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long non-coding RNAs

Wilson Huanca-Mamani, Raúl Arias-Carrasco, Steffany Cárdenas-Ninasivincha, Marcelo Rojas-Herrera, Gonzalo Sepúlveda-Hermosilla, José Carlos Caris-Maldonado, Elizabeth Bastías, Vinicius Maracaja-Coutinho
Long non-coding RNAs (lncRNAs) have been defined as transcripts longer than 200 nucleotides, which lack significant protein coding potential and possess critical roles in diverse cellular processes. Long non-coding RNAs have recently been functionally characterized in plant stress-response mechanisms. In the present study, we perform a comprehensive identification of lncRNAs in response to combined stress induced by salinity and excess of boron in the Lluteño maize, a tolerant maize landrace from Atacama Desert, Chile...
March 20, 2018: Genes
Silvia Di Agostino, Fabio Valenti, Andrea Sacconi, Giulia Fontemaggi, Matteo Pallocca, Claudio Pulito, Federica Ganci, Paola Muti, Sabrina Strano, Giovanni Blandino
Over 70% of head & neck squamous cell carcinoma (HNSCC) patients carry TP53 oncogenic mutations. Here we studied the role of specific tumor-derived mutant p53 proteins in the aberrant transcription of long non-coding (lnc) MIR205HG gene in head and neck cancer cells. Methods: To understand the role of lncMIR205HG, that we showed to be transcriptionally regulated by mutant p53 in HNSCC, we have employed siRNA and shRNA in CAL27 and FaDu HNSCC cell lines to suppress p53 gene expression in ChIP assays and RT-qPCR...
2018: Theranostics
Ming Zhang, Xiaoming Chi, Na Qu, CongYing Wang
Non-alcoholic fatty liver disease and steatohepatitis (NAFLD and NASH) account for the majority of liver disease in industrialized countries. However, the pathogenesis still unclear. Long non-coding RNAs (lncRNAs) has been reported to be involved in various pathophysiological processes. Here, we reported a novel role of lncARSR in hepatic lipogenesis in NAFLD. The expression of lncARSR was induced both in NAFLD patients and mouse model, as well as in hepatocytes treated with fatty acid. Moreover, overexpression of lncARSR enhanced while knockdown of lncARSR ameliorated hepatic lipid accumulation in vivo and in vitro...
March 16, 2018: Biochemical and Biophysical Research Communications
Min Su, Heran Wang, Wenxiang Wang, Ying Wang, Linda Ouyang, Chen Pan, Longzheng Xia, Deliang Cao, Qianjin Liao
In order to maintain integrity of the genome, eukaryotic cells develop a complex DNA damage/repair response network, which can induce cell cycle arrest, apoptosis, or DNA repair. Chemo- and radiation therapies, which act primarily through the induction of DNA damage, are the most commonly used therapies for cancer. Impairment in the DNA damage response and repair system that protect cells from persistent DNA damage can affect the therapeutic efficacy of cancer. To date, accumulating evidence has suggested that long non-coding RNAs (lncRNAs) are involved in the regulation of the DNA damage/repair network...
March 15, 2018: Acta Biochimica et Biophysica Sinica
Xiuguo Yu, Jianpei Zhao, Yaguang He
PURPOSE: Recently, long noncoding RNAs (lncRNAs) have caught more attention for their role in tumor progression. Colon cancer is one of these ordinary malignant tumors. This study aimed to identify how lnc RNA PVT1 affects the progression of colon cancer. METHODS: PVT1 expression of both colon cancer cell tissue and 60 paired cancer and peri-tumoral tissue samples was detected by real-time quantitative polymerase chain reaction (RT-qPCR). The associations between lnc RNA PVT1 expression level and clinicopathological characteristics and patients' disease-free survival rate were evaluated...
January 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Wei Pang, Fu-Zhi Lian, Xue Leng, Shu-Min Wang, Yi-Bo Li, Zi-Yu Wang, Kai-Ren Li, Zhi-Xian Gao, Yu-Gang Jiang
A growing body of evidence has shown bisphenol A (BPA), an estrogen-like industrial chemical, has adverse effects on the nervous system. In this study, we investigated the transcriptional behavior of long non-coding RNAs (lncRNAs) and mRNAs to provide the information to explore neurotoxic effects induced by BPA. By microarray expression profiling, we discovered 151 differentially expressed lncRNAs and 794 differentially expressed mRNAs in the BPA intervention group compared with the control group. Gene ontology analysis indicated the differentially expressed mRNAs were mainly involved in fundamental metabolic processes and physiological and pathological conditions, such as development, synaptic transmission, homeostasis, injury, and neuroinflammation responses...
