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https://www.readbyqxmd.com/read/29156589/genome-wide-development-of-microrna-based-ssr-markers-in-medicago-truncatula-with-their-transferability-analysis-and-utilization-in-related-legume-species
#1
Xueyang Min, Zhengshe Zhang, Yisong Liu, Xingyi Wei, Zhipeng Liu, Yanrong Wang, Wenxian Liu
Microsatellite (simple sequence repeats, SSRs) marker is one of the most widely used markers in marker-assisted breeding. As one type of functional markers, MicroRNA-based SSR (miRNA-SSR) markers have been exploited mainly in animals, but the development and characterization of miRNA-SSR markers in plants are still limited. In the present study, miRNA-SSR markers for Medicago truncatula (M. truncatula) were developed and their cross-species transferability in six leguminous species was evaluated. A total of 169 primer pairs were successfully designed from 130 M...
November 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29154802/microrna-profiling-in-mda-mb-231-human-breast-cancer-cell-exposed-to-the-phaleria-macrocarpa-boerl-fruit-ethyl-acetate-fraction-pmeaf-through-iilumina-hi-seq-technologies-and-various-in-silico-bioinformatics-tools
#2
Nowroji Kavitha, Soundararajan Vijayarathna, Shanmugapriya, Chern Ein Oon, Yeng Chen, Jagat R Kanwar, Vasu Punj, Sreenivasan Sasidharan
ETHNOPHARMACOLOGICAL RELEVANCE: Phaleria macrocarpa (Scheff) Boerl, is a famous traditional medicinal plant which exhibited cytotoxicity against various cancerous cells. Traditionally, P. macrocarpa has been used to control cancer, impotency, hemorrhoids, diabetes mellitus, allergies, liver and heart disease, kidney disorders, blood diseases, acne, stroke, migraine, and various skin diseases. AIM OF THE STUDY: Recent studies have demonstrated a potent anticancer potential of P...
November 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29152130/the-association-between-polymorphisms-in-microrna-genes-and-cervical-cancer-in-a-chinese-han-population
#3
Li Chuanyin, Wang Xiaona, Yan Zhiling, Zhang Yu, Liu Shuyuan, Yang Jie, Hong Chao, Shi Li, Yang Hongying, Yao Yufeng
Several studies have confirmed the crucial roles of microRNAs (miRNAs) in cancer occurrence. In addition, single nucleotide polymorphisms (SNPs) in miRNA genes have been associated with various cancers. The aim of the present study was to investigate the association of SNPs in miRNA genes with cervical intraepithelial neoplasia (CIN) and cervical cancer in a Chinese Han population. We searched SNPs in nineteen miRNAs by sequencing healthy individuals (n=50). Then, a total of 400 patients with CIN, 609 patients with cervical cancer and 583 healthy individuals were recruited to genotype the SNPs using a Taqman assay...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151886/optogenetic-regulation-of-artificial-microrna-improves-h2-production-in-green-alga-chlamydomonas-reinhardtii
#4
Yuting Wang, Xinqin Jiang, Changxing Hu, Ting Sun, Zhiyong Zeng, Xiaoqi Cai, Hui Li, Zhangli Hu
Background: Chlamydomonas reinhardtii is an ideal model organism not only for the study of basic metabolic processes in both plants and animals but also the production of biofuels including hydrogen. Transgenic analysis of C. reinhardtii is now well established and very convenient, but inducible exogenous gene expression systems remain under-studied. The most commonly used heat shock-inducible system has serious effects on algal cell growth and is difficult and costly to control in large-scale culture...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29149911/the-analysis-of-novel-microrna-mimic-sequences-in-cancer-cells-reveals-lack-of-specificity-in-stem-loop-rt-qpcr-based-microrna-detection
#5
Patrick Winata, Marissa Williams, Eileen McGowan, Najah Nassif, Nico van Zandwijk, Glen Reid
OBJECTIVE: MicroRNAs are frequently downregulated in cancer, and restoring expression has tumour suppressive activity in tumour cells. Our recent phase I clinical trial investigated microRNA-based therapy in patients with malignant pleural mesothelioma. Treatment with TargomiRs, microRNA mimics with novel sequence packaged in EGFR antibody-targeted bacterial minicells, revealed clear signs of clinical activity. In order to detect delivery of microRNA mimics to tumour cells in future clinical trials, we tested hydrolysis probe-based assays specific for the sequence of the novel mimics in transfected mesothelioma cell lines using RT-qPCR...
