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Biomarker microRNA

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https://www.readbyqxmd.com/read/27915033/survivin-controls-biogenesis-of-microrna-in-smokers-a-link-to-pathogenesis-of-rheumatoid-arthritis
#1
Karin M E Andersson, Minna Turkkila, Malin C Erlandsson, Apostolos Bossios, Sofia Töyrä Silfverswärd, Dan Hu, Linda Ekerljung, Carina Malmhäll, Howard L Weiner, Bo Lundbäck, Maria I Bokarewa
MicroRNAs (miRs) represent a part of epigenetic control of autoimmunity gaining increasing attention in rheumatoid arthritis (RA). Since cigarette smoking plays important role in RA pathogenesis and reprograms transcriptional profile of miRNAs, we ask if the onco-protein survivin, a novel biomarker of RA, may provide a link between smoking and miRNA. Studying survivin expression in leukocytes of 144 female RA patients we observed that smoking patients had higher survivin transcription and a remarkable spreading of survivin isoforms...
November 30, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27914211/micrornas-in-cardiovascular-disease-clinical-application
#2
Christian Schulte, Mahir Karakas, Tanja Zeller
microRNAs (miRNAs) are well-known, powerful regulators of gene expression, and their potential to serve as circulating biomarkers is widely accepted. In cardiovascular disease (CVD), numerous studies have suggested miRNAs as strong circulating biomarkers with high diagnostic as well as prognostic power. In coronary artery disease (CAD) and heart failure (HF), miRNAs have been suggested as reliable biomarkers matching up to established protein-based such as cardiac troponins (cT) or natriuretic peptides. Also, in other CVD entities, miRNAs were identified as surprisingly specific biomarkers - with great potential for clinical applicability, especially in those entities that lack specific protein-based biomarkers such as atrial fibrillation (AF) and acute pulmonary embolism (APE)...
December 3, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27911315/decreased-expression-of-hsa-mir-4274-in%C3%A2-cerebrospinal-fluid-of-normal-pressure-hydrocephalus-mimics-with-parkinsonian-syndromes
#3
Ivana Jurjević, Masakazu Miyajima, Ikuko Ogino, Chihiro Akiba, Madoka Nakajima, Akihide Kondo, Mika Kikkawa, Mitsuyasu Kanai, Nobutaka Hattori, Hajime Arai
BACKGROUND: Patients presenting with the classical idiopathic normal pressure hydrocephalus (iNPH) triad often show additional parkinsonian spectrum signs. Accurate differential diagnosis strongly influences the long-term outcome of cerebrospinal fluid (CSF) shunting. OBJECTIVE: The aim of this study was to find potential CSF microRNA (miRNA) biomarkers for NPH mimics with parkinsonian syndromes that can reliably distinguish them from iNPH patients. METHODS: Two cohorts of 81 patients (cohort 1, n = 55; cohort 2, n = 26) with possible iNPH who were treated in two centers between January 2011 and May 2014 were studied...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27910062/plasma-and-saliva-mir-21-expression-in-colorectal-cancer-patients
#4
A A Sazanov, E V Kiselyova, A A Zakharenko, M N Romanov, M I Zaraysky
MicroRNA-21 (miR-21) expression was quantified by real-time qRT-PCR in peripheral blood and saliva samples obtained from patients diagnosed with colorectal cancer (CRC) of varying degrees of malignancy and healthy volunteers. All patients had adenocarcinoma located in the distal colon at different stages. Significant differences were detected between the control group and the total experimental group of CRC patients (plasma, P = 0.0001; saliva, P = 5e-12). MiR-21 expression was also significantly different in certain subgroups of patients with CRC disease stages II-IV as compared to the control group...
December 2, 2016: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27909844/design-and-fabrication-a-gold-nanoparticle-dna-based-nanobiosensor-for-detection-of-microrna-involved-in-alzheimer-s-disease
#5
Shokoufeh Delkhahi, Mahdi Rahaie, Fereshteh Rahimi
MicroRNAs are small RNAs which regulate gene expression by translational repression or degradation of messenger RNAs. Regards to important role of these biomolecules in human disease progress, to produce sensitive, simple and cost-effective assays for microRNAs are in urgent demand. miR-137 in Alzheimer's patients has demonstrated its potential as non-invasive biomarkers in blood for Alzheimer's disease diagnosis and prognosis. This paper describes a novel, sensitive and specific microRNA assay based on Colorimetric detection of gold nanoparticles and hybridization chain reaction amplification (HCR)...
