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https://www.readbyqxmd.com/read/28535543/microrna-181a-5p-impedes-il-17-induced-nonsmall-cell-lung-cancer-proliferation-and-migration-through-targeting-vcam-1
#1
Yang Cao, Dan Zhao, Ping Li, Lanrong Wang, Bingli Qiao, Xiaoyan Qin, Lei Li, Yang Wang
AIM: The contribution of the inflammatory mediator interleukin-17 (IL-17) in nonsmall cell lung cancer (NSCLC) malignancy has been reported in the literature. MicroRNA-181a-5p (miR-181a-5p) acts as a tumor suppressor which can regulate target gene at the posttranscriptional level. Our study aimed to investigate the interaction between IL-17 and miR-181a-5p in NSCLC. METHODS: 35 patients with NSCLC and 24 COPD controls were selected and examined in our study. In vitro, H226 and H460 cell lines were exposed to different doses (20, 40, 60, and 80 ng/mL) of IL-17 to examine the effect of IL-17 on miR-181a-5p and vascular cell adhesion molecule 1 (VCAM-1) expression...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28534512/a-viral-microrna-downregulates-metastasis-suppressor-cd82-and-induces-cell-invasion-and-angiogenesis-by-activating-the-c-met-signaling
#2
W Li, M Hu, C Wang, H Lu, F Chen, J Xu, Y Shang, F Wang, J Qin, Q Yan, B J Krueger, R Renne, S-J Gao, C Lu
Kaposi's sarcoma (KS) as the most common AIDS-associated malignancy is etiologically caused by KS-associated herpesvirus (KSHV). KS is a highly disseminated and vascularized tumor. KSHV encodes 12 pre-microRNAs that yield 25 mature microRNAs (miRNAs), but their roles in KSHV-induced tumor metastasis and angiogenesis remain largely unclear. KSHV-encoded miR-K12-6 (miR-K6) can generate two mature miRNAs, miR-K6-5p and miR-K6-3p. Recently, we have shown that miR-K6-3p induced cell migration and angiogenesis via directly targeting SH3 domain binding glutamate-rich protein (SH3BGR)...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28534166/in-silico-identification-and-validation-of-potential-micrornas-in-kinnow-mandarin-citrus-reticulata-blanco
#3
Prashant Mohanpuria, Naveen Duhan, Navraj Kaur Sarao, Manvir Kaur, Mandip Kaur
MicroRNAs (miRNAs) are a large family of 19-25 nucleotides, regulatory, non-coding RNA molecules that control gene expression by cleaving or inhibiting the translation of target gene transcripts in animals and plants. Despite the important functions of miRNAs related to regulation of plant growth and development processes, metabolism, and abiotic and biotic stresses, little is known about the disease-related miRNA. Here, we present a new pipeline for miRNA analysis using expressed sequence tags (ESTs)-based bioinformatics approach in Kinnow mandarin, a commercially important citrus fruit crop...
May 22, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28533948/radiosensitization-effect-of-hsa-mir-138-2-3p-on-human-laryngeal-cancer-stem-cells
#4
Ying Zhu, Li-Yun Shi, Yan-Min Lei, Yan-Hong Bao, Zhao-Yang Li, Fei Ding, Gui-Ting Zhu, Qing-Qing Wang, Chang-Xin Huang
BACKGROUND: Treatments that target cancer stem cells play an important role in the controlling and eliminating of tumor initiation as well as in development, progression, and chemotherapy/radiotherapy resistance. In our previous study, we cultured and harvested human laryngeal cancer stem cells (CSCs) and applied microRNA biochips to screen differentially expressed miRNAs that were related to radiation tolerance in irradiated human laryngeal CSCs. According to the predicted genes and pathways of differential miRNAs target, down-regulated expression of hsa-miR-138-2-3p under radiation was thought to play a key role in enhancing the radio-sensitivity in human laryngeal squamous cancer stem cells...
