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MiR-146a gene

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https://www.readbyqxmd.com/read/28819455/microvesicles-as-potential-biomarkers-for-the-identification-of-senescence-in-human-mesenchymal-stem-cells
#1
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
#2
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
#3
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
#4
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
#5
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...
July 31, 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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28689512/circulating-mir-23b-3p-mir-145-5p-and-mir-200b-3p-are-potential-biomarkers-to-monitor-acute-pain-associated-with-laminitis-in-horses
#12
C Lecchi, E Dalla Costa, D Lebelt, V Ferrante, E Canali, F Ceciliani, D Stucke, M Minero
Circulating microRNAs (miRNAs) are emerging as promising biomarkers for several disorders and related pain. In equine practice, acute laminitis is a common disease characterised by intense pain that severely compromises horse welfare. Recently, the Horse Grimace Scale (HGS), a facial expression-based pain coding system, was shown to be a valid welfare indicator to identify pain linked to acute laminitis. The present study aimed to: determine whether miRNAs can be used as biomarkers for acute pain in horses (Equus caballus) affected by laminitis; integrate miRNAs to their target genes and to categorise target genes for biological processes; gather additional evidence on concurrent validity of HGS by investigating how it correlates to miRNAs...
July 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28654546/sex-specific-effect-of-rnasel-rs486907-and-mir-146a-rs2910164-polymorphisms-interaction-as-a-susceptibility-factor-for-melanoma-skin-cancer
#13
Antonella Sangalli, Elisa Orlandi, Albino Poli, Andrea Maurichi, Mario Santinami, Morena Nicolis, Silvia Ferronato, Giovanni Malerba, Monica Rodolfo, Macarena Gomez Lira
The genetics of melanoma is complex and, in addition to environmental influences, numerous genes are involved or contribute toward melanoma predisposition. In this study, we evaluated the possible interaction between miR-146a and one of its putative targets ribonuclease L (RNASEL) in the risk of sporadic melanoma. Polymorphisms rs2910164 in miR-146a and rs486907 in the RNASEL gene have both independently been associated with the risk of different cancers, and an interaction between them has been observed in nonmelanoma skin cancer...
August 2017: Melanoma Research
https://www.readbyqxmd.com/read/28637335/astrocyte-produced-mir-146a-as-a-mediator-of-motor-neuron-loss-in-spinal-muscular-atrophy
#14
Samantha L Sison, Teresa N Patitucci, Emily R Seminary, Eric Villalon, Christian L Lorson, Allison D Ebert
Spinal muscular atrophy (SMA), the leading genetic cause of infant mortality, is caused by loss of the survival motor neuron-1 (SMN1) gene, which leads to motor neuron loss, muscle atrophy, respiratory distress, and death. Motor neurons exhibit the most profound loss, but the mechanisms underlying disease pathogenesis are not fully understood. Recent evidence suggests that motor neuron extrinsic influences, such as those arising from astrocytes, contribute to motor neuron malfunction and loss. Here we investigated both loss-of-function and toxic gain-of-function astrocyte mechanisms that could play a role in SMA pathology...
June 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28626163/lower-serum-levels-of-mir-29c-3p-and-mir-19b-3p-as-biomarkers-for-alzheimer-s-disease
#15
Yuquan Wu, Juan Xu, Jing Xu, Jun Cheng, Demin Jiao, Chun Zhou, Yi Dai, Qingyong Chen
MicroRNAs (miRNAs) are short noncoding RNA that participate in posttranscriptional gene regulation. However, little is understood about the roles of miRNAs in Alzheimer's disease (AD). In this study, we used next-generation sequencing on RNA extracted from the serum samples of 20 AD patients and 20 controls, yielding a total of 72 miRNAs with significantly changed expression levels. Among these candidates, we selected 9 miRNAs with most significant alteration in disease, and validated their expression levels using RT-qPCR analysis on serum samples from 45 AD patients and 40 control subjects...
