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https://www.readbyqxmd.com/read/28230721/the-interplay-of-lncrna-h19-and-its-binding-partners-in-physiological-process-and-gastric-carcinogenesis
#1
REVIEW
Li Zhang, Yuhang Zhou, Tingting Huang, Alfred S L Cheng, Jun Yu, Wei Kang, Ka Fai To
Long non-coding RNA (lncRNA), a novel and effective modulator in carcinogenesis, has become a study hotspot in recent years. The imprinted oncofetal lncRNA H19 is one of the first identified imprinted lncRNAs with a high expression level in embryogenesis but is barely detectable in most tissues after birth. Aberrant alterations of H19 expression have been demonstrated in various tumors, including gastric cancer (GC), implicating a crucial role of H19 in cancer progression. As one of the top malignancies in the world, GC has already become a serious concern to public health with poor prognosis...
February 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28225893/lncrna-snhg12-promotes-cell-growth-and-inhibits-cell-apoptosis-in-colorectal-cancer-cells
#2
J Z Wang, C L Xu, H Wu, S J Shen
Several long non-coding RNA (lncRNA) might be correlated with the prognosis of colorectal cancer (CRC) and serve as a diagnostic and prognostic biomarker. However, the exact expression pattern of small nucleolar RNA host gene 12 (SNHG12) in colorectal cancer and its clinical significance remains unclear. The level of SNHG12 was detected by qRT-PCR in CRC tissues and CRC cells. MTT assay and colony formation assay were performed to examine the cell proliferation of CRC cells transfected with pcDNA-SNHG12 or si-SNHG12...
February 20, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225791/characterization-of-long-noncoding-rna-and-messenger-rna-signatures-in-melanoma-tumorigenesis-and-metastasis
#3
Siqi Wang, Wenliang Fan, Bing Wan, Mengqi Tu, Feng Jin, Fang Liu, Haibo Xu, Ping Han
The incidence of melanoma, the most aggressive and life-threatening form of skin cancer, has significantly risen over recent decades. Therefore, it is essential to identify the mechanisms that underlie melanoma tumorigenesis and metastasis and to explore novel and effective melanoma treatment strategies. Accumulating evidence s uggests that aberrantly expressed long noncoding RNAs (lncRNAs) have vital functions in multiple cancers. However, lncRNA functions in melanoma tumorigenesis and metastasis remain unclear...
2017: PloS One
https://www.readbyqxmd.com/read/28220683/analysis-of-distinct-long-noncoding-rna-transcriptional-fingerprints-in-pancreatic-ductal-adenocarcinoma
#4
Xiang Yu, Yang Lin, Wu Sui, Yanfen Zou, Zhongchuan Lv
Pancreatic ductal adenocarcinoma (PDAC) is one of the most aggressive and lethal malignancies with the worst prognosis. Recent studies have demonstrated that long noncoding RNAs (lncRNAs) play critical roles in tumorigenesis and cancer progression. However, the expression pattern and roles of lncRNAs in the development of PDAC remain unknown. Herein, we globally analyzed the lncRNA expression profile in human PDAC and non-tumor tissues using four independent public microarray datasets from Gene Expression Omnibus (GEO)...
February 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28218907/the-link-a-lncrna-interacts-with-ptdins-3-4-5-p3-to%C3%A2-hyperactivate-akt%C3%A2-and-confer-resistance-to-akt%C3%A2-inhibitors
#5
Aifu Lin, Qingsong Hu, Chunlai Li, Zhen Xing, Guolin Ma, Cheng Wang, Jun Li, Yin Ye, Jun Yao, Ke Liang, Shouyu Wang, Peter K Park, Jeffrey R Marks, Yan Zhou, Jianwei Zhou, Mien-Chie Hung, Han Liang, Zhibin Hu, Hongbing Shen, David H Hawke, Leng Han, Yubin Zhou, Chunru Lin, Liuqing Yang
Phosphatidylinositol-3,4,5-trisphosphate (PtdIns(3,4,5)P3 or PIP3) mediates signalling pathways as a second messenger in response to extracellular signals. Although primordial functions of phospholipids and RNAs have been hypothesized in the 'RNA world', physiological RNA-phospholipid interactions and their involvement in essential cellular processes have remained a mystery. We explicate the contribution of lipid-binding long non-coding RNAs (lncRNAs) in cancer cells. Among them, long intergenic non-coding RNA for kinase activation (LINK-A) directly interacts with the AKT pleckstrin homology domain and PIP3 at the single-nucleotide level, facilitating AKT-PIP3 interaction and consequent enzymatic activation...
