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Yuan Ren, Nan Ji, Xixiong Kang, Renzhi Wang, Wenbin Ma, Zhenjun Hu, Xingfeng Liu, Yajie Wang
Glioblastoma is a highly vascularized brain tumor that causes high mortality. Kininogen-1 (KNG1) has demonstrated both tumor suppressor and antiangiogenesis properties in gliobastoma cells. We analyzed the microarray and proteomic profiles of tumor tissues from glioblastoma patients (N = 180), and identified potential RNA regulators of the KNG1. Validation experiments in U87 glioblastoma cells showed that the regulation of KNG1 by CTU1, KIAA1274, and RAX was mediated by miR-138. The siRNA-mediated knockdown of CTU1, KIAA1274, or RAX in U87 cells and immortalized human endothelial cells (iHECs) significantly reduced KNG1 expression (P < 0...
October 14, 2016: Oncotarget
Hao Li, Jizong Zhao, Wen Wang, Lu Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
BACKGROUND: Intracranial aneurysm (IA) is a cerebrovascular disorder characterized by an abnormally bulged artery in the brain and subarachnoid hemorrhage caused by IA rupture with a high ratio of fatality and morbidity. However, the genetic etiology of IA remains largely unknown. MATERIALS AND METHODS: A dysregulated lncRNA-associated competing endogenous RNA (ceRNA) network was constructed by utilizing sample-matched microRNA (miRNA), long non-coding RNA (lncRNA) and mRNA expression profiles in 12 saccular IA samples and paired control arteries...
October 14, 2016: World Neurosurgery
Lenka Sochorová, Lenka Hanzlíková, Milena Černá, Anna Drgáčová, Alena Fialová, Andrea Švarcová, Tomáš Gramblička, Jana Pulkrabová
Persistent organic pollutants, such as perfluorinated alkylated substances (PFASs) and brominated flame retardants (BFRs) are widespread in the environment and most of them are bioaccumulated in wildlife and humans. The present study is the first investigation to reveal the PFAS and BFR levels of serum samples in the adult population of the Czech Republic. Altogether, 300 serum samples from blood donors in four cities were examined. In all samples 19 PFASs and 33 BFRs, including some of their metabolites, were targeted...
September 28, 2016: International Journal of Hygiene and Environmental Health
Kamalika Sen, Arijita Sarkar, Ranjan Kumar Maji, Zhumur Ghosh, Sanjib Gupta, Tapash Chandra Ghosh
Chronic myelogenous leukemia (CML) is a myeloproliferative disorder characterized by increased proliferation or abnormal accumulation of granulocytic cell line without the depletion of their capacity to differentiate. A reciprocal chromosomal translocation proceeding to the 'Philadelphia chromosome', involving the ABL proto-oncogene and BCR gene residing on Chromosome 9 and 22 respectively, is observed to be attributed to CML pathogenesis. Recent studies have been unraveling the crucial role of genomic 'dark matter' or the non-coding repertoire in cancer initiation and progression...
October 12, 2016: Molecular BioSystems
Shou-Hua Wang, Fei Ma, Zhao-Hui Tang, Xiao-Cai Wu, Qiang Cai, Ming-Di Zhang, Ming-Zhe Weng, Di Zhou, Jian-Dong Wang, Zhi-Wei Quan
BACKGROUND: Long non-coding RNA (lncRNA) H19 has been reported to involve in many kinds of human cancers and functions as an oncogene. Our previous study found that H19 was over-expressed in gallbladder cancer (GBC) and was shown to promote tumor development in GBC. However, the competing endogenous RNA (ceRNA) regulatory network involving H19 in GBC progression has not been fully elucidated. We aim to detect the role of H19 as a ceRNA in GBC. METHODS AND RESULTS: In this study, the expression of H19 and miR-342-3p were analyzed in 35 GBC tissues and matched normal tissues by using quantitative polymerase chain reaction (qRT-PCR)...
October 3, 2016: Journal of Experimental & Clinical Cancer Research: CR
Lucie Cerna, Petra Maresova
BACKGROUND: The incidence of diabetes is rising across the world. This global problem significantly affects the economic and social development in the 21st century. If the disease is diagnosed in time, the number of complications as well as the costs of therapy will be lower. Modern technologies permeate all spheres of medicine, and diabetes treatment is no exception. Therefore, the aim of this article is to analyze patients' attitudes to the use of modern technologies in the treatment of diabetes (type 1 diabetes mellitus [T1DM] and type 2 diabetes mellitus [T2DM])...
2016: Patient Preference and Adherence
Davide S Sardina, Salvatore Alaimo, Alfredo Ferro, Alfredo Pulvirenti, Rosalba Giugno
Posttranscriptional cross talk and communication between genes mediated by microRNA response element (MREs) yield large regulatory competing endogenous RNA (ceRNA) networks. Their inference may improve the understanding of pathologies and shed new light on biological mechanisms. A variety of RNA: messenger RNA, transcribed pseudogenes, noncoding RNA, circular RNA and proteins related to RNA-induced silencing complex complex interacting with RNA transfer and ribosomal RNA have been experimentally proved to be ceRNAs...
