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liver cancer lncRNA

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https://www.readbyqxmd.com/read/29790588/the-lncrna-casc9-and-rna-binding-protein-hnrnpl-form-a-complex-and-co-regulate-genes-linked-to-akt-signaling
#1
Marcel Klingenberg, Matthias Groß, Ashish Goyal, Maria Polycarpou-Schwarz, Thilo Miersch, Anne-Sophie Ernst, Jörg Leupold, Nitin Patil, Uwe Warnken, Heike Allgayer, Thomas Longerich, Peter Schirmacher, Michael Boutros, Sven Diederichs
The identification of viability-associated long non-coding RNAs (lncRNA) might be a promising rationale for new therapeutic approaches in liver cancer. Here, we applied the first RNAi screening approach in hepatocellular carcinoma (HCC) cell lines to find viability-associated lncRNAs. Among the multiple identified lncRNAs with a significant impact on HCC cell viability, we selected CASC9 (Cancer Susceptibility 9) due to the strength of its phenotype, expression, and upregulation in HCC versus normal liver. CASC9 regulated viability across multiple HCC cell lines as shown by CRISPR interference, single siRNA- and siPOOL-mediated depletion of CASC9...
May 23, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29780284/up-regulation-of-ctd-2547g23-4-in-hepatocellular-carcinoma-tissues-and-its-prospective-molecular-regulatory-mechanism-a-novel-qrt-pcr-and-bioinformatics-analysis-study
#2
Dong-Yue Wen, Peng Lin, Hai-Wei Liang, Xia Yang, Hai-Yuan Li, Yun He, Hong Yang, Gang Chen
Background: Dysregulated expression of long non-coding RNAs (lncRNAs) has been reported in the pathogenesis and progression of multiple cancers, including hepatocellular carcinoma (HCC). LncRNA CTD-2547G23.4 is a novel lncRNA, and its role in HCC is still unknown. Here, we aimed to clarify the expression pattern and clinical value of CTD-2547G23.4 and to investigate the prospective regulatory mechanism via bioinformatics analysis in HCC. Methods: To identify differentially expressed lncRNAs in HCC, we downloaded RNA-Seq data for HCC and adjacent non-tumour tissues via The Cancer Genome Atlas (TCGA)...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29776371/lncrna-tug1-promoted-kiaa1199-expression-via-mir-600-to-accelerate-cell-metastasis-and-epithelial-mesenchymal-transition-in-colorectal-cancer
#3
Junfeng Sun, Jiyi Hu, Guojun Wang, Zhen Yang, Chunlin Zhao, Xiefu Zhang, Jiaxiang Wang
BACKGROUND: LncRNA TUG1 has been reported to be highly expressed in CRC samples and cells and promoted metastasis by affecting EMT, indicating a poor prognosis for colorectal cancer (CRC). In this study, we determined the underlying mechanism for tumor oncogenesis of lncRNA TUG1 in CRC metastasis. METHODS: The expressions of miR-600 and KIAA1199 in 76 CRC patients and CRC cells and CRC metastatic tissues were determined using qRT-PCR. Epithelial-mesenchymal transition (EMT)-related proteins were determined using western blot...
May 18, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29765457/high-lncrna-hulc-expression-is-associated-with-poor-prognosis-and-promotes-tumor-progression-by-regulating-epithelial-mesenchymal-transition-in-prostate-cancer
#4
Pengyi Zheng, Huibing Li, Po Xu, Xiaohui Wang, Zhenguo Shi, Qingjiang Han, Zhijun Li
Introduction: Recently, increasing evidence has shown that long non-coding RNAs (lncRNAs) play critical roles in tumor progression and development. However, the expression pattern and biological function of lncRNA HULC (highly upregulated in liver cancer) in prostate cancer (PCa) remain largely unclear. Material and methods: The expression of lncRNA HULC in 53 paired PCa tissues and cell lines was detected by quantitative real-time polymerase chain reaction (qRT-PCR)...
April 2018: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29764463/lncmapk6-drives-mapk6-expression-and-liver-tic-self-renewal
#5
Guanqun Huang, Hui Jiang, Yueming He, Ye Lin, Wuzheng Xia, Yuanwei Luo, Min Liang, Boyun Shi, Xinke Zhou, Zhixiang Jian
BACKGROUND: Liver tumor initiating cells (TICs) have self-renewal and differentiate capacities, and largely contribute to tumor initiation, metastasis and drug resistance. MAPK signaling is a critical pathway in many biological processes, while its role in liver TICs hasn't been explored. METHODS: Online-available dataset was used for unbiased screening. Liver TICs were examined CD133 FACS or oncosphere formation. TIC self-renewal was detected by oncosphere formation and tumor initiation assay...