December 1, 2016: Journal of Fluorescence
https://www.readbyqxmd.com/read/27908628/biomarkers-of-the-health-outcomes-associated-with-ambient-particulate-matter-exposure
#6
Lixin Yang, Xiang-Yu Hou, Yongjie Wei, Phong Thai, Fahe Chai
Epidemiologic evidence supports the positive association of cardiopulmonary morbidity and mortality, and lung cancer risk with exposure to airborne particulate matter (PM). Oxidative stress and inflammation have been proposed to be the major causal factors involved in mediating PM effects on both cardiovascular and pulmonary health outcomes. However, the mechanism whereby PM causes the health effects is not fully elucidated. To evaluate and investigate human exposure to PM, it is essential to have a specific, sensitive and robust characterization of individual exposure to PM...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27908272/exosome-encapsulated-micrornas-as-potential-circulating-biomarkers-in-colon-cancer
#7
Mina Hosseini, Sara Khatamianfar, Seyed Mahdi Hassanian, Reza Nedaeinia, Mojtaba Shafiee, Mina Maftouh, Majid Ghayour-Mobarhan, Soudabeh Shahid Sales, Amir Avan
Exosome-encapsulated microRNAs are being suggested as a new class novel biomarker and diagnostic and predictive markers in colorectal cancer. These particles are released from many cell types into the extracellular space upon fusion of multivesicular bodies (MVB) with the plasma membrane. They contain a wide variety of information, including proteins, lipids, RNAs, non-transcribed RNAs, microRNAs, which can be circulated in various body fluids (e.g., blood, salvia, ascites, urine). Exosomes can be taken up by neighboring or distant cells and thereby modulate the functional of recipient cells and play a key role in disease progression or facilitate metastasis in cancers...
December 1, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27907140/detection-of-acute-radiation-sickness-a-feasibility-study-in-non-human-primates-circulating-mirnas-for-triage-in-radiological-events
#8
Naresh Menon, Claude J Rogers, Agnes I Lukaszewicz, James Axtelle, Marshleen Yadav, Feifei Song, Arnab Chakravarti, Naduparambil K Jacob
Development of biomarkers capable of estimating absorbed dose is critical for effective triage of affected individuals after radiological events. Levels of cell-free circulating miRNAs in plasma were compared for dose-response analysis in non-human primates (NHP) exposed to lethal (6.5 Gy) and sub-lethal (1 and 3 Gy) doses over a 7 day period. The doses and test time points were selected to mimic triage needs in the event of a mass casualty radiological event. Changes in miRNA abundance in irradiated animals were compared to a non-irradiated cohort and a cohort experiencing acute inflammation response from exposure to lipopolysaccharide (LPS)...
2016: PloS One
https://www.readbyqxmd.com/read/27906035/extracellular-vesicles-in-the-pathogenesis-of-rheumatoid-arthritis-and-osteoarthritis
#9
REVIEW
Joseph Withrow, Cameron Murphy, Yutao Liu, Monte Hunter, Sadanand Fulzele, Mark W Hamrick
Osteoarthritis (OA) and rheumatoid arthritis (RA) are both debilitating diseases that cause significant morbidity in the US population. Extracellular vesicles (EVs), including exosomes and microvesicles, are now recognized to play important roles in cell-to-cell communication by transporting various proteins, microRNAs (miRNAs), and mRNAs. EV-derived proteins and miRNAs impact cell viability and cell differentiation, and are likely to play a prominent role in the pathophysiology of both OA and RA. Some of the processes by which these membrane-bound vesicles can alter joint tissue include extracellular matrix degradation, cell-to-cell communication, modulation of inflammation, angiogenesis, and antigen presentation...
