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lncRNA AND CANCER

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https://www.readbyqxmd.com/read/29036788/knockdown-of-lncrna-ccat2-inhibits-endometrial-cancer-cells-growth-and-metastasis-via-sponging-mir-216b
#1
Pengmu Xie, Hongying Cao, Ying Li, Jianhua Wang, Zhumei Cui
OBJECTIVE: Colon cancer-associated transcript 2 (CCAT2), a novel lncRNA has been reported as an oncogene in several cancers. This study was aimed to explore whether CCAT2 also exerted oncogenic roles in endometrial cancer cells. MATERIALS AND METHODS: The expression of CCAT2 in 30 pairs of endometrial cancer and matched non-cancerous tissues were detected by qRT-PCR. Two endometrial cancer cell lines HEC-1-A and RL95-2 were used throughout this study. CCAT2 in cells was silenced by transfection with shRNA targeted CCAT2, then cell growth and metastasis were assessed by performing trypan blue staining, Transwell assay, and flow cytometry...
September 29, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29036784/decreased-expression-of-lncrna-vps9d1-as1-in-gastric-cancer-and-its-clinical-significance
#2
Min Chen, Xiaoliang Wu, Wenjuan Ma, Qianghua Zhou, Xing Wang, Rongxin Zhang, Jiahong Wang, Xianzi Yang
BACKGROUND: A recent study has demonstrated that the long non-coding RNA VPS9D1-AS1 is highly expressed in colorectal cancer and predicts poor prognosis. However, role of VPS9D1-AS1 in gastric cancer remained poorly understood. OBJECTIVE: The aim of this study is to decipher the expression of VPS9D1-AS1 in gastric cancer (GC) patients, so as to assess whether or not it could be used as a novel biomarker for prognosis in gastric cancer patients. METHODS: The expression of VPS9D1-AS1 was examined in cancer tissues and paired adjacent non-tumorous tissues from 126 gastric cancer patients using qRT-PCR...
September 29, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29036538/stlr4-md-2-complex-inhibits-colorectal-cancer-migration-and-invasiveness-in-vitro-and-in-vivo-by-lncrna-h19-down-regulation
#3
Weijun Liang, Yan Zou, Fengxian Qin, Jifei Chen, Junyi Xu, Shifeng Huang, Jingfan Chen, Shengming Dai
Long non-coding RNAs (lncRNAs) have multiple functions in gene regulation and during cellular processes. However, the functional roles of lncRNAs in colorectal cancer (CRC) have not yet been well understood. In our previous study, we demonstrated that sTLR4/MD-2 complex can inhibit CRC in vitro and in vivo by targeting LPS. Therefore, the aim of the present study is to investigate the expression of lncRNA H19 in CRC and to evaluate its effect on the inhibition of sTLR4/MD-2 complex. The expression of H19 is measured in 63 CRC tumor tissues and adjacent normal tissues by quantitative real-time PCR (qRT-PCR)...
September 28, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29035371/lncrna-mir100hg-derived-mir-100-and-mir-125b-mediate-cetuximab-resistance-via-wnt-%C3%AE-catenin-signaling
#4
Yuanyuan Lu, Xiaodi Zhao, Qi Liu, Cunxi Li, Ramona Graves-Deal, Zheng Cao, Bhuminder Singh, Jeffrey L Franklin, Jing Wang, Huaying Hu, Tianying Wei, Mingli Yang, Timothy J Yeatman, Ethan Lee, Kenyi Saito-Diaz, Scott Hinger, James G Patton, Christine H Chung, Stephan Emmrich, Jan-Henning Klusmann, Daiming Fan, Robert J Coffey
De novo and acquired resistance, which are largely attributed to genetic alterations, are barriers to effective anti-epidermal-growth-factor-receptor (EGFR) therapy. To generate cetuximab-resistant cells, we exposed cetuximab-sensitive colorectal cancer cells to cetuximab in three-dimensional culture. Using whole-exome sequencing and transcriptional profiling, we found that the long non-coding RNA MIR100HG and two embedded microRNAs, miR-100 and miR-125b, were overexpressed in the absence of known genetic events linked to cetuximab resistance...
