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lncRNA AND CANCER

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https://www.readbyqxmd.com/read/29667992/naked-eye-and-electrochemical-detection-of-isothermally-amplified-hotair-long-non-coding-rna
#1
Md Nazmul Islam, Sofia Moriam, Muhammad Umer, Hoang-Phuong Phan, Carlos Salomon, Richard Kline, Nam-Trung Nguyen, Muhammad J A Shiddiky
An inexpensive, simple and rapid sensor platform capable of detecting cancer-related long non-coding RNA (lncRNA) with high accuracy is of great interest in the field of molecular diagnostics. Herein, we report on the development of a new colorimetric and electrochemical assay platform for long non-coding HOX transcript antisense intergenic RNA (HOTAIR) detection. Isothermal reverse transcription-recombinase polymerase amplification (RT-RPA) was performed to amplify HOTAIR sequences from a RNA pool extracted from a designated number of ovarian cancer cells and a small cohort of plasma samples derived from patients with ovarian cancer...
April 18, 2018: Analyst
https://www.readbyqxmd.com/read/29667771/long-non-coding-rna-snhg14-contributes-to-gastric-cancer-development-through-targeting-mir-145-sox9-axis
#2
Zhao Liu, Yan Yan, Sizhe Cao, Yi Chen
This study aimed to elucidate the roles of long non-coding RNA SNHG14 in gastric cancer development. LncRNA SNHG14 was markedly up-regulated in gastric cancer tissues and cells. Knockdown of SNHG14 significantly inhibited SGC-7901 cell viability, migration, invasion, and promoted cell apoptosis. In addition, miR-145 was negatively regulated by SNHG14 and the effects of SNHG14 knockdown on cell viability, apoptosis, migration, invasion, and the expression of apoptosis-related proteins and EMT-markers were reversed by inhibition of miR-145 at the same time...
April 18, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29667486/lncrna-adpgk-as1-promotes-pancreatic-cancer-progression-through-activating-zeb1-mediated-epithelial-mesenchymal-transition
#3
Suzhen Song, Weihua Yu, Sen Lin, Mingbao Zhang, Teng Wang, Shuang Guo, Hongbo Wang
OBJECTIVE: This study was conducted to investigate the effects of ADP dependent glucokinase antisense RNA 1 (ADPGK-AS1)/ miR-205-5p/ zinc finger E-box binding homeobox 1 (ZEB1) on PC cells. METHODS: Differentially expressed lncRNAs and miRNAs in pancreatic cancer (PC) were identified by microarray analysis. In silico ceRNA analysis was conducted to find out the interactions among lncRNAs, miRNAs and mRNAs. Quantitative real-time PCR (qRT-PCR) was utilized to examine the expression of miR-205-5p and lncRNA ADPGK-AS1 in PC and non-cancerous cells...
April 18, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29665941/-research-on-ralation-of-long-non-coding-rna-with-diffuse-large-b-cell-lymphomas-review
#4
Yan-Yuan Wu, Yi-Ran Xing, Duo-Nan Yu
Diffuse large B-cell lymphoma (DLBCL) accounts for approximately 30% of the non-Hodgkin's lymphoma patients. The underlying molecular mechanism of its pathogenesis is not well defined and the survival rate of DLBCL patients is very low. Moreover, the annual incidence and mortality of DLBCL is still rising. Accordingly, identification and characterization of new molecular pathways of DLBCL will lead to the development of novel diagnostic markers and molecular therapeutic targets. Long non-coding RNAs (LncRNA) are non-coding RNAs with a length greater than 200 bp in eukaryotic cells, which can regulate the expression of their target genes at the transcriptional and post transcriptional levels...
April 2018: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/29663359/lncrna-dgcr5-contributes-to-csc-like-properties-via-modulating-mir-330-5p-cd44-in-nsclc
#5
Ren Wang, Hui-Xing Dong, Jian Zeng, Jing Pan, Xiao-Yan Jin
Non-coding RNAs can exert significant roles various cancers, including NSCLC. Previously, we indicated that lncRNA DGCR5 can promote lung cancer progression through inhibiting hsa-mir-22-3p. In our current study, we investigated the role of DGCR5 in cancer stem cell-like properties of NSCLC. CSCs have been recognized as the frequent cause of tumor metastasis, tumor recurrence, and chemotherapy resistance. Here, lung cancer stem cells were successfully enriched from the parental NSCLC A549, H460, and H1299 cells by using tumor sphere formation assays and side population (SP) assays...
