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long non-coding RNAs

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https://www.readbyqxmd.com/read/28742205/up-regulation-of-long-non-coding-rna-pcat-1-correlates-with-tumor-progression-and-poor-prognosis-in-gastric-cancer
#1
W-C Cui, Y-F Wu, H-M Qu
OBJECTIVE: Long non-coding RNAs (lncRNAs), emerging non-coding RNAs, have been proved to serve as a critical role in the proliferation, metastasis apoptosis of gastric cancer. However, the potential biological role PCAT-1 in gastric cancer (GC) remains undefined. The present study aimed to investigate the expression and clinical significance of PCAT-1 in GC. PATIENTS AND METHODS: The expression of PCAT-1 was detected with a quantitative Real-time PCR assay. The association between PCAT-1 expression and clinicopathological factors, as well as survival rates, was analyzed...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28738846/long-non-coding-rnas-as-novel-players-in-%C3%AE-cell-function-and-type-1-diabetes
#2
REVIEW
Aashiq H Mirza, Simranjeet Kaur, Flemming Pociot
BACKGROUND: Long non-coding RNAs (lncRNAs) are a sub-class within non-coding RNA repertoire that have emerged as crucial regulators of the gene expression in various pathophysiological conditions. lncRNAs display remarkable versatility and wield their functions through interactions with RNA, DNA, or proteins. Accumulating body of evidence based on multitude studies has highlighted the role of lncRNAs in many autoimmune and inflammatory diseases, including type 1 diabetes (T1D). This review highlights emerging roles of lncRNAs in immune and islet β cell function as well as some of the challenges and opportunities in understanding the pathogenesis of T1D and its complications...
July 24, 2017: Human Genomics
https://www.readbyqxmd.com/read/28738810/role-of-long-non-coding-rnas-in-glucose-metabolism-in-cancer
#3
REVIEW
Chunmei Fan, Yanyan Tang, Jinpeng Wang, Fang Xiong, Can Guo, Yumin Wang, Shanshan Zhang, Zhaojian Gong, Fang Wei, Liting Yang, Yi He, Ming Zhou, Xiaoling Li, Guiyuan Li, Wei Xiong, Zhaoyang Zeng
Long-noncoding RNAs (lncRNAs) are a group of transcripts that are longer than 200 nucleotides and do not code for proteins. However, this class of RNAs plays pivotal regulatory roles. The mechanism of their action is highly complex. Mounting evidence shows that lncRNAs can regulate cancer onset and progression in a variety of ways. They can not only regulate cancer cell proliferation, differentiation, invasion and metastasis, but can also regulate glucose metabolism in cancer cells through different ways, such as by directly regulating the glycolytic enzymes and glucose transporters (GLUTs), or indirectly modulating the signaling pathways...
July 24, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28736855/-lnc-ing-wnt-in-female-reproductive-cancers-therapeutic-potential-of-long-non-coding-rnas-in-wnt-signaling
#4
REVIEW
Mei S Ong, Wanpei Cai, Yi Yuan, Hin C Leong, Tuan Z Tan, Asad Mohammad, Ming L You, Frank Arfuso, Boon C Goh, Sudha Warrier, Gautam Sethi, Nicholas S Tolwinski, Peter E Lobie, Celestial T Yap, Shing C Hooi, Ruby Y Huang, Alan P Kumar
Recent discoveries in the non-coding genome have challenged the original central dogma of molecular biology; non-coding RNAs and related processes have been found to be important in regulating gene expression. MicroRNAs (miRNAs) and long non-coding RNAs (lncRNAs) are amongst some that have gained attention recently in human diseases, including cancer, with the involvement of many more ncRNAs waiting to be discovered. Non-coding RNAs (ncRNAs) are a group of ribonucleic acids transcribed from regions of the human genome, which do not become translated into proteins, despite having essential roles in cellular physiology...
July 24, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28732076/eincr1-is-an-egf-inducible-lincrna-overexpressed-in-lung-adenocarcinomas
#5
Karol Nowicki-Osuch, Yaoyong Li, Mairi Challinor, David T Gerrard, Neil A Hanley, Andrew D Sharrocks
Long non-coding RNAs are being increasingly recognised as important molecules involved in regulating a diverse array of biological functions. For example, many long non-coding RNAs have been associated with tumourigenesis and in this context their molecular functions often involves impacting on chromatin and transcriptional control processes. One important cellular control system that is often deregulated in cancer cells is the ERK MAP kinase pathway. Here we have investigated whether ERK pathway signaling in response to EGF stimulation, leads to changes in the production of long non-coding RNAs...
