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lncRNA AND CANCER

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https://www.readbyqxmd.com/read/29935018/a-novel-long-noncoding-rna-lncrna-ll22nc03-n64e9-1-promotes-the-proliferation-of-lung-cancer-cells-and-is-a-potential-prognostic-molecular-biomarker-for-lung-cancer
#1
Hongyu Jing, Xinglong Qu, Lingyun Liu, Huan Xia
BACKGROUND The aim of this study was to investigate the expression of a novel long noncoding RNA (lncRNA), LL22NC03-N64E9.1, and its effect on the phenotype of lung cancer cells and tissues using The Cancer Genome Atlas (TCGA) RNA sequencing data and other publicly available profiling data. MATERIAL AND METHODS The lung cancer dataset GSE30219 was downloaded from the Gene Expression Omnibus (GEO) repository. Differentially expressed lncRNA, LL22NC03-N64E9.1, in 48 lung cancer tissue samples and adjacent normal lung tissues, normal lung cell lines BEAS-2B and A549, and lung cancer cell lines, H1703, and H292, were detected by quantitative reverse transcription polymerase chain reaction (PCR) (qRT-PCR)...
June 23, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29934435/long-non-coding-rna-crybg3-blocks-cytokinesis-by-directly-binding-g-actin
#2
Hailong Pei, Wentao Hu, Ziyang Guo, Huaiyuan Chen, Ji Ma, Weidong Mao, Bingyan Li, Aiqing Wang, Jianmei Wan, Jian Zhang, Jing Nie, Guangming Zhou, Tom K Hei
The dynamic interchange between monomeric globular actin (G-actin) and polymeric filamentous actin filaments (F-actin) is fundamental and essential to many cellular processes including cytokinesis and maintenance of genomic stability. Here we report that the long non-coding RNA LNC CRYBG3 directly binds G-actin to inhibit its polymerization and formation of contractile rings, resulting in M-Phase cell arrest. Knockdown of LNC CRYBG3 in tumor cells enhanced their malignant phenotypes. Nucleotide sequence 228-237 of the full-length LNC CRYBG3 and the ser14 domain of beta-actin are essential for their interaction, and mutation of either of these sites abrogated binding of LNC CRYBG3 to G-actin...
June 22, 2018: Cancer Research
https://www.readbyqxmd.com/read/29931370/long-noncoding-rna-occ-1-suppresses-cell-growth-through-destabilizing-hur-protein-in-colorectal-cancer
#3
Yang Lan, Xuewei Xiao, Zhengchi He, Yu Luo, Chuanfang Wu, Ling Li, Xu Song
Overexpressed in colon carcinoma-1 (OCC-1) is one of the earliest annotated long noncoding RNAs (lncRNAs) in colorectal cancer (CRC); however, its function remains largely unknown. Here, we revealed that OCC-1 plays a tumor suppressive role in CRC. OCC-1 knockdown by RNA interference promotes cell growth both in vitro and in vivo, which is largely due to its ability to inhibit G0 to G1 and G1 to S phase cell cycle transitions. In addition, overexpression of OCC-1 can suppress cell growth in OCC-1 knockdown cells...
June 20, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29930469/association-of-twelve-polymorphisms-in-three-onco-lncrna-genes-with-hepatocellular-cancer-risk-and-prognosis-a-case-control-study
#4
Ben-Gang Wang, Qian Xu, Zhi Lv, Xin-Xin Fang, Han-Xi Ding, Jing Wen, Yuan Yuan
AIM: To evaluate the association of 12 tag single nucleotide polymorphisms (tagSNPs) in three onco-long non-coding RNA (lncRNA) genes ( HOTTIP , CCAT2 , MALAT1 ) with the risk and prognosis of hepatocellular cancer (HCC). METHODS: Twelve tagSNPs covering the three onco-lncRNAs were genotyped by the KASP method in a total of 1338 samples, including 521 HCC patients and frequency-matched 817 controls. The samples were obtained from an unrelated Chinese population at the First Hospital of China Medical University from 2012-2015...