November 17, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29149532/exploitation-of-micrornas-by-japanese-encephalitis-virus-in-human-microglial-cells
#6
Meghana Rastogi, Neha Srivastava, Sunit K Singh
JEV infection in CNS leads to the JE neuroinflammation. Children and old age individual have been reported to be more prone to JEV infection. MicroRNAs are endogenous, small non-coding RNAs, which regulate the gene expression. These are ∼22 nucleotide long, conserved RNA sequence that binds at the 3'UTR of a target mRNA and regulate the post-transcriptional gene expression. The role of microRNAs has been reported in several diseases like cancer, viral infection, neuro-degeneration, diabetes etc. In the present study, the human microglial cells were infected with JEV (JaOAr strain)...
November 17, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29147650/mitochondria-associated-microrna-expression-profiling-of-heart-failure
#7
Xiaoxia Wang, Chun Song, Xiao Zhou, Xiaorui Han, Jun Li, Zengwu Wang, Haibao Shang, Yuli Liu, Huiqing Cao
Heart failure (HF) is associated with mitochondrial dysfunction and energy metabolism impairment. MicroRNAs are implicated in the development of heart failure. However, the mitochondria enriched microRNA during heart failure remains elusive. Here, we generated a pressure overload-induced early and late stage heart failure model at 4 weeks and 8 weeks following transverse aortic constriction (TAC) in mice. We found that expression of mitochondrion protein COX4 was highly enriched in isolated mitochondria from cardiac tissues while GAPDH could hardly be detected...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29145502/hi-fidelity-discrimination-of-isomirs-using-g-quadruplex-gatekeepers
#8
Nianjia Seow, Renzo A Fenati, Ashley R Connolly, Amanda V Ellis
Core microRNA (miRNA) sequences exist as populations of variants called isomiRs made up of different lengths and nucleotide compositions. In particular, the short sequences of miRNA make single-base isomiR mismatches very difficult to be discriminated. Non-specific hybridizations often arise when DNA probe-miRNA target hybridization is the primary, or initial, mode of detection. These errors then become exacerbated through subsequent amplification steps. Here, we present the design of DNA probes modified with poly-guanine (PG) tracts that were induced to form G-quadruplexes (G4) for hi-fidelity discrimination of miRNA core target sequence from single-base mismatched isomiRs...
2017: PloS One
https://www.readbyqxmd.com/read/29144434/the-role-of-non-coding-rnas-in-cytoplasmic-male-sterility-in-flowering-plants
#9
REVIEW
Helena Štorchová
The interactions between mitochondria and nucleus substantially influence plant development, stress response and morphological features. The prominent example of a mitochondrial-nuclear interaction is cytoplasmic male sterility (CMS), when plants produce aborted anthers or inviable pollen. The genes responsible for CMS are located in mitochondrial genome, but their expression is controlled by nuclear genes, called fertility restorers. Recent explosion of high-throughput sequencing methods enabled to study transcriptomic alterations in the level of non-coding RNAs under CMS biogenesis...
November 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29143920/distinguishing-the-disease-associated-snps-based-on-composition-frequency-analysis
#10
Wenling Li, Menglong Li, Xuemei Pu, Yanzhi Guo
Single-nucleotide polymorphism (SNP) is a basical variation in genome. When SNPs occur at the binding sites of microRNA, they can influence the binding efficiency, cause a fluctuation of the mRNA in vivo, and thus arouse posttranscriptional level abnormality. Therefore, SNP has a strong correlation with diseases. Although enormous SNPs have been experimentally identified, only a tiny proportion of them are truly disease-associated SNPs (dSNPs) that relate to microRNA modification and then are involved in disease causing process...
