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colorectal cancer AND lncRNA

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https://www.readbyqxmd.com/read/28099409/up-regulated-expression-of-spry4-it1-predicts-poor-prognosis-in-colorectal-cancer
#1
Wenlong Tan, Zi-Zheng Song, Qunfang Xu, Xinyan Qu, Zhen Li, Yu Wang, Qun Yu, Shengqi Wang
BACKGROUND Long non-coding RNA SPRY4 intronic transcript 1 (lncRNA SPRY4-IT1) has been reported to be associated with the progression of several cancers, but its expression level in colorectal cancer (CRC) has rarely been reported. The purpose of this study was to estimate the clinical significance of SPRY4-IT1 in CRC. MATERIAL AND METHODS The relative expression levels of SPRY4-IT1 were detected by quantitative real-time polymerase chain reaction (qRT-PCR) in diseased tissues and the adjacent normal tissues of 106 CRC patients...
January 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28099146/long-non-coding-rna-growth-arrest-specific-transcript-5-acts-as-a-tumour-suppressor-in-colorectal-cancer-by-inhibiting-interleukin-10-and-vascular-endothelial-growth-factor-expression
#2
Yuan Li, Yan Li, Shengkai Huang, Kun He, Mei Zhao, Hong Lin, Dongdong Li, Jiaming Qian, Caihong Zhou, Yuhua Chen, Changzhi Huang
Long non-coding RNAs (lncRNAs) are highly involved in diverse biological processes of human malignancies. The expression profile and underlying mechanism of lncRNA growth arrest specific transcript 5 (GAS5) in colorectal cancer (CRC) is poorly understood. In this study, we found that GAS5 was commonly downregulated in CRC tissues, serum of CRC patients and CRC cell lines. Knockdown of GAS5 promoted CRC cell proliferation and colony formation, whereas overexpression of GAS5 produced the opposite result. We further demonstrated that knockdown of GAS5 increased the expression and secretion of interleukin-10 (IL-10) and vascular endothelial growth factor (VEGF-A) via NF-κB and Erk1/2 pathways...
January 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28086904/the-lncrna-crnde-promotes-colorectal-cancer-cell-proliferation-and-chemoresistance-via-mir-181a-5p-mediated-regulation-of-wnt-%C3%AE-catenin-signaling
#3
Peng Han, Jing-Wen Li, Bo-Miao Zhang, Jia-Chen Lv, Yong-Min Li, Xin-Yue Gu, Zhi-Wei Yu, Yun-He Jia, Xue-Feng Bai, Li Li, Yan-Long Liu, Bin-Bin Cui
BACKGROUND: With more than 600,000 mortalities each year, colorectal cancer (CRC) is the third most commonly diagnosed type of cancer worldwide. Recently, mechanisms involving noncoding RNAs have been implicated in the development of CRC. METHODS: We examined expression levels of lncRNA CRNDE and miR-181a-5p in 64 cases of CRC tissues and cell lines by qRT-PCR. Gain-of-function and loss-of-function assays were performed to examine the effect of CRNDE and miR-181a-5p on proliferation and chemoresistance of CRC cells...
January 13, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28069878/malat1-is-associated-with-poor-response-to-oxaliplatin-based-chemotherapy-in-colorectal-cancer-patients-and-promotes-chemoresistance-through-ezh2
#4
Peilong Li, Xin Zhang, Haiyan Wang, Lili Wang, Tong Liu, Lutao Du, Yongmei Yang, Chuanxin Wang
A major reason for oxaliplatin chemoresistance in colorectal cancer (CRC) is the acquisition of epithelial-mesenchymal transition (EMT) in cancer cells. The long non-coding RNA, MALAT1, is a highly conserved nuclear ncRNA and a key regulator of metastasis development in several cancers. However, its role in oxaliplatin-induced metastasis and chemo-resistance is not well known. In this study, we aim to investigate the prognostic and therapeutic role of MALAT1 in CRC patients receiving oxaliplatin-based therapy, and further explore the potential transcriptional regulation through interaction with EZH2 based on the established HT29 oxaliplatin-resistant cells...
January 9, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28013491/lncrna-neat1-impacts-cell-proliferation-and-apoptosis-of-colorectal-cancer-via-regulation-of-akt-signaling
#5
Wei Peng, Zhuo Wang, Hong Fan
Long noncoding RNA (lncRNA) have been reported to modulate oncogenesis and be used to be target for tumor. The role of lncRNA NEAT1 (nuclear paraspeckle assembly transcript 1, Gene ID: 283131) in colorectal cancer (CRC) keeps unknown. This work was to investigate the pattern of lncRNA NEAT1 (NEAT1) expression in CRC and its functional value and biological significance. NEAT1 expression was analyzed in 56 cancer tissues and cell lines in CRC cases. Results showed that NEAT1 was significantly overexpressed in CRC cells and tissues...
