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MiR-181b

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https://www.readbyqxmd.com/read/29136944/miat-promotes-proliferation-and-hinders-apoptosis-by-modulating-mir-181b-stat3-axis-in-ox-ldl-induced-atherosclerosis-cell-models
#1
Xiaoming Zhong, Xiang Ma, Lei Zhang, Yanming Li, Yunwei Li, Ruili He
BACKGROUND: Plenty of lncRNAs and microRNAs have been identified to be critical mediators in the progression of atherosclerosis (AS). Myocardial infarction-associated transcript (MIAT) were aberrantly high expressed and closely associated with the pathogenesis of AS. However, its molecular mechanism has not been well characterized. METHODS: The expression patterns of MIAT and microRNA-181b (miR-181b) in clinical samples and cells were measured by RT-qPCR assays...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29127368/diagnostic-value-of-blood-derived-micrornas-for-schizophrenia-results-of-a-meta-analysis-and-validation
#2
Sha Liu, Fuquan Zhang, Xijin Wang, Yin Yao Shugart, Yingying Zhao, Xinrong Li, Zhifen Liu, Ning Sun, Chunxia Yang, Kerang Zhang, Weihua Yue, Xin Yu, Yong Xu
There is an increasing interest in searching biomarkers for schizophrenia (SZ) diagnosis, which overcomes the drawbacks inherent with the subjective diagnostic methods. MicroRNA (miRNA) fingerprints have been explored for disease diagnosis. We performed a meta-analysis to examine miRNA diagnostic value for SZ and further validated the meta-analysis results. Using following terms: schizophrenia/SZ, microRNA/miRNA, diagnosis, sensitivity and specificity, we searched databases restricted to English language and reviewed all articles published from January 1990 to October 2016...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29116110/publisher-correction-pp2a-inhibition-from-lb100-therapy-enhances-daunorubicin-cytotoxicity-in-secondary-acute-myeloid-leukemia-via-mir-181b-1-upregulation
#3
Chao Hu, Mengxia Yu, Yanling Ren, Kongfei Li, Dominic M Maggio, Chen Mei, Li Ye, Juying Wei, Jie Jin, Zhengping Zhuang, Hongyan Tong
A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper.
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29113265/cdx2-is-involved-in-microrna-associated-inflammatory-carcinogenesis-in-gastric-cancer
#4
Motonobu Saito, Hirokazu Okayama, Katsuharu Saito, Jin Ando, Kensuke Kumamoto, Izumi Nakamura, Shinji Ohki, Yoshimasa Ishi, Seiichi Takenoshita
The development of gastric cancer is significantly associated with chronic inflammation, such as caused by Helicobacter pylori (H. pylori) infection. Caudal-type homeobox 2 (CDX2) is a homeobox protein involved in intestinal differentiation in normal and in aberrant locations, and is associated with inflammation. The authors of the present study have previously reported that CDX2 may have a suppressive role in the progression and carcinogenesis of gastric carcinoma. In the present study, the authors initially confirmed that a decreased expression of CDX2, as detected by immunohistochemistry, is associated with poor cancer-specific survival in 210 gastric cancer cases, which is consistent with several previously published studies...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29044225/microrna-181b-is-increased-in-cystic-fibrosis-cells-and-impairs-lipoxin-a4-receptor-dependent-mechanisms-of-inflammation-resolution-and-antimicrobial-defense
#5
Anna Maria Pierdomenico, Sara Patruno, Marilina Codagnone, Felice Simiele, Veronica Cecilia Mari, Roberto Plebani, Antonio Recchiuti, Mario Romano
The involvement of microRNA (miR) in cystic fibrosis (CF) pathobiology is rapidly emerging. We previously documented that miR-181b controls the expression of the ALX/FPR2 receptor, which is recognized by the endogenous proresolution ligand, lipoxin (LX)A4. Here, we examined whether the miR-181b-ALX/FPR2 circuit was altered in CF. We examined human airways epithelial cells, normal (16HBE14o-), carrying the ΔF508 mutation (CFBE41o-) or corrected for this mutation (CFBE41o-/CEP-CFTR wt 6.2 kb), as well as monocyte-derived macrophages (MΦs) from CF patients...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29044172/circulating-mir-19b-and-mir-181b-are-potential-biomarkers-for-diabetic-cardiomyopathy
#6