May 15, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29764424/long-non-coding-rna-neat1-modulated-abnormal-lipolysis-via-atgl-drives-hepatocellular-carcinoma-proliferation
#6
Xirui Liu, Yingjian Liang, Ruipeng Song, Guangchao Yang, Jihua Han, Yaliang Lan, Shangha Pan, Mingxi Zhu, Yao Liu, Yan Wang, Fanzheng Meng, Yifeng Cui, Jiabei Wang, Bo Zhang, Xuan Song, Zhaoyang Lu, Tongsen Zheng, Lianxin Liu
BACKGROUND: Abnormal metabolism, including abnormal lipid metabolism, is a hallmark of cancer cells. Some studies have demonstrated that the lipogenic pathway might promote the development of hepatocellular carcinoma (HCC). However, the role of the lipolytic pathway in HCC has not been elucidated. METHODS: We compared levels of adipose triglyceride lipase (ATGL) in human HCC and healthy liver tissues by real time PCR, western blot and immunohistochemistry. We measured diacylglycerol(DAG) and free fatty acid (FFA) levels in HCC cells driven by the NEAT1-ATGL axis and in HCC tissues...
May 15, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29728556/expression-of-the-long-intergenic-non-protein-coding-rna-665-linc00665-gene-and-the-cell-cycle-in-hepatocellular-carcinoma-using-the-cancer-genome-atlas-the-gene-expression-omnibus-and-quantitative-real-time-polymerase-chain-reaction
#7
Dong-Yue Wen, Peng Lin, Yu-Yan Pang, Gang Chen, Yun He, Yi-Wu Dang, Hong Yang
BACKGROUND Long non-coding RNAs (lncRNAs) have a role in physiological and pathological processes, including cancer. The aim of this study was to investigate the expression of the long intergenic non-protein coding RNA 665 (LINC00665) gene and the cell cycle in hepatocellular carcinoma (HCC) using database analysis including The Cancer Genome Atlas (TCGA), the Gene Expression Omnibus (GEO), and quantitative real-time polymerase chain reaction (qPCR). MATERIAL AND METHODS Expression levels of LINC00665 were compared between human tissue samples of HCC and adjacent normal liver, clinicopathological correlations were made using TCGA and the GEO, and qPCR was performed to validate the findings...
May 5, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29694502/lncrna-hulc-mediates-radioresistance-via-autophagy-in-prostate-cancer-cells
#8
Changxuan Chen, Kaizhen Wang, Qian Wang, Xin Wang
Prostate cancer (PCa) is the second leading cause of cancer death in men. Irradiation is one of the available options for treatment of PCa, however, approximately 10-45% of PCa are resistant to irradiation. We aimed to explore the role of long non-coding RNA highly upregulated in liver cancer (HULC) in the sensitivity of PCa cells to irradiation. Survival rate, cell apoptosis, cycle, expressions of related proteins, and caspase-3 activity were assessed to explore the effects of HULC on sensitivity of PCa cells to irradiation...
2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29693704/lncsox4-serves-an-oncogenic-role-in-the-tumorigenesis-of-epithelial-ovarian-cancer-by-promoting-cell-proliferation-and-inhibiting-apoptosis
#9
Yulan Liu, Yan Wang, Dongmei Yao, Diansheng Cui
Epithelial ovarian cancer is one of the primary causes of gynecological cancer mortality. Increasing evidence has suggested that long non‑coding RNAs (lncRNAs) may serve a pivotal role in cancer development. To determine whether Lnc SRY‑box 4 (SOX4), an lncRNA, promotes the self‑renewal of liver tumor cells and contributes to the development of epithelial ovarian cancer, the present study investigated the expression of LncSOX4 in clinical epithelial ovarian cancer tissues and non‑cancer controls by reverse transcription‑quantitative polymerase chain reaction analysis...
April 18, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29673421/long-noncoding-rna-linc01296-harbors-mir-21a-to-regulate-colon-carcinoma-proliferation-and-invasion
#10
Kecheng Wang, Meng Zhang, Cong Wang, Xiaofei Ning
Increasing evidences have demonstrated that aberrant expressions of long non-coding RNAs (lncRNAs) are closely correlated to various malignancies, as well as colon carcinoma (CC). The aim of this study was to investigate the role of lncRNA long intergenic noncoding RNA 001296 (LINC01296) in tumorigenesis of CC. The result of the quantitative real-time polymerase chain reaction (qRT-PCR) demonstrated that LINC01296 was upregulated in CC cancerous tissues and cell lines compared to adjacent normal tissue and normal liver cell lines...
