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miR-142

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https://www.readbyqxmd.com/read/28801229/immunomodulation-a-definitive-role-of-microrna-142
#1
REVIEW
Salil Sharma
Majority of microRNAs are evolutionarily conserved in vertebrates. This is suggestive of their similar roles in regulation of gene networks. In addition to their conserved mature sequences and regulatory roles, a few microRNAs show very cell or tissue specific expression. These microRNAs are highly enriched in some cell types or organs. One such microRNA is microRNA-142 (miR-142). The classical stem-loop structure of miR142 encodes for two species of mature microRNAs; miR142-5p and miR142-3p. MiR-142 is abundant in cells of hematopoietic origin, and therefore, aptly plays a role in lineage differentiation of hematopoietic cells...
August 9, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28794294/upregulated-expression-of-circulating-micrornas-in-kidney-transplant-recipients-with-interstitial-fibrosis-and-tubular-atrophy
#2
Sepideh Zununi Vahed, Ahmad Poursadegh Zonouzi, Hossein Ghanbarian, Moteza Ghojazadeh, Nasser Samadi, Mohammadreza Ardalan
INTRODUCTION: The discovery of circulating microRNAs (miRNAs), as potential noninvasive diagnostic biomarkers, has opened new avenues of research for identifying transplant patients with chronic allograft dysfunction. The present study aimed to investigate the expression levels of 4 immune-related miRNAs, miR-21, miR-31, miR-142-3p, and miR-155, in plasma samples of kidney allograft recipients. MATERIALS AND METHODS: The plasma expression levels of the miRNAs were evaluated by quantitative real-time polymerase chain reaction in 53 kidney recipients with long-term stable allograft function (n = 27), biopsy-proven interstitial fibrosis and tubular atrophy (n = 26), and healthy controls (n = 15)...
July 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28772218/suppression-of-microrna-142-5p-attenuates-hypoxia-induced-apoptosis-through-targeting-sirt7
#3
Liying Zhan, Shaoqing Lei, Wenlan Li, Yuan Zhang, Huaxin Wang, Yan Shi, Yulong Tian
Increasing study has suggested that microRNAs (miRNAs) are pivotal regulators in regulating hypoxia-induced injury. miR-142-5p has been suggested as a critical regulator for cellular survival. However, the role of miR-142-5p in regulating hypoxia-induced injury remains unknown. In this study, we aimed to investigate the mechanistic roles of miR-142-5p in regulating cell survival during hypoxia treatment using H9C2 cardiomyoblasts and primary cardiomyocytes. We showed that miR-142-5p expression level was significantly repressed by hypoxia treatment...
July 31, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28769761/identification-of-the-role-of-mir-142-5p-in-alzheimer-s-disease-by-comparative-bioinformatics-and-cellular-analysis
#4
Juhyun Song, Young-Kook Kim
Alzheimer's disease (AD) is the most common neurodegenerative disease characterized by the formation of amyloid beta (Aβ) or tau protein aggregates, the hallmark of cognitive decline. MicroRNAs (miRNAs) have emerged as critical factors in neurogenesis and synaptic functions in the central nervous system (CNS). Recent studies have reported alterations in miRNA expression in patients with AD. However, miRNAs associated with AD varied with patient groups or experimental models, suggesting the need for a comparative study to identify miRNAs commonly dysregulated in diverse AD models...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28754845/shuanghuang-shengbai-granule-cures-myelosuppression-and-suppresses-lung-cancer-progression-mechanism-and-therapeutic-targets-from-the-aspect-of-micrornas
#5
Shuang Wang, Zhenye Xu, Lifang Wang
BACKGROUND: Shuanghuang Shengbai granule is effective in curing cyclophosphamide-induced myelosuppression without promoting lung cancer development. This study aims to investigate its mechanism and therapeutic targets. METHODS: Nude mice with lung cancer were treated with physiological saline (control), cyclophosphamide, or cyclophosphamide + Shuanghuang Shengbai. MicroRNA microarray was used to investigate the differentially expressed microRNAs in lung cancer stem cells or bone marrow hematopoietic stem cells between the three groups...