June 21, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29929545/systematic-analyses-reveal-long-non-coding-rna-ptaf-mediated-promotion-of-emt-and-invasion-metastasis-in-serous-ovarian-cancer
#5
Haihai Liang, Xiaoguang Zhao, Chengyu Wang, Jian Sun, Yingzhun Chen, Guoyuan Wang, Lei Fang, Rui Yang, Mengxue Yu, Yunyan Gu, Hongli Shan
BACKGROUND: A deeper mechanistic understanding of epithelial-to-mesenchymal transition (EMT) regulation is needed to improve current anti-metastasis strategies in ovarian cancer (OvCa). This study was designed to investigate the role of lncRNAs in EMT regulation during process of invasion-metastasis in serous OvCa to improve current anti-metastasis strategies for OvCa. METHODS: We systematically analyzes high-throughput gene expression profiles of both lncRNAs and protein-coding genes in OvCa samples with integrated epithelial (iE) subtype and integrated mesenchymal (iM) subtype labels...
June 21, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29928414/hypoxia-exposure-upregulates-malat-1-and-regulates-the-transcriptional-activity-of-ptb-associated-splicing-factor-in-a549-lung-adenocarcinoma-cells
#6
Ling Hu, Jing Tang, Xiaohuan Huang, Tao Zhang, Xiaoling Feng
Hypoxia has been reported to be a critical microenvironmental factor that induces cancer metastasis and proliferation in gastric, liver and hepatic cancers; however, the underlying mechanisms of this are largely unknown. Long noncoding RNAs (lncRNAs) have emerged as crucial factors of several aspects of tumor malignancy, including tumorigenesis, metastasis and chemoresistance. However, the potential association of lncRNAs with hypoxia-induced cancer malignancy remains to be determined. In the present study, the differential expression of lncRNAs following the induction of hypoxia in A549 lung adenocarcinoma cells was analyzed reverse transcription-quantitative polymerase chain reaction...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928382/malat1-a-long-non-coding-rna-highly-associated-with-human-cancers
#7
REVIEW
Miaomiao Zhao, Songpo Wang, Qi Li, Qing Ji, Piaoting Guo, Xiaowei Liu
Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), a well-known lncRNA associated with numerous diseases, particularly cancer, has received increased attention. The expression of MALAT1 was determined to be upregulated in numerous types of tumors and MALAT1 exhibited effects on tumor cell proliferation, migration, invasion and apoptosis. The abnormal expression of MALAT1 was identified in almost in every organ of the digestive system. MALAT1 performed an important role in the pathological alterations of organs that are associated with sex hormones and several reproductive system cancers...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29925853/lncrna-ftx-sponges-mir-215-and-inhibits-phosphorylation-of-vimentin-for-promoting-colorectal-cancer-progression
#8
Yi Yang, Jinpei Zhang, Xi Chen, Xin Xu, Gang Cao, Hua Li, Tao Wu
Recent researches have reported that long noncoding RNA (lncRNA) five prime to Xist (FTX) plays a crucial role in the initiation and progression of cancers. In the current study, the clinical significance and functional roles of lncRNA FTX in colorectal cancer (CRC) progression were investigated. A significant increase of lncRNA FTX expression in CRC tissue and cell lines was observed. Overexpression of lncRNA FTX was significantly associated with the bigger tumor diameter, the advanced TNM stage, the lymph node, and distant metastasis, and also predicted poor prognosis of patients with CRC...
June 20, 2018: Gene Therapy
https://www.readbyqxmd.com/read/29925408/lncgpr107-drives-the-self-renewal-of-liver-tumor-initiating-cells-and-liver-tumorigenesis-through-gpr107-dependent-manner
#9
Guanqun Huang, Hui Jiang, Ye Lin, Wuzheng Xia, Yuanwei Luo, Yanpeng Wu, Weilong Cai, Xinke Zhou, Xianhan Jiang
BACKGROUND: With self-renewal and differentiation properties, liver tumor initiating cells (TICs) are the reasons for tumor initiation, metastasis and drug resistance. G protein coupled receptors (GPCR) are critical modulators in many physiological and pathological processes. While, their roles in liver TICs are unknown. METHODS: An unbiased screening was performed using online-available data dataset. Liver TICs were sorted by FACS with surface marker CD133, or enriched by oncosphere formation...
June 20, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29924905/a-long-non-coding-rna-expression-profile-can-predict-early-recurrence-in-hepatocellular-carcinoma-after-curative-resection
#10
Yufeng Lv, Wenhao Wei, Zhong Huang, Zhichao Chen, Yuan Fang, Lili Pan, Xueqiong Han, Zihai Xu
PURPOSE: The aim of this study was to develop a novel long non-coding RNA (lncRNA) expression signature to accurately predict early recurrence for patients with hepatocellular carcinoma (HCC) after curative resection. PATIENTS AND METHODS: Using expression profiles downloaded from The Cancer Genome Atlas database, we identified multiple lncRNAs with differential expression between early recurrence (ER) group and non-early recurrence (non-ER) group of HCC. Least absolute shrinkage and selection operator (LASSO) for logistic regression models were used to develop a lncRNA-based classifier for predicting ER in the training set...