December 1, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27905532/validation-of-plasma-micrornas-as-biomarkers-for-myotonic-dystrophy-type-1
#10
A Perfetti, S Greco, R Cardani, B Fossati, G Cuomo, R Valaperta, F Ambrogi, A Cortese, A Botta, A Mignarri, M Santoro, C Gaetano, E Costa, M T Dotti, G Silvestri, R Massa, G Meola, F Martelli
Non-invasive and simple to measure biomarkers are still an unmet need for myotonic dystrophy type 1 (DM1). Indeed, muscle biopsies can be extremely informative, but their invasive nature limits their application. Extracellular microRNAs are emerging humoral biomarkers and preliminary studies identified a group of miRNAs that are deregulated in the plasma or serum of small groups of DM1 patients. Here we adopted very stringent selection and normalization criteria to validate or disprove these miRNAs in 103 DM1 patients and 111 matched controls...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27904930/micrornas-in-bone-diseases
#11
REVIEW
L Gennari, S Bianciardi, D Merlotti
MicroRNAs are small, noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression, with an essential role in vertebrate development and different biological processes. This review highlights the recent advances in the function of miRNAs and their roles in bone remodeling and bone diseases. MicroRNAs (miRNAs) are a class of small (∼22 nt), noncoding single-stranded RNAs that have emerged as important posttranscriptional regulators of gene expression. They are essential for vertebrate development and play critical roles in different biological processes related to cell differentiation, activity, metabolism, and apoptosis...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27904783/circulating-mirna-profile-in-esophageal-adenocarcinoma
#12
Keqiang Zhang, Xiwei Wu, Jinhui Wang, Joshua Lopez, Weiying Zhou, Lu Yang, Shizhen Emily Wang, Dan J Raz, Jae Y Kim
Esophageal cancer is one of the deadliest cancers worldwide. It typically has a poor overall prognosis because of diagnosis in advanced stages. Sensitive biomarkers for the early detection of esophageal cancer are urgently needed to reduce the high mortality of this disease. Circulating microRNAs (miRNAs) are emerging as a novel non-invasive biomarker for cancer diagnosis due to its high stability and specificity. In this study, we profiled circulating miRNAs in serum of patients with esophageal adenocarcinoma (EAC) using the Solexa sequencing analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904689/mir-4295-promotes-cell-growth-in-bladder-cancer-by-targeting-btg1
#13
Yong-Hao Nan, Jun Wang, Yao Wang, Peng-Hao Sun, Yu-Ping Han, Li Fan, Kai-Chen Wang, Fu-Jun Shen, Wei-Hua Wang
microRNAs (miRNAs) have been demonstrated to contribute to tumor progression and metastasis, and have been proposed to be key regulators of diverse biological processes. In this study, we report that miR-4295 is deregulated in bladder cancer tissues and cell lines. To characterize the role of miR-4295 in bladder cancer cells, we performed functional assays. The overexpression of miR-4295 significantly promoted bladder cancer cell proliferation, colony formation, and migration. Moreover, its downregulation induced cell cycle arrest and apoptosis of bladder cancer cells...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27903980/identification-of-biomarker-micrornas-for-predicting-the-response-of-colorectal-cancer-to-neoadjuvant-chemoradiotherapy-based-on-microrna-regulatory-network
#14
Yaqun Zhu, Qiliang Peng, Yuxin Lin, Li Zou, Peipei Shen, Feifei Chen, Ming Min, Li Shen, Jiajia Chen, Bairong Shen
Preoperative radiotherapy or chemoradiotherapy has become a standard procedure for treatment of patients with locally advanced colorectal cancer (CRC). However, patients' responses to treatment are different and personalized. MicroRNAs (miRNAs) are promising biomarkers for predicting personalized responses. In this study, we collected 30 publicly reported miRNAs associated with chemoradiotherapy of CRC. We extracted 46 differentially expressed miRNAs from samples of responders and non-responders to preoperative radiotherapy from the Gene Expression Omnibus dataset (Student's t test, p-value < 0...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903835/identification-of-microrna-signature-and-potential-pathway-targets-in-prostate-cancer
#15
Ahmed A Moustafa, Mohammed Ziada, Abubaker Elshaikh, Amrita Datta, Hogyoung Kim, Krzysztof Moroz, Sudesh Srivastav, Raju Thomas, Jonathan L Silberstein, Krishnarao Moparty, Fatma Elzahraa H Salem, Ola H El-Habit, Asim B Abdel-Mageed
Prostate cancer (PC) is the most common and the second leading cause of cancer-related death among American men. Early diagnosis is a prerequisite to improving therapeutic benefits. However, the current clinical biomarkers for PC do not reliably decipher indolent PC from other urogenital disorders. Thus, effective clinical intervention necessitates development of new biomarkers for early detection of PC. The present study aimed to identify the miRNA signature in organ-confined (Gleason Score 6) prostate tumors...
