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miR-21 OR miR-122

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https://www.readbyqxmd.com/read/29050224/secreted-mir-210-3p-as-non-invasive-biomarker-in-clear-cell-renal-cell-carcinoma
#1
Vincenzo Petrozza, Antonio Luigi Pastore, Giovanni Palleschi, Claudia Tito, Natale Porta, Serena Ricci, Chiara Marigliano, Manuela Costantini, Giuseppe Simone, Angelina Di Carlo, Michele Gallucci, Antonio Carbone, Francesco Fazi
The most common subtype of renal cell carcinoma (RCC) is clear cell RCC (ccRCC). It accounts for 70-80% of all renal malignancies representing the third most common urological cancer after prostate and bladder cancer. The identification of non-invasive biomarkers for the diagnosis and responsiveness to therapy of ccRCC may represent a relevant step-forward in ccRCC management. The aim of this study is to evaluate whether specific miRNAs deregulated in ccRCC tissues present altered levels also in urine specimens...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049183/identifying-key-genes-associated-with-acute-myocardial-infarction
#2
Ming Cheng, Shoukuan An, Junquan Li
BACKGROUND: This study aimed to identify key genes associated with acute myocardial infarction (AMI) by reanalyzing microarray data. METHODS: Three gene expression profile datasets GSE66360, GSE34198, and GSE48060 were downloaded from GEO database. After data preprocessing, genes without heterogeneity across different platforms were subjected to differential expression analysis between the AMI group and the control group using metaDE package. P < .05 was used as the cutoff for a differentially expressed gene (DEG)...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048648/long-non-coding-rna-xist-regulates-pdcd4-expression-by-interacting-with-mir-21-5p-and-inhibits-osteosarcoma-cell-growth-and-metastasis
#3
Rui Zhang, Tian Xia
lncRNA-X-inactive specific transcript (lncRNA XIST) has been demonstrated to be a tumor suppressor involved in the pathogenesis and development of various cancers. However, the function of XIST and its working mechanism in osteosarcoma (OS) remain enigmatic. Firstly, we determined the expression of XIST in OS tissues and cell lines by quantitative reverse transcription-PCR (qRT-PCR) and explored whether aberrant XIST expression was associated with recurrence and short overall survival. Furthermore, the effects of XIST on osteosarcoma cells were studied by lentivirus mediated overexpression approach in vitro and in vivo...
September 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29045034/differential-expression-profiles-of-circulating-micrornas-in-newborns-associated-to-maternal-pregestational-overweight-and-obesity
#4
A Méndez-Mancilla, V Lima-Rogel, J C Toro-Ortíz, F Escalante-Padrón, A E Monsiváis-Urenda, D E Noyola, M Salgado-Bustamante
BACKGROUND: The perinatal environment has a role in the establishment of altered metabolic and inflammatory responses, and could be modulated by microRNAs regulating immune and metabolic processes. OBJECTIVE: To analyze the expression profile of four circulating microRNAs and cytokine serum concentrations in neonates born to overweight and obese women. METHODS: Pregnant women were included and grouped by pregestational body mass index (21 with normal weight, 10 overweight and 10 obese women)...
October 17, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/29042291/micrornas-as-biomarkers-for-liver-injury-current-knowledge-challenges-and-future-prospects
#5
REVIEW
Haixia Lin, Laura E Ewing, Igor Koturbash, Bill J Gurley, Isabelle R Miousse
MicroRNAs (miRNAs) are short regulatory RNAs that are involved in various biological processes that regulate gene expression posttranscriptionally. Changes in miRNA expression can be detected in many physiological and pathological events, such as liver injury. Drug induced liver injury is a life threatening condition that frequently requires organ transplantation. Hepatotoxicity is also one of the major causes of drug failure in clinical trials and of drug withdrawal from the market. The profiling of miRNA expression shows great promise in monitoring liver injury, in the prediction of outcome in patients, and in the identification of liver-reactive compounds in toxicological assessment...
October 14, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29041944/differential-expression-of-porcine-micrornas-in-african-swine-fever-virus-infected-pigs-a-proof-of-concept-study
#6
Fernando Núñez-Hernández, Lester Josué Pérez, Marta Muñoz, Gonzalo Vera, Francesc Accensi, Armand Sánchez, Fernando Rodríguez, José I Núñez
BACKGROUND: African swine fever (ASF) is a re-expanding devastating viral disease currently threatening the pig industry worldwide. MicroRNAs are a class of 17-25 nucleotide non- coding RNAs that have been shown to have critical functions in a wide variety of biological processes, such as cell differentiation, cell cycle regulation, carcinogenesis, apoptosis, regulation of immunity as well as in viral infections by cleavage or translational repression of mRNAs. Nevertheless, there is no information about miRNA expression in an ASFV infection...