June 20, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29923546/identification-of-potential-prostate-cancer-related-pseudogenes-based-on-competitive-endogenous-rna-network-hypothesis
#11
Tao Jiang, Junjie Guo, Zhongchun Hu, Ming Zhao, Zhenggang Gu, Shu Miao
BACKGROUND Long noncoding RNAs (lncRNAs) have been revealed to function as competing endogenous RNAs (ceRNAs), which can seclude the common microRNAs (miRNAs) and hence prevent the miRNAs from binding to their ancestral gene. Nonetheless, the role of lncRNA-mediated ceRNAs in prostate cancer has not yet been elucidated. MATERIAL AND METHODS Using The Cancer Genome Atlas (TCGA) database, lncRNA, miRNA, and mRNA profiles from 499 prostate cancer tissues and 52 normal prostate tissues were analyzed with the R package "DESeq" to identify the differentially expressed RNAs...
June 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29923329/identification-of-differential-expressed-lncrnas-in-human-thyroid-cancer-by-a-genome-wide-analyses
#12
Wei Lu, Yongcan Xu, Jiewei Xu, Zhong Wang, Guochao Ye
Recently, a growing number of evidence has revealed that long noncoding RNAs (lncRNAs) act as key regulators in various cellular biologic processes, and dysregulation of lncRNAs involves in tumorigenesis and cancer progression. However, the expression pattern, clinical relevance, and biologic function of most lncRNAs in human thyroid cancer remain unclear. To identify more thyroid-cancer-associated lncRNAs, we analyzed the expression profile of lncRNAs in thyroid cancer tissues and adjacent normal or non-tumor tissues using RNA sequencing data and gene microarray data from The Cancer Genome Atlas and Gene Expression Omnibus...
June 20, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29923223/orchestrating-a-biomarker-panel-with-lncrnas-and-mrnas-for-predicting-survival-in-pancreatic-ductal-adenocarcinoma
#13
Yingcheng Wu, Jinhuan Wei, Yue Ming, Zhanghao Chen, Jinzhong Yu, Renfang Mao, Hao Chen, Guoxiong Zhou, Yihui Fan
The low survival of patients with pancreatic ductal adenocarcinoma (PDAC) makes the treatment of this disease one of the most challenging task in modern medicine. Here, by mining a large-scale cancer genome atlas data set of pancreatic cancer tissues, we identified 21 long noncoding RNAs (lncRNAs) that significantly associated with overall survival in patients with PDAC (P < .01). Further analysis revealed that 8 lncRNAs turned out to be independently correlated with patients' overall survival, and the risk score could be calculated based on their expression...
June 20, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29922603/association-of-rs3787016-in-long-non-coding-rnas-polr2e-and-rs2910164-in-mirna-146a-with-prostate-cancer-a-systematic-review-and-meta-analysis
#14
REVIEW
Shuaishuai Huang, Hui Cui, Zhongguan Lou, Xue Wang, Liangliang Chen, Zhenhua Xie, Michael Hehir, Xuping Yao, Yu Ren, Dong Cen, Guobin Weng
Background: The aim of this study was to conduct a meta-analysis to estimate the association between the two SNPs and PCa risk. Methods: Medline, Embase, Scopus, PubMed, Web of Science, Wan Fang Database and Chinese Zhi Wang Database were searched for the association of the two SNPs with susceptibility to PCa. The effect size was pooled by odds ratios (ORs) and 95% confidence intervals (95% CIs). Results: Nine case-control studies, 5 on rs3787016 and 4 on rs2910164, were included...
May 2018: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29921511/the-lncrna-snhg3-regulates-energy-metabolism-of-ovarian-cancer-by-an-analysis-of-mitochondrial-proteomes
#15
Na Li, Xiaohan Zhan, Xianquan Zhan
BACKGROUND: Malignant tumors are heterogeneous diseases characterized by different metabolic phenotypes. These were revealed by Warburg effect and reverse Warburg effect phenotypes. However, the molecular mechanism remains largely unknown. METHODS: Isobaric tag for relative and absolute quantification (iTRAQ) proteomics was used to identify mitochondrial differentially expressed proteins (DEPs) of ovarian cancers relative to controls, followed by bioinformatic analysis...