October 16, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29034803/lncrna-hoxa11-as-promotes-proliferation-and-invasion-by-targeting-mir-124-in-human-non-small-cell-lung-cancer-cells
#5
Wanjun Yu, Weidong Peng, Hao Jiang, Hanyun Sha, Jipeng Li
Long non-coding RNAs have been implicated in human cancer but their mechanisms of action are mainly undocumented. In this study, we found that HOXA11-AS expression was upregulated in non-small cell lung cancer tissues and cell lines. High levels of HOXA11-AS expression were correlated with larger tumor size and lymph node metastasis. Functional analysis revealed that HOXA11-AS promotes non-small cell lung cancer cell proliferation and invasion. In particular, HOXA11-AS functions as a competing endogenous RNA to regulate transcriptional factor Sp1 expression via sponging miR-124...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29033980/cellular-physiological-and-pathological-aspects-of-the-long-non-coding-rna-neat1
#6
Pang-Kuo Lo, Benjamin Wolfson, Qun Zhou
BACKGROUND: The majority of mammalian genomes have been found to be transcribed into non-coding RNAs. One category of non-coding RNAs is classified as long non-coding RNAs (lncRNAs) based on their transcript sizes larger than 200 nucleotides. Growing evidence has shown that lncRNAs are not junk transcripts and play regulatory roles in multiple aspects of biological processes. Dysregulation of lncRNA expression has also been linked to diseases, in particular cancer. Therefore, studies of lncRNAs have attracted significant interest in the field of medical research...
December 2016: Frontiers in Biology
https://www.readbyqxmd.com/read/29033588/hoxd-as1-functions-as-an-oncogenic-cerna-to-promote-nsclc-cell-progression-by-sequestering-mir-147a
#7
Qinghua Wang, Shujun Jiang, Anying Song, Siyuan Hou, Qinfeng Wu, Longju Qi, Xiang Gao
Non-small cell lung cancer (NSCLC) is one of the most common malignancies worldwide, and it occurs at a higher frequency in males. HOXD-AS1, an important cancer-associated long noncoding RNA (lncRNA), contributes to the development and progression of several cancers. However, the exact roles of HOXD-AS1 in NSCLC progression are still unknown. Here, we investigated the underlying mechanisms of HOXD-AS1 in human NSCLC tissues. We found that lncRNA HOXD-AS1 was specifically upregulated (P<0.001) in NSCLC tissues and promoted cancer cell growth by targeting miR-147a...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29031201/long-non-coding-rna-or3a4-promotes-proliferation-and-migration-in-breast-cancer
#8
Genxiang Liu, Xingchi Hu, Guangjun Zhou
More and more researches have shown the vital functions of long non-coding RNAs (LncRNAs) in modulating the biological progresses in tumorigenesis. OR3A4 is such a type of lncRNA. The long non-coding RNA (lncRNA) OR3A4 has recently been exposed to be exceptionally expressed and referred to the development of several cancers. Nevertheless, the biological function and clinical significance of OR3A4 in the carcinogenesis of breast cancer (BC) are still blurry. Therefore, we carried out the following study to make sure the underlying functions of OR3A4 in breast cancer...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29030962/lncrna-dgcr5-promotes-lung-adenocarcinoma-luad-progression-via-inhibiting-hsa-mir-22-3p
#9
Hui-Xing Dong, Ren Wang, Jian Zeng, Jing Pan
Long non-coding RNAs (lncRNAs) serve critical roles in the pathogenesis of various cancers, including lung adenocarcinoma (LUAD). Herein, in this study, we aimed to investigate the biological and clinical significance of lncRNA DiGeorge syndrome critical region gene 5 (DGCR5) in LUAD. It was observed that DGCR5 was upregulated in LUAD tissues and LUAD cell lines. Inhibition of DGCR5 can prevent LUAD progression via playing anti-apoptosis roles. Both mRNA expression and protein levels of BCL-2 were increased by DGCR5 downregulation while reversely BAX was increased...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29029523/systematic-review-and-meta-analysis-of-the-utility-of-long-non-coding-rna-gas5-as-a-diagnostic-and-prognostic-cancer-biomarker
#10
Wei Li, Na Li, Ke Shi, Qiong Chen
