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miRNA expression profiling

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https://www.readbyqxmd.com/read/28531227/different-microrna-profiles-reveal-the-diverse-outcomes-induced-by-ev71-and-ca16-infection-in-human-umbilical-vein-endothelial-cells-using-high-throughput-sequencing
#1
Jie Song, Yajie Hu, Jiaqi Li, Huiwen Zheng, Jingjing Wang, Lei Guo, Ruotong Ning, Hongzhe Li, Zening Yang, Haitao Fan, Longding Liu
Enterovirus 71 (EV71) and Coxsackievirus A16 (CA16) remain the predominant pathogens in hand, foot, and mouth disease (HFMD), but the factors underlying the pathogenesis of EV71 and CA16 infections have not been elucidated. Recently, the functions of microRNAs (miRNAs) in pathogen-host interactions have been highlighted. In the present study, we performed comprehensive miRNA profiling in EV71- and CA16-infected human umbilical vein endothelial cells (HUVECs) at multiple time points using high-throughput sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28531200/discovery-of-micrornas-during-early-spermatogenesis-in-chicken
#2
Lu Xu, Qixin Guo, Guobin Chang, Lingling Qiu, Xiangping Liu, Yulin Bi, Yu Zhang, Hongzhi Wang, Wei Lu, Lichen Ren, Ying Chen, Yang Zhang, Qi Xu, Guohong Chen
Spermatogenesis is a complex process that involves many elements. However, until now, little is known at the molecular level about spermatogenesis in poultry. Here we investigated microRNAs and their target genes that may be involved in germ cell development and spermatogonial in chicken. We used next-generation sequencing to analyze miRNA expression profiles in three types of germline cells: primordial germ cells (PGCs), spermatogonial stem cells (SSCs), and spermatogonia (Sp) during early stage of spermatogenesis...
2017: PloS One
https://www.readbyqxmd.com/read/28529949/microrna-expression-varies-according-to-glucose-tolerance-measurement-platform-and-biological-source
#3
S Dias, S Hemmings, C Muller, J Louw, C Pheiffer
Dysregulated microRNA (miRNA) expression is observed during type 2 diabetes (T2D), although the consistency of miRNA expression across measurement platform and biological source is uncertain. Here we report miRNA profiling in the whole blood and serum of South African women with different levels of glucose tolerance, using next generation sequencing (NGS) and quantitative real time PCR (qRT-PCR). Whole blood-derived miRNAs from women with newly diagnosed T2D (n = 4), impaired glucose tolerance (IGT) (n = 4), and normal glucose tolerance (NGT) (n = 4) were subjected to NGS, whereafter transcript levels of selected miRNAs were quantified in the whole blood and serum of these women using qRT-PCR...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28529519/genome-wide-identification-of-sorghum-bicolor-laccases-reveals-potential-targets-for-lignin-modification
#4
Jinhui Wang, Juanjuan Feng, Weitao Jia, Pengxiang Fan, Hexigeduleng Bao, Shizhong Li, Yinxin Li
Laccase is a key enzyme in plant lignin biosynthesis as it catalyzes the final step of monolignols polymerization. Sweet sorghum [Sorghum bicolor (L.) Moench] is considered as an ideal feedstock for ethanol production, but lignin greatly limits the production efficiency. No comprehensive analysis on laccase has ever been conducted in S. bicolor, although it appears as the most promising target for engineering lignocellulosic feedstock. The aim of our work is to systematically characterize S. bicolor laccase gene family and to identify the lignin-specific candidates...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28527972/genetic-and-epigenetic-alterations-in-meningiomas
#5
REVIEW
Vasiliki Galani, Evangeli Lampri, Anna Varouktsi, George Alexiou, Antigoni Mitselou, Athanasios P Kyritsis
Meningiomas originate from the arachnoid layer of the meninges and divided histologically into three grades: benign (grade I), atypical (grade II), and malignant meningiomas (grade III). Genetic alterations in grade I meningiomas include frequent deletions of chromosomal locus 22q12 and NF2 gene mutations and uncommon somatic SMARCB1 and SMARCE1gene mutations; In grade II meningiomas, chromosomal losses occur on 1p, 22q, 14q, 18q, 10, and 6q, and gains on 20q, 12q, 15q, 1q, 9q, and 17q; In grade III meningiomas, losses have been recognized on 6q, 10, and 14q and alterations of PTEN, CDKN2A and CDKN2B genes...