March 18, 2018: Environmental Science and Pollution Research International
Puneet, Hasan Raza Kazmi, Soni Kumari, Satendra Tiwari, A Khanna, Gopeshwar Narayan
Gastric cancer is one of the most common malignancy worldwide. The various genetic and epigenetic events have been found to be associated with its carcinogenesis. The epigenetic is a heritable and transient/reversible change in the gene expression that is not accompanied by modification in the DNA sequence. This event is characterized by the alteration in the promoter CpG island of the gene or histone modification. These events are associated with silencing of critical tumor suppressor gene and activation of oncogenes leading to carcinogenesis...
March 19, 2018: Pathology Oncology Research: POR
Fangfang Tao, Xinxin Tian, Zhiqian Zhang
Long non-coding RNAs (lncRNAs) have been reported to be of great importance in the formation and progression of a wide range of human carcinomas including prostate cancer (PCa). Among them, PCAT3 and PCAT9 have been identified as two prostate tissue-specific lncRNAs and are up-regulated in PCa. However, their roles in the biological characteristics of PCa have not been fully elucidated. In the present study, our data revealed that knockdown of PCAT3 and PCAT9 suppressed cellular proliferation, invasion, migration, angiogenesis and stemness in androgen-dependent LNCaP and 22Rv1 cells...
February 23, 2018: Oncotarget
Qiang Wang, Yiwan Teng, Rong Wang, Danni Deng, Yijie You, Ya Peng, Naiyuan Shao, Feng Zhi
Malignant glioma is one of the most common types of primary brain tumours. Long non-coding RNAs (lncRNAs) have recently emerged as a new class of therapeutic targets for many cancers. In this study, we aimed to explore the functional involvement of small nucleolar RNA host gene 14 (SNHG14) and its potential regulatory mechanism in glioma progression. SNHG14 was found to be downregulated in human glioma tissues and cell lines. SNHG14 significantly inhibited cell viability, reduced cell invasion, and induced apoptosis in glioma cell lines...
February 23, 2018: Oncotarget
Jiaming Huang, Tianyu Liu, Chunliang Shang, Yunhe Zhao, Wei Wang, Yanchun Liang, Luyan Guo, Shuzhong Yao
Long non-coding RNAs (lncRNAs) have been acknowledged to serve a significant role in cancer biology and abnormal expression in tumors is frequently observed. However, their mechanisms in cervical cancer remain unclear. With a genome-wide analysis of lncRNA expression in cervical cancer tissues, the present study aimed to identify lncRNA targets for the further study of cervical cancer. To elucidate the specific role of lncRNAs in the pathogenesis of this type of cancer, 6 cervical cancer samples paired with normal cervical tissues were obtained...
April 2018: Oncology Letters
Yang Guo, Ying Hu, Mingming Hu, Jiabei He, Baolan Li
Lung cancer is among the leading causes of cancer-associated mortality worldwide, with a low 5-year survival rate of 16.1%. However, the underlying molecular mechanisms behind lung cancer tumorigenesis remain largely unknown. Long non-coding RNAs (lncRNAs) have been demonstrated to serve a function in the tumorigenesis of multiple types of cancer. The objective of the present study was to identify the function of a newly identified lncRNA zinc finger E-box-binding homeobox 2 antisense RNA 1 (ZEB2-AS1) in human lung cancer...
April 2018: Oncology Letters
Rui Chen, Wenjia Xia, Xiaoxiao Wang, Mantang Qiu, Rong Yin, Siwei Wang, Xiaoxiang Xi, Jie Wang, Youtao Xu, Gaochao Dong, Lin Xu, Wei De
Esophageal cancer is one of the most common types of malignant tumors located within the digestive system, with >50% of esophageal cancer cases worldwide occurring in China. Recent studies have demonstrated that long non-coding RNAs (lncRNAs) are frequently dysregulated in cancer; however, few lncRNAs have been characterized in esophageal squamous cell carcinoma (ESCC). In the present study, a novel lncRNA, SET-binding factor 2 (SBF2) antisense RNA1 (SBF2-AS1) was exhibited in ESCC. Expression levels of SBF2-AS1 in ESCC and adjacent non-cancerous tissues were detected using the reverse transcription-quantitative polymerase chain reaction...
April 2018: Oncology Letters
Binod Aryal, Yajaira Suárez
The endothelial lining can be viewed as the first line of defense against risk factors of vascular disease. Endothelial dysfunction is regarded as an initial event for atherogenesis since defects in vascular integrity and homeostasis are responsible for lipid infiltration and recruitment of monocytes into the vessel wall. Monocytes-turned-macrophages, which possess astounding inflammatory plasticity, perpetuate chronic inflammation and growth of atherosclerotic plaques and, are therefore central for the pathogenesis of atherosclerosis...