Camila Uribe Copier, Luis León, Mauricio Fernández, David Contador, Sebastián D Calligaris
Diabetic cardiomyopathy is characterized by metabolic changes in the myocardium that promote a slow and silent dysfunction of muscle fibers, leading to myocardium remodelling and heart failure, independently of the presence of coronary artery diseases or hypertension. At present, no imaging methods allow an early diagnosis of this disease. Circulating miRNAs in plasma have been proposed as biomarkers in the prognosis of several cardiac diseases. This study aimed to determine whether circulating miRNAs could be potential biomarkers of diabetic cardiomyopathy...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28994735/prediction-potential-of-serum-mir-155-and-mir-24-for-relapsing-early-breast-cancer
#7
Petra Bašová, Michal Pešta, Marek Sochor, Tomáš Stopka
Oncogenic microRNAs (oncomiRs) accumulate in serum due to their increased stability and thus serve as biomarkers in breast cancer (BC) pathogenesis. Four oncogenic microRNAs (miR-155, miR-19a, miR-181b, and miR-24) and one tumor suppressor microRNA (let-7a) were shown to differentiate between high- and low-risk early breast cancer (EBC) and reflect the surgical tumor removal and adjuvant therapy. Here we applied the longitudinal multivariate data analyses to stochastically model the serum levels of each of the oncomiRs using the RT-PCR measurements in the EBC patients (N = 133) that were followed up 4 years after diagnosis...
October 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28944406/downregulated-adhesion-associated-micrornas-as-prognostic-predictors-in-childhood-osteosarcoma
#8
L E A Delsin, G M Roberto, P F Fedatto, E E Engel, C A Scrideli, L G Tone, M S Brassesco
miRNAs have been identified as key regulators of almost all cellular processes, therefore, their dysregulation is involved with several diseases, including cancer. miRNAs specifically related to the metastastic cascade are called metastamiRs and can be involved with different steps of this process, including loss of adhesion. Osteosarcoma (OS) is the most common primary malignant pediatric bone tumor that often presents metastatic disease at diagnosis; therefore, a deeper study of adhesion-associated miRNAs could shed light on its pathophysiology...
September 25, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28934717/expression-of-c-ebp%C3%AE-in-myeloid-progenitors-during-sepsis-promotes-immunosuppression
#9
Jun Dai, Ajinkya Kumbhare, Dima Youssef, Zhi Q Yao, Charles E McCall, Mohamed El Gazzar
Sepsis-induced myeloid-derived suppressor cells (MDSCs) contribute to immunosuppression associated with sepsis. We reported that the CCAAT enhancer-binding protein C/EBPβ activates microRNA (miR)-21 and miR-181b expressions, which induce transcription factor NFI-A to support the generation and expansion of MDSCs in the bone marrow and spleens of septic mice. Here, using a conditional knockout mouse model lacking C/EBPβ in the myeloid lineage, we find that without C/EBPβ, myeloid progenitor cells could not express miR-21 or miR-181b, and ectopic expression of C/EBPβ in the C/EBPβ-deficient myeloid progenitors activated the expression of the two miRNAs...
November 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28916639/small-rna-seq-during-acute-maximal-exercise-reveal-rnas-involved-in-vascular-inflammation-and-cardiometabolic-health
#10
Ravi Shah, Ashish S Yeri, Avash Das, Amanda Courtright-Lim, Olivia Ziegler, Ernest Gervino, Jeffrey Ocel, Pablo Quintero Pinzon, Luke Wooster, Cole Shields Bailey, Kahraman Tanriverdi, Lea Beaulieu, Jane E Freedman, Ionita Ghiran, Gregory D Lewis, Kendall Van Keuren-Jensen, Saumya Das
OBJECTIVE: Exercise improves cardiometabolic and vascular function, though mechanisms remain unclear. Our objective was to demonstrate the diversity of circulating extracellular RNA (ex-RNA) release during acute exercise in humans and its relevance to exercise-mediated benefits on vascular inflammation. Approach and Results: We performed plasma small RNA sequencing (RNA-seq) in 26 individuals undergoing symptom-limited maximal treadmill exercise, with replication of our top candidate miRNA in a separate cohort of 59 individuals undergoing bicycle ergometry...