October 17, 2017: Virology Journal
https://www.readbyqxmd.com/read/29040159/new-approach-for-differentiation-of-bone-marrow-mesenchymal-stem-cells-toward-chondrocyte-cells-with-overexpression-of-microrna-140
#7
Mahboudi Hossein, Soleimani Masoud, Hanaee-Ahvaz Hana, Ghanbarian Hossein, Bandehpour Mojgan, Enderami Seyed Ehsan, Kazemi Bahram
Mesenchymal stem cells are widely stimulated by transforming growth factor beta-3 (TGFβ3) for chondrocyte differentiation. The objective of our study was to establish a new method for differentiation of human mesenchymal stem cells toward chondrocyte by overexpression of MicroRNA-140 (miR-140), and also this method was compared with method of induction with TGFβ3 in high-cell density culture systems. Mesenchymal stem cells were harvested from bone marrow of human. We prepared vectors and then was used for recombinant Lenti virus production in HEK-293 cell...
October 16, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29039542/propofol-regulates-the-expression-of-tlr4-through-mir%C3%A2-21-in-human-umbilical-vein-endothelial-cells
#8
Ling Ma, Yue Yang, Xuechen Sun, Meiling Jiang, Yang Ma, Xilun Yang, Zhiwei Guo
Propofol (2,6-diisopropylphenol) is one of the most commonly used intravenous anesthetics. Anesthetics can regulate the inflammatory process; however, the mechanism remains to be fully elucidated. The present study aimed to investigate whether and how propofol affects the inflammatory reaction in human umbilical vein endothelial cells (HUVECs). The expression levels of Toll‑like receptor 4 (TLR4) and cluster of differentiation 14 (CD14) were determined in HUVECs treated with propofol and lipopolysaccharide (LPS) using western blot and reverse transcription‑quantitative polymerase chain reaction analyses...
October 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29039471/hydrogen-sulfide-alleviates-myocardial-fibrosis-in-mice-with-alcoholic-cardiomyopathy-by-downregulating-autophagy
#9
Biao Liang, Ting Xiao, Junrong Long, Maojun Liu, Zining Li, Shengquan Liu, Jun Yang
Myocardial fibrosis is one of the most important pathological features of alcoholic cardiomyopathy (ACM). Hydrogen sulfide (H2S) exerts protective effects in various types of cardiovascular disease, which has been demonstrated by many previous studies. However, there is a lack of adequate research on the effect of H2S on myocardial fibrosis in ACM. The present study aimed to investigate the etiopathogenic role of H2S in myocardial fibrosis induced by chronic alcohol intake. An ACM mouse model was induced by consumption of 4% ethanol solution in drinking water for 12 weeks...
October 16, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29037006/microrna-150-5p-improves-risk-classification-for-mortality-within-90-days-after-acute-ischemic-stroke
#10
Natalie Scherrer, Francois Fays, Beat Mueller, Andreas Luft, Felix Fluri, Mirjam Christ-Crain, Yvan Devaux, Mira Katan
BACKGROUND AND PURPOSE: Micro ribonucleic acid-150-5p (miR-150-5p) regulates proinflammatory cytokines as well as vessel integrity. We evaluated the incremental prognostic value of logarithm (log) of miR-150-5p plasma levels after ischemic stroke. METHODS: In a prospective cohort study, levels of miR-150-5p were measured within 72 hours of symptom onset in 329 ischemic stroke patients. The outcome measures were unfavorable functional outcome (assessed by the modified Rankin Scale score >2) and mortality within 90 days...