2017: PloS One
https://www.readbyqxmd.com/read/28731151/meg3-is-a-prognostic-factor-for-crc-and-promotes-chemosensitivity-by-enhancing-oxaliplatin-induced-cell-apoptosis
#6
Lixia Li, Jian Shang, Yupeng Zhang, Shi Liu, Yanan Peng, Zhou Zhou, Huaqing Pan, Xiaobing Wang, Lipng Chen, Qiu Zhao
A major reason for the failure of advanced colorectal cancer (CRC) treatment is the occurrence of chemoresistance to oxaliplatin-based chemotherapy. Recently, studies have shown that long non-coding RNAs (lncRNAs) play an important role in drug resistance. Using HiSeq sequencing methods, we identified that lncRNAs show differential expression levels in oxaliplatin-resistant (OxR) and non-resistant CRC patients. RT-qPCR was then performed in tissues and serum samples, and lncRNA MEG3 was verified to be downregulated in non-responding patients and to have considerable discriminating potential to identify responding patients from non-responding patients...
July 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28731138/upregulation-of-long-non-coding-rna-dq786243-promotes-the-progression-of-gastric-cancer
#7
Ting Shan, Juanyun Fan, Qin Zhao, Kaiyuan Deng, Jiazeng Xia
Long non‑coding RNAs (lncRNAs) have been identified as key regulatory factors in various biological processes. Their dysregulation has been observed in several types of human cancer, including gastric cancer (GC). The aim of the present study was to investigate the putative roles of the lncRNA DQ786243 in the progression of GC, as well as evaluate its diagnostic and therapeutic potential in GC. The expression of DQ786243 in 82 pairs of GC tissues and adjacent healthy tissues, as well as in three GC cell lines and a human normal gastric epithelial cell line, was assessed using reverse transcription‑quantitative polymerase chain reaction...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28731128/lncrna-expression-character-associated-with-ischemic-reperfusion-injury
#8
Xiaowei Wu, Hongyi Zhu, Suhua Zhu, Maojuan Hao, Qingping Li
Ischemic reperfusion injury (IRI) contributes to morbidity and mortality worldwide and results in a poor outcome for patients suffering from myocardial infarction. Ischemic post‑conditioning (IPostC), consisting of one or several brief periods of ischemia and reperfusion, generates powerful protection against IRI. The mechanism of IPostC initiation and development has previously been investigated, however still remains to be fully elucidated. Notably, long non‑coding (lnc) RNAs have previously been demonstrated to be important in cardiovascular diseases...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730777/long-non-coding-rna-xist-functions-as-an-oncogene-in-human-colorectal-cancer-by-targeting-mir-132-3p
#9
Hui Song, Ping He, Tiansong Shao, Yang Li, Jin Li, Yajing Zhang
PURPOSE: Colorectal cancer (CRC) is a frequent malignant tumor with high death rate and poor prognosis. Few reports have explored the association between CRC development and long non-coding (lnc) RNAs expression. This study focused on the important role of a novel lncRNA XIST in the development of CRC. METHODS: To investigate the function of long lncRNA XIST in CRC, its expression level was monitored in both CRC cells and 50 pairs of human CRC tissues and adjacent tissues by RT-qPCR...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28729919/toward-understanding-non-coding-rna-roles-in-intracranial-aneurysms-and-subarachnoid-hemorrhage
#10
Fengzhen Huang, Jiping Yi, Tieqiao Zhou, Xiaoxiang Gong, Hong Jiang, Xiaoxi Yao
Subarachnoid hemorrhage (SAH) is a common and frequently life-threatening cerebrovascular disease, which is mostly related with a ruptured intracranial aneurysm. Its complications include rebleeding, early brain injury, cerebral vasospasm, delayed cerebral ischemia, chronic hydrocephalus, and also non neurological problems. Non-coding RNAs (ncRNAs), comprising of microRNAs (miRNAs), small interfering RNAs (siRNAs) and long non-coding RNAs (lncRNAs), play an important role in intracranial aneurysms and SAH. Here, we review the non-coding RNAs expression profile and their related mechanisms in intracranial aneurysms and SAH...
