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miRNA prediction

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https://www.readbyqxmd.com/read/28098906/mir%C3%A2-15a%C3%A2-5p-acts-as-an-oncogene-in-renal-cell-carcinoma
#1
Lu Jin, Yifan Li, Tao He, Jia Hu, Jiaju Liu, Mingwei Chen, Zeng Zhang, Yaoting Gui, Xiangming Mao, Shangqi Yang, Yongqing Lai
miRNAs have been reported to be involved in multiple cellular processes and the tumorigenesis of various cancers. miR‑15a‑5p (also termed miR‑15a) has previously been determined to be upregulated in renal cell carcinoma (RCC) by microarray profile. However, the expression and function of miR‑15a‑5p in RCC remain to be validated. In the present study, reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was performed to detect the expression levels of miR‑15a‑5p in RCC tissues and cells...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098882/downregulation-of-microrna%C3%A2-34b-is-responsible-for-the-elevation-of-blood-pressure-in-spontaneously-hypertensive-rats
#2
Fan Yang, Haiyu Li, Youyou Du, Qiangwei Shi, Luosha Zhao
The present study aimed to identify the microRNA (miRNA) responsible for the development of primary hypertension, and examine the downstream signaling pathway, which mediates the effect of the miRNA. Reverse transcription‑quantitative polymerase chain reaction analysis was performed to identify which miRNA may be involved in the pathogenesis of hypertension. In silico analysis and a luciferase assay were used to validate the target of the selected miRNA, and miRNA mimics and small interfering (si)RNA of the target were transfected into smooth muscle cells to examine its effect on the biological activity of the cells...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098858/mir-345-inhibits-tumor-metastasis-and-emt-by-targeting-irf1-mediated-mtor-stat3-akt-pathway-in-hepatocellular-carcinoma
#3
Miao Yu, Huanzhou Xue, Yadong Wang, Quan Shen, Qingfeng Jiang, Xiao Zhang, Ke Li, Meng Jia, Jiangkun Jia, Jian Xu, Yuwei Tian
MicroRNAs (miRNAs) have been reported to play critical roles in tumor progression including hepatocellular carcinoma (HCC). Thus, the underlying mechanisms need further investigation. Previous study reported that loss of miR-345 expression indicated a poor prognosis of HCC patients. This study evaluated whether loss of miR-345 could promote the tumor metastasis and epithelial-mesenchymal-transition (EMT) of HCC by targeting interferon regulatory factor 1 (IRF1)-mediated mTOR/STAT3/AKT signaling. Underexpression of miR-345 was identified in 65 cases of human HCC compared to matched tumor-adjacent tissues by qRT-PCR...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098823/integrative-mirna-gene-expression-analysis-enables-refinement-of-associated-biology-and-prediction-of-response-to-cetuximab-in-head-and-neck-squamous-cell-cancer
#4
Loris De Cecco, Marco Giannoccaro, Edoardo Marchesi, Paolo Bossi, Federica Favales, Laura D Locati, Lisa Licitra, Silvana Pilotti, Silvana Canevari
This paper documents the process by which we, through gene and miRNA expression profiling of the same samples of head and neck squamous cell carcinomas (HNSCC) and an integrative miRNA-mRNA expression analysis, were able to identify candidate biomarkers of progression-free survival (PFS) in patients treated with cetuximab-based approaches. Through sparse partial least square-discriminant analysis (sPLS-DA) and supervised analysis, 36 miRNAs were identified in two components that clearly separated long- and short-PFS patients...