September 2017: Journal of Stroke
https://www.readbyqxmd.com/read/29036829/microrna-221-targets-adam10-mrna-and-is-downregulated-in-alzheimer-s-disease
#11
Patricia R Manzine, Silvia Pelucchi, Maria A Horst, Francisco A C Vale, Sofia C I Pavarini, Matteo Audano, Nico Mitro, Monica Di Luca, Elena Marcello, Marcia R Cominetti
ADAM10 is the α-secretase that cleaves amyloid-β protein precursor in the non-amyloidogenic pathway in Alzheimer's disease (AD) and is known to be regulated by different microRNAs (miRNAs), which are post-transcriptional regulators related to several biological and pathological processes, including AD. Here we proposed to explore and validate miRNAs that have direct or indirect relations to the AD pathophysiology and ADAM10 gene. Approximately 700 miRNAs were analyzed and 21 differentially expressed miRNAs were validated in a sample of 21 AD subjects and 17 cognitively healthy matched controls...
October 7, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29034887/generation-of-three-mir-122-knockout-lines-from-a-human-embryonic-stem-cell-line
#12
Yanli Liu, Feima Wu, Yuanqi Zhuang, Dongsheng Guo, Nasir Abbas, Ruzi Wei, Kepin Wang, Yan Chen, Jiawang Tao, Yuhang Wu, Fang Yuan, Tingcai Pan, Fan Yang, Keyu Lai, Liangxue Lai, Yin-Xiong Li
miR-122 is the most abundant miRNA in the human liver, accounting for 52% of the entire hepatic miRNome. Previous studies have demonstrated that miR-122 plays key roles in hepatocyte growth, metabolism, and homeostasis. Here, we created three miR-122 knockout human embryonic stem cell line lines, WAe001-A-7, WAe001-A-8, and WAe001-A-9, using the CRISPR/Cas9 technique. These mutated cell lines retained their pluripotency, in vitro differentiation potential, normal morphology, and karyotype.
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29032242/combination-of-vitamin-b12-active-forms-improved-fetal-growth-in-wistar-rats-through-up-regulation-of-placental-mir-16-and-mir-21-levels
#13
Tejas Shah, Sanjay Mishra, Amol More, Suhas Otiv, Kishori Apte, Kalpana Joshi
Aim Epidemiological studies have indicated importance of folate and vitamin (B12) during pregnancy. Also available evidence on efficacy of B12 forms viz. Cyanocobalamin (Cbl), Methylcobalamin (MeCbl), Adenosylcobalamin (AdCbl) and Hydroxycobalamin (HCbl) in preventing or treating cobalamin deficiency is limited. The present study examines the effect of various B12 forms in combination with folate during pregnancy and their effect on gestational outcomes. MAIN METHOD: In the present study, we examined the effect of various vitamin B12 forms in presence of recommended folate (RFol: 400μg/day) and high folate (HFol: 5mg/day) on gestational outcomes in female Wistar rats...
October 12, 2017: Life Sciences
https://www.readbyqxmd.com/read/29031931/global-analysis-of-ago2-bound-rnas-reveals-that-mirnas-induce-cleavage-of-target-rnas-with-limited-complementarity
#14
Eunsun Jung, Youngmo Seong, Bohyun Jeon, Hoseok Song, Young-Soo Kwon
Among the four Argonaute family members in mammals, only AGO2 protein retains endonuclease activity and facilitates cleavage of target RNAs base-pairing with highly complementary guide RNAs. Despite the deeply conserved catalytic activity, only a small number of targets have been reported to extensively base pair with cognate miRNAs to be cleaved by AGO2. Here, we analyzed AGO2-bound RNAs by CrossLinking ImmunoPrecipitation (CLIP) of genetically modified cells that express epitope-tagged AGO2 from the native genomic locus...
October 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29030746/platelet-microrna-for-predicting-acute-myocardial-infarction
#15
Shuhua Li, Long Zhe Guo, Moo Hyun Kim, Jin-Yeong Han, Victor Serebruany
Acute myocardial infarction (AMI) is one of the leading causes of morbidity and mortality worldwide, while early diagnosis still represents an upmost priority. While platelet activation is critical for AMI pathogenesis, the role of platelet microRNAs (pmiRNAs) as biomarkers for AMI is unclear. Furthermore, correlations between the levels of pmiRNAs and indices of platelet activity are also unknown. Expression of platelet miR-1, miR-21, miR-126, miR-150 and miR-223 were prospectively assessed in 20 ST-segment elevation myocardial infarction (STEMI) patients, and 40 healthy volunteers...