July 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28740575/identification-of-novel-diagnostic-and-prognostic-mirna-signatures-in-endometrial-cancer
#6
Muralidharan Jayaraman, Rangasudhagar Radhakrishnan, Cara A Mathews, Mingda Yan, Sanam Husain, Katherine M Moxley, Yong Sang Song, Danny N Dhanasekaran
With the goal of identifying diagnostic and prognostic biomarkers in endometrial cancer, miRNA-profiling was carried out with formalin-fixed paraffin embedded (FFPE) tissue samples from 49 endometrial cancer patients. Results using an 84-cancer specific miRNA panel identified the upregulation of miR-141-3p and miR-96-5p along with a downregulation of miR-26, miR-126-3p, miR-23b, miR-195-5p, miR-374a and let-7 family of miRNAs in endometrial cancer. We validated the dysregulated expression of the identified miRNAs in a panel of endometrial cancer cell-lines...
May 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28739526/chronic-mild-stress-exacerbates-severity-of-experimental-autoimmune-encephalomyelitis-in-association-with-altered-non-coding-rna-and-metabolic-biomarkers
#7
Brietta Gerrard, Vaibhav Singh, Olena Babenko, Isabelle Gauthier, V Wee Yong, Igor Kovalchuk, Artur Luczak, Gerlinde A S Metz
The causal factors determining the onset and severity of multiple sclerosis (MS) are not well understood. Here, we investigated the influence of chronic stress on clinical symptoms, metabolic and epigenetic manifestations of experimental autoimmune encephalomyelitis (EAE), a common animal model of MS. Lewis rats were immunized for monophasic EAE with MBP69-88 and were exposed to chronic stress for 37days starting 7days prior to immunization. The exposure to stress accelerated and exacerbated the clinical symptoms of EAE...
July 21, 2017: Neuroscience
https://www.readbyqxmd.com/read/28733034/decreased-expression-of-mir-150-mir146a-and-mir424-in-type-1-diabetic-patients-association-with-ongoing-islet-autoimmunity
#8
Guofeng Wang, Yong Gu, Ning Xu, Mei Zhang, Tao Yang
BACKGROUND: Recent studies revealed altered miRNAs profiling in patients with autoimmune diseases, including type 1 diabetes (T1D). Here, we conducted an observational study and examined the expression levels of these five miRNAs (miR-150,miR-146a,miR-424,miR-181a and miR-142-3P) in peripheral blood mononuclear cells (PBMCs) from T1D patients. METHODS: PBMCs were obtained from T1D cohorts (n = 78), type 2 diabetes (T2D, n = 46) and healthy control subjects (n = 56)...
July 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28718798/co-expression-network-and-pathway-analyses-reveal-important-modules-of-mirnas-regulating-milk-yield-and-component-traits
#9
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/28714015/mir-142-inhibits-the-migration-and-invasion-of-glioma-by-targeting-rac1
#10
Wenyi Qin, Xiaofeng Rong, Jiangchuan Dong, Chao Yu, Juan Yang
Increasing evidence has shown that aberrant microRNAs (miRNAs) are implicated in tumorigenesis and tumor progression by regulating oncogenes or tumor suppressors. Dysregulation of miR-142 has been reported in multiple tumors. However, its clinical roles and underlying mechanism in glioma remain to be elucidated. In the present study, we found that the expression of miR-142 was significantly downregulated in both glioma tissues and cell lines by qRT-PCR. Clinical analysis revealed that decreased miR-142 was markedly associated with advanced World Health Organization (WHO) grade...
