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colorectal cancer AND lncRNA

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
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...
November 24, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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
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
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
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
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
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
K Matsumura, Y Kawasaki, M Miyamoto, Y Kamoshida, J Nakamura, L Negishi, S Suda, T Akiyama
Long non-coding RNAs (lncRNAs) are frequently dysregulated in a variety of human cancers. However, their biological roles in these cancers remain incompletely understood. In this study, we analyze the gene expression profiles of colon cancer tissues and identify a previously unannotated lncRNA, FLJ39051, that we term GSEC (G-quadruplex-forming sequence containing lncRNA), as a lncRNA that is upregulated in colorectal cancer. We further demonstrate that knockdown of GSEC results in the reduction of colon cancer cell motility...
October 31, 2016: Oncogene
Kenzui Taniue, Akiko Kurimoto, Yasuko Takeda, Takeshi Nagashima, Mariko Okada-Hatakeyama, Yuki Katou, Katsuhiko Shirahige, Tetsu Akiyama
Wnt/β-catenin signaling plays a key role in the tumorigenicity of colon cancer. Furthermore, it has been reported that lncRNAs are dysregulated in several steps of cancer development. Here we show that β-catenin directly activates the transcription of the long noncoding RNA (lncRNA) ASBEL [antisense ncRNA in the ANA (Abundant in neuroepithelium area)/BTG3 (B-cell translocation gene 3) locus] and transcription factor 3 (TCF3), both of which are required for the survival and tumorigenicity of colorectal cancer cells...
October 21, 2016: Proceedings of the National Academy of Sciences of the United States of America
Juan Li, Yifan Lian, Changsheng Yan, Zeling Cai, Jie Ding, Zhonghua Ma, Peng Peng, Keming Wang
OBJECTIVES: Despite improvements in diagnosis and treatment, colorectal cancer (CRC) remains the third most common malignancy, and fourth-leading cause of cancer-related death worldwide, and has a particularly high incidence in Western countries. Recent studies have suggested that long non-coding RNAs (lncRNAs) compose a novel class of regulators of cancer biological processes, such as proliferation, apoptosis and metastasis. Here, we report that lncRNA FOXP4-AS1 acts as a functional oncogene in CRC pathogenesis...
October 27, 2016: Cell Proliferation
Masahisa Ohtsuka, Hui Ling, Cristina Ivan, Martin Pichler, Daisuke Matsushita, Matthew Goblirsch, Verena Stiegelbauer, Kunitoshi Shigeyasu, Xinna Zhang, Meng Chen, Fnu Vidhu, Geoffrey A Bartholomeusz, Yuji Toiyama, Masato Kusunoki, Yuichiro Doki, Masaki Mori, Shumei Song, Jillian R Gunther, Sunil Krishnan, Ondrej Slaby, Ajay Goel, Jaffer A Ajani, Milan Radovich, George A Calin
The clinical significance of long noncoding RNAs (lncRNAs) in colorectal cancer (CRC) remains largely unexplored. Here, we analyzed a large panel of lncRNA candidates with The Cancer Genome Atlas (TCGA) CRC dataset, and identified H19 as the most significant lncRNA associated with CRC patient survival. We further validated such association in two independent CRC cohorts. H19 silencing blocked G1-S transition, reduced cell proliferation, and inhibited cell migration. We profiled gene expression changes to gain mechanism insight of H19 function...
October 19, 2016: EBioMedicine
Xiangwei Sun, Yingying Hu, Liang Zhang, Changyuan Hu, Gangqiang Guo, Chenchen Mao, Jianfeng Xu, Sisi Ye, Guanli Huang, Xiangyang Xue, Aizhen Guo, Xian Shen
BACKGROUND: Colorectal cancer (CRC) is one of the deadliest tumours, but its pathogenesis remains unclear. The involvement of differentially expressed long non-coding RNAs (lncRNAs) in CRC tumorigenesis makes them suitable tumour biomarkers. METHODS/FINDINGS: Here, we screened 150 cases of CRC and 85 cases of paracancerous tissues in the GEO database for differentially expressed lncRNAs. The levels of lncRNA candidates in 84 CRC and paracancerous tissue samples were validated by qRT-PCR and their clinical significance was analyzed...
