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miR-142-3p

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https://www.readbyqxmd.com/read/28993242/a-distinct-microrna-expression-profile-is-associated-with-%C3%AE-11-c-methyl-l-tryptophan-amt-pet-uptake-in-epileptogenic-cortical-tubers-resected-from-patients-with-tuberous-sclerosis-complex
#1
Shruti Bagla, Daniela Cukovic, Eishi Asano, Sandeep Sood, Aimee Luat, Harry T Chugani, Diane C Chugani, Alan A Dombkowski
Tuberous sclerosis complex (TSC) is characterized by hamartomatous lesions in various organs and arises due to mutations in the TSC1 or TSC2 genes. TSC mutations lead to a range of neurological manifestations including epilepsy, cognitive impairment, autism spectrum disorders (ASD), and brain lesions that include cortical tubers. There is evidence that seizures arise at or near cortical tubers, but it is unknown why some tubers are epileptogenic while others are not. We have previously reported increased tryptophan metabolism measured with α[(11)C]-methyl-l-tryptophan (AMT) positron emission tomography (PET) in epileptogenic tubers in approximately two-thirds of patients with tuberous sclerosis and intractable epilepsy...
October 7, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28977934/shuanghuang-shengbai-granule-cures-myelosuppression-and-suppresses-lung-cancer-progression-mechanism-and-therapeutic-targets-from-the-aspect-of-micrornas
#2
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...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28976967/a-viral-sm-class-rna-base-pairs-with-mrnas-and-recruits-micrornas-to-inhibit-apoptosis
#3
Carlos Gorbea, Tim Mosbruger, Demián Cazalla
Viruses express several classes of non-coding RNAs; the functions and mechanisms by which most of these act are unknown. Herpesvirus saimiri, a γ-herpesvirus that establishes latency in the T cells of New World primates and has the ability to cause aggressive leukaemias and lymphomas in non-natural hosts, expresses seven small nuclear uracil-rich non-coding RNAs (called HSURs) in latently infected cells. These HSURs associate with Sm proteins, and share biogenesis and structural features with cellular Sm-class small nuclear RNAs...
October 12, 2017: Nature
https://www.readbyqxmd.com/read/28970833/differential-expression-of-micrornas-in-leprosy-skin-lesions
#4
Cleverson T Soares, Ana P F Trombone, Luciana R V Fachin, Patricia S Rosa, Cássio C Ghidella, Rodrigo F Ramalho, Mabel G Pinilla, Alex F Carvalho, Dirce N Carrara, Fernando A Soares, Andrea F F Belone
Leprosy, a chronic infectious disease caused by Mycobacterium leprae, is a major public health problem in poor and developing countries of the Americas, Africa, and Asia. MicroRNAs (miRNAs), which are small non-coding RNAs (18-24 nucleotides), play an important role in regulating cell and tissue homeostasis through translational downregulation of messenger RNAs (mRNAs). Deregulation of miRNA expression is important for the pathogenesis of various neoplastic and non-neoplastic diseases and has been the focus of many publications; however, studies on the expression of miRNAs in leprosy are rare...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28968594/mirna-expression-profile-of-the-myocardial-tissue-of-pigs-with-coronary-microembolization
#5
Qiang Su, Lang Li, Jinmin Zhao, Yuhan Sun, Huafeng Yang
BACKGROUND/AIMS: Coronary microembolization (CME) is a serious complication of coronary heart disease and is considered as a strong predictor of poor long-term prognosis and major cardiac adverse events. Here, we identified differentially expressed microRNAs (miRNAs) in the myocardial tissue of CME pigs, and predicted and analyzed the possible functions of their target genes. METHODS: Twelve Bama mini-pigs were randomly assigned to the sham and CME group (n = 6 in each group)...