2017: PeerJ
https://www.readbyqxmd.com/read/28533110/excretory-secretory-products-from-the-gastrointestinal-nematode-trichuris-muris
#5
Lucienne Tritten, Mifong Tam, Mireille Vargas, Armando Jardim, Mary M Stevenson, Jennifer Keiser, Timothy G Geary
To better control gastrointestinal nematode infections in humans and animals, it is important to understand the strategies used by these parasites to modulate the host immune system. In this regard, molecules released by parasites have been attributed crucially important roles in host-parasite negotiations. We characterized the excretory/secretory (E/S) microRNA (miRNA) and protein profiles from the mouse gastrointestinal nematode parasite Trichuris muris. Released miRNAs were subjected to miRNA sequencing and E/S proteins were analysed by mass spectrometry...
May 19, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28531277/genome-wide-discovery-of-viral-micrornas-based-on-phylogenetic-analysis-and-structural-evolution-of-various-human-papillomavirus-subtypes
#6
Shun-Long Weng, Kai-Yao Huang, Julia Tzu-Ya Weng, Fang-Yu Hung, Tzu-Hao Chang, Tzong-Yi Lee
In mammals, microRNAs (miRNAs) play key roles in controlling posttranscriptional regulation through binding to the mRNAs of target genes. Recently, it was discovered that viral miRNAs may be involved in human cancers and diseases. It is likely that viral miRNAs help viruses enter the latent phase of their life cycle and become undetected by the host's immune system, while increasing the host's risk for cancer development. Cervical cancer is typically related to the infection of human papillomavirus (HPV) through sexual transmission...
May 20, 2017: Briefings in Bioinformatics
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
#7
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
#8
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/28530238/micrornas-146a-b-5-and-425-3p-and-24-3p-are-markers-of-antidepressant-response-and-regulate-mapk-wnt-system-genes
#9
Juan Pablo Lopez, Laura M Fiori, Cristiana Cruceanu, Rixing Lin, Benoit Labonte, Hannah M Cates, Elizabeth A Heller, Vincent Vialou, Stacy M Ku, Christophe Gerald, Ming-Hu Han, Jane Foster, Benicio N Frey, Claudio N Soares, Daniel J Müller, Faranak Farzan, Francesco Leri, Glenda M MacQueen, Harriet Feilotter, Kathrin Tyryshkin, Kenneth R Evans, Peter Giacobbe, Pierre Blier, Raymond W Lam, Roumen Milev, Sagar V Parikh, Susan Rotzinger, Steven C Strother, Cathryn M Lewis, Katherine J Aitchison, Gayle M Wittenberg, Naguib Mechawar, Eric J Nestler, Rudolf Uher, Sidney H Kennedy, Gustavo Turecki
Antidepressants (ADs) are the most common treatment for major depressive disorder (MDD). However, only ∼30% of patients experience adequate response after a single AD trial, and this variability remains poorly understood. Here, we investigated microRNAs (miRNAs) as biomarkers of AD response using small RNA-sequencing in paired samples from MDD patients enrolled in a large, randomized placebo-controlled trial of duloxetine collected before and 8 weeks after treatment. Our results revealed differential expression of miR-146a-5p, miR-146b-5p, miR-425-3p and miR-24-3p according to treatment response...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28529981/caenorhabditis-elegans-an-important-tool-for-dissecting-microrna-functions
#10
Ziwen Zhu, Duo Zhang, Heedoo Lee, Yang Jin
Caenorhabditis elegans (C. elegans), a member of the phylum Nematoda, carries the evolutionarily conserved genes comparing to mammals. Due to its short lifespan and completely sequenced genome, C. elegans becomes a potentially powerful model for mechanistic studies in human diseases. In this mini review, we will outline the current understandings on C. elegans as a model organism for microRNA (miRNA)-related research in the pathogenesis of human diseases.