April 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29657927/gene-expression-analysis-of-two-epithelial-mesenchymal-transition-related-genes-long-noncoding-rna-atb-and-setd8-in-gastric-cancer-tissues
#6
Nooshin Nourbakhsh, Modjtaba Emadi-Baygi, Rasoul Salehi, Parvaneh Nikpour
Background: Cancer is the second cause of death after cardiovascular diseases worldwide. Tumor metastasis is the main cause of death in patients with cancer; therefore, unraveling the molecular mechanisms involved in metastasis is critical. Epithelial-mesenchymal transition (EMT) is believed to promote tumor metastasis. Based on the critical roles of long noncoding RNA-ATB ( lncRNA-ATB ) and SETD8 genes in cancer pathogenesis and EMT, in this study, we aimed to assess expression profile and clinicopathological relevance of these two genes in human gastric cancer...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29657301/unravelling-the-long-non-coding-rna-profile-of-undifferentiated-large-cell-lung-carcinoma
#7
Sudhanshu Shukla
Undifferentiated large cell lung carcinoma (LCLC) accounts for 2.9-9% of total lung cancers. Recently, RNA-seq based studies have revealed major genomic aberrations in LCLC. In this study, we aim to identify long non-coding RNAs (LncRNAs) expression pattern specific to LCLC. The RNA-seq profile of LCLC and other non-small cell lung carcinoma (NSCLC) was downloaded from Gene Expression Omnibus (GEO) and analyzed. Using 10 LCLC samples, we found that 18% of all the annotated LncRNAs are expressed in LCLC samples...
February 5, 2018: Non-Coding RNA
https://www.readbyqxmd.com/read/29657295/expression-profiling-identifies-the-noncoding-processed-transcript-of-hnrnpu-with-proliferative-properties-in-pancreatic-ductal-adenocarcinoma
#8
Dhruvitkumar S Sutaria, Jinmai Jiang, Ana Clara P Azevedo-Pouly, Eun Joo Lee, Megan R Lerner, Daniel J Brackett, Jo Vandesompele, Pieter Mestdagh, Thomas D Schmittgen
A gene array was used to profile the expression of 22,875 long non-coding RNAs (lncRNAs) and a large number of protein coding genes in 47 specimens of pancreatic ductal adenocarcinoma (PDAC), adjacent benign pancreas and the pancreas from patients without pancreatic disease. Of the lncRNAs profiled, the expression of 126 were significantly increased and 260 were decreased in the tumors ( p < 0.05, 2-fold). The expression of one lncRNA in particular, heterogeneous nuclear ribonucleoprotein U (HNRNPU) processed transcript (also known as ncRNA00201) was among the most significantly deregulated (increased four-fold) in the tumors compared to normal/adjacent benign tissues...
August 25, 2017: Non-Coding RNA
https://www.readbyqxmd.com/read/29656793/long-noncoding-rna-vim-as1-promotes-colorectal-cancer-progression-and-metastasis-by-inducing-emt
#9
Hajar Rezanejad Bardaji, Malek Hossein Asadi, Mohammad Mehdi Yaghoobi
Emerging evidence indicates that lncRNAs play crucial roles in the initiation and progression of various malignant tumors. VIM-AS1 RNA is an lncRNA that transcribes from a shared bidirectional promoter with vimentin mRNA and its function in cancer cells is largely unknown. This study assessed the clinical significance of VIM-AS1 expression in colorectal cancer (CRC). We found that the VIM-AS1 transcript was significantly upregulated in high-grade, lymph node metastasis and vascular invasion tumors. Loss-of-function experiments revealed that the downregulation of VIM-AS1 could inhibit tumor cell proliferation by inducing apoptosis, cellular senescence and arresting the cell cycle...
April 7, 2018: European Journal of Cell Biology
https://www.readbyqxmd.com/read/29655698/down-regulation-of-lncrna-gas5-decreases-chemotherapeutic-effect-of-dendrosomal-curcumin-dnc-in-breast-cancer-cells
#10
Mohammad Javad Dehghan Esmatabadi, Maryam Motamedrad, Majid Sadeghizadeh
BACKGROUND: Despite positive results obtained from anticancer activities of curcumin, there are some obstacles that limit its use as an anticancer agent. HYPOTHESIS/PURPOSE: Different methods such as employing the dendrosomal curcumin (DNC) were examined to overcome such problems. There is increasing evidence representing long non-coding RNAs play important roles in biological processes. In this study, we focused on the roles of GAS5 in the anti-cancer effects of DNC on breast cancer...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29653367/upregulation-of-lncrna-plncrna-1-indicates-the-poor-prognosis-and-promotes-glioma-progression-by-activation-of-notch-signal-pathway
#11
Xiaolong Wang, Yungang Yan, Chunman Zhang, Wei Wei, Xin Ai, Yongbin Pang, Ying Bian
Prostate cancer-up-regulated long noncoding RNA 1(PlncRNA-1) has been demonstrated to be increased in several cancers, which plays an oncogenic role in the development of cancer. However, the exact functions and molecular mechanism of PlncRNA-1 in the tumorigenesis of glioma has not been studied. In present work, we firstly identified that PlncRNA-1 expression levels were prominently augmented in glioma patient tissues and glioma cell lines compared with adjacent noncancerous tissue and normal cells, respectively...
