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MiR-146a gene

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https://www.readbyqxmd.com/read/28916716/deregulation-of-microrna-expression-in-purified-t-and-b-lymphocytes-from-patients-with-primary-sj%C3%A3-gren-s-syndrome
#1
Shu-Fang Wang-Renault, Saida Boudaoud, Gaétane Nocturne, Elodie Roche, Nelly Sigrist, Christian Daviaud, Andreas Bugge Tinggaard, Victor Renault, Jean-François Deleuze, Xavier Mariette, Jörg Tost
OBJECTIVE: MicroRNAs (miRNAs) play an important role in the pathogenesis of autoimmune diseases such as primary Sjögren's syndrome (pSS). This study is the first to investigate miRNA expression patterns in purified T and B lymphocytes from patients with pSS using a high-throughput quantitative PCR (qPCR) approach. METHODS: Two independent cohorts of both patients with pSS and controls, one for discovery and one for replication, were included in this study. CD4+ T cells and CD19+ B cells were isolated from peripheral blood mononuclear cells by magnetic microbeads and expression of miRNAs was profiled using the Exiqon Human miRNome panel I analysing 372 miRNAs...
September 15, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28910400/293texosome-mediated-mir-146a-transfer-suppresses-type-i-interferon-response-and-facilitates-ev71-infection
#2
Yuxuan Fu, Li Zhang, Fang Zhang, Ting Tang, Qi Zhou, Chunhong Feng, Yu Jin, Zhiwei Wu
Exosomes can transfer genetic materials between cells. Their roles in viral infections are beginning to be appreciated. Researches have shown that exosomes released from virus-infected cells contain a variety of viral and host cellular factors that are able to modulate recipient's cellular response and result in productive infection of the recipient host. Here, we showed that EV71 infection resulted in upregulated exosome secretion and differential packaging of the viral genomic RNA and miR-146a into exosomes...
September 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28903352/analysis-of-bos-taurus-and-sus-scrofa-x-and-y-chromosome-transcriptome-highlights-reproductive-driver-genes
#3
Faheem Ahmed Khan, Hui Liu, Hao Zhou, Kai Wang, Muhammad Tahir Ul Qamar, Nuruliarizki Shinta Pandupuspitasari, Zhang Shujun
The biology of sperm, its capability of fertilizing an egg and its role in sex ratio are the major biological questions in reproductive biology. To answer these question we integrated X and Y chromosome transcriptome across different species: Bos taurus and Sus scrofa and identified reproductive driver genes based on Weighted Gene Co-Expression Network Analysis (WGCNA) algorithm. Our strategy resulted in 11007 and 10445 unique genes consisting of 9 and 11 reproductive modules in Bos taurus and Sus scrofa, respectively...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901447/microrna%C3%A2-146a-promotes-the-proliferation-of-rat-vascular-smooth-muscle-cells-by-downregulating-p53-signaling
#4
Yu Luo, Wei Xiong, Shaohong Dong, Feng Liu, Huadong Liu, Jianghua Li
The present study aimed to detect and verify gene expression profile differences for microRNA (miR)‑146a and its role in the proliferation of vascular smooth muscle cells (VSMCs). Artificially synthesized miR‑146a mimics, miR‑146 inhibitor, scramble‑miRNA or PBS was transfected into cultured primary rat VSMCs in vitro. Reverse transcription‑quantitative polymerase chain reaction confirmed that the miR‑146a expression level was significantly decreased in VSMCs treated with miR‑146a inhibitor (P<0...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28899898/investigating-the-association-of-rs2910164-with-cancer-in-irish-patients
#5
Terri Patricia McVeigh, Robert J Mulligan, Una Mary McVeigh, Patrick W Owens, Nicola Miller, Marcia Bell, Frederic Sebag, Carole Guerin, Denis Quill, Joanne Barnes Weidhaas, Michael Kerin, Aoife J Lowery
INTRODUCTION: Micro(mi)-RNAs are small non-coding RNA molecules that exert post-transcriptional effects on gene expression by binding with cis-regulatory regions in target messenger-(m)RNA. MiR146a has a role in inflammation, and may have a role as a tumour suppressor. The polymorphism rs2910164 in pre-mir146a has been implicated in inflammatory pathologies, including cancers of the breast and thyroid; although evidence for association is conflicting in different populations. We aimed to investigate the association of this variant with these two cancers in an Irish cohort...