February 20, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28216611/long-non-coding-rna-reprogramming-ror-promotes-cell-proliferation-in-colorectal-cancer-via-affecting-p53
#6
Hong Li, Xiumei Jiang, Xuemei Niu
BACKGROUND Colorectal cancer (CRC) remains one of the most common lethal malignant tumors worldwide. The correlation between lncRNAs expression and CRC development has not been well identified in the recent literature. This study focused on the role of lncRNA-ROR on CRC progression and development. MATERIAL AND METHODS Quantitative real-time PCR (qRT-PCR) assay was conducted to identify the expression level of lncRNA-ROR. Cell proliferation and viability were examined by MTT assay and colony formation assay...
February 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28214867/the-novel-long-noncoding-rna-tusc7-inhibits-proliferation-by-sponging-mir-211-in-colorectal-cancer
#7
Jian Xu, Rui Zhang, Jian Zhao
BACKGROUND/AIMS: The novel long noncoding RNA (lncRNA) tumor suppressor candidate 7 (TUSC7) has been reported as a potential tumor suppressor, while the functional role of TUSC7 is still unknown in colorectal cancer (CRC). Here, we characterized TUSC7 expression profile in CRC patients and investigated its biological function and potential molecular mechanism. METHODS: RNA isolation, qRT-PCR, cell counter kit-8 assay, cell cycle assay, EdU assay, and western blot were performed...
February 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214253/long-noncoding-rna-linc00673-is-activated-by-sp1-and-exerts-oncogenic-properties-by-interacting-with-lsd1-and-ezh2-in-gastric-cancer
#8
Mingde Huang, Jiakai Hou, Yunfei Wang, Min Xie, Chenchen Wei, Fengqi Nie, Zhaoxia Wang, Ming Sun
Long noncoding RNAs (lncRNAs) have emerged as important regulators in a variety of human diseases, including cancers. However, the biological function of these molecules and the mechanisms responsible for their alteration in gastric cancer (GC) are not fully understood. In this study, we found that lncRNA LINC00673 is significantly upregulated in gastric cancer. Knockdown of LINC00673 inhibited cell proliferation and invasion and induced cell apoptosis, whereas LINC00673 overexpression had the opposite effect...
February 14, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28211799/increased-expression-of-long-non-coding-rna-glidr-in-prostate-cancer
#9
Yingyi Zhang, Zhe Kong, Yalong Zhang, Wenhua Huang, Hai Wu, Xuechao Wan, Yao Li
Prostate cancer (PCa) was one of the most common cancers in males in China. Long non-coding RNAs (lncRNA), a class of non-coding RNAs with more than 200 nucleotides, played key roles in the progression of prostate cancer. GLIDR, a novel long intergenic ncRNA, was found to be upregulated in tumors compared to normal tissues by using publically databases. In the clinical validation cohort, our results showed GLIDR was significantly up-regulated in prostate cancer samples and cell lines. To explore the potential functions of the GLIDR, we constructed gene co-expression networks and applied GO analysis...
February 3, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28209205/long-noncoding-agap2-as1-is-activated-by-sp1-and-promotes-cell-proliferation-and-invasion-in-gastric-cancer
#10
Fuzhen Qi, Xianghua Liu, Hao Wu, Xiang Yu, Chenchen Wei, Xiaodan Huang, Guozhong Ji, Fengqi Nie, Keming Wang
BACKGROUND: Long noncoding RNAs (lncRNAs) have emerged as important regulators of tumorigenesis and cancer progression. Recently, the lncRNA AGAP2-AS1 was identified as an oncogenic lncRNA in human non-small cell lung cancer (NSCLC) and its elevated expression was linked to NSCLC development and progression. However, the expression pattern and molecular mechanism of AGAP2-AS1 in gastric cancer (GC) have not been characterized. METHODS: Bioinformatic analysis was performed to determine AGAP2-AS1 expression levels in the GC and normal tissues using gene profiling data from the Gene Expression Omnibus...