April 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29653362/the-long-noncoding-rna-zfas1-facilitates-bladder-cancer-tumorigenesis-by-sponging-mir-329
#12
Jin-Shan Wang, Qing-Hong Liu, Xiao-Hua Cheng, Wen-Yuan Zhang, Yong-Chao Jin
The incidence and mortality rate of bladder cancer have dramatically expanded, so it's urgent to discover new biomarker and therapeutic target for bladder cancer. Recently, lncRNA has been identified as oncogene or tumor suppressor to regulate the tumorigenesis. LncRNA ZFAS1 has been confirmed as oncogene in various tumors. However, the expression, function, and underlying mechanism of ZFAS1 in bladder carcinogenesis have yet to be totally clarified. In the current study, our data demonstrated that ZFAS1 expression was significantly upregulated in bladder cancer tissues and cell lines...
April 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29653361/lncrna-asap1-it1-positively-modulates-the-development-of-cholangiocarcinoma-via-hedgehog-signaling-pathway
#13
Linqi Guo, Yu Zhou, Ying Chen, Huawei Sun, Yue Wang, Yikun Qu
Over the past decades, lncRNAs have attracted more and more attentions of researchers. It has been verified that lncRNAs can modulate multiple biological behaviors in various human cancers. LncRNA ASAP1-IT1 has been certified to be a tumor facilitator in several malignant tumors. This study aims to investigate the effects of dysregulated ASAP1-IT1 on biological processes of Cholangiocarcinoma. The high expression level of ASAP1-IT1 was tested in Cholangiocarcinoma tissues and cells with qRT-PCR. Upregulation of ASAP1-IT predicted the unfavorable prognosis for Cholangiocarcinoma patients...
April 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29651883/lncrna-dancr-promotes-lung-cancer-by-sequestering-mir-216a
#14
Qiang Zhen, Li-Na Gao, Ren-Feng Wang, Wei-Wei Chu, Ya-Xiao Zhang, Xiao-Jian Zhao, Bao-Lei Lv, Jia-Bao Liu
BACKGROUND: Long noncoding RNAs (lncRNAs) are a new class of cancer regulators. Here, we aimed to investigate the diagnostic and therapeutic values of an lncRNA, differentiation antagonizing noncoding RNA (DANCR), in lung cancer. METHODS: Real-time polymerase chain reaction was used to compare DANCR levels in normal and cancerous lung tissues as well as lung cancer cells. Lentiviral transduction was used to induce DANCR overexpression or silencing in vitro, followed by monitoring cell proliferation, colony formation, and changes in microRNA-216a (miR-216a) expression...
January 2018: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/29644006/the-long-non-coding-rna-hotair-is-transcriptionally-activated-by-hoxa9-and-is-an-independent-prognostic-marker-in-patients-with-malignant-glioma
#15
Ana Xavier-Magalhães, Céline S Gonçalves, Anne Fogli, Tatiana Lourenço, Marta Pojo, Bruno Pereira, Miguel Rocha, Maria Celeste Lopes, Inês Crespo, Olinda Rebelo, Herminio Tão, João Lima, Ricardo Moreira, Afonso A Pinto, Chris Jones, Rui M Reis, Joseph F Costello, Philippe Arnaud, Nuno Sousa, Bruno M Costa
The lncRNA HOTAIR has been implicated in several human cancers. Here, we evaluated the molecular alterations and upstream regulatory mechanisms of HOTAIR in glioma, the most common primary brain tumors, and its clinical relevance. HOTAIR gene expression, methylation, copy-number and prognostic value were investigated in human gliomas integrating data from online datasets and our cohorts. High levels of HOTAIR were associated with higher grades of glioma, particularly IDH wild-type cases. Mechanistically, HOTAIR was overexpressed in a gene dosage-independent manner, while DNA methylation levels of particular CpGs in HOTAIR locus were associated with HOTAIR expression levels in GBM clinical specimens and cell lines...