September 12, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28899883/microrna-146a-mimics-reduce-the-peripheral-neuropathy-in-type-ii-diabetic-mice
#6
Xian Shuang Liu, Baoyan Fan, Alexandra Szalad, Longfei Jia, Lei Wang, Xinli Wang, Wanlong Pan, Li Zhang, Ruilan Zhang, Jiani Hu, Xiao Ming Zhang, Michael Chopp, Zheng Gang Zhang
MicroRNA-146a (miR-146a) regulates multiple immune diseases. However, the role of miR-146a in diabetic peripheral neuropathy (DPN) has not been investigated. We found that mice (db/db) with type II diabetes exhibited substantial down-regulation of miR-146a in sciatic nerve tissue. Systemic administration of miR-146a mimics to diabetic mice elevated miR-146a levels in plasma and sciatic nerve tissue and substantially increased motor and sensory nerve conduction velocities by 29% and 11%, respectively, and regional blood flow by 50% in sciatic nerve tissue...
September 12, 2017: Diabetes
https://www.readbyqxmd.com/read/28882869/extracellular-vesicles-secreted-by-atherogenic-macrophages-transfer-microrna-to-inhibit-cell-migration
#7
My-Anh Nguyen, Denuja Karunakaran, Michele Geoffrion, Henry S Cheng, Kristofferson Tandoc, Ljubica Perisic Matic, Ulf Hedin, Lars Maegdefessel, Jason E Fish, Katey J Rayner
OBJECTIVE: During inflammation, macrophages secrete vesicles carrying RNA, protein, and lipids as a form of extracellular communication. In the vessel wall, extracellular vesicles (EVs) have been shown to be transferred between vascular cells during atherosclerosis; however, the role of macrophage-derived EVs in atherogenesis is not known. Here, we hypothesize that atherogenic macrophages secrete microRNAs (miRNAs) in EVs to mediate cell-cell communication and promote proinflammatory and proatherogenic phenotypes in recipient cells...
September 7, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28877936/alterations-in-bronchial-airway-microrna-expression-for-lung-cancer-detection
#8
Ana B Pavel, Joshua D Campbell, Gang Liu, David A Elashoff, Steven M Dubinett, Kate Smith, Duncan Whitney, Marc E Lenburg, Avrum E Spira
We have previously shown that gene-expression alterations in normal-appearing bronchial epithelial cells can serve as a lung cancer detection biomarker in smokers. Given that microRNAs regulate airway gene-expression responses to smoking, we evaluated whether microRNA-expression is also altered in the bronchial epithelium of smokers with lung cancer. Using epithelial brushings from the mainstem bronchus of patients undergoing bronchoscopy for suspected lung cancer (as part of the AEGIS-1/2 clinical trials), we profiled microRNA-expression via small-RNA sequencing from 347 current and former smokers for which gene-expression data was also available...
September 6, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28841705/single-nucleotide-polymorphisms-at-mir-146a-196a2-and-their-primary-ovarian-insufficiency-related-target-gene-regulation-in-granulosa-cells
#9
Sung Hwan Cho, Hui Jeong An, Kyung Ah Kim, Jung Jae Ko, Ji Hyang Kim, Young Ran Kim, Eun Hee Ahn, HyungChul Rah, Woo Sik Lee, Nam Keun Kim
MicroRNAs post-transcriptionally regulate gene expression in animals and plants. The aim of this study was to identify new target genes for microRNA polymorphisms (miR-146aC>G and miR-196a2T>C) in primary ovarian insufficiency (POI). We cloned and transfected miR-146aC>G and miR-196a2T>C into human granulosa cells and used microarrays and qPCR-arrays to examine the changes in the messenger RNA expression profile. We show miR-146aC>G and miR-196a2T>C change the mRNA expression patterns in granulosa cell...
2017: PloS One
https://www.readbyqxmd.com/read/28819455/microvesicles-as-potential-biomarkers-for-the-identification-of-senescence-in-human-mesenchymal-stem-cells
#10
Qian Lei, Teng Liu, Fei Gao, Hui Xie, Li Sun, Aiqi Zhao, Wenxiang Ren, Hao Guo, Liming Zhang, Hongxiang Wang, Zhichao Chen, An-Yuan Guo, Qiubai Li
Senescence in human mesenchymal stem cells (MSCs) not only contributes to organism aging and the development of a variety of diseases but also severely impairs their therapeutic properties as a promising cell therapy. Studies searching for efficient biomarkers that represent cellular senescence have attracted much attention; however, no single marker currently provides an accurate cell-free representation of cellular senescence. Here, we studied characteristics of MSC-derived microvesicles (MSC-MVs) that may reflect the senescence in their parental MSCs...