The growth arrest-specific 5 transcript (GAS5) is a long non-coding RNA (lncRNA) involved in the control of cell cycle progression and apoptosis in a wide variety of cells. To determine the clinical value of GAS5 expression in cancer patients, we performed a systematic review and meta-analysis exploring its association with the diagnosis, prognosis, and clinicopathological characteristics of cancer. Ten articles on prognosis, 15 on clinicopathology, and 5 on diagnosis were analyzed. Overall results showed that decreased GAS5 expression associated with unfavorable overall survival (OS) (HR = 2...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029488/integrated-analysis-of-competing-endogenous-rna-network-revealing-lncrnas-as-potential-prognostic-biomarkers-in-human-lung-squamous-cell-carcinoma
#11
Jing Sui, Si-Yi Xu, Jiali Han, Song-Ru Yang, Cheng-Yun Li, Li-Hong Yin, Yue-Pu Pu, Ge-Yu Liang
Accumulating evidence shows the important role of long non-coding RNAs (lncRNAs) in competing endogenous RNA (ceRNA) networks for predicting survival in tumor patients. However, prognostic biomarkers for lung squamous cell carcinoma (LUSC) are still lacking. The objective of this study is to identify a lncRNA signature for evaluation of overall survival (OS) in 474 LUSC patients from The Cancer Genome Atlas (TCGA) database. A total of 474 RNA sequencing profiles in LUSC patients with clinical data were obtained, providing a large sample of RNA sequencing data, and 83 LUSC-specific lncRNAs, 26 miRNAs, and 85 mRNAs were identified to construct the ceRNA network (fold change>2, P<0...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029475/the-prognostic-potential-and-carcinogenesis-of-long-non-coding-rna-tug1-in-human-cholangiocarcinoma
#12
Yi Xu, Kaiming Leng, Zhenglong Li, Fumin Zhang, Xiangyu Zhong, Pengcheng Kang, Xingming Jiang, Yunfu Cui
Cholangiocarcinoma (CCA) is a fatal disease with increasing worldwide incidence and is characterized by poor prognosis due to its poor response to conventional chemotherapy or radiotherapy. Long non-coding RNAs (lncRNAs) play key roles in multiple human cancers, including CCA. Cancer progression related lncRNA taurine-up-regulated gene 1 (TUG1) was reported to be involved in human carcinomas. However, the impact of TUG1 in CCA is unclear. The aim of this study was to explore the expression pattern of TUG1 and evaluate its clinical significance as well as prognostic potential in CCA...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029461/prognostic-value-of-long-non-coding-rna-tug1-in-various-tumors
#13
Na Li, Ke Shi, Xinmei Kang, Wei Li
Taurine up-regulated gene 1 (TUG1) is a long non-coding RNA (lncRNA), has been reported that be dysregulated in various tumors, involved in proliferation and apoptosis in a variety of tumor cells. To detect the clinical significance of TUG1 expression in tumor patients, we carried out current systematic review and meta-analysis investigating its relation with the prognosis and clinicopathological features of cancers. A total of 15 studies comprise 1560 patients were analyzed. The pooled results showed that no significant relationship between high TUG1 expression and overall survival (OS) (HR = 1...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029437/long-non-coding-rna-ube2cp3-promotes-tumor-metastasis-by-inducing-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma
#14
Shun-Wang Cao, Jin-Lan Huang, Jing Chen, Yan-Wei Hu, Xiu-Mei Hu, Ting-Yu Ren, Shi-Hao Zheng, Jin-Duan Lin, Jing Tang, Lei Zheng, Qian Wang
Hepatocellular carcinoma (HCC) is a highly aggressive, solid malignancy that has a poor prognosis. Long non-coding RNAs (lncRNAs) have been found to be dysregulated in various cancers, including HCC. However, the molecular mechanism involving lncRNAs in HCC remains largely unknown. In this study, lncRNAs differentially expressed between HCC and corresponding non-cancerous tissue were identified by microarray analysis. A specific differentially expressed lncRNA UBE2CP3 (ubiquitin conjugating enzyme E2 C pseudogene 3) was identified...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029428/long-non-coding-rna-tug1-promotes-cervical-cancer-progression-by-regulating-the-mir-138-5p-sirt1-axis
#15
Jie Zhu, Huirong Shi, Huina Liu, Xiaojuan Wang, Fengmei Li