April 19, 2018: Oncology Research
https://www.readbyqxmd.com/read/29669510/analysis-of-long-non-coding-rna-lncrna-expression-in-hepatitis-b-patients
#11
Sunde Yılmaz Susluer, Cagla Kayabasi, Besra Ozmen Yelken, Aycan Asik, Didem Celik, Tugce Balci Okcanoglu, Suheyla Serin Senger, Cigir Biray Avci, Sukran Kose, Cumhur Gunduz
Long non-coding RNAs (lncRNAs) have been implicated in numerous biological processes, including epigenetic regulation, cell-cycle control, and transcriptional/translational regulation of gene expression. Differential expression of lncRNAs and disruption of the regulatory processes are recognized as critical steps in cancer development. The role of lncRNAs in hepatitis B virus (HBV) infection is not well understood. Here we analyzed the expression of 135 lncRNAs in plasma samples of 82 HBV patients (classified as chronic patients, inactive carriers, or resolved patients) at diagnosis and at 12 months of treatment in relation to control group (81 healthy volunteers)...
April 19, 2018: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29590393/long-non-coding-rna-expression-profiles-reveals-ak098783-is-a-biomarker-to-predict-poor-prognosis-in-patients-with-colorectal-cancer
#12
Xiaoli Wang, Fen Liu, Xiaoyuan Liu, Fang Wang, Xiaoyu Liao, Yuanbin Chen, Yong Mao, Dong Hua, Xiaosong Ge
Background: Long non-coding RNAs (lncRNAs) have essential regulatory function, yet their roles in colorectal cancer (CRC) are not well understood. Materials and methods: Microarray was applied to detect lncRNAs expression profiles in tumor tissues, liver metastasis and paired adjacent normal tissues of CRC. And using RT-PCR to verify chip results. Results: A total of 10 680 lncRNAs demonstrated differential expressions (fold change ≥2) between tumor tissues and adjacent normal tissues; furthermore there were 2970 lncRNAs, which showed different expression level between CRC tissues with liver metastasis and adjacent normal tissues...
March 26, 2018: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29588366/the-long-noncoding-rna-lnczic2-drives-the-self-renewal-of-liver-tumor-initiating-cells-via-the-protein-kinase-c-substrates-marcks-and-marcksl1
#13
Zhenzhen Chen, Yating Liu, Lintong Yao, Shiying Guo, Yanfeng Gao, Pingping Zhu
Liver tumor-initiating cells (TICs) form small subsets of cells in hepatocellular tumors and account for tumorigenesis, metastasis, recurrence, and drug resistance. Recently, we found that the transcription factor Zic family member 2 (ZIC2) is highly expressed in liver TICs and required for their self-renewal. However, the molecular mechanisms underlying self-renewal of liver TICs remains unclear. Here, using expression profiling and CRISPR-interference assays with clinical samples of human liver cancers, we identified a long noncoding RNA (lncRNA), lncZic2, that is located near the ZIC2 locus and was highly expressed in liver cancer and liver TICs...
March 27, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29571247/comprehensive-analysis-and-experimental-verification-of-linc01314-as-a-tumor-suppressor-in-hepatoblastoma
#14
Benji Lv, Lianhai Zhang, Runchen Miao, Xiaohong Xiang, Shunbin Dong, Ting Lin, Ke Li, Qu Kai
Hepatoblastoma (HB), as a common pediatric liver malignancy, is composed of a variety of subgroups with different clinical outcomes. Long-noncoding RNA (lncRNA) has crucial roles in cancer biology. However, the association between lncRNA and HB has not been fully investigated. In this study, we screened lncRNA expression profiles that were annotated from the GSE75271 dataset. A total of 225 differentially expressed lncRNAs (DELs) were identified based on comparison between three prognostic subgroups, and seven of them (XR_241302, XR_923061, NR_038322, XR_951687, XR_934593, NR_120317 and XR_93406) that exhibited highly predictive accuracies were selected for functional analysis...
February 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29540185/linc00210-drives-wnt-%C3%AE-catenin-signaling-activation-and-liver-tumor-progression-through-ctnnbip1-dependent-manner
#15
Xiaomin Fu, Xiaoyan Zhu, Fujun Qin, Yong Zhang, Jizhen Lin, Yuechao Ding, Zihe Yang, Yiman Shang, Li Wang, Qinxian Zhang, Quanli Gao
BACKGROUND: Liver tumor initiating cells (TICs) have self-renewal and differentiation properties, accounting for tumor initiation, metastasis and drug resistance. Long noncoding RNAs are involved in many physiological and pathological processes, including tumorigenesis. DNA copy number alterations (CNA) participate in tumor formation and progression, while the CNA of lncRNAs and their roles are largely unknown. METHODS: LncRNA CNA was determined by microarray analyses, realtime PCR and DNA FISH...