January 14, 2017: Genes
https://www.readbyqxmd.com/read/28098189/global-identification-of-micrornas-associated-with-chlorantraniliprole-resistance-in-diamondback-moth-plutella-xylostella-l
#5
Bin Zhu, Xiuxia Li, Ying Liu, Xiwu Gao, Pei Liang
The diamondback moth (DBM), Plutella xylostella (L.), is one of the most serious cruciferous pests and has developed high resistance to most insecticides, including chlorantraniliprole. Previous studies have reported several protein-coding genes that involved in chlorantraniliprole resistance, but research on resistance mechanisms at the post-transcription level is still limited. In this study, a global screen of microRNAs (miRNAs) associated with chlorantraniliprole resistance in P. xylostella was performed...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096966/microrna-297a-regulates-vascular-calcification-by-targeting-fibroblast-growth-factor-23
#6
Shouhua Zheng, Shuijun Zhang, Yan Song, Wenzhi Guo, Wenlong Zhai, Xinguang Qiu, Jianhua Li
OBJECTIVES: Vascular calcification is one the major characteristics in patients with various types of chronic inflammatory disorders. MiRNAs have been shown to be involved in many normal biological functions as well as diseases; however, their role in vascular calcification has not received much attention. MATERIALS AND METHODS: In the current study, we built a vascular calcification rat model using vitamin D3 plus nicotine and analyzed miRNA expression profile by miRNA chip assay...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28096489/induced-packaging-of-cellular-micrornas-into-hiv-1-virions-can-inhibit-infectivity
#7
Hal P Bogerd, Edward M Kennedy, Adam W Whisnant, Bryan R Cullen
: Analysis of the incorporation of cellular microRNAs (miRNAs) into highly purified HIV-1 virions revealed that this largely, but not entirely, mirrored the level of miRNA expression in the producer CD4(+) T cells. Specifically, of the 58 cellular miRNAs detected at significant levels in the producer cells, only 5 were found in virions at a level 2- to 4-fold higher than that predicted on the basis of random cytoplasmic sampling. Of note, these included two miRNAs, miR-155 and miR-92a, that were reported previously to at least weakly bind HIV-1 transcripts...
January 17, 2017: MBio
https://www.readbyqxmd.com/read/28094285/urinary-exosomes-contain-micrornas-capable-of-paracrine-modulation-of-tubular-transporters-in-kidney
#8
Tannia Gracia, Xiaonan Wang, Ya Su, Elizabeth E Norgett, Timothy L Williams, Pablo Moreno, Gos Micklem, Fiona E Karet Frankl
Exosomes derived from all nephron segments are present in human urine, where their functionality is incompletely understood. Most studies have focused on biomarker discovery rather than exosome function. Through sequencing we identified the miRNA repertoire of urinary exosomes from healthy volunteers; 276 mature miRNAs and 345 pre-miRNAs were identified (43%/7% of reads). Among the most abundant were members of the miR-10, miR-30 and let-7 families. Targets for the identified miRNAs were predicted using five different databases; genes encoding membrane transporters and their regulators were enriched, highlighting the possibility that these miRNAs could modulate key renal tubular functions in a paracrine manner...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088955/-effect-of-kr%C3%A3-ppel-like-zinc-finger-transcription-factor-2-on-%C3%AE-glutamylcysteine-synthetase-in-bronchial-epithelial-cells-of-chronic-obstructive-pulmonary-disease
#9
J Li, A G Dai, C Y Huang, R C Hu
Objective: To research the regulation effects of Krüppel like zinc finger transcription factor 2 (KLF2) on γ-glutamylcysteine synthetase (γ-GCS) in airway epithelial cells of chronic obstructive pulmonary disease (COPD). Methods: (1) Human specimen experiment: lung tissue of pulmonary lobectomy patients with lung cancer with or without COPD was collected from Department of Thoracic Surgery of Hunan Cancer Hospital from December 2008 to December 2009. The patients were divided into COPD group and control group without COPD...
January 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28088539/the-dna-damage-response-of-c-elegans-affected-by-gravity-sensing-and-radiosensitivity-during-the-shenzhou-8-spaceflight
#10
Ying Gao, Dan Xu, Lei Zhao, Yeqing Sun
Space radiation and microgravity are recognized as primary and inevitable risk factors for humans traveling in space, but the reports regarding their synergistic effects remain inconclusive and vary across studies due to differences in the environmental conditions and intrinsic biological sensitivity. Thus, we studied the synergistic effects on transcriptional changes in the global genome and DNA damage response (DDR) by using dys-1 mutant and ced-1 mutant of C. elegans, which respectively presented microgravity-insensitivity and radiosensitivity when exposure to spaceflight condition (SF) and space radiation (SR)...