December 24, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28009431/up-regulation-of-long-noncoding-rna-ccal-predicts-poor-patient-prognosis-and-promotes-tumor-metastasis-in-osteosarcoma
#6
Da-Kai Zhou, Xi-Wang Yang, Huining Li, Yongbo Yang, Zhen-Jun Zhu, Na Wu
BACKGROUND: Long noncoding RNAs (lncRNAs) play essential roles in tumor progression. Aberrant colorectal cancer-associated lncRNA (CCAL) has been found in colorectal cancer. However, the function of lncRNA CCAL in osteosarcoma (OS) remains unclear. METHODS: Quantitative real-time PCR (qRT-PCR) was performed to measure CCAL expression in OS tissues and adjacent nontumor tissues. The correlation betweent CCAL expression and clinicopathological features and prognosis was also analyzed...
December 22, 2016: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28004750/snhg5-promotes-colorectal-cancer-cell-survival-by-counteracting-stau1-mediated-mrna-destabilization
#7
Nkerorema Djodji Damas, Michela Marcatti, Christophe Côme, Lise Lotte Christensen, Morten Muhlig Nielsen, Roland Baumgartner, Helene Maria Gylling, Giulia Maglieri, Carsten Friis Rundsten, Stefan E Seemann, Nicolas Rapin, Simon Thézenas, Søren Vang, Torben Ørntoft, Claus Lindbjerg Andersen, Jakob Skou Pedersen, Anders H Lund
We currently have limited knowledge of the involvement of long non-coding RNAs (lncRNAs) in normal cellular processes and pathologies. Here, we identify and characterize SNHG5 as a stable cytoplasmic lncRNA with up-regulated expression in colorectal cancer. Depletion of SNHG5 induces cell cycle arrest and apoptosis in vitro and limits tumour outgrowth in vivo, whereas SNHG5 overexpression counteracts oxaliplatin-induced apoptosis. Using an unbiased approach, we identify 121 transcript sites interacting with SNHG5 in the cytoplasm...
December 22, 2016: Nature Communications
https://www.readbyqxmd.com/read/27983539/lncrna-ancr-down-regulation-suppresses-invasion-and-migration-of-colorectal-cancer-cells-by-regulating-ezh2-expression
#8
Zhao-Yang Yang, Fang Yang, Ying-Li Zhang, Bao Liu, Meng Wang, Xuan Hong, Yan Yu, Yao-Hui Zhou, Hai Zeng
Our study aimed to explore the effects of long noncoding RNA (lncRNA)-ANCR on the invasion and migration of colorectal cancer (CRC) cells by regulating enhancer of zeste homolog 2 (EZH2) expression. CRC tissues and adjacent normal tissues were collected and CRC SW620 cells line and normal human intestinal epithelial cells (HIECs) were incubated. CRC SW620 cells line was transfected with ANCR-siRNA. The expressions of ANCR and EZH2 mRNA were measured by real-time quantitative polymerase chain reaction (RT-qPCR)...
December 9, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27931286/knockdown-of-long-noncoding-rna-ghet1-inhibits-cell-proliferation-and-invasion-of-colorectal-cancer
#9
Jianyu Zhou, Xiaorong Li, Meirong Wu, Changwei Lin, Yihang Guo, Buning Tian
Emerging evidence has identified the vital role of long noncoding RNAs (lncRNAs) in the development of colorectal cancer. In this study, we aimed to investigate the role of lncRNA gastric carcinoma highly expressed transcript 1 (GHET1) in colorectal cancer. We analyzed the expression of GHET1 in colorectal cancer (CRC) tissues by using ISH. We found that GHET1 expression was significantly increased in the CRC samples compared with adjacent tissues. Furthermore, the cancer tissues had higher GHET1 mRNA levels than their matched adjacent tissues...