March 14, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29535801/non-coding-rna-analysis-in-fibrolamellar-hepatocellular-carcinoma
#16
Benjamin A Farber, Gadi Lalazar, Elana P Simon, William J Hammond, David Requena, Umesh K Bhanot, Michael P La Quaglia, Sanford M Simon
Fibrolamellar hepatocellular carcinoma (FLC) is a rare primary liver cancer found in adolescents and young adults without underlying liver disease. A deletion of ~400 kD has been found in one copy of chromosome 19 in the tumor tissue of all patients tested. This produces a fusion of the genes DNAJB1 and PRKACA which, in turn, produces a chimeric transcript and protein. Transcriptomic analysis of the tumor has shown upregulation of various oncologically relevant pathways, including EGF/ErbB, Aurora Kinase A, pak21 and wnt...
February 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29535420/lncfzd6-initiates-wnt-%C3%AE-catenin-and-liver-tic-self-renewal-through-brg1-mediated-fzd6-transcriptional-activation
#17
Zhenzhen Chen, Yanfeng Gao, Lintong Yao, Yating Liu, Lan Huang, Zhongyi Yan, Wenshan Zhao, Pingping Zhu, Haibo Weng
Liver tumor-initiating cells (TICs), the drivers for liver tumorigenesis, accounts for liver tumor initiation, metastasis, drug resistance and relapse. Wnt/β-catenin signaling pathway emerges as a critical modulator in liver TIC self-renewal. However, the molecular mechanism of Wnt/β-catenin initiation in liver tumorigenesis and liver TICs is still elusive. Here, we examined the expression pattern of 10 Wnt receptors (FZD1-FZD10), and found only FZD6 is overexpressed along with liver tumorigenesis. What's more, a divergent lncRNA of FZD6, termed lncFZD6, is also highly expressed in liver cancer and liver TICs...
March 14, 2018: Oncogene
https://www.readbyqxmd.com/read/29523218/knockdown-of-urothelial-carcinoma-associated-1-suppressed-cell-growth-and-migration-through-regulating-mir-301a-and-cxcr4-in-osteosarcoma-mhcc97-cells
#18
Genglong Zhu, Xialei Liu, Yonghui Su, Fangen Kong, Xiaopeng Hong, Zhidong Lin
Liver cancer is one of the most common malignancies in the world with a leading cause of cancer-related mortality. Accumulating evidences have highlighted the critical role of long noncoding RNAs (lncRNAs) in various cancers. The present study aimed to explore the role of lncRNA urothelial carcinoma associated 1 (UCA1) in cell growth and migration in MHCC97 cells and its underlying mechanism. Firstly, we assessed the expression of UCA1 in MHCC97 and other three cell lines by qRT-PCR. Then, the expression of UCA1, miR-301a and CXCR4 in MHCC97 cells were altered by transient transfection...
March 9, 2018: Oncology Research
https://www.readbyqxmd.com/read/29449541/long-noncoding-rna-meg3-suppresses-liver-cancer-cells-growth-through-inhibiting-%C3%AE-catenin-by-activating-pkm2-and-inactivating-pten
#19
Qidi Zheng, Zhuojia Lin, Jie Xu, Yanan Lu, Qiuyu Meng, Chen Wang, Yuxin Yang, Xiaoru Xin, Xiaonan Li, Hu Pu, Xin Gui, Tianming Li, Wujun Xiong, Dongdong Lu
Maternally expressed gene 3 (MEG3) encodes an lncRNA which is suggested to function as a tumor suppressor and has been showed to involve in a variety of cancers. Herein, our findings demonstrate that MEG3 inhibits the malignant progression of liver cancer cells in vitro and in vivo. Mechanistically, MEG3 promotes the expression and maturition of miR122 which targets PKM2. Therefore, MEG3 decreases the expression and nuclear location of PKM2 dependent on miR122. Furthermore, MEG3 also inhibits CyclinD1 and C-Myc via PKM2 in liver cancer cells...
February 15, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29441951/lncrna-hulc-promotes-epithelial-and-smooth-muscle-like-differentiation-of-adipose-derived-stem-cells-by-upregulation-of-bmp9
#20
Yongwei Li, Zhengfei Shan, Bin Yang, Diandong Yang, Changping Men, Yuanshan Cui, Jitao Wu
AIMS: Adipose-derived stem cells (ADSCs), a source of mesenchymal stem cells, are able to differentiate into numerous cell lineages, including epithelial and smooth muscle cells. The use of ADSCs in tissue engineering technology has become the most promising therapeutic approach for urethral reconstruction. This study aimed to explore the effect of lncRNA highly upregulated in liver cancer (HULC) on the induction of ADSCs to differentiate into epithelial and smooth-muscle-like cells. METHODS: ADSCs were isolated from a male dog, and the expression of HULC in ADSCs was overexpressed by transfection with HULC expressing vector lentivirus...
January 2, 2018: Die Pharmazie
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