2016: PloS One
Ting Ma, Rui-Ping Wang, Xi Zou
BACKGROUND: As a member of non-coding RNAs family, long non-coding RNAs' functions in cancer needs to be further investigated. It has been indicated that the functions of Hox transcript antisense intergenic RNA (lncRNA: HOTAIR) include reprogramming chromatin organization and promoting tumor metastasis such as breast and colorectal tumor. The aim of this study is to investigate the functions of Hox in gastric cancer. METHODS: In the present study, the expression level of HOTAIR was determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR), 20 gastric cancer tissues and 20 normal tissues was included...
September 30, 2016: BMC Complementary and Alternative Medicine
Mingqi Li, Cheng Yang, Xin Liu, Liang Yuan, Fubin Zhang, Muhong Wang, Dazhuang Miao, Xinyue Gu, Shixiong Jiang, Binbin Cui, Jinxue Tong, Zhiwei Yu
Ephrin Type-A Receptor 3 (EphA3) belongs to the ephrin receptor subfamily of the protein tyrosine kinase family, and plays an important role in embryogenesis and neurogenesis. This study aimed to investigate the role of EphA3 in promoting malignant transformation of colorectal epithelial cells, and explore underlying molecular mechanisms. Colorectal cancer tissue specimens from 68 patients were analyzed for EphA3 expression. EphA3 expression levels were manipulated in rat colon epithelial cell lines. We found that EphA3 expression level in tumor tissues was associated with patient age (P = 0...
October 6, 2016: Cancer Letters
(no author information available yet)
The GMR editorial staff was alerted about some manuscripts that were found to be substantially equal. The Publisher and Editor decided to retract these articles in accordance with the recommendations of the Committee on Publication Ethics (COPE). After a thorough investigation, we have strong reason to believe that the peer review process was failure and, after review and contacting the authors, the editors of Genetics and Molecular Research decided to retract these articles. The authors and their institutions were advised of this serious breach of ethics...
September 30, 2016: Genetics and Molecular Research: GMR
Haiting Zhao, Renjun Peng, Qing Liu, Dingyang Liu, Peng Du, Jian Yuan, Gang Peng, Yiwei Liao
H19, one of the first found cancer-associated long non-coding RNAs (lncRNAs), is involved in the development and progression of many types of tumors. An aberrant expression of H19 was observed in hepatocellular carcinoma, cervical cancer, breast cancer, ovarian cancer, and colorectal cancer. However, the exact effects and molecular mechanisms of H19 in glioma progression are still unknown up to now. In this study, we investigated the role of H19 in human glioma cell lines and clinical tumor samples in order to determine the function of this molecule...
September 28, 2016: Archives of Biochemistry and Biophysics
Chuanxi Wang, Jinyu Yu, Yuping Han, Leping Li, Jie Li, Tao Li, Peng Qi
Colorectal cancer (CRC) is currently the most prevalent malignant cancer worldwide. However, there is a lack of efficient biomarkers for CRC screening. Accumulating evidence reveals that long non-coding RNAs (lncRNAs) detectable in serum are associated with the genesis and development of various types of cancer. Therefore, we examined the diagnostic ability of lncRNAs in blood samples from patients with CRC by evaluating the levels of 17 CRC- or gastrointestinal cancer-related lncRNAs in serum samples from 71 CRC patients and 70 healthy individuals using reverse transcription-quantitative polymerase chain reaction (RT-qPCR)...
September 23, 2016: Oncotarget
Qi Liao, Linbo Chen, Jianfa Liu, Tao Yang, Jincheng Li, Xiaohong Zhang, Jinshun Zhao
Colorectal cancer (CRC) is one of the most common and severe cancers worldwide. The occurrence of CRC is developed by accumulation of genetic and epigenetic alteration in colon cells. Work over the last decade has proposed that epigenetic changes such as DNA methylation, histone modification of protein coding genes play an important role in CRC development. However, the epigenetic pattern and features of lncRNAs in CRC were unclear. Here, we comprehensively analyze the patterns of DNA methylation, H3K4me3, H3K27me3 on both protein coding genes and lncRNAs...
September 15, 2016: Gene
Min Lu, Zhuo Liu, Bo Li, Gang Wang, Dechuan Li, Yuping Zhu
BACKGROUND: Long non-coding RNAs (lncRNAs) have been shown to have crucial regulatory roles in human cancer biology. LncRNA PANDAR is a novel identified lncRNA that was previously reported to be increased in various cancers; however, its effect in colorectal cancer (CRC) remains unknown. The aim of this study was to explore the expression and role of lncRNA PANDAR in CRC. METHODS: The expression of lncRNA PANDAR was examined in CRC samples and cell lines by qRT-PCR...
September 14, 2016: Journal of Cancer Research and Clinical Oncology
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