linc-pint levels in the plasma and tumor tissues of pancreatic cancer (PCa) patients. Our data demonstrate that Linc-pint expression is lower in plasma samples from PCa patients than from healthy individuals, and indicate that plasma Linc-pint levels are more sensitive than CA19-9 for detecting PCa...
November 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27696511/the-long-non-coding-rna-ror-promotes-the-resistance-of-radiotherapy-for-human-colorectal-cancer-cells-by-targeting-the-p53-mir-145-pathway
#19
Pengxiang Yang, Yue Yang, Weiwei An, Jianyu Xu, Gan Zhang, Jing Jie, Qingyuan Zhang
BACKGROUND AND AIM: LincRNAs have critical roles in elevating efficacy of anticancer therapy and tumor progression. Recent studies show that long intergenic noncoding RNA-ROR (lincRNA-ROR) is aberrantly expressed in several types of cancer, including colorectal cancer (CRC). Radiotherapy is considered as a standard preoperative treatment. However, a considerable number of CRCs are resistant to radiotherapy. In this study, we evaluated the role of lincRNA-ROR in radiotherapy for CRC and detected the underlying molecular mechanism...
October 3, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27530814/analysis-of-post-traumatic-brain-injury-gene-expression-signature-reveals-tubulins-nfe2l2-nfkb-cd44-and-s100a4-as-treatment-targets
#20
Anssi Lipponen, Jussi Paananen, Noora Puhakka, Asla Pitkänen
We aimed to define the chronically altered gene expression signature of traumatic brain injury (TBI-sig) to discover novel treatments to reverse pathologic gene expression or reinforce the expression of recovery-related genes. Genome-wide RNA-sequencing was performed at 3 months post-TBI induced by lateral fluid-percussion injury in rats. We found 4964 regulated genes in the perilesional cortex and 1966 in the thalamus (FDR < 0.05). TBI-sig was used for a LINCS analysis which identified 11 compounds that showed a strong connectivity with the TBI-sig in neuronal cell lines...
2016: Scientific Reports
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