February 16, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28209170/lincrnafezf1-as1-represses-p21-expression-to-promote-gastric-cancer-proliferation-through-lsd1-mediated-h3k4me2-demethylation
#11
Yan-Wen Liu, Rui Xia, Kai Lu, Min Xie, Fen Yang, Ming Sun, Wei De, Cailian Wang, Guozhong Ji
BACKGROUND: Although the prognosis of gastric cancer patients have a favorable progression, there are some patients with unusual patterns of locoregional and systemic recurrence. Therefore, a better understanding of early molecular events of the disease is needed. Current evidences demonstrate that long noncoding RNAs (lncRNAs) may be an important class of functional regulators involved in human gastric cancers development. Our previous studies suggest that HOTAIR contributes to gastric cancer development, and the overexpression of HOTAIR predicts a poor prognosis...
February 16, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28199978/down-regulation-of-lncrna-casc2-promotes-cell-proliferation-and-metastasis-of-bladder-cancer-by-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#12
Zhijun Pei, Xian Du, Yafeng Song, Lin Fan, Fuyan Li, Yan Gao, Ruimin Wu, Yijia Chen, Wei Li, Hong Zhou, Yi Yang, Jing Zeng
Long noncoding RNAs cancer susceptibility candidate 2 (CASC2) have been demonstrated as playing crucial regulatory roles in a few of cancers. However, the biological function of lncRNA CASC2 in bladder cancer are still unclear. In this study, we found that lncRNA CASC2 was significantly down-regulated in bladder cancer tissues and cell lines by quantitative real time-PCR and associated with advanced TNM stage (III/IV). Moreover, overexpression of lncRNA CASC2 remarkably reduced the cell growth, migration and invasion, as well as promoted early apoptosis of bladder cancer cell in vitro...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28198463/overexpression-of-fam83h-as1-indicates-poor-patient-survival-and-knockdown-impairs-cell-proliferation-and-invasion-via-met-egfr-signaling-in-lung-cancer
#13
Jie Zhang, Shumei Feng, Wenmei Su, Shengbin Bai, Lei Xiao, Lihui Wang, Dafydd G Thomas, Jules Lin, Rishindra M Reddy, Philip W Carrott, William R Lynch, Andrew C Chang, David G Beer, You-Min Guo, Guoan Chen
Whole transcriptome analyses of next generation RNA sequencing (RNA-Seq) data from human cancer samples reveled thousands of uncharacterized non-coding RNAs including long non-coding RNA (lncRNA). Recent studies indicated that lncRNAs are emerging as crucial regulators in cancer processes and potentially useful as biomarkers for cancer diagnosis and prognosis. To delineate dysregulated lncRNAs in lung cancer, we analyzed RNA-Seq data from 461 lung adenocarcinomas (LUAD) and 156 normal lung tissues. FAM83H-AS1, one of the top dysregulated lncRNAs, was found to be overexpressed in tumors relative to normal lung and significantly associated with worse patient survival in LUAD...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194033/integrative-analyses-of-transcriptome-sequencing-identify-novel-functional-lncrnas-in-esophageal-squamous-cell-carcinoma
#14
C-Q Li, G-W Huang, Z-Y Wu, Y-J Xu, X-C Li, Y-J Xue, Y Zhu, J-M Zhao, M Li, J Zhang, J-Y Wu, F Lei, Q-Y Wang, S Li, C-P Zheng, B Ai, Z-D Tang, C-C Feng, L-D Liao, S-H Wang, J-H Shen, Y-J Liu, X-F Bai, J-Z He, H-H Cao, B-L Wu, M-R Wang, D-C Lin, H P Koeffler, L-D Wang, X Li, E-M Li, L-Y Xu
Long non-coding RNAs (lncRNAs) have a critical role in cancer initiation and progression, and thus may mediate oncogenic or tumor suppressing effects, as well as be a new class of cancer therapeutic targets. We performed high-throughput sequencing of RNA (RNA-seq) to investigate the expression level of lncRNAs and protein-coding genes in 30 esophageal samples, comprised of 15 esophageal squamous cell carcinoma (ESCC) samples and their 15 paired non-tumor tissues. We further developed an integrative bioinformatics method, denoted URW-LPE, to identify key functional lncRNAs that regulate expression of downstream protein-coding genes in ESCC...
February 13, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28193769/long-noncoding-rnas-at-the-intersection-of-cancer-and-chromatin-biology
#15
Adam M Schmitt, Howard Y Chang
Although only 2% of the genome encodes protein, RNA is transcribed from the majority of the genetic sequence, suggesting a massive degree of cellular functionality is programmed in the noncoding genome. The mammalian genome contains tens of thousands of long noncoding RNAs (lncRNAs), many of which occur at disease-associated loci or are specifically expressed in cancer. Although the vast majority of lncRNAs have no known function, recurring molecular mechanisms for lncRNAs are now being observed in chromatin regulation and cancer pathways and emerging technologies are now providing tools to interrogate lncRNA molecular interactions and determine function of these abundant cellular macromolecules...