May 3, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28526728/genetic-subtraction-profiling-identifies-candidate-mirnas-involved-in-rice-female-gametophyte-abortion
#6
Liyu Yang, Ya Wu, Wenliang Wang, Bigang Mao, Bingran Zhao, Jianbo Wang
Female gametophyte is an important participant in sexual reproduction of plants. The molecular mechanism of its development has received much attention in recent years. As important regulators of gene expression, miRNAs have been certified to play a significant role in many biological processes of plants including sexual reproduction. In this study, to investigate the potential regulatory effects of miRNAs on rice female gametophytes abortion, we used the high-throughput sequencing method to compare the miRNA transcriptome in ovules of a high frequency female-sterile line (fsv1) and a rice wild-type line (Gui 99) during ovule development...
May 19, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28526608/microrna-analysis-of-taenia-crassiceps-cysticerci-under-praziquantel-treatment-and-genome-wide-identification-of-taenia-solium-mirnas
#7
Matías Gastón Pérez, Natalia Macchiaroli, Gabriel Lichtenstein, Gabriela Conti, Sebastián Asurmendi, Diego Humberto Milone, Georgina Stegmayer, Laura Kamenetzky, Marcela Cucher, Mara Cecilia Rosenzvit
MicroRNAs (miRNAs) are small non-coding RNAs that have emerged as important regulators of gene expression and perform critical functions in development and disease. In spite of the increased interest in miRNAs from helminth parasites, no information is available on miRNAs from Taenia solium, the causative agent of cysticercosis, a neglected disease affecting millions of people worldwide. Here we performed a comprehensive analysis of miRNAs from Taenia crassiceps, a laboratory model for T. solium studies, and identified miRNAs in the T...
May 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28524153/transcriptome-analysis-of-mirna-lncrna-mrna-interactions-in-the-malignant-transformation-process-of-gastric-cancer-initiation
#8
Y Mao, R Liu, H Zhou, S Yin, Q Zhao, X Ding, H Wang
Gastric cancer is a common heterogeneous malignancy that is pathologically characterized by the development of chronic atrophic gastritis and dysplasia of the epithelium. The pathogenic mechanisms at the molecular level are completely unclear. In the present study, we first address the expression network and miRNA-lncRNA-mRNA interaction in the malignant transformation process from normal mucosa and atrophic gastritis to a tumor. First, the long non-coding RNA (lncRNA), micro RNA (miRNA) and messenger RNA (mRNA) expression profiles of normal gastric mucosa, atrophic gastritis, gastric cancer and the peri-tumor tissues were analyzed using microarrays...
May 19, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28524002/mirna-expression-in-bladder-cancer-and-their-potential-role-in-clinical-practice
#9
Ana Blanca, Liang Cheng, Rodolfo Montironi, Holger Moch, Francesco Massari, Michelangelo Fiorentino, Maria Rosaria Raspollini, Marina Scarpelli, Antonio Lopez-Beltran
To date more than 3000 miRNA sequences have been described in humans and reg¬istered at miRBase since their discovery. However, the functions of only a few of these miRNAs have been experimentally determined using deep sequencing technology. Aberrant miRNA expression has been associated with differentiation, invasion and metastasis in several cancers. In this context, recent reports have suggested that miRNAs play important roles in the regulation of target genes by binding to complementary regions of messenger transcripts to repress their translation or regulate degradation...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28521446/candidate-mirnas-and-pathogenesis-investigation-for-hepatocellular-carcinoma-based-on-bioinformatics-analysis
#10
Wenbin Ding, Haixia Yang, Shenchu Gong, Weixiang Shi, Jing Xiao, Jinhua Gu, Yilang Wang, Bosheng He
The present study aimed to explore the mechanisms behind the development and progression of hepatocellular carcinoma (HCC) and identify information regarding HCC-related microRNAs (miRNAs) or marker genes for the gene therapy of HCC. Gene expression profile of GSE67882, generated from 4 hepatitis B virus infected HCC tissue samples (HCC group) and 8 chronic hepatitis B tissue samples with no fibrosis (control group) were downloaded from the Gene Expression Omnibus database. The differentially expressed miRNAs functional enrichment and pathway analyses of HCC were revealed, followed by transcription factor-miRNA interaction network construction and analyses...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521431/microrna-320a-is-downregulated-in-non-small-cell-lung-cancer-and-suppresses-tumor-cell-growth-and-invasion-by-directly-targeting-insulin-like-growth-factor-1-receptor
#11
Jianguo Wang, Chunyun Shi, Jianfei Wang, Li Cao, Li Zhong, Dongmei Wang