Increasing evidences showed that long non-coding RNAs (lncRNAs) play vital roles in tumor progression. Recent studies indicated that lncRNA TUG1 was upregulated and promoted tumor processes in several cancers. However, the expression and underlying mechanism of TUG1 in cervical cancer remain unclear. In the present study, we found that TUG1 expression was upregulated in cervical cancer tissues and correlated with advanced clinical features and poor overall survival. TUG1 knockdown suppressed cervical cancer cell growth and metastasis in vitro and tumor growth in vivo...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028095/bcar4-increase-cisplatin-resistance-and-predicted-poor-survival-in-gastric-cancer-patients
#16
L Wang, Q Chunyan, Y Zhou, Q He, Y Ma, Y Ga, X Wang
OBJECTIVE: Gastric cancer is a common malignancy with increasing worldwide incidence, and chemotherapeutic drugs for gastric cancer are not effective. Long non-coding RNA (lncRNA) has been proved to be important in different cancer progression. In this research, we investigated whether lncRNAs have relations with drug resistance in gastric cancer to find new potential targets for therapy, which can increase the survival time of the drug-resistant gastric patient. PATIENTS AND METHODS: qRT-PCR was used to detect the expression of BCAR4 in 113 cases of gastric cancer tissue and adjacent tissue, and the clinical significance was also analyzed...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29028092/long-non-coding-rna-ror-is-a-novel-prognosis-factor-associated-with-non-small-cell-lung-cancer-progression
#17
C-H Qu, Q-Y Sun, F-M Zhang, Y-M Jia
OBJECTIVE: The aim of the present study was to determine the expression levels of long intergenic non-protein coding RNA, regulator of reprogramming (linc-ROR) in non-small-cell lung cancer (NSCLC) patients and to further explore the prognostic value of this lncRNA. PATIENTS AND METHODS: In our investigation, we determined the expression of linc-ROR in human NSCLC tissues and matched normal lung tissues by quantitative Real-time-PCR analysis. Also, correlations between linc-ROR expression and the clinicopathological features were evaluated...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29027534/long-non-coding-rna-meg3-promotes-the-proliferation-of-glioma-cells-through-targeting-wnt-%C3%AE-catenin-signal-pathway
#18
X Gong, M Huang
Glioma has been identified as one of the most aggressive primary tumors. Long non-coding RNAs (lncRNAs), with length larger than 200 bp, have drawn increasing attention to their abnormal expression and regulation function in carcinogenesis. However, the role of lncRNAs in glioma remains largely unknown. Maternally expressed gene 3 (MEG3), also known as gene-trap locus 2 (GTL2), is an imprinted gene, and is encoded by the MEG3 transcript of the DLK1/MEG3 locus on human chromosome, or Meg3 on mouse chromosome...
October 13, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/29026319/current-advances-of-long-non-coding-rna-highly-upregulated-in-liver-cancer-in-human-tumors
#19
REVIEW
Zhonghua Ma, Hesuyuan Huang, Yetao Xu, Xuezhi He, Jirong Wang, Bingqing Hui, Hao Ji, Jing Zhou, Keming Wang
Long non-coding RNAs (lncRNAs) are a group of non-coding RNAs (ncRNAs) >200 nucleotides in length that govern diverse biological processes. Recent evidence suggests that lncRNAs are involved in cancer cell proliferation, apoptosis, invasion, migration, and metastasis. Dysregulation of lncRNAs has been observed in various tumors, and lncRNAs act as oncogenes or tumor suppressors in these malignancies. It has been revealed that lncRNA highly upregulated in liver cancer (HULC) is tightly correlated with a number of cancers such as hepatocellular carcinoma, gastric cancer, colorectal cancer, osteosarcoma, and diffuse large B-cell lymphoma...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29026116/the-value-of-lncrna-neat1-as-a-prognostic-factor-for-survival-of-cancer-outcome-a-meta-analysis
#20
Yunyuan Zhang, Limin Lun, Hui Li, Qing Wang, Jieru Lin, Runhua Tian, Huazheng Pan, Haiping Zhang, Xian Chen
The present meta-analysis aimed to analyze available data to identify the prognostic role of NEAT1 in multiple carcinomas. A systematic search was performed by using several computerized databases from inception to June 7, 2017. The quantity of the publications was assessed according to MOOSE checklist. Pooled HRs with 95% CI was calculated to summarize the effect. A total of 12 studies with 3,262 cancer patients were pooled in the analysis to evaluate the prognostic value of NEAT1 in multiple tumors. High expression levels of NEAT1 were demonstrated to be associated with poor OS (HR = 1...
October 12, 2017: Scientific Reports
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