2017: Translational Neuroscience
https://www.readbyqxmd.com/read/28728844/long-non-coding-rna-pcat7-regulates-elf2-signaling-through-inhibition-of-mir-134-5p-in-nasopharyngeal-carcinoma
#11
Yejun Liu, Zezhang Tao, Jining Qu, Xuhong Zhou, Chenghong Zhang
While some long noncoding RNAs (lncRNAs) might promote nasopharyngeal carcinoma (NPC) initiation and progression, the involved molecular mechanisms remain largely unclear. Here, we discovered the novel LncRNA, prostate cancer associated transcript 7 (PCAT7), which was overexpressed and associated with worse prognosis in NPC. Decreased PCAT7 expression was found to significantly suppress tumor cell proliferation in vitro, and inhibited tumor growth and reduced the expression of proliferation antigen Ki-67 in vivo...
July 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28724437/the-lncrna-casc15-regulates-sox4-expression-in-runx1-rearranged-acute-leukemia
#12
Thilini R Fernando, Jorge R Contreras, Matteo Zampini, Norma I Rodriguez-Malave, Michael O Alberti, Jaime Anguiano, Tiffany M Tran, Jayanth K Palanichamy, Jasmine Gajeton, Nolan M Ung, Cody J Aros, Ella V Waters, David Casero, Giuseppe Basso, Martina Pigazzi, Dinesh S Rao
BACKGROUND: Long non-coding RNAs (lncRNAs) play a variety of cellular roles, including regulation of transcription and translation, leading to alterations in gene expression. Some lncRNAs modulate the expression of chromosomally adjacent genes. Here, we assess the roles of the lncRNA CASC15 in regulation of a chromosomally nearby gene, SOX4, and its function in RUNX1/AML translocated leukemia. RESULTS: CASC15 is a conserved lncRNA that was upregulated in pediatric B-acute lymphoblastic leukemia (B-ALL) with t (12; 21) as well as pediatric acute myeloid leukemia (AML) with t (8; 21), both of which are associated with relatively better prognosis...
July 19, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28724410/identification-and-characterization-of-long-non-coding-rnas-in-subcutaneous-adipose-tissue-from-castrated-and-intact-full-sib-pair-huainan-male-pigs
#13
Jing Wang, Liushuai Hua, Junfeng Chen, Jiaqing Zhang, Xianxiao Bai, Binwen Gao, Congjun Li, Zhihai Shi, Weidong Sheng, Yuan Gao, Baosong Xing
BACKGROUND: Long non-coding RNAs (lncRNAs) regulate adipose tissue metabolism, however, their function on testosterone deficiency related obesity in humans is less understood. For this research, intact and castrated male pigs are the best model animal because of their similar proportional organ sizes, cardiovascular systems and metabolic features. RESULTS: We identified lncRNAs in subcutaneous adipose tissue by deep RNA-sequencing using the intact and castrated Huainan male pigs...
July 19, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28722665/mirna-and-lncrna-as-biomarkers-in-cholangiocarcinoma-cca
#14
REVIEW
Bo Zheng, Seogsong Jeong, Yanjing Zhu, Lei Chen, Qiang Xia
The microRNAs are a group of 20 nucleotides-long non-coding RNAs. By binding to the 3'UTR region of target mRNA, microRNAs can perform extensive actions mediating gene expression at post-trancriptional stages. It makes microRNAs serve as very crucial regulators in various biological progress including carcinogenesis. Long non-coding RNAs, however, are a subgroup of RNA with the length of 200 nucleotides. Unlike microRNAs, long non-coding RNAs can form secondary of tertiary domain based on their length. With the ability of directly interacting with DNA, RNA, protein, long non-coding RNAs have promoting or inhibitive functions in gene expression regulation...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721656/circrna-a-novel-type-of-biomarker-for-cancer
#15
REVIEW
He-da Zhang, Lin-Hong Jiang, Da-Wei Sun, Jun-Chen Hou, Zhen-Ling Ji
Circular RNAs (circRNAs) are a class of long, non-coding RNAs molecules that shape a covalently closed continuous loop which have no 5'-3' polarity and contain no polyA tail. CircRNAs also possess relatively jarless framework and are highly tissue-specific expressed in the eukaryotic transcriptome. Emerging evidences have discovered that thousands of endogenous circRNAs are present in mammalian cells and they mediate gene expression at the transcriptional or post-transcriptional level by binding to microRNAs or other molecules and then inhibit their function...