Accumulating evidence has demonstrated that microRNAs (miRs/miRNAs) are implicated in carcinogenesis and cancer progression, and can function as oncogenes or tumor suppressor genes in human cancer types. Previous profile studies of miRNA expression levels have revealed that miR-320a was downregulated in breast cancer, colon cancer, bladder cancer, glioblastoma and salivary adenoid cystic carcinoma. However, its expression level, potential functions and the mechanisms underlying its functions in non-small cell lung cancer (NSCLC) require further investigation...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521415/bioinformatics-analysis-of-dysregulated-micrornas-in-the-nipple-discharge-of-patients-with-breast-cancer
#12
Kai Zhang, Ya-Wen Wang, Rong Ma
MicroRNAs (miRNAs/miRs) have been reported to be associated with the tumorigenesis and progression of various types of human cancer; however, the underlying mechanisms of this association remain unclear. The aim of the present study was to explore the potential functions of miRNAs in the development of breast cancer using bioinformatics analysis, based on the miRNA expression profile in nipple discharge. A previous study demonstrated the upregulation of miR-3646 and miR-4484, and the downregulation of miR-4732-5p in the nipple discharge of patients with breast cancer, compared with patients with benign breast lesions...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520103/circular-rna-mto1-acts-as-the-sponge-of-mir-9-to-suppress-hepatocellular-carcinoma-progression
#13
Dan Han, Jiangxue Li, Huamin Wang, Xiaoping Su, Jin Hou, Yan Gu, Cheng Qian, Yun Lin, Xiang Liu, Mingyan Huang, Nan Li, Weiping Zhou, Yizhi Yu, Xuetao Cao
Non-coding RNAs play important roles in cancer biology, providing potential targets for cancer intervention. As a new class of endogenous non-coding RNAs, circular RNAs (circRNAs) have been recently identified in the development, cell function and certain types of pathological responses, generally acting as microRNA (miRNA) sponge to regulate gene expression. Identifying the deregulated circRNAs and their roles in cancer has attracted much attention. However, the expression profile and function of circRNAs in human hepatocellular carcinoma (HCC) remain to be investigated...
May 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28515465/gender-specific-differential-expression-of-exosomal-mirna-in-synovial-fluid-of-patients-with-osteoarthritis
#14
Ravindra Kolhe, Monte Hunter, Siyang Liu, Ravirajsinh N Jadeja, Chetan Pundkar, Ashis K Mondal, Bharati Mendhe, Michelle Drewry, Mumtaz V Rojiani, Yutao Liu, Carlos M Isales, Robert E Guldberg, Mark W Hamrick, Sadanand Fulzele
The pathogenesis of osteoarthritis (OA) is poorly understood, and therapeutic approaches are limited to preventing progression of the disease. Recent studies have shown that exosomes play a vital role in cell-to-cell communication, and pathogenesis of many age-related diseases. Molecular profiling of synovial fluid derived exosomal miRNAs may increase our understanding of OA progression and may lead to the discovery of novel biomarkers and therapeutic targets. In this article we report the first characterization of exosomes miRNAs from human synovial fluid...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515355/translational-reprogramming-of-colorectal-cancer-cells-induced-by-5-fluorouracil-through-a-mirna-dependent-mechanism
#15
Bash-Imam Zeina, Thérizols Gabriel, Vincent Anne, Lafôrets Florian, Polay Espinoza Micaela, Pion Nathalie, Macari Françoise, Pannequin Julie, David Alexandre, Saurin Jean-Christophe, Hichem C Mertani, Textoris Julien, Auboeuf Didier, Catez Frédéric, Dalla Venezia Nicole, Dutertre Martin, Marcel Virginie, Diaz Jean-Jacques
5-Fluorouracil (5-FU) is a widely used chemotherapeutic drug in colorectal cancer. Previous studies showed that 5-FU modulates RNA metabolism and mRNA expression. In addition, it has been reported that 5-FU incorporates into the RNAs constituting the translational machinery and that 5-FU affects the amount of some mRNAs associated with ribosomes. However, the impact of 5-FU on translational regulation remains unclear. Using translatome profiling, we report that a clinically relevant dose of 5-FU induces a translational reprogramming in colorectal cancer cell lines...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28515146/transcriptome-of-wheat-inflorescence-development-from-spikelet-initiation-to-floral-patterning
#16
Nan Feng, Gaoyuan Song, Jiantao Guan, Kai Chen, Meiling Jia, Dehua Huang, Jiajie Wu, Lichao Zhang, Xiuying Kong, Shuaifeng Geng, Jun Liu, Aili Li, Long Mao
Early reproductive development in cereals is crucial for final grain number per spike, and hence the yield potential of the crop. To date, however, no systematic analyses of gene expression profiles during this important process have been conducted for common wheat (Triticum aestivum). Here, we studied the transcriptome profiles at four stages of early wheat reproductive development, from spikelet initiation to floral organ differentiation. K-means clustering and stage-specific transcript identification detected dynamically expressed homoeologs of important transcription regulators in spikelet and floral meristems that may be involved in spikelet initiation, floret meristem specification, and floral organ patterning, as inferred from their homologs in model plants...