June 16, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29920344/lncrna-tdrg1-enhances-tumorigenicity-in-endometrial-carcinoma-by-binding-and-targeting-vegf-a-protein
#16
Shuo Chen, Li-Li Wang, Kai-Xuan Sun, Yao Liu, Xue Guan, Zhi-Hong Zong, Yang Zhao
Endometrial carcinoma is one of the most frequently diagnosed cancers in females. Long non-coding RNAs (lncRNAs) have been associated with cancer; its role in endometrial carcinoma is an emerging area of research. In this article, lncRNA TDRG1 expression in human endometrial carcinoma tissues and normal endometrial tissues was quantified by qRT-PCR. LncRNA TDRG1 was overexpressed or knocked-down in neither HEC-1B nor Ishikawa endometrial carcinoma cells, respectively, to assess cellular phenotype and expression of related molecules...
June 16, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29917188/mechanism-of-lncrna-duxap8-in-promoting-proliferation-of-bladder-cancer-cells-by-regulating-pten
#17
M-G Lin, Y-K Hong, Y Zhang, B-B Lin, X-J He
OBJECTIVE: To evaluate the lncRNA DUXAP8 expression in bladder cancer and its mechanism. PATIENTS AND METHODS: Clinical specimens were analyzed. The expression of lncRNA in bladder cancer and adjacent tissues was detected using qRT-PCR. The χ2-test analysis was used to analyze the relationship between lncRNA DUXAP8 expression and clinicopathological information in patients with bladder cancer. The tumor cell activity and cell proliferation were measured by cell counting kit-8 (CCK8) and colony formation assay...
June 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29916899/lncrna-malat1-promotes-epithelial-to-mesenchymal-transition-of-esophageal-cancer-through-ezh2-notch1-signaling-pathway
#18
Mingjiu Chen, Zhenkun Xia, Chen Chen, Wen Hu, Yunchang Yuan
To investigate effect of long noncoding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) on epithelial-to-mesenchymal transition (EMT) of esophageal cancer (EC) and role of enhancer of zeste homolog 2 (Ezh2)-Notch1 signaling pathway in the process. The expression of MALAT1 was determined in four EC cell lines by real-time PCR. TE-1 and EC109 cells were transfected with sh-MALAT1 to inhibit expression of MALAT1 or transfected with pcDNA3.1-Ezh2 to overexpress Ezh2. Invasion and migration assays were conducted to analyze cell metastasis, and expressions of Ezh2-Notch1 signaling-related proteins as well as EMT related proteins were determined using both real-time PCR and western blot...
June 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29916897/lncrna-malat1-promotes-migration-and-invasion-of-non-small-cell-lung-cancer-by-targeting-mir-206-and-activating-akt-mtor-signaling
#19
Yi Tang, GaoMing Xiao, YueJun Chen, Yu Deng
Long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) functions as a crucial regulator of metastasis in lung cancer. The aim of this study is to unravel the underlying mechanisms of lncRNA MALAT1 in non-small-cell lung cancer (NSCLC). A cohort of 36 NSCLC tumor tissues and adjacent normal tissues was collected postoperatively from patients with NSCLC. qRT-PCR was performed to detect the expression of MALAT1 in both NSCLC tissues and cell lines. Cell migration and invasion were monitored by wound healing assay and transwell invasion assay...
June 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29916526/identifying-autophagy-gene-associated-module-biomarkers-through-construction-and-analysis-of-an-autophagy-mediated-cerna%C3%A2-cerna-interaction-network-in-colorectal-cancer
#20
Kun Qian, Huiying Huang, Jing Jiang, Dahua Xu, Shengnan Guo, Ying Cui, Hao Wang, Liqiang Wang, Kongning Li
Autophagy is crucial in cellular homeostasis and has been implicated in the development of malignant tumors. However, the regulatory function of autophagy in cancer remains to be fully elucidated. In the present study, the autophagy-mediated competing endogenous RNA (ceRNA)‑ceRNA interaction networks in colorectal cancer (CRC) were constructed by integrating systematically expression profiles of long non‑coding RNAs and mRNAs. It was found that a large proportion of autophagy genes were inclined to target hub nodes, including a fraction of autophagy genes, by comparing with other genes within ceRNA networks, and showed preferential interaction with themselves...
June 18, 2018: International Journal of Oncology
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