September 26, 2016: Briefings in Bioinformatics
Changjie Jiao, Zhiming Song, Jianming Chen, Jing Zhong, Weibin Cai, Suke Tian, Songlin Chen, Yunfeng Yi, Yun Xiao
Esophageal cancer (EC) is one of the most common gastrointestinal cancers, which leads to the sixth ranking of cancer-related death. Long non-coding RNAs (lncRNAs) play pivotal roles in many biological processes. lncRNA human urothelial carcinoma associated 1 (UCA1) is significantly upregulated and functions as an important oncogene in many types of human cancers. However, the role of UCA1 in EC and its underlying mechanism remains unclear. In the present study, we demonstrated that UCA1 was significantly upregulated in EC tissues and associated with poor prognosis...
September 22, 2016: Oncology Reports
Chu-Hai Xie, Yan-Ming Cao, Yan Huang, Qun-Wei Shi, Jian-Hong Guo, Zi-Wen Fan, Ju-Gen Li, Bin-Wei Chen, Bo-Yi Wu
Recent studies have shown that long non-coding RNAs (lncRNAs) have critical roles in tumorigenesis, including osteosarcoma. The lncRNA taurine-upregulated gene 1 (TUG1) was reported to be involved in the progression of osteosarcoma. Here, we investigated the role of TUG1 in osteosarcoma cells and the underlying mechanism. TUG1 expression was measured in osteosarcoma cell lines and human normal osteoblast cells by quantitative real-time PCR (qRT-PCR). The effects of TUG1 on osteosarcoma cells were studied by RNA interference in vitro and in vivo...
September 22, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Lionello Bossi, Nara Figueroa-Bossi
Many bacterial regulatory small RNAs (sRNAs) have several mRNA targets, which places them at the centre of regulatory networks that help bacteria to adapt to environmental changes. However, different mRNA targets of any given sRNA compete with each other for binding to the sRNA; thus, depending on relative abundances and sRNA affinity, competition for regulatory sRNAs can mediate cross-regulation between bacterial mRNAs. This 'target-centric' perspective of sRNA regulation is reminiscent of the competing endogenous RNA (ceRNA) hypothesis, which posits that competition for a limited pool of microRNAs (miRNAs) in higher eukaryotes mediates cross-regulation of mRNAs...
September 19, 2016: Nature Reviews. Microbiology
Milena Černá, Vladimíra Puklová, Lenka Hanzlíková, Lenka Sochorová, Růžena Kubínová
Since 1991 a human biomonitoring network has been established in the Czech Republic as part of the Environmental Health Monitoring System, which was set out by the Government Resolution. During the last quarter-century, important data was obtained to characterize exposure to both children and adult populations to significant toxic substances from the environment, to development trends over time, to establish reference values and compare them with existing health-related values. Moreover, the saturation of population with several essential substances as selenium, zinc, copper or iodine has also been monitored...
September 3, 2016: International Journal of Hygiene and Environmental Health
Ben Yue, Donglan Cai, Chenchen Liu, Changyi Fang, Dongwang Yan
Long noncoding RNAs act as crucial regulators in plenty of human cancers, yet their potential roles and molecular mechanisms in chemoresistance are poorly understood. This study showed that a novel lncRNA, long intergenic noncoding RNA 152 (Linc00152 ), promoted tumor progression and conferred resistance to oxaliplatin (L-OHP)-induced apoptosis in vitro and in vivo. It antagonized chemosensitivity through acting as a competing endogenous RNA to modulate the expression of miR-193a-3p, and then erb-b2 receptor tyrosine kinase 4 (ERBB4)...
October 18, 2016: Molecular Therapy: the Journal of the American Society of Gene Therapy
Kun Zhang, Qi Li, Xixiong Kang, Yajie Wang, Shuo Wang
Glioblastoma multiforme (GBM) is the most common brain malignancy. Long non-coding RNAs (lncRNAs) are aber-rantly expressed in many cancers and involved in pathogenesis, progression and metastasis of tumors. In particular, lncRNAs can function as competing endogenous RNAs (ceRNAs). The functional roles of lncRNA associated-ceRNAs in GBM are not fully understood. Human Exon 1.0 Microarray (Affymetrix) and Human MicroRNA Microarray (Agilent) were used to detect the expression of 955 microRNAs (miRNAs), 33,125 lncRNAs, and 17,453 mRNAs in 8 GBM and 8 normal brain samples...
September 5, 2016: Oncology Reports
Jing Lv, Hong-Xia Fan, Xiao-Pei Zhao, Ping Lv, Jing-Yi Fan, Yi Zhang, Min Liu, Hua Tang
HBV infection has been reported to be closely associated with HCC development; however, the underlying mechanisms are unclear. Emerging evidence has indicated that long non-coding RNAs (lncRNAs) play important regulatory roles in the pathogenesis and progression of cancers. To investigate the important role and mechanism of lncRNAs in the progression of HBV-related HCC, we screened lncRNAs in HBV-positive and HBV-negative HCC tissues. We identified a novel lncRNA, lncRNA-Unigene56159, which is highly expressed in HBV-related HCC tissues, and further analysis showed that this lncRNA was induced by HBV in vitro...