May 2016: Oncology Research
https://www.readbyqxmd.com/read/27919747/h19-mediates-methotrexate-resistance-in-colorectal-cancer-through-activating-wnt-%C3%AE-catenin-pathway
#10
Ke-Feng Wu, Wei-Cheng Liang, Lu Feng, Jian-Xin Pang, Mary Miu-Yee Waye, Jin-Fang Zhang, Wei-Ming Fu
Colorectal cancer (CRC) is a common malignancy, most of which remain unresponsive to chemotherapy. As one of the earliest cytotoxic drugs, methotrexate (MTX) serves as an anti-metabolite and anti-folate chemotherapy for various cancers. Unfortunately, MTX resistance prevents its clinical application in cancer therapy. Thereby, overcoming the drug resistance is an alternative strategy to maximize the therapeutic efficacy of MTX in clinics. Long noncoding RNAs (lncRNAs) have gained widespread attention in recent years...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27917920/transcriptome-and-long-noncoding-rna-sequencing-of-three-extracellular-vesicle-subtypes-released-from-the-human-colon-cancer-lim1863-cell-line
#11
Maoshan Chen, Rong Xu, Hong Ji, David W Greening, Alin Rai, Keiichi Izumikawa, Hideaki Ishikawa, Nobuhiro Takahashi, Richard J Simpson
Previously we reported that LIM1863 colorectal cancer (CRC) cells secrete three distinct extracellular vesicle subtypes - two subpopulations of exosomes (apical EpCAM-Exos and basolateral A33-Exos) and shed microvesicles (sMVs) - with distinct protein and miRNA signatures. Here, we extend our omics approach to understand the fundamental role of LIM1863-derived EVs by performing a comprehensive analysis of their mRNAs and long non-coding RNAs (lncRNAs) using RNA-Seq. We show that 2,389 mRNAs, 317 pseudogene transcripts, 1,028 lncRNAs and 206 short non-coding RNAs selectively distributed to (i...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27912775/a-novel-long-non-coding-rna-lnc-gnat1-1-is-low-expressed-in-colorectal-cancer-and-acts-as-a-tumor-suppressor-through-regulating-rkip-nf-%C3%AE%C2%BAb-snail-circuit
#12
Chunxiang Ye, Zhanlong Shen, Bo Wang, Yansen Li, Tao Li, Yang Yang, Kewei Jiang, Yingjiang Ye, Shan Wang
BACKGROUND: The role of long non-coding RNAs (lncRNAs) in colorectal cancer (CRC) progression has not fully been elucidated. This study was designed to report the identification of a novel lncRNA, lnc-GNAT1-1, and its functional role in CRC progression. METHODS: lncRNA expression profile microarray was performed in three paired primary and liver metastatic tissues of CRC, and a novel lncRNA, lnc-GNAT1-1, was identified to be a potential functional lncRNA. Quantitative real-time PCR was used to detect its expression in CRC tissues, cell lines, and patients' plasma, cell fractionation was used to evaluate its subcellular location...
December 3, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27895785/expression-and-clinicopathological-significance-of-the-lncrna-hoxa11-as-in-colorectal-cancer
#13
Tong Li, Chengfei Xu, Bin Cai, Meng Zhang, Feng Gao, Jialiang Gan
HOXA11 antisense RNA (HOXA11-AS) is a long non-coding RNA (lncRNA) that is important in determining cancer progression. HOXA11-AS was recently identified as a novel biomarker in lung cancer progression. However, its role in colorectal cancer (CRC) remains poorly understood. The present study aimed to analyze lncRNA HOXA11-AS expression in CRC and investigate a possible association between HOXA11-AS and clinicopathological factors. HOXA11-AS expression was examined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) in 84 CRC tissues and adjacent non-cancerous tissues, in addition to 3 CRC cell lines and 1 human normal colorectal cell line...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27890432/silencing-of-long-non-coding-rna-sbdsp1-suppresses-tumor-growth-and-invasion-in-colorectal-cancer
#14
Debing Shi, Lei Liang, Hongtu Zheng, Guoxiang Cai, Xinxiang Li, Ye Xu, Sanjun Cai
Long non-coding RNAs (lncRNAs) play critical roles in tumor development and progression. This study was undertaken to examine the expression and biological functions of a novel lncRNA SBDSP1 in colorectal cancer (CRC). Quantitative real-time PCR analysis was used to measure the expression of SBDSP1 in CRC tissues and cell lines. Knockdown of SBDSP1 via short hairpin RNA technology was performed to determine the roles of SBDSP1 in CRC cell growth, colony formation, cell cycle progression, migration, and invasion...