January 7, 2017: Mutation Research
https://www.readbyqxmd.com/read/28087842/novel-determinants-of-mammalian-primary-microrna-processing-revealed-by-systematic-evaluation-of-hairpin-containing-transcripts-and-human-genetic-variation
#11
Christine Anne Roden, Jonathan Gaillard, Shaveta Kanoria, William Rennie, Syndi Barish, Jijun Cheng, Wen Pan, Jun Liu, Chris Cotsapas, Ye Ding, Jun Lu
Mature microRNAs (miRNAs) are processed from hairpin-containing primary miRNAs (pri-miRNAs). However, rules that distinguish pri-miRNAs from other hairpin-containing transcripts in the genome are incompletely understood. By developing a computational pipeline to systematically evaluate 30 structural and sequence features of mammalian RNA hairpins, we report several new rules that are preferentially utilized in miRNA hairpins and govern efficient pri-miRNA processing. We propose that a hairpin stem length of 36+/-3nt is optimal for pri-miRNA processing...
January 13, 2017: Genome Research
https://www.readbyqxmd.com/read/28086873/cecal-micrornaome-response-to-salmonella-enterica-serovar-enteritidis-infection-in-white-leghorn-layer
#12
Guixian Wu, Yukai Qi, Xiaoyi Liu, Ning Yang, Guiyun Xu, Liying Liu, Xianyao Li
BACKGROUND: Salmonella enterica serovar Enteritidis (SE) is a food-borne pathogen and of great threat to human health through consuming the contaminated poultry products. MicroRNAs (miRNAs) play an important role in different biological activities and have been shown to regulate the innate immunity in the bacterial infection. The objective of this study is to identify miRNAs associated with SE infection in laying chicken cecum. RESULTS: Average number of reads of three libraries constructed from infected and non-infected chickens was 12,476,156 and 10,866,976, respectively...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086811/study-of-the-microrna-expression-profile-of-foreskin-derived-mesenchymal-stromal-cells-following-inflammation-priming
#13
Hussein Fayyad-Kazan, Mohammad Fayyad-Kazan, Bassam Badran, Dominique Bron, Laurence Lagneaux, Mehdi Najar
BACKGROUND: Due to their self-renewal capacity, multi-lineage potential, and immunomodulatory properties, mesenchymal stromal cells (MSCs) are an attractive tool for different therapeutic strategies. Foreskin (FSK), considered as a biological waste material, has already been shown to be a valuable source of MSCs. Besides their typical fibroblast like morphology and International Society for cellular Therapy compliant phenotype, foreskin-MSCs (FSK-MSCs) are clonogenic, and highly proliferative cells with multi-lineage and strong immunomodulatory capacities...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28086788/comprehensive-circrna-expression-profile-and-selection-of-key-circrnas-during-priming-phase-of-rat-liver-regeneration
#14
Lifei Li, Jianlin Guo, Yanhui Chen, Cuifang Chang, Cunshuan Xu
BACKGROUND: Rat liver regeneration (LR) proceeds along a process of highly organized and ordered tissue growth in response to the loss or injury of liver tissue, during which many physiological processes may play important roles. The molecular mechanism of hepatocyte proliferation, energy metabolism and substance metabolism during rat LR had been elucidated. Further, the correlation of circular RNA (circRNA) abundance with proliferation has recently been clarified. However, the regulatory capacity of circRNA in rat LR remains a fascinating topic...
January 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28086747/microrna-based-pan-cancer-diagnosis-and-treatment-recommendation
#15
Nikhil Cheerla, Olivier Gevaert
BACKGROUND: The current state-of-the-art in cancer diagnosis and treatment is not ideal; diagnostic tests are accurate but invasive, and treatments are "one-size fits-all" instead of being personalized. Recently, miRNA's have garnered significant attention as cancer biomarkers, owing to their ease of access (circulating miRNA in the blood) and stability. There have been many studies showing the effectiveness of miRNA data in diagnosing specific cancer types, but few studies explore the role of miRNA in predicting treatment outcome...