October 2, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28962835/identification-and-validation-of-the-microrna-response-elements-in-the-3-untranslated-region-of-the-udp-glucuronosyltransferase-ugt-2b7-and-2b15-genes-by-a-functional-genomics-approach
#6
Ioannis Papageorgiou, Michael H Court
Posttranscriptional repression of UDP-glucuronosyltransferase (UGT) 2B7 and 2B15 expression by microRNAs (miRNAs) may be an important mechanism underlying inter-individual variability in drug glucuronidation. Furthermore, the UGT2B15 3'-UTR contains a common SNP (rs3100) that could influence miRNA binding. The aim of this study was to identify the complete complement of miRNAs that could regulate UGT2B7 and UGT2B15 expression through binding to the reference and/or variant 3'-UTRs. Luciferase reporter plasmids containing either the reference or variant 3'-UTRs were screened against a 2,048 human miRNA library to identify those miRNAs that decrease luciferase activity by at least 30% when co-transfected into HEK293 cells...
September 28, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28880456/urinary-mir-155-5p-and-cxcl10-as-prognostic-and-predictive-biomarkers-of-rejection-graft-outcome-and-treatment-response-in-kidney-transplantation
#7
Olga Millán, Klemens Budde, Claudia Sommerer, Irene Aliart, Olesja Rissling, Beatriz Bardaji, Maaren Matz, Martin Zeier, Irene Silva, Lluis Guirado, Mercè Brunet
BACKGROUND AND PURPOSE: MicroRNAs (miRNAs) may be useful biomarkers of rejection and allograft outcome in kidney transplantation. Elevated urinary CXCL10 levels have been associated with acute rejection (AR) and may predict allograft failure. We examined the correlation of miRNA, CXCL10 levels and immunosuppressive drug exposure with AR and graft function in kidney transplant recipients. EXPERIMENTAL APPROACH: Eighty de novo kidney transplant recipients were recruited from four European centres...
September 7, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28794294/upregulated-expression-of-circulating-micrornas-in-kidney-transplant-recipients-with-interstitial-fibrosis-and-tubular-atrophy
#8
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/28754845/shuanghuang-shengbai-granule-cures-myelosuppression-and-suppresses-lung-cancer-progression-mechanism-and-therapeutic-targets-from-the-aspect-of-micrornas
#9
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
#10
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
#11
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
#12
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/28678919/microrna-142-3p-inhibits-apoptosis-and-inflammation-induced-by-bleomycin-through-down-regulation-of-cox-2-in-mle-12-cells
#13
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
#14
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
#15
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
#16
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/28617557/expression-of-microrna-142-3p-in-cervical-cancer-and-its-correlation-with-prognosis
#17
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/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/28478796/platelet-derived-mir-142-3p-induces-apoptosis-of-endothelial-cells-in-hypertension
#19
H Bao, Q-P Yao, K Huang, X-H Chen, Y Han, Z-L Jiang, L-Z Gao, Y-X Qi
The dysfunction of endothelial cells (ECs) plays crucial roles in vascular remodeling during hypertension. Researches suggested that ECs are regulated by the circulating platelets in vivo, which may participate in abnormal EC apoptosis in hypertension. However the molecular mechanism in this process is still unclear. Here we focused on the microRNAs (miRs) in platelets, and detected the potential role and delivery mechanism of platelet-derived miRs in ECs. Using microarray, the differentially expressed profile of miRs between platelets and ECs was detected...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28471480/microrna-142-controls-thymocyte-proliferation
#20
Alexander Mildner, Elik Chapnik, Diana Varol, Tegest Aychek, Nardi Lampl, Natalia Rivkin, Anita Bringmann, Franziska Paul, Sigalit Boura-Halfon, Yifat Segal Hayoun, Zohar Barnett-Itzhaki, Ido Amit, Eran Hornstein, Steffen Jung
T-cell development is a spatially and temporally regulated process, orchestrated by well-defined contributions of transcription factors and cytokines. Here, we identify the noncoding RNA miR-142 as an additional regulatory layer within murine thymocyte development and proliferation. MiR-142 deficiency impairs the expression of cell cycle-promoting genes in mature mouse thymocytes and early progenitors, accompanied with increased levels of cyclin-dependent kinase inhibitor 1B (Cdkn1b, also known as p27(Kip1) )...
July 2017: European Journal of Immunology
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