November 16, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/29142263/hyaluronic-acid-35-normalizes-tlr4-signaling-in-kupffer-cells-from-ethanol-fed-rats-via-regulation-of-microrna291b-and-its-target-tollip
#11
Paramananda Saikia, Sanjoy Roychowdhury, Damien Bellos, Katherine A Pollard, Megan R McMullen, Rebecca L McCullough, Arthur J McCullough, Pierre Gholam, Carol de la Motte, Laura E Nagy
TLR4 signaling in hepatic macrophages is increased after chronic ethanol feeding. Treatment of hepatic macrophages after chronic ethanol feeding with small-specific sized hyaluronic acid 35 (HA35) normalizes TLR4 signaling; however, the mechanisms for HA35 action are not completely understood. Here we used Next Generation Sequencing of microRNAs to identify negative regulators of TLR4 signaling reciprocally modulated by ethanol and HA35 in hepatic macrophages. Eleven microRNAs were up-regulated by ethanol; only 4 microRNAs, including miR291b, were decreased by HA35...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141996/the-distinct-transcriptomes-of-slow-and-fast-adult-muscles-are-delineated-by-noncoding-rnas
#12
Vered Raz, Muhammad Riaz, Zuotian Tatum, Szymon M Kielbasa, Peter A C 't Hoen
Adult muscles have a vast adaptation capacity, enabling function switches in response to altered conditions. During intensive physical activity, disease, or aging, adult skeletal muscles change and adjust their functions. The competence to adjust varies among muscles. Muscle-specific molecular mechanisms in healthy and normal conditions could designate changes in physiologic and pathologic conditions. We generated deep mRNA-sequencing data in adult fast and slow mouse muscles, and applying paired analysis, we identified that the muscle-specific signatures are composed of half of the muscle transcriptome...
November 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29141666/intron-retention-enhances-gene-regulatory-complexity-in-vertebrates
#13
Ulf Schmitz, Natalia Pinello, Fangzhi Jia, Sultan Alasmari, William Ritchie, Maria-Cristina Keightley, Shaniko Shini, Graham J Lieschke, Justin J-L Wong, John E J Rasko
BACKGROUND: While intron retention (IR) is now widely accepted as an important mechanism of mammalian gene expression control, it remains the least studied form of alternative splicing. To delineate conserved features of IR, we performed an exhaustive phylogenetic analysis in a highly purified and functionally defined cell type comprising neutrophilic granulocytes from five vertebrate species spanning 430 million years of evolution. RESULTS: Our RNA-sequencing-based analysis suggests that IR increases gene regulatory complexity, which is indicated by a strong anti-correlation between the number of genes affected by IR and the number of protein-coding genes in the genome of individual species...
November 16, 2017: Genome Biology
https://www.readbyqxmd.com/read/29141604/genome-wide-identification-of-mirnas-and-lncrnas-in-cajanus-cajan
#14
Chandran Nithin, Amal Thomas, Jolly Basak, Ranjit Prasad Bahadur
BACKGROUND: Non-coding RNAs (ncRNAs) are important players in the post transcriptional regulation of gene expression (PTGR). On one hand, microRNAs (miRNAs) are an abundant class of small ncRNAs (~22nt long) that negatively regulate gene expression at the levels of messenger RNAs stability and translation inhibition, on the other hand, long ncRNAs (lncRNAs) are a large and diverse class of transcribed non-protein coding RNA molecules (> 200nt) that play both up-regulatory as well as down-regulatory roles at the transcriptional level...
November 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29138809/microrna-expression-profiles-in-non%C3%A2-epithelial-ovarian-tumors
#15
Roger K Chang, Xidan Li, Ninni Mu, Olga Hrydziuszko, Beatriz Garcia-Majano, Catharina Larsson, Weng-Onn Lui
Ovarian germ cell tumors (OGCTs) and sex cord stromal tumors (SCSTs) are rare gynecologic tumors that are derived from germ and stromal cells, respectively. Unlike their epithelial counterparts, molecular pathogenesis of these tumor types is still poorly understood. Here, we characterized microRNA (miRNA) expression profiles of 9 OGCTs (2 malignant and 7 benign) and 3 SCSTs using small RNA sequencing. We observed significant miRNA expression variations among the three tumor groups. To further demonstrate the biological relevance of our findings, we selected 12 miRNAs for validation in an extended cohort of 16 OGCTs (9 benign and 7 malignant) and 7 SCSTs by reverse transcription-quantitative polymerase chain reaction...