2017: Theranostics
https://www.readbyqxmd.com/read/28801378/relationship-between-mir-146a-rs2910164-g-c-polymorphism-and-digestive-system-cancer-susceptibility-a-meta-analysis
#11
Xin Xiong, Junfeng Yan, Linghua Li, Yun Li, Yi Cao, Yi Tu, Jinhong Mei
MicroRNAs (miRNAs) are identified negatively regulating gene expression and acting as oncogenes or tumor suppressors in tumorigenesis. The association between miR-146a rs2910164 (G>C) polymorphism and susceptibility to digestive system cancers was contradictory and inconsistent in previously published studies. Presently, we performed a comprehensive literature retrieve on PubMed, Web of Science, Embase, Wanfang and CNKI databases to identify all relevant studies published before July 30, 2016. Odds ratio (OR) and 95% confidential interval (95%CI) were used to calculate the relationship between miR-146a rs2910164 (G>C) polymorphism and digestive system cancers susceptibility...
August 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28783765/identification-of-aminosulfonylarylisoxazole-as-microrna-31-regulators
#12
Kyungtaek Im, Jiho Song, Young Taek Han, Seul Lee, Soowon Kang, Kwang Woo Hwang, Hyeyoung Min, Kyung Hoon Min
The discovery of small-molecule regulators of microRNAs remains challenging, but a few have been reported. Herein, we describe small-molecule inhibitors of miR-31, a tumor-associated microRNA (miRNA), identified by high-throughput screening using a cell-based reporter assay. Aminosulfonylarylisoxazole compounds exhibited higher specificity for miR-31 than for six other miRNAs, i.e., miR-15a, miR-16, miR-21, miR-92a-1, miR-146a, and miR-155, and increased the expression of miR-31 target genes. The down-regulation of mature miR-31 was observed, while its precursor form increased following treatment with the compounds...
2017: PloS One
https://www.readbyqxmd.com/read/28767396/mir-146a-promotes-growth-of-osteosarcoma-cells-by-targeting-znrf3-gsk-3%C3%AE-%C3%AE-catenin-signaling-pathway
#13
Chun Zhou, Chang-Qing Jiang, Zhen Zong, Jia-Chen Lin, Li-Feng Lao
MicroRNA-146a-5p (miR-146a) functions as a tumor suppressor or oncogene involved in multiple biological processes. But, the underlying molecular mechanisms by which miR-146a contributes to osteosarcoma (OS) remain unclear. The correlation of miR-146a expression with clinicopathologic characteristics and prognosis of OS patients was analyzed by Kaplan-Meier and Cox regression analysis. Cell growth in vitro and in vivo was assessed by MTT, cell colony formation and animal models. The target of miR-146a was identified by bioinformatics software and gene luciferase reporter...
July 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28765881/identification-of-differentially-expressed-micrornas-in-knee-anterior-cruciate-ligament-tissues-surgically-removed-from-patients-with-osteoarthritis
#14
Bin Li, Lunhao Bai, Peng Shen, Yue Sun, Zhizuo Chen, Yu Wen
The degradation of cruciate ligaments is frequently observed in degenerative joint diseases, such as osteo-arthritis (OA). The present study aimed to identify the differentially expressed microRNAs (miRNAs or miRs) in knee anterior cruciate ligament (ACL) tissues derived from patients with OA and in health subjects (non-OA). By using Affymetrix miRNA 4.0 microarrays, a total of 22 miRNAs (including let-7f-5p, miR-26b-5p and miR-146a-5p) were found to be upregulated, while 17 (including miR-18a-3p, miR-138-5p and miR-485-3p) were downregulated in the osteoarthritic ACL tissues (fold change ≥2, P-value <0...
October 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28740576/the-chemokine-scavenging-receptor-d6-ackr2-is-a-target-of-mir-146a-in-thyroid-cancer
#15
Francesco Pacifico, Alessio Lepore, Stefano Mellone, Luca Sanguigno, Giorgia Federico, Adelaide Greco, Arturo Brunetti, Antonio Leonardi
We have previously shown that miR-146a, a NF-κB-regulated microRNA, is strongly expressed in human specimens and cell lines derived from anaplastic thyroid carcinomas (ATC) where it mediates some of the NF-κB pro-tumorigenic functions. By using a bioinformatic analysis, we identified the chemokine scavenger receptor D6/ ACKR2 as a target of miR146a in human ATC. We found that the expression of D6/ ACKR2 was up-regulated in miR-146a-null ATC cell lines and that the 3' UTR of D6/ ACKR2 mRNA was able to inhibit its expression in parental, but not in miR-146a-null ATC cells...