September 3, 2016: Cancer Letters
Roberto Arredondo Valdés, Juan C Delgado Ortiz, Mariana Beltrán Beache, Julia Anguiano Cabello, Ernesto Cerna Chávez, Yolanda Rodríguez Pagaza, Yisa M Ochoa Fuentes
Huanglongbing (HLB) is the most destructive disease of citrus worldwide. Monitoring of health and detection of diseases in trees is critical for sustainable agriculture. HLB symptoms are virtually the same wherever the disease occurs. The disease is caused by Candidatus Liberibacter spp., vectored by the psyllids Diaphorina citri Kuwayama and Trioza erytreae. Electron microscopy was the first technique used for HLB detection. Nowadays, scientists are working on the development of new techniques for a rapid HLB detection, as there is no sensor commercially accessible for real-time assessment of health conditions in trees...
October 2016: Canadian Journal of Microbiology
Juan C Delgado-Ortiz, Yisa M Ochoa-Fuentes, Ernesto Cerna-Chávez, Mariana Beltrán-Beache, Raúl Rodríguez-Guerra, Luis A Aguirre-Uribe, Otilio Vázquez-Martínez
Garlic in Mexico is one of the most profitable vegetable crops, grown in almost 5,451ha; out of which more than 83% are located in Zacatecas, Guanajuato, Sonora, Puebla, Baja California and Aguascalientes. Blossom-end rot caused by Fusarium spp is widely distributed worldwide and has been a limiting factor in onion and garlic production regions, not only in Mexico but also in other countries. The presence of Fusarium oxysporum has been reported in Guanajuato and Aguascalientes. Fusarium culmorum has been reported in onion cultivars of Morelos; and Fusarium proliferatum, Fusarium verticillioides, Fusarium solani and Fusarium acuminatum have been previously reported in Aguascalientes...
July 2016: Revista Argentina de Microbiología
Xiaomei Sun, Mingxun Li, Yujia Sun, Hanfang Cai, Xianyong Lan, Yongzhen Huang, Yueyu Bai, Xinglei Qi, Hong Chen
Pervasive transcription of the mammalian genome generates numerous long noncoding RNAs (lncRNAs), which are of crucial importance in diverse biological processes. Recent advances in high throughput sequencing technology have helped to accelerate the pace of lncRNAs discovery. However, no study on the overall expression patterns of lncRNAs during muscle development has been conducted. We reported here the first analysis of lncRNAs landscape in bovine embryonic, neonatal and adult skeletal muscle using Ribo-Zero RNA-Seq, a technology which can capture both poly(A)(+) and poly(A)(-) transcripts...
August 30, 2016: Biochimica et Biophysica Acta
Daniel Sánchez-Taltavull, Matthew MacLeod, Theodore J Perkins
MOTIVATION: In competitive endogenous RNA (ceRNA) networks, different mRNAs targeted by the same miRNA can 'cross-talk' by absorbing miRNAs and relieving repression on the other mRNAs. This creates correlations in mRNA expression even without direct interaction. Most previous theoretical study of cross-talk has focused on correlations in stochastic fluctuations of mRNAs around their steady state values. However, the experimentally known examples of cross-talk do not involve single-cell fluctuations, but rather bulk tissue-level changes between conditions, such as due to differentiation or disease...
September 1, 2016: Bioinformatics
Yunpeng Zhang, Yanjun Xu, Li Feng, Feng Li, Zeguo Sun, Tan Wu, Xinrui Shi, Jing Li, Xia Li
Recent studies indicate that long noncoding RNAs (lncRNAs) can act as competing endogenous RNAs (ceRNAs) to indirectly regulate mRNAs through shared microRNAs, which represents a novel layer of RNA crosstalk and plays critical roles in the development of tumor. However, the global regulation landscape and characterization of these lncRNA related ceRNA crosstalk in cancers is still largely unknown. Here, we systematically characterized the lncRNA related ceRNA interactions across 12 major cancers and the normal physiological states by integrating multidimensional molecule profiles of more than 5000 samples...
August 26, 2016: Oncotarget
Pavel Stopka, Barbora Kuntová, Petr Klempt, Leona Havrdová, Martina Černá, Romana Stopková
Chemical communication is mediated by sex-biased signals abundantly present in the urine, saliva and tears. Because most studies concentrated on the urinary signals, we aimed to determine the saliva proteome in wild Mus musculus musculus, to extend the knowledge on potential roles of saliva in chemical communication. We performed the gel-free quantitative LC-MS/MS analyses of saliva and identified 633 proteins with 134 (21%) of them being sexually dimorphic. They include proteins that protect and transport volatile organic compounds in their beta barrel including LCN lipocalins, major urinary proteins (MUPs), and odorant binding proteins (OBPs)...
2016: Scientific Reports
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