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Plasma microRNA

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https://www.readbyqxmd.com/read/28322298/h2s-regulates-endothelial-nitric-oxide-synthase-protein-stability-by-promoting-microrna-455-3p-expression
#1
Xing-Hui Li, Wen-Long Xue, Ming-Jie Wang, Yu Zhou, Cai-Cai Zhang, Chen Sun, Lei Zhu, Kun Liang, Ying Chen, Bei-Bei Tao, Bo Tan, Bo Yu, Yi-Chun Zhu
The aims of the present study are to determine whether hydrogen sulfide (H2S) is involved in the expression of endothelial nitric oxide synthase (eNOS) and nitric oxide (NO) production, and to identify the role of microRNA-455-3p (miR-455-3p) during those processes. In cultured human umbilical vein endothelial cells (HUVECs), the expression of miR-455-3p, eNOS protein and the NO production was detected after administration with 50 μM NaHS. The results indicated that H2S could augment the expression of miR-455-3p and eNOS protein, leading to the increase of NO level...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321148/circulating-mir-132-3p-as-a-candidate-diagnostic-biomarker-for-malignant-mesothelioma
#2
Daniel G Weber, Katarzyna Gawrych, Swaantje Casjens, Alexander Brik, Martin Lehnert, Dirk Taeger, Beate Pesch, Jens Kollmeier, Torsten T Bauer, Georg Johnen, Thomas Brüning
The use of circulating microRNAs as biomarkers has opened new opportunities for diagnosis of cancer because microRNAs exhibit tumor-specific expression profiles. The aim of this study was the identification of circulating microRNAs in human plasma as potential biomarkers for the diagnosis of malignant mesothelioma. For discovery, TaqMan Low Density Array Human MicroRNA Cards were used to analyze 377 microRNAs in plasma samples from 21 mesothelioma patients and 21 asbestos-exposed controls. For verification, individual TaqMan microRNA assays were used for quantitative real-time PCR in plasma samples from 22 mesothelioma patients and 44 asbestos-exposed controls...
2017: Disease Markers
https://www.readbyqxmd.com/read/28319523/plasma-levels-of-microrna-155-are-upregulated-with-long-term-left-ventricular-assist-device-support
#3
Teresa Wang, Emily C OʼBrien, Joseph G Rogers, Daniel L Jacoby, Michael E Chen, Jeffrey M Testani, Dawn E Bowles, Carmelo A Milano, G Michael Felker, Chetan B Patel, Pramod N Bonde, Tariq Ahmad
Left ventricular assist device (LVAD) therapy unloads the failing heart but exposes the human body to unique pathophysiological demands such as continuous blood-flow and complete univentricular support, which are associated with increased risk of adverse clinical outcomes. MiRNAs are 22-23 nucleotide RNAs involved in regulation of multiple biological processes including the pathogenesis of heart failure (HF). Thus, measurement of miRNAs may have potential in both diagnostics as circulating biomarkers, and in therapeutics for targeted interventions...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28319051/tissue-specific-exosome-biomarkers-for-noninvasively-monitoring-immunologic-rejection-of-transplanted-tissue
#4
Prashanth Vallabhajosyula, Laxminarayana Korutla, Andreas Habertheuer, Ming Yu, Susan Rostami, Chao-Xing Yuan, Sanjana Reddy, Chengyang Liu, Varun Korutla, Brigitte Koeberlein, Jennifer Trofe-Clark, Michael R Rickels, Ali Naji
In transplantation, there is a critical need for noninvasive biomarker platforms for monitoring immunologic rejection. We hypothesized that transplanted tissues release donor-specific exosomes into recipient circulation and that the quantitation and profiling of donor intra-exosomal cargoes may constitute a biomarker platform for monitoring rejection. Here, we have tested this hypothesis in a human-into-mouse xenogeneic islet transplant model and validated the concept in clinical settings of islet and renal transplantation...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28302568/mutational-profile-from-targeted-ngs-predicts-survival-in-ldct-screening-detected-lung-cancers
#5
Carla Verri, Cristina Borzi, Todd Holscher, Matteo Dugo, Andrea Devecchi, Katherine Drake, Stefano Sestini, Paola Suatoni, Elisa Romeo, Gabriella Sozzi, Ugo Pastorino, Mattia Boeri
BACKGROUND: The issue of overdiagnosis in low-dose computed tomography (LDCT)-screening trials could be addressed by the development of complementary biomarkers able to improve detection of aggressive disease. The mutation profile of LDCT screening-detected lung tumours is currently unknown. METHODS: Targeted next-generation sequencing was performed in 94 LDCT screening-detected lung tumours. Associations with clinicopathologic features, survival and the risk profile of a plasma microRNA signature classifier (MSC) were analyzed...