October 13, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/29029522/circulating-mirnas-as-novel-diagnostic-biomarkers-in-hepatocellular-carcinoma-detection-a-meta-analysis-based-on-24-articles
#16
Yan Ding, Jia-Lai Yan, An-Ning Fang, Wei-Feng Zhou, Ling Huang
The diagnostic value and suitability of circulating miRNAs for the detection of hepatocellular carcinoma have been inconsistent in the literature. A meta-analysis is used to systematically evaluate the diagnostic value of circulating miRNAs. Eligible studies were selected and the heterogeneity was assessed by subgroup analysis, meta-regression, and publication bias. After strictly and comprehensive screening, the source methods, internal reference and the cut-off values of the included miRNAs were first listed...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029492/gata2-regulates-the-erythropoietin-receptor-in-t-12-21-all
#17
Marie E Gaine, Daniel J Sharpe, James S Smith, Hilary A A Colyer, Vivien M Hodges, Terry R Lappin, Ken I Mills
The t(12;21) (p13;q22) chromosomal translocation resulting in the ETV6/RUNX1 fusion gene is the most frequent structural cytogenetic abnormality in children with acute lymphoblastic leukemia (ALL). The erythropoietin receptor (EPOR), usually associated with erythroid progenitor cells, is highly expressed in ETV6/RUNX1 positive cases compared to other B-lineage ALL subtypes. Gene expression analysis of a microarray database and direct quantitative analysis of patient samples revealed strong correlation between EPOR and GATA2 expression in ALL, and higher expression of GATA2 in t(12;21) patients...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029388/rapamycin-induced-mir-21-promotes-mitochondrial-homeostasis-and-adaptation-in-mtorc1-activated-cells
#18
Hilaire C Lam, Heng-Jia Liu, Christian V Baglini, Harilaos Filippakis, Nicola Alesi, Julie Nijmeh, Heng Du, Alicia Llorente Lope, Katherine A Cottrill, Adam Handen, John M Asara, David J Kwiatkowski, Issam Ben-Sahra, William M Oldham, Stephen Y Chan, Elizabeth P Henske
mTORC1 hyperactivation drives the multi-organ hamartomatous disease tuberous sclerosis complex (TSC). Rapamycin inhibits mTORC1, inducing partial tumor responses; however, the tumors regrow following treatment cessation. We discovered that the oncogenic miRNA, miR-21, is increased in Tsc2-deficient cells and, surprisingly, further increased by rapamycin. To determine the impact of miR-21 in TSC, we inhibited miR-21 in vitro. miR-21 inhibition significantly repressed the tumorigenic potential of Tsc2-deficient cells and increased apoptosis sensitivity...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029277/mir-122-release-in-exosomes-precedes-overt-tolvaptan-induced-necrosis-in-a-primary-human-hepatocyte-micropatterned-coculture-model
#19
Merrie Mosedale, J Scott Eaddy, O Joseph Trask, Natalie S Holman, Kristina K Wolf, Edward LeCluyse, Brenton R Ware, Salman R Khetani, Jingtao Lu, William J Brock, Sharin E Roth, Paul B Watkins
Idiosyncratic drug-induced liver injury (IDILI) is thought to often result from an adaptive immune attack on the liver. However, it has been proposed that the cascade of events culminating in an adaptive immune response begins with drug-induced hepatocyte stress, release of exosomal danger signals, and innate immune activation, all of which may occur in the absence of significant hepatocelluar death. A micropatterned coculture model (HepatoPac®) was used to explore the possibility that changes in exosome content precede overt necrosis in response to the IDILI drug tolvaptan...
September 28, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29029022/functional-characterization-of-microrna-27a-3p-expression-in-human-polycystic-ovary-syndrome
#20
Mingming Wang, Jing Sun, Bo Xu, Marcin Chrusciel, Jun Gao, Maciei Bazert, Joanna Stelmaszewska, Yunyun Xu, Hongwen Zhang, Leszek Pawelczyk, Fei Sun, Nafis Rahman, Slawomir Wolczynski, Suk Ying Tsang, Xiangdong Li
The goal of this study was to characterize the function of microRNA-27a-3p (miR-27a-3p) in polycystic ovary syndrome (PCOS). MiR-27a-3p expression was analyzed in excised granulosa cells (GCs) from 21 PCOS and 12 normal patients undergoing IVF cycle treatments, and in 17 non-treated cuneiform ovarian resection PCOS samples and 13 control ovarian samples-from non-PCOS patients. We found that the expression of miR-27a-3p was significantly increased in both excised GCs and the ovaries of PCOS patients compared to the controls...
September 29, 2017: Endocrinology
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