July 18, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28720546/the-lncrna-neat1-facilitates-cell-growth-and-invasion-via-the-mir-211-hmga2-axis-in-breast-cancer
#16
Xuerui Li, Shuxia Wang, Zhenzhong Li, Xiaoyu Long, Zibai Guo, Guochun Zhang, Jian Zu, Yu Chen, Linzhu Wen
Long non-coding RNAs play a significant role in cancer metastasis. Studies have demonstrated that LncRNA NEAT1 promotes cancer progression. We aimed to explore whether NEAT1 regulated growth and invasion in breast cancer cells. We provided evidence that lncRNA NEAT1 was up-regulated in breast cancer cell lines and tissues. NEAT1 promoted invasion through inducing Epithelial-mesenchymal transition (EMT) and NEAT1 played a role in 5-fluorouracil (5-FU) resistance. In addition, we revealed a reciprocal repression between NEAT1 and miR-211...
July 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28720069/long-non-coding-rna-spry4-it1-promotes-proliferation-and-invasion-by-acting-as-a-cerna-of-mir-101-3p-in-colorectal-cancer-cells
#17
Jianguang Jin, Zhijie Chu, Pengfei Ma, Yuanpu Meng, Yanhui Yang
Long non-coding RNAs are associated with a spectrum of biological processes such as gene regulation on transcriptional and post-transcriptional levels. Increasing evidence indicates that SPRY4-IT1 plays an important role in carcinogenesis, and the mechanisms whereby SPRY4-IT1 induces colorectal carcinoma progression remain largely unknown. The aim of this study is to evaluate the expression and function of SPRY4-IT1 in colorectal carcinoma. In this study, we analyzed SPRY4-IT1 expression levels in a series of colorectal carcinoma patients by quantitative reverse transcription polymerase chain reaction...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719640/short-lived-long-non-coding-rnas-as-surrogate-indicators-for-chemical-exposure-and-linc00152-and-malat1-modulate-their-neighboring-genes
#18
Hidenori Tani, Sayaka Okuda, Kaoru Nakamura, Motohide Aoki, Tomonari Umemura
Whole transcriptome analyses have revealed a large number of novel long non-coding RNAs (lncRNAs). Although accumulating evidence demonstrates that lncRNAs play important roles in regulating gene expression, the detailed mechanisms of action of most lncRNAs remain unclear. We previously reported that a novel class of lncRNAs with a short half-life (t1/2 < 4 h) in HeLa cells, termed short-lived non-coding transcripts (SLiTs), are closely associated with physiological and pathological functions. In this study, we focused on 26 SLiTs and nuclear-enriched abundant lncRNA, MALAT1(t1/2 of 7...
2017: PloS One
https://www.readbyqxmd.com/read/28719033/identification-of-driver-copy-number-alterations-in-diverse-cancer-types-and-application-in-drug-repositioning
#19
Wenbin Zhou, Zhangxiang Zhao, Ruiping Wang, Yue Han, Chengyu Wang, Fan Yang, Ya Han, Haihai Liang, Lishuang Qi, Chenguang Wang, Zheng Guo, Yunyan Gu
Results from numerous studies suggest an important role for somatic copy number alterations (SCNAs) in cancer progression. Our work aimed to identify the drivers (oncogenes or tumor suppressor genes) that reside in recurrently aberrant genomic regions, including a large number of genes or non-coding genes, which remain a challenge for decoding the SCNAs involved in carcinogenesis. Here, we propose a new approach to comprehensively identify drivers, using 8740 cancer samples involving 18 cancer types from The Cancer Genome Atlas (TCGA)...
July 18, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28717243/the-long-non-coding-rna-loc441204-enhances-cell-growth-in-human-glioma
#20
Tzu-Kang Lin, Chang-Nen Chang, Cheng-Shian Tsai, Yin-Cheng Huang, Yu-Jen Lu, Wei-Jan Chen, Yang-Hsiang Lin, I-Hsiao Chung, Kwang-Huei Lin
Glioma is the most common and aggressive type of brain tumor. While long non-coding RNAs (lncRNAs) are clearly more abundant in human brain than protein-coding genes, the specific roles of lncRNAs and mechanisms underlying their dysregulation in glioma remain unclear. Here, we focused on lncRNAs that are differentially expressed in brain tumor and their potential biological functions. LOC441204, a novel non-coding RNA gene displaying high expression in clinical specimens of brain tumor and significant upregulation in glioma cell lines in microarray analyses, was selected for further study...
July 17, 2017: Scientific Reports
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