June 2016: Biomed Genet Genom
https://www.readbyqxmd.com/read/28529949/microrna-expression-varies-according-to-glucose-tolerance-measurement-platform-and-biological-source
#11
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/28528706/long-noncoding-rnas-in-the-pathogenesis-of-barrett-s-esophagus-and-esophageal-carcinoma
#12
REVIEW
John M Abraham, Stephen J Meltzer
For many years, only a small fraction of the human genome was believed to regulate cell function and development. This protein-coding portion composed only 1% to 2% of 3 billion human DNA base pairs-the remaining sequence was classified as junk DNA. Subsequent research has revealed that most of the genome is transcribed into a broad array of noncoding RNAs, ranging in size from microRNA (20-23 nucleotides) to long noncoding RNA (lncRNA, more than 200 nucleotides). These noncoding RNA classes have been shown to use diverse molecular mechanisms to control gene expression and organ system development...
May 18, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28525837/differentially-expressed-jak-stat-signaling-pathway-genes-and-target-micrornas-in-the-spleen-of-necrotic-enteritis-afflicted-chicken-lines
#13
Anh Duc Truong, Deivendran Rengaraj, Yeojin Hong, Cong Thanh Hoang, Yeong Ho Hong, Hyun S Lillehoj
The JAK signal transducer and STAT signaling pathway is an important regulator of cell proliferation, differentiation, survival, motility, apoptosis, immune response, and development. In this study, we used RNA-Sequencing, qRT-PCR, and bioinformatics tools to investigate the differential expression of JAK-STAT pathway genes, their interactions, and regulators in the spleen of two genetically disparate chicken lines (Marek's disease-resistant line 6.3 and MD-susceptible line 7.2) induced necrotic enteritis (NE) disease by co-infection with Eimeria maxima and Clostridium perfringens...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28525578/cell-type-specific-genome-editing-with-a-microrna-responsive-crispr-cas9-switch
#14
Moe Hirosawa, Yoshihiko Fujita, Callum J C Parr, Karin Hayashi, Shunnichi Kashida, Akitsu Hotta, Knut Woltjen, Hirohide Saito
The CRISPR-Cas9 system is a powerful genome-editing tool useful in a variety of biotechnology and biomedical applications. Here we developed a synthetic RNA-based, microRNA (miRNA)-responsive CRISPR-Cas9 system (miR-Cas9 switch) in which the genome editing activity of Cas9 can be modulated through endogenous miRNA signatures in mammalian cells. We created miR-Cas9 switches by using a miRNA-complementary sequence in the 5΄-UTR of mRNA encoding Streptococcus pyogenes Cas9. The miR-21-Cas9 or miR-302-Cas9 switches selectively and efficiently responded to miR-21-5p in HeLa cells or miR-302a-5p in human induced pluripotent stem cells, and post-transcriptionally attenuated the Cas9 activity only in the target cells...
May 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28523997/differences-in-relative-levels-of-88-micrornas-in-various-regions-of-the-normal-adult-human-brain
#15
Elena Vladislavovna Filatova, Anelya Khanlarovna Alieva, Maria Igorevna Shadrina, Petr Andreevich Slominsky
AIM OF STUDY: Since the discovery of microRNAs (miRNAs) in the 1990s, our knowledge about their biology has grown considerably. The increasing number of studies addressing the role of miRNAs in development and in various diseases emphasizes the need for a comprehensive catalogue of accurate sequence, expression and conservation information regarding the large number of miRNAs proposed recently in all organs and tissues. The objective of this study was to provide data on the levels of miRNA expression in 15 tissues of the normal human brain...