February 13, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28188414/a-potential-panel-of-four-long-noncoding-rna-signature-in-prostate-cancer-predicts-biochemical-recurrence-free-survival-and-disease-free-survival
#16
Tian-Bao Huang, Chuan-Peng Dong, Guang-Chen Zhou, Sheng-Ming Lu, Yang Luan, Xiao Gu, Lei Liu, Xue-Fei Ding
PURPOSES: Growing evidences showed that lncRNAs abnormally expressed in cancer tissues and played irreplaceable roles in tumorigenesis, progression and metastasis. In present study, we aimed to identify lncRNA expression signature that can predict biochemical recurrence-free (BCR-free) survival of prostate cancer (PCa) patients. METHODS: A total of 291 patients with pathologic confirmed PCa in The Cancer Genome Atlas dataset were recruited and included. With the specific risk score formula, patients were further classified into high-risk group and low-risk group...
February 10, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28187755/long-noncoding-rna-papillary-thyroid-carcinoma-susceptibility-candidate-3-ptcsc3-inhibits-proliferation-and-invasion-of-glioma-cells-by-suppressing-the-wnt-%C3%AE-catenin-signaling-pathway
#17
Shujun Xia, Ri Ji, Weiwei Zhan
BACKGROUND: The dysregulation of long noncoding RNAs (lncRNAs) has been identified in a variety of cancers. An increasing number of studies have found the critical role of lncRNAs in the regulation of cellular processes, such as proliferation, invasion and differentiation. Long noncoding RNA papillary thyroid carcinoma susceptibility candidate 3 (PTCSC3) is a novel lncRNA that was primarily detected in papillary thyroid carcinoma. However, the biological function and molecular mechanism of lncRNA PTCSC3 in glioma are still unknown...
February 10, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28187432/comprehensive-investigation-of-a-novel-differentially-expressed-lncrna-expression-profile-signature-to-assess-the-survival-of-patients-with-colorectal-adenocarcinoma
#18
Jiang-Hui Zeng, Liang Liang, Rong-Quan He, Rui-Xue Tang, Xiao-Yong Cai, Jun-Qiang Chen, Dian-Zhong Luo, Gang Chen
Growing evidence has shown that long non-coding RNAs (lncRNAs) can serve as prospective markers for survival in patients with colorectal adenocarcinoma. However, most studies have explored a limited number of lncRNAs in a small number of cases. The objective of this study is to identify a panel of lncRNA signature that could evaluate the prognosis in colorectal adenocarcinoma based on the data from The Cancer Genome Atlas (TCGA). Altogether, 371 colon adenocarcinoma (COAD) patients with complete clinical data were included in our study as the test cohort...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28187158/role-of-the-long-non-coding-rna-pvt1-in-the-dysregulation-of-the-cerna-cerna-network-in-human-breast-cancer
#19
Federica Conte, Giulia Fiscon, Matteo Chiara, Teresa Colombo, Lorenzo Farina, Paola Paci
Recent findings have identified competing endogenous RNAs (ceRNAs) as the drivers in many disease conditions, including cancers. The ceRNAs indirectly regulate each other by reducing the amount of microRNAs (miRNAs) available to target messenger RNAs (mRNAs). The ceRNA interactions mediated by miRNAs are modulated by a titration mechanism, i.e. large changes in the ceRNA expression levels either overcome, or relieve, the miRNA repression on competing RNAs; similarly, a very large miRNA overexpression may abolish competition...
2017: PloS One
https://www.readbyqxmd.com/read/28184916/long-non-coding-rnas-act-as-regulators-of-cell-autophagy-in-diseases-review
#20
Zhijie Xu, Yuanliang Yan, Long Qian, Zhicheng Gong
Identification of long non-coding RNAs (lncRNAs) has provided a substantial increase in our understanding of the non-coding transcriptome. Studies have revealed a crucial function of lncRNAs in the modulation of cell autophagy in vitro and in vivo, further contributing to the hallmarks of disease phenotypes. These findings have profoundly altered our understanding of disease pathobiology, and may lead to the emergence of new biological concepts underlying autophagy-associated diseases, such as the carcinomas...
March 2017: Oncology Reports
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