November 29, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27902972/unravelling-site-specific-breast-cancer-metastasis-a-microrna-expression-profiling-study
#16
Willemijne A M E Schrijver, Paul J van Diest, Dutch Distant Breast Cancer Metastases Consortium, Cathy B Moelans
Distant metastasis is still the main cause of death from breast cancer. MicroRNAs (miRs) are important regulators of many physiological and pathological processes, including metastasis. Molecular breast cancer subtypes are known to show a site-specific pattern of metastases formation. In this study, we set out to determine the underlying molecular mechanisms of site-specific breast cancer metastasis by microRNA expression profiling.To identify a miR signature for metastatic breast carcinoma that could predict metastatic localization, we compared global miR expression in 23 primary breast cancer specimens with their corresponding multiple distant metastases to ovary (n=9), skin (n=12), lung (n=10), brain (n=4) and gastrointestinal tract (n=10) by miRCURY microRNA expression arrays...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27902930/modulating-micrornas-in-cardiac-surgery-patients-novel-therapeutic-opportunities
#17
REVIEW
Giovanni Biglino, Massimo Caputo, Cha Rajakaruna, Gianni Angelini, Eva van Rooij, Costanza Emanueli
This review focuses on microRNAs (miRs) in cardiac surgery, where they are emerging as potential targets for therapeutic intervention as well as novel clinical biomarkers. Identification of the up/down-regulation of specific miRs in defined groups of cardiac surgery patients can lead to the development of novel strategies for targeted treatment in order to maximise therapeutic results and minimise acute, delayed or chronic complications. MiRs could also be involved in determining the outcome independently of complications, for example in relation to myocardial perfusion and fibrosis...
November 27, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27902892/microrna-145-influences-the-balance-of-th1-th2-via-regulating-runx3-in-asthma-patients
#18
Linxia Fan, Xiaojun Wang, Linlan Fan, Qizhang Chen, Hong Zhang, Hui Pan, Aixia Xu, Hongjuan Wang, Yang Yu
AIM OF THE STUDY: To delineate the underlying mechanism of microRNA-145 modulate the balance of Th1/Th2 via targeting RUNX3 in asthma patients. MATERIALS AND METHODS: Peripheral blood samples were collected from asthma patients and healthy controls. CD4(+) T cells were isolated and cultured. Using quantitative PCR detect, the level of microRNA-145 and RUNX3 mRNA level in the CD4(+) T cells from asthma patients and healthy controls, meanwhile, western blot was used to detect the RUNX3 protein level...
November 30, 2016: Experimental Lung Research
https://www.readbyqxmd.com/read/27902487/identification-of-laryngeal-cancer-prognostic-biomarkers-using-an-inflammatory-gene-related-competitive-endogenous-rna-network
#19
Qun He, Linli Tian, Hao Jiang, Jiarui Zhang, Qiang Li, Yanan Sun, Jiannan Zhao, Huijun Li, Ming Liu
Competitive endogenous RNAs (ceRNAs) act as molecular sponges for microRNAs (miRNAs), and are associated with tumorigenesis in various cancers, including laryngeal cancer (LC). In this work, we constructed an LC-specific inflammatory gene-related ceRNA network (IceNet). In IceNet, ceRNAs targeting inflammation-related genes tended to be network hubs. Additionally, the betweenness centralities of these hub ceRNAs were higher than those of the inflammation-related genes themselves, indicating that the hub ceRNAs in this study played critical roles in communication between IceNet molecules...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27900678/a-customized-quantitative-pcr-microrna-panel-provides-a-technically-robust-context-for-studying-neurodegenerative-disease-biomarkers-and-indicates-a-high-correlation-between-cerebrospinal-fluid-and-choroid-plexus-microrna-expression
#20
Wang-Xia Wang, David W Fardo, Gregory A Jicha, Peter T Nelson
MicroRNA (miRNA) expression varies in association with different tissue types and in diseases. Having been found in body fluids including blood and cerebrospinal fluid (CSF), miRNAs constitute potential biomarkers. CSF miRNAs have been proposed as biomarkers for neurodegenerative diseases; however, there is a lack of consensus about the best candidate miRNA biomarkers and there has been variability in results from different research centers, perhaps due to technical factors. Here, we sought to optimize technical parameters for CSF miRNA studies...
November 29, 2016: Molecular Neurobiology
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