May 19, 2017: MicroRNA
https://www.readbyqxmd.com/read/28523555/alzheimer-s-disease-and-ncrnas
#16
Rotem Maoz, Benjamin P Garfinkel, Hermona Soreq
Alzheimer's disease is a devastating neurodegenerative disorder affecting a significant portion of the world's rapidly growing aging population. In spite of its prevalence, the etiology of the disease is still poorly understood, and effective therapy is all but unavailable. Over the past decade, noncoding RNA, including microRNA (miRNA), has emerged as a major class of regulatory molecules involved in virtually all physiological and disease states. The specificity provided by miRNA sequence complementarity, together with the ability of these molecules to regulate complex networks of genes, has made them exciting novel targets for therapeutic agents...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28523344/role-of-g3bp1-in-glucocorticoid-receptor-mediated-microrna-15b-and-microrna-23a-biogenesis-in-endothelial-cells
#17
Hoi-Hin Kwok, Po-Ying Poon, Kylie Hin-Man Mak, Lin-Yao Zhang, Pei Liu, Huoming Zhang, Nai-Ki Mak, Patrick Ying-Kit Yue, Ricky Ngok-Shun Wong
MicroRNAs (miRNAs) are a family of non-coding RNAs that play crucial roles in regulating various normal cellular responses. Recent studies revealed that the canonical miRNA biogenesis pathway is subject to sophisticated regulation. Hormonal control of miRNA biogenesis by androgen and estrogen has been demonstrated, but the direct effects of the glucocorticoid receptor (GR) on miRNA biogenesis are unknown. This study revealed the role of GR in miRNA maturation. We showed that two GR agonists, dexamethasone and ginsenoside-Rg1 rapidly suppressed the expression of mature miR-15b, miR-23a, and miR-214 in human endothelial cells...
May 18, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28523307/mir-149-rs2292832-c-t-polymorphism-and-risk-of-gastric-cancer
#18
Raluca Alexandra Cîmpeanu, Dragoş Marian Popescu, Florin Burada, Mihai Gabriel Cucu, Dan IonuŢ Gheonea, Mihai Ioana, Ion Rogoveanu
Accumulating evidence that microRNA (miRNA) genes are involved in different processes associated with gastric carcinogenesis. The polymorphisms located on miRNA sequences may affect the interaction with their target messenger RNAs (mRNAs) and, consequently, genetic susceptibility to disease. The aim of our study was to investigate the association of miR-149 rs2292832 C>T polymorphism and gastric cancer susceptibility in Romanian patients. A total of 142 patients with gastric adenocarcinoma and 288 healthy controls were included in this study...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28520992/interplay-between-mir-574-3p-and-hnrnp-l-regulates-vegfa-mrna-translation-and-tumorigenesis
#19
Peng Yao, Jiangbin Wu, Daniel Lindner, Paul L Fox
MicroRNAs (miRNAs) and heterogeneous nuclear ribonucleoproteins (hnRNPs) are families of sequence-specific, posttranscriptional modulators of gene expression. Despite extensive mechanistic and functional studies on both regulatory classes, the interactions and crosstalk between them are largely unexplored. We have reported that competition between miR-297 and hnRNP L to bind a 3΄UTR-localized CA-rich element (CARE) of VEGFA mRNA regulates its translation. Here, we show that translation of VEGFA mRNA in human myeloid cells is dictated by a bi-directional interaction between miR-574-3p, a CA-rich microRNA, and hnRNP L...
May 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28515293/virus-like-vesicles-of-kaposi-s-sarcoma-associated-herpesvirus-activate-lytic-replication-through-triggering-differentiation-signaling
#20
Danyang Gong, Xinghong Dai, Yuchen Xiao, Yushen Du, Travis J Chapa, Jeffrey R Johnson, Xinmin Li, Nevan J Krogan, Hongyu Deng, Ting-Ting Wu, Ren Sun
Virus-like vesicles (VLVs) are membrane enclosed vesicles that resemble native enveloped viruses in organization, but lack viral capsid and genome. During the productive infection of tumor associated gamma-herpesviruses, both virions and VLVs are produced and released into the extracellular space. However, studies of gamma-herpesvirus associated VLVs have been largely restricted by the technical difficulty of separating VLVs from mature virions. Here, we report a strategy of using a Kaposi's sarcoma-associated herpesvirus (KSHV) mutant defective in small capsid protein, unable to produce mature virions, to selectively isolate VLVs...
May 17, 2017: Journal of Virology
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