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non coding rna

María Andrea Hernández-Castañeda, Smart Mbagwu, Kehinde Adebayo Babatunde, Michael Walch, Luis Filgueira, Pierre-Yves Mantel
Malaria is a life-threatening disease caused by Plasmodium parasites, with P. falciparum being the most prevalent on the African continent and responsible for most malaria-related deaths globally. Several factors including parasite sequestration in tissues, vascular dysfunction, and inflammatory responses influence the evolution of the disease in malaria-infected people. P. falciparum-infected red blood cells (iRBCs) release small extracellular vesicles (EVs) containing different kinds of cargo molecules that mediate pathogenesis and cellular communication between parasites and host...
February 14, 2018: Journal of Visualized Experiments: JoVE
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
Naixiang Zhai, Yanqin Lu, Yanzhou Wang, Xiuzhi Ren, Jinxiang Han
Circular RNA (circRNA) is a non-linear form of RNA derived from exonic, intronic, and exon-intron gene regions. circRNAs are characterized by covalent closed loops, highly stable nuclease resistance, and specific expression in species and developmental stages. CircRNA molecules have been identified as playing roles in the regulation of cell transcription, transcriptional expression after translation, interactions with microRNAs, and protein coding. A high stability and tissue- and disease-specific expression allow circRNAs to serve as potential biomarkers both for diseases and prognosis...
February 2018: Intractable & Rare Diseases Research
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
Jun Li, Qian Li, Ling Chen, Yanli Gao, Bei Zhou, Jingyun Li
Infantile hemangioma (IH) is the most common vascular tumour in infants. The pathogenesis of IH is complex and poorly understood. Therefore, achieving a deeper understanding of IH pathogenesis is of great importance. Here, we used the Ribo-Zero RNA-Seq and HiSeq methods to examine the global expression profiles of protein-coding transcripts and non-coding RNAs, including miRNAs and lncRNAs, in IH and matched normal skin controls. Bioinformatics assessments including gene ontology (GO) and kyoto encyclopedia of genes and genomes (KEGG) pathway analyses were performed...
February 23, 2018: Oncotarget
Yuanyuan Wang, Jiaojiao Gu, Xiangde Lin, Wei Yan, Wenchao Yang, Guoyang Wu
Thyroid cancer is one of the most common types of cancer in the endocrine system. Among all types of thyroid cancer, papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer. Long non-coding RNA (lncRNA) BRAF-activated non-protein-coding RNA (BANCR) is a 688-bp-long nucleotide transcript, which was first identified in melanoma. The function of BANCR in thyroid cancer remains unclear. The aim of the present study was to investigate whether BANCR is involved in the development of thyroid cancer...
April 2018: Oncology Letters
Jie Peng, Fang Hou, Jun Feng, Shui-Xian Xu, Xiao-Yan Meng
Cervical cancer is one of the most malignant types of tumor and the fourth leading cause of cancer-associated mortality in females worldwide. High expression of brain cytoplasmic RNA 1 (BCYRN1) has been detected in various tumors. The present study aimed to investigate the effect of BCYRN1 in the viability and motility of cervical cancer, and the relevant mechanism. The results demonstrated that BCYRN1 was upregulated in cervical cancer tissues compared with normal tissues. Elevated levels of BCYRN1 were also detected in three human cervical cancer cell lines (SiHa, HeLa and CaSki) compared with non-cancerous ectocervical epithelial cell line (Ect1/E6E7)...
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
Chengliang Zhang, Yanfeng Zhang, Hong Zhu, Jiajia Hu, Zhongshang Xie
Cardiac fibrosis is associated with diverse heart diseases. In response to different pathological irritants, cardiac fibroblasts may be induced to proliferate and differentiate into cardiac myofibroblasts, thus contributing to cardiac fibrosis. TGF-β signaling is implicated in the development of heart failure through the induction of cardiac fibrosis. C-Ski, an inhibitory regulator of TGF-β signaling, has been reported to suppress TGF-β1-induced human cardiac fibroblasts' proliferation and ECM protein increase; however, the underlying molecular mechanism needs further investigation...
March 15, 2018: Cellular Signalling
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
Ruinian Zheng, Shunhuan Lin, Ling Guan, Huiling Yuan, Kejun Liu, Chun Liu, Weibiao Ye, Yuting Liao, Jun Jia, Ruopeng Zhang
Long non-coding RNA (lncRNA) is an important member of non-coding RNA family and emerging evidence has indicated that it plays a pivotal role in many physiological and pathological processes. The lncRNA X inactive specific transcript (XIST) is a potential tumour suppressor in some types of cancers. However, the expression and function of XIST in breast cancer remain largely unclear. The objective of this study was to evaluate the expression and biological role of XIST in breast cancer. The results showed that XIST was significantly down-regulated in breast cancer tissues and cell lines...
March 14, 2018: Biochemical and Biophysical Research Communications
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
Mikhail A Moldovan, Svetlana A Petrova, Mikhail S Gelfand
Riboswitches are conserved RNA structures located in non-coding regions of mRNA and able to bind small molecules (e.g. metabolites) changing conformation upon binding. This feature enables them to function as regulators of gene expression. The thiamin pyrophosphate (TPP) riboswitch is the only type of riboswitches found not only in bacteria, but also in eukaryotes - in plants, green algae, protists, and fungi. Two main mechanisms of fungal TPP riboswitch action, involving alternative splicing, have been established so far...
March 13, 2018: Fungal Genetics and Biology: FG & B
Rikki A M Brown, Michael R Epis, Jessica L Horsham, Tasnuva D Kabir, Kirsty L Richardson, Peter J Leedman
BACKGROUND: microRNAs (miRNAs) are short non-coding RNAs that fine-tune gene expression. The aberrant expression of miRNAs is associated with many diseases and they have both therapeutic and biomarker potential. However, our understanding of their usefulness is dependent on the tools we have to study them. Previous studies have identified the need to optimise and standardise RNA extraction methods in order to avoid biased results. Herein, we extracted RNA from murine lung, liver and brain tissues using five commercially available total RNA extraction methods...
March 16, 2018: BMC Biotechnology
Linjie Zhao, Wei Wang, Shuang Huang, Zhengnan Yang, Lian Xu, Qilian Yang, Xiu Zhou, Jinjin Wang, Qiuhong Shen, Chenlu Wang, Xiaobing Le, Min Feng, Nianxin Zhou, Wayne Bond Lau, Bonnie Lau, Shaohua Yao, Tao Yi, Xin Wang, Xia Zhao, Yuquan Wei, Shengtao Zhou
BACKGROUND: Ovarian cancer constitutes one of the most lethal gynecologic malignancies for females. Currently, early detection strategies and therapeutic options for ovarian cancer are far from satisfactory, leading to high diagnosis rates at late stages and disease relapses. New avenues of therapy are needed that target key processes in ovarian cancer progression. While a variety of non-coding RNAs have been proven to regulate ovarian cancer metastatic progression, the functional roles of RNA-binding proteins (RBPs) in this process are less well defined...
March 16, 2018: Genome Biology
Renata Gruszka, Magdalena Zakrzewska
The fundamental function of ribonucleic acids is to transfer genetic information from DNA to protein during translation process, however, this is not the only way connecting active RNA sequences with essential biological processes. Up until now, many RNA subclasses of different size, structure, and biological function were identified. Among them, there are non-coding single-stranded microRNAs (miRNAs). This subclass comprises RNAs of 19-25 nucleotides in length that modulate the activity of well-defined coding RNAs and play a crucial role in many physiological and pathological processes...
March 16, 2018: International Journal of Molecular Sciences
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