June 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28621736/a-panel-of-micrornas-as-diagnostic-biomarkers-for-the-identification-of-prostate-cancer
#16
Rhonda Daniel, Qianni Wu, Vernell Williams, Gene Clark, Georgi Guruli, Zendra Zehner
Prostate cancer is the most common non-cutaneous cancer among men; yet, current diagnostic methods are insufficient, and more reliable diagnostic markers need to be developed. One answer that can bridge this gap may lie in microRNAs. These small RNA molecules impact protein expression at the translational level, regulating important cellular pathways, the dysregulation of which can exert tumorigenic effects contributing to cancer. In this study, high throughput sequencing of small RNAs extracted from blood from 28 prostate cancer patients at initial stages of diagnosis and prior to treatment was used to identify microRNAs that could be utilized as diagnostic biomarkers for prostate cancer compared to 12 healthy controls...
June 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28617531/controlled-release-mitomycin-c-polylactic-acid-film-prevents-epidural-scar-hyperplasia-after-laminectomy-by-inducing-fibroblast-autophagy-and-regulating-the-expression-of-mirnas
#17
B-B Wang, H Xie, T Wu, N Xie, J Wu, Y Gu, F Tang, J Liu
OBJECTIVE: To design a new controlled-release MMC-PLA film and explore whether and how this film could prevent epidural scar hyperplasia and adhesion in a post-laminectomy rat model. MATERIALS AND METHODS: All procedures were performed under the approval and supervision of the Institutional Animal Care and Use Committee (IACUC) of Nanjing Medical University. A total of 120 Sprague-Dawley (SD) rats were randomly placed into four groups after laminectomy (each group=30 rats)...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28614786/association-of-mir-146a-mir-149-mir-196a2-mir-499-gene-polymorphisms-with-ischemic-stroke-in-a-chinese-people
#18
Hong-Cheng Luo, Qi-Sheng Luo, Chun-Fang Wang, Ming Lei, Bei-Lin Li, Ye-Sheng Wei
This study aimed to investigate genetic polymorphisms of miR-146a, miR-149, miR-196a2, and miR-499 and genetic susceptibility of ischemic stroke in the population of Guangxi in China. A case-control study was used to investigate miRNAs genetic polymorphisms in 298 patients with ischemic stroke and 303 healthy controls. Single-base extension polymerase chain reaction genotyping principle was used to detect genetic polymorphisms of miRNAs,and the relationship of genotype in each group and blood lipid was compared and analyzed...
June 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28609461/association-between-polymorphisms-in-pre-mirna-genes-and-risk-of-oral-squamous-cell-cancer-in-a-chinese-population
#19
Enjiao Zhang, Zhongfei Xu, Weiyi Duan, Shaohui Huang, Li Lu
BACKGROUND: MicroRNAs play important roles in the development of human cancers. This case-control study is to evaluate the roles of the polymorphisms in pre-miRNAs on risk of oral cancer in a Chinese population. METHODS: The genotypes of three polymorphisms were determined in 340 patients with oral squamous cell cancer and 340 healthy controls who were frequency matched for age and sex. Odds ratios (ORs) and 95% confidence intervals (95%CIs) were calculated to assess the association...
2017: PloS One
https://www.readbyqxmd.com/read/28597969/the-role-of-epigenetic-regulation-and-pluripotency-related-micrornas-in-differentiation-of-pancreatic-stem-cells-to-beta-cells
#20
Ediz Coskun, Merve Ercin, Selda Gezginci-Oktayoglu
In this study, we aimed to research class-I HDACs and glucose on differentiation of pancreatic islet derived mesenchymal stem cells (PI-MSCs) to beta cells. Beta cell differentiation determined by flow cytometric analysis and gene expression levels of PDX1, PAX4, PAX6, NKX6.1, NGN3, INS2, and GLUT2. The valproic acid, is an inhibitor of class I HDACs, caused the highest beta cell differentiation in PI-MSCs. However, the cells in this group were at early stages of differentiation. Glucose co-administration to this group carried the differentiation to higher levels, but these newly formed beta cells were not functional...
June 9, 2017: Journal of Cellular Biochemistry
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