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29643973/epigenetic-versus-genetic-deregulation-of-the-keap1-nrf2-axis-in-solid-tumors-focus-on-methylation-and-noncoding-rnas
#16
REVIEW
F P Fabrizio, A Sparaneo, D Trombetta, L A Muscarella
Oxidative and electrophilic changes in cells are mainly coordinated by the KEAP1/NRF2 (Kelch-like erythroid-derived cap-n-collar homology- (ECH-) associated protein-1/nuclear factor (erythroid-derived 2)-like 2) axis. The physical interaction between these two proteins promotes the expression of several antioxidant defense genes in response to exogenous and endogenous insults. Recent studies demonstrated that KEAP1/NRF2 axis dysfunction is also strongly related to tumor progression and chemo- and radiotherapy resistance of cancer cells...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29643475/tumor-derived-exosomal-lnc-sox2ot-promotes-emt-and-stemness-by-acting-as-a-cerna-in-pancreatic-ductal-adenocarcinoma
#17
Zhonghu Li, Peng Jiang, Jie Li, Minjie Peng, Xin Zhao, Xi Zhang, Kai Chen, Yujun Zhang, Hui Liu, Lang Gan, Huaqiang Bi, Ping Zhen, Jin Zhu, Xiaowu Li
Long noncoding RNAs (lncRNAs) or exosomes have recently been shown to play vital regulatory or communication roles in cancer biology. However, the roles and mechanisms of exosomal lncRNAs in tumor invasion or metastasis of pancreatic ductal adenocarcinoma (PDAC) remain unknown. In this study, we aimed to investigate the detailed roles and mechanisms of tumor-generated exosomes in progression and metastasis of PDAC in vitro and in vivo. We identified a lncRNA-Sox2ot from exosomes of highly invasive PDAC cells, and analyzed the expression of Sox2ot in the plasma samples and found that the plasma exosomal Sox2ot expression was high and correlated with TNM stage and overall survival rate of PDAC patients...
April 12, 2018: Oncogene
https://www.readbyqxmd.com/read/29642935/sp1-induced-upregulation-of-lncrna-spry4-it1-exerts-oncogenic-properties-by-scaffolding-ezh2-lsd1-dnmt1-and-sponging-mir-101-3p-in-cholangiocarcinoma
#18
Yi Xu, Yue Yao, Xingming Jiang, Xiangyu Zhong, Zhidong Wang, Chunlong Li, Pengcheng Kang, Kaiming Leng, Daolin Ji, Zhenglong Li, Lining Huang, Wei Qin, Yunfu Cui
BACKGROUND: Accumulating evidence has indicated that long non-coding RNAs (lncRNAs) behave as a novel class of transcription products during multiple cancer processes. However, the mechanisms responsible for their alteration in cholangiocarcinoma (CCA) are not fully understood. METHODS: The expression of SPRY4-IT1 in CCA tissues and cell lines was determined by RT-qPCR, and the association between SPRY4-IT1 transcription and clinicopathologic features was analyzed...
April 11, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29642505/bmp9-promotes-the-proliferation-and-migration-of-bladder-cancer-cells-through-up-regulating-lncrna-uca1
#19
Liyao Gou, Mengyao Liu, Jing Xia, Qun Wan, Yayun Jiang, Shilei Sun, Min Tang, Lan Zhou, Tongchuan He, Yan Zhang
As the most common malignant tumor of the urinary system worldwide, the bladder tumor has a high mortality rate, which is mainly due to its onset of concealment. Therefore, research into novel diagnostic markers and treatment of bladder cancer is urgently needed. BMP9 (Bone morphogenetic protein 9) is a member of BMP, which belongs to the TGF-β (transforming growth factor-β) superfamily. It has been associated with multiple tumors. We found that BMP9 is highly expressed in bladder cancer cells and it could significantly promote the proliferation and migration of bladder cancer cells...
April 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29630113/lncrna-cche1-increased-proliferation-metastasis-and-invasion-of-non-small-lung-cancer-cells-and-predicted-poor-survival-in-non-small-lung-cancer-patients
#20
Y Liao, S Cheng, J Xiang, C Luo
OBJECTIVE: Lung cancer is common cancer worldwide. Non-small cell lung cancer (NSCLC) accounts for 85% of lung cancers. Thus, we studied whether long non-coding RNAs influence malignancy in NSCLC to discover new therapeutic targets for increasing the survival rate of NSCLC patients. lncRNA has been proven to be important in different cancer progression. In this study, we mainly focused on the role of lncRNA CCHE1 (cervical carcinoma high expressed 1) expressed PCNA regulatory lncRNA in NSCLC cancer...
March 2018: European Review for Medical and Pharmacological Sciences
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