July 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28678919/microrna-142-3p-inhibits-apoptosis-and-inflammation-induced-by-bleomycin-through-down-regulation-of-cox-2-in-mle-12-cells
#11
F Guo, S C Lin, M S Zhao, B Yu, X Y Li, Q Gao, D J Lin
microRNA (miR)-142-3p is implicated in malignancy and has been identified as a biomarker for aggressive and recurrent lung adenocarcinomas. This study aimed to evaluate the inhibitory effect of miR-142-3p on apoptosis and inflammation induced by bleomycin in MLE-12 cells. MLE-12 cells were first transfected either with miR-142-3p mimic or miR-142-3p inhibitor and then the cells were exposed to 50 μg/mL of bleomycin. Thereafter, cell viability, apoptosis and the expression of pro-inflammatory cytokines were assessed using CCK-8, flow cytometry, RT-PCR and western blot analyses...
July 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28677748/salivary-mir-93-and-mir-200a-as-post-radiotherapy-biomarkers-in-head-and-neck-squamous-cell-carcinoma
#12
Thomas Greither, Freya Vorwerk, Matthias Kappler, Matthias Bache, Helge Taubert, Thomas Kuhnt, Jeremias Hey, Alexander W Eckert
Head and neck squamous cell carcinoma is the 6th most malignant tumor entity worldwide and has exhibited a 5-year mortality of approximately 50% for the last fifty years. For the therapy monitoring and successful management of this tumor entity new and easily accessible biomarkers are greatly needed. The aim of the study was to determine whether and to what extent microRNAs, a class of small regulatory RNAs, are detectable in saliva post-radiation therapy. The expression and feasibility as therapy monitoring marker of the microRNAs were analyzed by RT-qPCR in 83 saliva samples from 33 patients collected at several time points pre-, during and post-radiotherapy treatment...
June 28, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28656050/mir-142-3p-contributes-to-early-cardiac-fate-decision-of-embryonic-stem-cells
#13
Zhong-Yan Chen, Fei Chen, Nan Cao, Zhi-Wen Zhou, Huang-Tian Yang
MicroRNAs (miRNAs) play important roles in cell fate decisions. However, the miRNAs and their targets involved in the regulation of cardiac lineage specification are largely unexplored. Here, we report novel functions of miR-142-3p in the regulation of cardiomyocyte differentiation from mouse embryonic stem cells (mESCs). With a miRNA array screen, we identified a number of miRNAs significantly changed during mESC differentiation into the mesodermal and cardiac progenitor cells, and miR-142-3p was one among the markedly downregulated miRNAs...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28655995/microrna-142-3p-and-let-7g-negatively-regulates-augmented-il-6-production-in-neonatal-polymorphonuclear-leukocytes
#14
Hsin-Chun Huang, Hong-Ren Yu, Te-Yao Hsu, I-Lun Chen, Hui-Chen Huang, Jen-Chieh Chang, Kuender D Yang
Neonatal PMN are qualitatively impaired in functions, yet they frequently reveal augmented inflammatory reactions during sepsis. Here, we hypothesized that PMN from newborns produce more IL-6 than those from adults under LPS stimulation, in which transcriptional or posttranscriptional regulation is involved in the altered expression. We found that neonatal PMN produced significantly higher IL-6 mRNA and protein than adult PMN. The higher IL-6 expression was not related to transcriptional but posttranscriptional regulation as the IL-6 expression was affected by the addition of cycloheximide but not actinomycin...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28622713/mir-142-5p-promotes-development-of-colorectal-cancer-through-targeting-sdhb-and-facilitating-generation-of-aerobic-glycolysis
#15
Shaojun Liu, Zhiming Xiao, Feiyan Ai, Fen Liu, Xiong Chen, Ke Cao, Weiguo Ren, Xuemei Zhang, Peng Shu, Decai Zhang
Aberrant expression of miRNAs contributes to the development of human malignancies. A recent study revealed that miR-142-5p is increased in the serum of colorectal cancer (CRC) patients compared to health people. Using starBase v2.0, we found that succinate dehydrogenase-B (SDHB) is a potential target of miR-142-5p, while SDHB is negatively correlated to cancer development through regulating energetic metabolism. Based on these information, this study further examined the expression profiles of miR-142-5p and SDHB in CRC tissues and cell lines using PCR and Western blotting...