March 15, 2018: Vascular Pharmacology
Yue Yao, Ping Gao, Lili Chen, Wei Wang, Jinchao Zhang, Qiang Li, Yi Xu
Recently, long noncoding RNAs (lncRNAs) have been emerged as pivotal regulators in various human cancers, including pancreatic ductal adenocarcinoma (PDAC). SPRY4-intronic transcript 1 (SPRY4-IT1) was reported to be upregulated in some kind of human cancers. Here, we elucidated the biological functions and possible clinical values of SPRY4-IT1 on PDAC. In present study, expression of SPRY4-IT1 in PDAC tissues and corresponding normal tissues were explored by qRT-PCR experiments. The link between SPRY4-IT1 expression levels and clinicopathological significance was further analyzed...
March 15, 2018: Gene
Jinyu Cao, Deyuan Zhang, Liangtao Zeng, Fanrong Liu
PURPOSE: Accumulating evidence indicates that long noncoding RNAs (lncRNAs) are aberrantly expressed in many cancer types, including hepatocellular carcinoma (HCC). lncRNA MYC-induced long non-coding RNA (MINCR) were revealed to be markedly up-regulated in gallbladder cancer and Burkitt lymphoma cells. However, the biological role and function of MINCR in HCC progression are still unknown. METHODS: The expression of MINCR in HCC tissues and cell lines was determined using quantitative real-time polymerase chain reaction assays...
March 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Kaitlyn R Scacalossi, Coen van Solingen, Kathryn J Moore
Non-coding RNAs, once considered "genomic junk", are now known to play central roles in the dynamic control of transcriptional and post-transcriptional gene expression. Long non-coding RNAs (lncRNAs) are an expansive class of transcripts broadly described as greater than 200 nucleotides in length. While most lncRNAs are species-specific, their lack of conservation does not imbue a lack of function. LncRNAs have been found to regulate numerous diverse biological functions, including those central to macrophage differentiation and activation...
March 13, 2018: Vascular Pharmacology
Lin Bai, Aihua Wang, Yali Zhang, Xiaofeng Xu, Xiao Zhang
Long non-coding RNAs (lncRNAs) are critical regulators in chemoresistance of various tumors including ovarian cancer. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) has been reported to be upregulated and contributed to ovarian cancer tumorigenesis. The aim of this study was to explore the roles of MALAT1 and the underlying molecular regulatory mechanism in the chemoresistance of ovarian cancer cells. Our data demonstrated that MALAT1 and Notch1 mRNA were upregulated in ovarian cancer tissues, as well as cisplatin (CDDP)-resistant ovarian cancer cells...
March 13, 2018: Experimental Cell Research
Yanlu Xiong, Tao Wang, Mingxing Wang, Jinbo Zhao, Xiaofei Li, Zhipei Zhang, Yongsheng Zhou, Jiabao Liu, Lintao Jia, Yong Han
Objectives: Non-small cell lung cancer (NSCLC) is associated with high morbidity and mortality, leading the understanding the pathogenesis paramount. Recent studies suggest that long non-coding RNAs (lncRNAs) play an important role in NSCLC. We conducted a systematic review to examine the relationship between lncRNAs and NSCLC. Materials and Methods: We calculated hazard ratios (HRs) and 95% confidence intervals (CIs) to estimate overall survival (OS), and odds ratios (ORs) and 95% CIs to assess clinicopathological parameters...
February 16, 2018: Oncotarget
Zhihong Feng, Baolong Wang
Bladder cancer is among the most frequent types of genitourinary malignancies and results in high morbidity and mortality. Despite considerable progress in methods of bladder cancer diagnosis and treatment, the detailed underlying molecular mechanisms of bladder cancer remain unclear, and the prognosis of patients remains poor. In the present study, the role of long non-coding (lnc)RNA hepatocyte nuclear factor 1A (HNF1A)-antisense RNA (AS)1 in bladder cancer progression was examined in vitro . HNF1A-AS1 was overexpressed in clinical bladder cancer tissues and cultured bladder cancer cells...
April 2018: Oncology Letters
Zhengting Chen, Xinyi Cai, Li Chang, Yaoxiong Xia, Li Wang, Yu Hou, Lan Li, Dingguo Pan, Furong Li, Shan Liu, Wei Xiong, Wenhui Li
Concurrent radiotherapy and chemotherapy is a widely used, comprehensive treatment for rectal cancer. By studying the impact of concurrent chemoradiotherapy on the invasion and migration of colorectal cancer (CRC) cells and researching the associated molecular mechanisms, the present study aimed to provide a novel method to improve the therapeutic effect of this treatment against CRC. Human HCT116 and HT29 CRC cells were simultaneously treated with 4 Gy of 6 MV X-rays and 10 µmol/l 5-fluorouracil to establish a residual cell model...
April 2018: Oncology Letters
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