January 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27888803/exosomal-long-noncoding-rna-crnde-h-as-a-novel-serum-based-biomarker-for-diagnosis-and-prognosis-of-colorectal-cancer
#15
Tong Liu, Xin Zhang, Shanyu Gao, Fangmiao Jing, Yongmei Yang, Lutao Du, Guixi Zheng, Peilong Li, Chen Li, Chuanxin Wang
Cancer-secreted long non-coding RNAs (lncRNAs) are emerging mediators of cancer-host cross talk. The aim of our study was to illustrate the clinical significance of the lncRNA CRNDE-h in exosomes purified from the serum of patients with colorectal cancer (CRC). The study was divided into four parts: (1) The exosome isolated methods and lncRNA detected methods which accurately and reproducibly measure CRC-related exosomal CRNDE-h in serum were optimized in preliminary pilot stage; (2) The stability of exosomal CRNDE-h was evaluated systematically; (3) The origin of exosomal CRNDE-h was explorated in vitro and in vivo; (4) The diagnostic and prognostic value of exosomal CRNDE-h for CRC were validated in 468 patients...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27888635/lncrnas-the-bridge-linking-rna-and-colorectal-cancer
#16
Yanfei Yang, Linjie Zhao, Lingzi Lei, Wayne Bond Lau, Bonnie Lau, Qilian Yang, Xiaobing Le, Huiliang Yang, Chenlu Wang, Zhongyue Luo, Yu Xuan, Yi Chen, Xiangbing Deng, Lian Xu, Min Feng, Tao Yi, Xia Zhao, Yuquan Wei, Shengtao Zhou
Long noncoding RNAs (lncRNAs) are transcribed by genomic regions (exceeding 200 nucleotides in length) that do not encode proteins. While the exquisite regulation of lncRNA transcription can provide signals of malignant transformation, lncRNAs control pleiotropic cancer phenotypes through interactions with other cellular molecules including DNA, protein, and RNA. Recent studies have demonstrated that dysregulation of lncRNAs is influential in proliferation, angiogenesis, metastasis, invasion, apoptosis, stemness, and genome instability in colorectal cancer (CRC), with consequent clinical implications...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27863421/lncrna-gas5-contributes-to-lymphatic-metastasis-in-colorectal-cancer
#17
Yongbin Zheng, Dan Song, Kuang Xiao, Cao Yang, Yu Ding, Wenhong Deng, Shilun Tong
Colorectal cancer (CRC) ranks the third most common type of cancer worldwide. However, the detailed molecular mechanisms underlying these processes are poorly understood. Recent studies have shown that lncRNAs play important roles in carcinogenesis and progression of CRC. The lncRNA growth arrest special 5 (GAS5), was previously identified to be down-regulated and functions as a tumor suppressor gene in many kinds of cancers. In current two-stage, case-control study, we systematically evaluated the potential role of lncRNA GAS5 and its genetic variation rs145204276 in the development and metastasis process of CRC in a Chinese population...
November 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27835600/yap1-enhances-cell-proliferation-migration-and-invasion-of-gastric-cancer-in-vitro-and-in-vivo
#18
Dan Sun, Xiaoting Li, Yingjian He, Wenhui Li, Ying Wang, Huan Wang, Shanshan Jiang, Yan Xin
Yes-associated protein 1 (YAP1) plays an important role in the development of carcinomas such as breast, colorectal, and gastric (GC) cancers, but the role of YAP1 in GC has not been investigated comprehensively. The present study strongly suggests that YAP1 and P62 were significantly up-regulated in GC specimens, compared with normal gastric mucosa. In addition, the YAP1high P62high expression was independently associated with poor prognosis in GC (hazard ratio: 1.334, 95% confidence interval: 1.045-1.704, P = 0...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27831651/long-non-coding-rna-loc554202-expression-as-a-prognostic-factor-in-patients-with-colorectal-cancer
#19
L Yang, H Wei, H-J Xiao
OBJECTIVE: To investigate the expression and clinical significance of long non-coding RNA Loc554202 (lncRNA Loc554202) in human colorectal cancer (CRC). PATIENTS AND METHODS: The expression of Loc554202 was detected in 178 CRC tissues and matched normal colorectal tissue samples by qRT-PCR. The potential relationship between Loc554202 levels and clinicopathological features of CRC Kaplan-Meier curves and multivariate Cox proportional models were used to study the impact on clinical outcome...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27822419/lncrna-crnde-promotes-hepatic-carcinoma-cell-proliferation-migration-and-invasion-by-suppressing-mir-384
#20
Zili Chen, Chao Yu, Lei Zhan, Yaozhen Pan, Ling Chen, Chengyi Sun
Studies have found that colorectal neoplasia differentially expressed (CRNDE) is related to cancer development. Herein, we found that the expression of CRNDE was increased in human hepatic carcinoma (HCC) tissues and cell lines. The ROC curve analysis illustrated CRNDE has a significant diagnostic value for HCC. At the same time, CRNDE promotes HCC cell proliferation, migration, and invasion in vitro. Quantitative real-time polymerase chain reaction (PCR) demonstrated that miR-384 was significantly downregulated in HCC tissues...
2016: American Journal of Cancer Research
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