November 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29137313/rna-seq-reveals-distinctive-rna-profiles-of-small-extracellular-vesicles-from-different-human-liver-cancer-cell-lines
#16
Martina Berardocco, Annalisa Radeghieri, Sara Busatto, Marialucia Gallorini, Chiara Raggi, Clarissa Gissi, Igea D'Agnano, Paolo Bergese, Armando Felsani, Anna C Berardi
Liver cancer (LC) is one of the most common cancers and represents the third highest cause of cancer-related deaths worldwide. Extracellular vesicle (EVs) cargoes, which are selectively enriched in RNA, offer great promise for the diagnosis, prognosis and treatment of LC. Our study analyzed the RNA cargoes of EVs derived from 4 liver-cancer cell lines: HuH7, Hep3B, HepG2 (hepato-cellular carcinoma) and HuH6 (hepatoblastoma), generating two different sets of sequencing libraries for each. One library was size-selected for small RNAs and the other targeted the whole transcriptome...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137293/identification-of-novel-genetic-regulations-associated-with-airway-epithelial-homeostasis-using-next-generation-sequencing-data-and-bioinformatics-approaches
#17
Chau-Chyun Sheu, Ming-Ju Tsai, Feng-Wei Chen, Kuo-Feng Chang, Wei-An Chang, Inn-Wen Chong, Po-Lin Kuo, Ya-Ling Hsu
Airway epithelial cells play important roles in airway remodeling. Understanding gene regulations in airway epithelial homeostasis may provide new insights into pathogenesis and treatment of asthma. This study aimed to combine gene expression (GE) microarray, next generation sequencing (NGS), and bioinformatics to explore genetic regulations associated with airway epithelial homeostasis. We analyzed expression profiles of mRNAs (GE microarray) and microRNAs (NGS) in normal and asthmatic bronchial epithelial cells, and identified 9 genes with potential microRNA-mRNA interactions...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137278/comprehensive-microrna-sequencing-of-exosomes-derived-from-head-and-neck-carcinoma-cells-in-vitro-reveals-common-secretion-profiles-and-potential-utility-as-salivary-biomarkers
#18
Scott Langevin, Damaris Kuhnell, Tess Parry, Jacek Biesiada, Shouxiong Huang, Trisha Wise-Draper, Keith Casper, Xiang Zhang, Mario Medvedovic, Susan Kasper
Exosomes are nano-scale, membrane encapsulated vesicles that are released by cells into the extracellular space and function as intercellular signaling vectors through horizontal transfer of biologic molecules, including microRNA (miRNA). There is evidence that cancer-derived exosomes enable the tumor to manipulate its microenvironment, thus contributing to the capacity of the tumor for immune evasion, growth, invasion, and metastatic spread. The objective of this study was to characterize differential secretion of exosomal miRNA by head and neck squamous cell carcinoma (HNSCC) and identify a set of candidate biomarkers that could be detected in non-invasive saliva samples...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137139/deduction-of-novel-genes-potentially-involved-in-osteoblasts-of-rheumatoid-arthritis-using-next-generation-sequencing-and-bioinformatic-approaches
#19
Yi-Jen Chen, Wei-An Chang, Ya-Ling Hsu, Chia-Hsin Chen, Po-Lin Kuo
The role of osteoblasts in peri-articular bone loss and bone erosion in rheumatoid arthritis (RA) has gained much attention, and microRNAs are hypothesized to play critical roles in the regulation of osteoblast function in RA. The aim of this study is to explore novel microRNAs differentially expressed in RA osteoblasts and to identify genes potentially involved in the dysregulated bone homeostasis in RA. RNAs were extracted from cultured normal and RA osteoblasts for sequencing. Using the next generation sequencing and bioinformatics approaches, we identified 35 differentially expressed microRNAs and 13 differentially expressed genes with potential microRNA-mRNA interactions in RA osteoblasts...
November 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29136926/simple-g-quadruplex-based-2-aminopurine-fluorescence-probe-for-highly-sensitive-and-amplified-detection-of-microrna-21
#20
Shiyu Li, Chan Liu, Hang Gong, Chunyan Chen, Xiaoming Chen, Changqun Cai
Based on 2-aminopurine (2-AP) probe in conjunction with a G-quadruplex structure and signal amplification technique, a simple and highly sensitive fluorescence sensor for detecting microRNA (miRNA) is developed for high signal-to-background ratio and wide linear range. The proposed sensor contains two hairpins DNA: H1 and H2. H1 is labeled by 2-AP incorporated into a G-rich sequence. Upon the addition of a target miRNA, H1 is unfolded and forms DNA/RNA complexes that contain a G-quadruplex, thereby significantly enhancing 2-AP fluorescence due to the protection provided by the G-quadruplex...
February 1, 2018: Talanta
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