May 17, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28514762/novel-circular-rna-expression-profiles-reflect-progression-of-patients-with-hypopharyngeal-squamous-cell-carcinoma
#17
Shengda Cao, Dongmin Wei, Xu Li, Jieyu Zhou, Wenming Li, Ye Qian, Zhanwang Wang, Guojun Li, Xinliang Pan, Dapeng Lei
Circular RNAs (circRNAs), a novel class of endogenous noncoding RNAs, have been shown to have important roles in a number of diseases, including several types of cancers. We hypothesized that circRNAs are involved in the pathogenesis of hypopharyngeal squamous cell carcinoma (HSCC). To test our hypothesis, we initially compared the expression profiles of circRNAs in 4 paired HSCC and adjacent normal tissue samples by using a circRNA microarray. The microarray data showed that 2392 circRNAs, including 1304 upregulated and 1088 downregulated circRNA transcripts, were significantly dysregulated in the HSCC tissues...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28512868/metastasis-associated-microrna-expression-in-canine-uveal-melanoma
#18
M P Starkey, L Compston-Garnett, P Malho, K Dunn, R Dubielzig
BACKGROUND: Uveal melanoma (UM) is the most common primary intraocular tumour in dogs. There is no effective means of predicting whether a tumour will metastasize. microRNA (miRNA) metastasis signatures have been identified for several human cancers, including UM. AIMS: In this study we investigated whether metastasizing and non-metastasizing canine UMs can be distinguished by miRNA expression levels. MATERIALS AND METHODS: miRNA microarray profiling was used to compare miRNA expression in 8 metastasizing and 12 non-metastasizing formalin-fixed, paraffin-embedded (FFPE) primary UM biopsies...
May 17, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28512058/downregulation-of-mir-224-and-let-7i-contribute-to-cell-survival-and-chemoresistance-in-chronic-myeloid-leukemia-cells-by-regulating-st3gal-iv-expression
#19
Huimin Zhou, Yang Li, Bing Liu, Yujia Shan, Yan Li, Lifen Zhao, Zhen Su, Jia Li
Acquired resistance to imatinib is frequently associated with poor clinical outcome of chronic myeloid leukemia (CML) patient. To date, evidence indicates that protein glycosylation and its upstream regulators might be implicated in tumorigenesis and chemoresistance occurrence. In current study we initially explored N-glycan profiles on the surface of CML cell lines and bone marrow mononuclear cells (BMMC) of CML patients by using mass spectrometry (MS) analysis. An elevated sialylation was detected in K562R cells (CML cells with imatinib resistance phenotype) compare to K562 cells...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28508366/isolation-and-proteomic-analysis-of-microvesicles-and-exosomes-from-ht22-cells-and-primary-neurons
#20
Richard Witas, Dale Chaput, Hirah Khan, Stanley M Stevens, David Kang
Exosomes and microvesicles are extracellular vesicles (EVs) released by most cell types. The role of EVs as a method of intercellular communication has led to these vesicles becoming a major area of interest in a variety of scientific fields including neuroscience. Emerging evidence is now demonstrating that the biomolecular composition of EVs, especially exosomes, can play a role in the progression of disease including various neurodegenerative diseases and cancer. In addition to the miRNA profiles of EVs, these vesicles also show interesting changes in protein expression profiles under different physiological and pathological conditions...
2017: Methods in Molecular Biology
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