September 15, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28916633/systems-genetics-identifies-a-co-regulated-module-of-liver-micrornas-associated-with-plasma-ldl-cholesterol-in-murine-diet-induced-dyslipidemia
#11
Alisha R Coffey, Tangi L Smallwood, Jody Albright, Kunjie Hua, Matt Kanke, Daniel Pomp, Brian J Bennett, Praveen Sethupathy
Chronically altered levels of circulating lipids, termed dyslipidemia, is a significant risk factor for a number of metabolic and cardiovascular morbidities. MicroRNAs (miRNAs) have emerged as important regulators of lipid balance, have been implicated in dyslipidemia, and have been proposed as candidate therapeutic targets in lipid-related disorders including atherosclerosis. A major limitation of most murine studies of miRNAs in lipid metabolic disorders is that they have been performed in just one (or very few) inbred strains, such as C57BL/6...
November 1, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28912851/molecular-mechanism-of-mir-181b-in-heart-disease-due-to-pregnancy-induced-hypertension-syndrome
#12
Zheng Gao, Li Wang, Jinyun Wang, Fengyong Yang, Jin Qu
The present study aimed to investigate the molecular mechanisms of microRNA (miR)-181b in heart disease due to hypertensive disorders complicating pregnancy (HDCP) through regulating the expression of metallopeptidase inhibitor 3 (TIMP3). miR-181b expression was detected by reverse transcription-quantitative polymerase chain reaction in peripheral blood samples from patients with HDCP. These samples were analyzed for clinical pathological characteristics. The primary cardiomyocytes of rats were cultured in hypoxic conditions for 24 h, in which miR-181b expression was detected at different time points...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28899784/mir-181b-regulates-steatosis-in-nonalcoholic-fatty-liver-disease-via-targeting-sirt1
#13
Yunxia Wang, Kongxi Zhu, Weihua Yu, Hongjuan Wang, Lan Liu, Qiong Wu, Shuai Li, Jianqiang Guo
Non-alcoholic fatty liver diseases (NAFLD) is one of the leading cause of chronic liver diseases in the world. However, the pathogenesis of NAFLD is still unclear. Emerging studies have demonstrated that microRNAs (miRs) are profoundly involved in NAFLD and related metabolic diseases. Here, we investigated the mechanisms by which miR-181b influences NAFLD via direct targeting SIRT1. The expression of miR181b was up-regulated while SIRT1 was down-regulated in both human NAFLD patients and high fat diet (HFD) induced NAFDL mice model...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28877608/genome-wide-integrative-analysis-identified-snp-mirna-mrna-interaction-networks-in-peripheral-blood-mononuclear-cells
#14
Xiang Lin, Wei Xia, Wei Ji, Fang-Fei Xie, Pei He, Xiao-Wei Zhu, Yong-Hong Zhang, Fei-Yan Deng, Shu-Feng Lei
AIM: To detect SNP-miRNA-mRNA interaction networks and to elucidate miRNA-mediated regulation effects on mRNA expression. MATERIALS & METHODS: In human peripheral blood mononuclear cells of 43 females, SNP-miRNA-mRNA interaction networks were established through an integrative analysis. Then causal inference test was followed to detect miRNA-mediated effects on mRNA expressions. RESULTS: About 167 trios corresponding to 56 SNPs, 20 miRNAs and 47 target-mRNAs have the SNP-miRNA-mRNA interactions, but only 22 trios have miRNA-mediated effects between SNP and mRNA...
September 7, 2017: Epigenomics
https://www.readbyqxmd.com/read/28841043/prognostic-value-of-mirna-181a-b-in-colorectal-cancer-a-meta-analysis
#15
Xingwei Gu, Rong Jin, Xuping Mao, Jun Wang, Jintao Yuan, Guodong Zhao
AIMS: miR-181a and miR-181b have been investigated as prognostic biomarkers of colorectal cancer (CRC). However, there is controversy about the role of miR-181a and miR-181b in predicting CRC prognosis. Therefore, we performed this meta-analysis to evaluate prognostic values of miR-181a and miR-181b in CRC patients. MATERIALS & METHODS: Studies were systemically searched from publications and analyzed, and 999 CRC cases in nine studies were examined in this meta-analysis...