August 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28617557/expression-of-microrna-142-3p-in-cervical-cancer-and-its-correlation-with-prognosis
#16
M Li, B-Y Li, H Xia, L-L Jiang
OBJECTIVE: The aim of current study was to assess the association between miR-142-3p expression and the prognosis of patients with cervical cancer. PATIENTS AND METHODS: Quantitative real-time polymerase chain reaction (qRT-PCR) was performed to assess the expression level of miR-142-3p in cervical cancer tissues and matched normal tissues. Then, statistical analysis was performed to determine the associations of miR-142-3p expression with the clinical features and the prognosis of cervical cancer...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28614272/quantification-of-microrna-21-and-microrna-125b-in-melanoma-tissue
#17
Anne Wandler, Rikke Riber-Hansen, Henrik Hager, Stephen J Hamilton-Dutoit, Henrik Schmidt, Boye S Nielsen, Magnus Stougaard, Torben Steiniche
Although microRNAs (miRNAs) have emerged as potent mediators of melanoma development and progression, a precise understanding of their oncogenic role remains unclear. In this study, we analysed formalin-fixed and paraffin-embedded tissues from two separate melanoma cohorts and from a series of benign melanocytic nevi. Using three different quantification methods [array analysis, quantitative PCR (qPCR) and in-situ hybridization (ISH) quantified by digital image analysis], we found considerable miRNA dysregulation in tumours...
June 13, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28560399/microrna-expression-analysis-during-fk506-induced-osteogenic-differentiation-in-rat-bone-marrow-stromal-cells
#18
Jing Zhang, Xiaoping Yu, Youcheng Yu, Yiming Gong
FK506 (also known as tacrolimus) is a potent immunosuppressive agent that is widely used in the treatment of graft-rejection and autoimmune diseases. FK506 has attracted additional attention owing to its potential role in osteogenic differentiation and bone formation. MicroRNAs (miRNAs) have been demonstrated to serve important roles in the regulation of osteogenic differentiation; however, identification of specific miRNAs and their roles in regulating FK506‑induced osteogenic differentiation have been poorly examined...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28559989/microrna-142-5p-promotes-cell-growth-and-migration-in-renal-cell-carcinoma-by-targeting-btg3
#19
Lingqi Liu, Shuchao Liu, Qixin Duan, Liang Chen, Tianpeng Wu, Huijun Qian, Sixing Yang, Dianqi Xin, Zhisong He, Yinglu Guo
PURPOSE: Some microRNA (miRNA) levels have been found to be dysregulated in cancer patients, suggesting the potential usefulness of miRNAs in cancer therapies. The purpose of this study was to investigate the expression of miR-142-5p in human renal cell carcinoma (RCC) and its potential role in tumor growth and metastasis. METHODS: The expression level of miR-142-5p in human RCC tissue and cell lines was determined by quantitative reverse transcription polymerase chain reaction analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28516065/mir-142-5p-disrupts-neuronal-morphogenesis-underlying-porcine-hemagglutinating-encephalomyelitis-virus-infection-by-targeting-ulk1
#20
Zi Li, Yungang Lan, Kui Zhao, Xiaoling Lv, Ning Ding, Huijun Lu, Jing Zhang, Huiqing Yue, Junchao Shi, Deguang Song, Feng Gao, Wenqi He
Porcine hemagglutinating encephalomyelitis virus (PHEV) invades the central nervous system (CNS) and causes neurodegenerative disease in suckling piglets, but the understanding of its neuropathogenicity for neurological dysfunction remains limited. Here, we report that miR-142-5p is localized to neurons and negatively regulates neuronal morphogenesis in porcine hemagglutinating encephalomyelitis (PHE). This phenotype was mediated by miR-142-5p inhibition of an mRNA encoding unc-51-like-kinase1 (Ulk1), which controls axon outgrowth and dendrite formation...
2017: Frontiers in Cellular and Infection Microbiology
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