May 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28727754/dysregulation-of-endothelial-colony-forming-cell-function-by-a-negative-feedback-loop-of-circulating-mir-146a-and-146b-in-cardiovascular-disease-patients
#16
Ting-Yu Chang, Wei-Chi Tsai, Tse-Shun Huang, Shu-Han Su, Chih-Young Chang, Hsiu-Yen Ma, Chun-Hsien Wu, Chih-Yung Yang, Chi-Hung Lin, Po-Hsun Huang, Cheng-Chung Cheng, Shu-Meng Cheng, Hsei-Wei Wang
Functional impairment of endothelial colony-forming cells (ECFCs), a specific cell lineage of endothelial progenitor cells (EPCs) is highly associated with the severity of coronary artery disease (CAD), the most common type of cardiovascular disease (CVD). Emerging evidence show that circulating microRNAs (miRNAs) in CAD patients' body fluid hold a great potential as biomarkers. However, our knowledge of the role of circulating miRNA in regulating the function of ECFCs and the progression of CAD is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/28718798/co-expression-network-and-pathway-analyses-reveal-important-modules-of-mirnas-regulating-milk-yield-and-component-traits
#17
Duy N Do, Pier-Luc Dudemaine, Ran Li, Eveline M Ibeagha-Awemu
Co-expression network analyses provide insights into the molecular interactions underlying complex traits and diseases. In this study, co-expression network analysis was performed to detect expression patterns (modules or clusters) of microRNAs (miRNAs) during lactation, and to identify miRNA regulatory mechanisms for milk yield and component traits (fat, protein, somatic cell count (SCC), lactose, and milk urea nitrogen (MUN)) via miRNA target gene enrichment analysis. miRNA expression (713 miRNAs), and milk yield and components (Fat%, Protein%, lactose, SCC, MUN) data of nine cows at each of six different time points (day 30 (D30), D70, D130, D170, D230 and D290) of an entire lactation curve were used...
July 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28711783/%C3%AE-patchoulene-from-patchouli-oil-protects-against-lps-induced-acute-lung-injury-via-suppressing-nf-%C3%AE%C2%BAb-and-activating-nrf2-pathways
#18
Xiao-Ying Chen, Yao-Xing Dou, Dan-Dan Luo, Zhen-Biao Zhang, Cai-Lan Li, Hui-Fang Zeng, Zi-Ren Su, Jian-Hui Xie, Xiao-Ping Lai, Yu-Cui Li
β-Patchoulene (β-PAE), a tricyclic sesquiterpene isolated from the essential oil of the leaves and stems of Pogostemon cablin (Blanco) Benth., has been reported to have potent anti-inflammatory activity. The aim of this study was to evaluate the potential protective effect of β-PAE on lipopolysaccharide (LPS)-induced acute lung injury (ALI) in mice and to illuminate the underlying mechanisms. ALI was induced by intracheal instillation of LPS into lung, and dexamethasone (DEX) was used as a positive control...
July 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28693226/screening-of-potentially-crucial-genes-and-regulatory-factors-involved-in-epithelial-ovarian-cancer-using-microarray-analysis
#19
Can Shi, Zhenyu Zhang
The present study aimed to screen potential genes implicated in epithelial ovarian cancer (EOC) and to further understand the molecular pathogenesis of EOC. In order to do this, datasets GSE14407 (containing 12 human ovarian cancer epithelia samples and 12 normal epithelia samples) and GSE29220 (containing 11 salivary transcriptomes from ovarian cancer patients with serous papillary adenocarcinoma and 11 matched controls) were obtained from the Gene Expression Omnibus. Differentially expressed genes (DEGs) within these datasets were screened using the Linear Models for Microarray Data package, and potential gene functions were predicted by functional and pathway enrichment analyses...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690061/bovine-mir-146a-regulates-inflammatory-cytokines-of-bovine-mammary-epithelial-cells-via-targeting-the-traf6-gene
#20
Xing-Ping Wang, Zhuo-Ma Luoreng, Lin-Sen Zan, Feng Li, Na Li
It has been reported previously that bovine miR-146a (bta-miR-146a) is significantly differentially expressed in mammary glands infected with mastitis, compared with healthy udders. This suggests that bta-miR-146a plays an important role in the regulation of mammary inflammation. However, the specifics of this function have yet to be elucidated. Bovine mammary epithelial cells (bMEC) represent the first line of defense against pathogens and have important roles in initiating and regulating inflammatory responses and innate immunity during infection...
September 2017: Journal of Dairy Science
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