January 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28079712/a-comprehensive-review-of-genomics-and-noncoding-rna-in-gliomas
#16
Ahmed Hassan, Jennifer Mosley, Sanjay Singh, Pascal Olivier Zinn
Glioblastoma (GBM) is the most malignant primary adult brain tumor. In spite of our greater understanding of the biology of GBMs, clinical outcome of GBM patients remains poor, as their median survival with best available treatment is 12 to 18 months. Recent efforts of The Cancer Genome Atlas (TCGA) have subgrouped patients into 4 molecular/transcriptional subgroups: proneural, neural, classical, and mesenchymal. Continuing efforts are underway to provide a comprehensive map of the heterogeneous makeup of GBM to include noncoding transcripts, genetic mutations, and their associations to clinical outcome...
January 11, 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28079158/aryl-hydrocarbon-receptor-ahr-dependent-regulation-of-pulmonary-mirna-by-chronic-cigarette-smoke-exposure
#17
Sarah Rogers, Angela Rico de Souza, Michela Zago, Matthew Iu, Necola Guerrina, Alvin Gomez, Jason Matthews, Carolyn J Baglole
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor historically known for its toxic responses to man-made pollutants such as dioxin. More recently, the AhR has emerged as a suppressor of inflammation, oxidative stress and apoptosis from cigarette smoke by mechanisms that may involve the regulation of microRNA. However, little is known about the AhR regulation of miRNA expression in the lung in response to inhaled toxicants. Therefore, we exposed Ahr(-/-) and Ahr(+/-) mice to cigarette smoke for 4 weeks and evaluated lung miRNA expression by PCR array...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078489/identification-and-profiling-of-conserved-and-novel-micrornas-involved-in-oil-and-oleic-acid-production-during-embryogenesis-in-carya-cathayensis-sarg
#18
Zhengjia Wang, Ruiming Huang, Zhichao Sun, Tong Zhang, Jianqin Huang
MicroRNAs (miRNAs) are important regulators of plant development and fruit formation. Mature embryos of hickory (Carya cathayensis Sarg.) nuts contain more than 70% oil (comprising 90% unsaturated fatty acids), along with a substantial amount of oleic acid. To understand the roles of miRNAs involved in oil and oleic acid production during hickory embryogenesis, three small RNA libraries from different stages of embryogenesis were constructed. Deep sequencing of these three libraries identified 95 conserved miRNAs with 19 miRNA*s, 7 novel miRNAs (as well as their corresponding miRNA*s), and 26 potentially novel miRNAs...
January 11, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28075448/microarray-analysis-of-circular-rna-expression-patterns-in-polarized-macrophages
#19
Yingying Zhang, Yao Zhang, Xueqin Li, Mengying Zhang, Kun Lv
Circular RNAs (circRNAs) are generated from diverse genomic locations and are a new player in the regulation of post-transcriptional gene expression. Recent studies have revealed that circRNAs play a crucial role in fine-tuning the level of microRNA (miRNA)-mediated regulation of gene expression by sequestering miRNAs. The interaction of circRNAs with disease-associated miRNAs suggests that circRNAs are important in the pathology of disease. However, the effects and roles of circRNAs in macrophage polarization have yet to be explored...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28074905/mir-488-inhibits-proliferation-and-cisplatin-sensibility-in-non-small-cell-lung-cancer-nsclc-cells-by-activating-the-eif3a-mediated-ner-signaling-pathway
#20
Chao Fang, Yi-Xin Chen, Na-Yiyuan Wu, Ji-Ye Yin, Xiang-Ping Li, Hsuan-Shun Huang, Wei Zhang, Hong-Hao Zhou, Zhao-Qian Liu
Our previous studied indicated that eukaryotic translation initiation factor 3a (eIF3a) increases the sensitive of platinum-based chemotherapy in lung cancer. MiRNAs play an important role in lung carcinogenesis and drug response. In this study, we aimed to identify potential endogenous miRNAs that inhibit eIF3a expression and determine their influence of this inhibition on cisplatin resistance. Using bioinformatics analysis prediction and confirmation with dual-luciferase reporter assays, we found that miRNA-488 inhibited eIF3a expression by directly binding to the 3'UTR of eIF3a...
January 11, 2017: Scientific Reports
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