August 25, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28830603/comparison-of-microrna-expression-in-high-count-monoclonal-b-cell-lymphocytosis-and-binet-a-chronic-lymphocytic-leukemia
#16
Felipe Magalhães Furtado, Priscila Santos Scheucher, Bárbara Amélia Santana, Dalila Lucíola Zanette, Rodrigo do Tocantins Calado, Eduardo Magalhães Rego, Daniel Mazza Matos, Roberto Passetto Falcão
BACKGROUND: Evidence suggests that monoclonal B-cell lymphocytosis precedes all chronic lymphocytic leukemia cases, although the molecular mechanisms responsible for disease progression are not understood. Aberrant miRNA expression may contribute to the pathogenesis of chronic lymphocytic leukemia. The objective of this study was to compare miRNA expression profiles of patients with Binet A chronic lymphocytic leukemia with those of subjects with high-count monoclonal B-cell lymphocytosis and healthy volunteers (controls)...
July 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28797462/a-comprehensive-study-of-smoking-specific-microrna-alterations-in-head-and-neck-squamous-cell-carcinoma
#17
Aswini R Krishnan, Hao Zheng, James G Kwok, Yuanhao Qu, Angela E Zou, Avinaash Korrapati, Pin Xue Li, Joseph A Califano, Melbourne F Hovell, Jessica Wang-Rodriguez, Weg M Ongkeko
OBJECTIVE: While tobacco smoking is a well-known risk factor for head and neck squamous cell carcinoma (HNSCC), the molecular mechanisms underlying tobacco-induced HNSCC remain unclear. This study sought to comprehensively identify microRNA (miRNA) alterations and evaluate their clinical relevance in smoking-induced HNSCC pathogenesis and progression. MATERIALS AND METHODS: Using small RNA-sequencing data and clinical data from 145 HNSCC patients, we performed a series of differential expression and correlation analyses to identify a panel of tobacco-dysregulated miRNAs associated with key clinical characteristics in HNSCC...
September 2017: Oral Oncology
https://www.readbyqxmd.com/read/28769921/microrna-181-variants-regulate-t-cell-phenotype-in-the-context-of-autoimmune-neuroinflammation
#18
Samira Ghorbani, Farideh Talebi, Wing Fuk Chan, Farimah Masoumi, Mohammed Vojgani, Christopher Power, Farshid Noorbakhsh
BACKGROUND: Recent studies have revealed that multiple sclerosis (MS) lesions have distinct microRNA (miRNA) expression profiles. miR-181 family members show altered expression in MS tissues although their participation in MS pathogenesis remains uncertain. Herein, we investigated the involvement of miR-181a and miR-181b in the pathogenesis of MS and its animal model, experimental autoimmune encephalomyelitis (EAE). METHODS: miR-181a and -b levels were measured in the central nervous system (CNS) of patients with MS and mice with EAE as well as relevant leukocyte cultures by real-time RT-PCR...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28675011/-characterization-of-micrornas-profiles-of-induced-pluripotent-stem-cells-reprogrammed-from-human-dental-pulp-stem-cells-and-stem-cells-from-apical-papilla
#19
Tan Xiaobing, Dai Qingyuan
OBJECTIVE: To compare characterization of microRNAs (miRNAs) expression profiles of induced pluripotent stem cells (iPSCs) reprogrammed from human dental pulp stem cells (DPSCs) and stem cells from apical papilla (SCAP) and screen-specific microRNA. METHODS: Human DPSCs and SCAP were reprogrammed into iPSCs using a Sendai virus vector. Total RNA of human DPSCs-iPSCs and SCAP-iPSCs were extracted. miRNAs were labeled and hybridized. Slides were scanned, and images were imported into GenePix Pro 6...
June 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28656135/no-significant-difference-between-plasma-mirnas-and-plasma-derived-exosomal-mirnas-from-healthy-people
#20
Fei Tian, Yanting Shen, Zhenzhu Chen, Rui Li, Qinyu Ge
BACKGROUND: MicroRNAs (miRNAs) are small noncoding RNAs that are involved in many biological regulation processes. Studies have reported that miRNAs are enriched in human plasma and plasma-derived exosome as novel diagnostic biomarkers. The aim of this study was to determine whether the miRNA expression levels are different between plasma and plasma-derived exosome. METHODS: We sequenced and quantified the miRNAs in plasma and exosome from healthy blood samples and validated three miRNAs in the two groups of lung cancer samples by qRT-PCR...
2017: BioMed Research International
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