March 13, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28301325/circulating-mirnas-as-biomarkers-of-gait-speed-responses-to-aerobic-exercise-training-in-obese-older-adults
#6
Tan Zhang, Tina E Brinkley, Keqin Liu, Xin Feng, Anthony P Marsh, Stephen Kritchevsky, Xiaobo Zhou, Barbara J Nicklas
Gait speed is a useful predictor of adverse outcomes, including incident mobility disability and mortality in older adults. While aerobic exercise training (AEX) is generally an effective therapy to improve gait speed, individual responses are highly variable. Circulating microRNAs (miRNAs) may contribute to inter-individual changes in gait speed with AEX. We examined whether plasma miRNAs are associated with gait speed changes (dGaitSp) in 33 obese older adults (age: 69.3±3.6 years, BMI: 34.0±3.1 kg/m(2), 85% white, 73% women) who performed treadmill walking, 4 days/week for 5 months...
March 15, 2017: Aging
https://www.readbyqxmd.com/read/28295463/immune-phenotype-and-function-of-nk-and-t-cells-in-chronic-hepatitis-c-patients-who-received-a-single-dose-of-anti-mir-122-rg-101
#7
Femke Stelma, Meike H van der Ree, Marjan J Sinnige, Anthony Brown, Leo Swadling, J Marleen L de Vree, Sophie B Willemse, Marc van der Valk, Paul Grint, Steven Neben, Paul Klenerman, Eleanor Barnes, Neeltje A Kootstra, Hendrik W Reesink
MicroRNA-122 (miR-122) is an important host factor for the hepatitis C (HCV) virus. Treatment with RG-101, a GalNAc conjugated anti-miR-122 oligonucleotide, resulted in a significant viral load reduction in patients with chronic hepatitis C (CHC) infection. Here, we analyzed the effects of RG-101 therapy on antiviral immunity. 32 CHC patients HCV genotype 1, 3 and 4 received a single subcutaneous administration with RG-101 at 2 mg/kg (n=14), 4 mg/kg (n=14) or placebo (n=2 per dosing group). Plasma and PBMCs were collected at multiple time points and comprehensive immunological analyses were performed...
March 11, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28293796/low-circulating-microrna-levels-in-heart-failure-patients-are-associated-with-atherosclerotic-disease-and-cardiovascular-related-rehospitalizations
#8
Eline L Vegter, Ekaterina S Ovchinnikova, Dirk J van Veldhuisen, Tiny Jaarsma, Eugene Berezikov, Peter van der Meer, Adriaan A Voors
OBJECTIVE: Circulating microRNAs (miRNAs) have been implicated in both heart failure and atherosclerotic disease. The aim of this study was to examine associations between heart failure specific circulating miRNAs, atherosclerotic disease and cardiovascular-related outcome in patients with heart failure. METHODS: The levels of 11 heart failure-specific circulating miRNAs were compared in plasma of 114 heart failure patients with and without different manifestations of atherosclerotic disease...
March 14, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28293063/evaluation-of-prognostic-and-predictive-significance-of-circulating-micrornas-in-ovarian-cancer-patients
#9
Ann Rita Halvorsen, Gunnar Kristensen, Andy Embleton, Cybil Adusei, Maria Pilar Barretina-Ginesta, Philip Beale, Åslaug Helland
Ovarian cancer patients are recognized with poor prognosis. This study aimed to identify microRNAs in plasma for predicting response to treatment and outcome. We have investigated microRNAs in plasma from ovarian cancer patients enrolled in a large multicenter study (ICON7), investigating the effect of adding bevacizumab to standard chemotherapy in patients diagnosed with epithelial ovarian cancer. Patients with different histology, grade, and FIGO stages were included (n = 207) in this study. Screening of 754 unique microRNAs was performed in the discovery phase (n = 91) using TaqMan Low Density Arrays...
2017: Disease Markers
https://www.readbyqxmd.com/read/28289238/stroke-and-circulating-extracellular-rnas
#10
Eric Mick, Ravi Shah, Kahraman Tanriverdi, Venkatesh Murthy, Mark Gerstein, Joel Rozowsky, Robert Kitchen, Martin G Larson, Daniel Levy, Jane E Freedman
BACKGROUND AND PURPOSE: There is increasing interest in extracellular RNAs (ex-RNAs), with numerous reports of associations between selected microRNAs (miRNAs) and a variety of cardiovascular disease phenotypes. Previous studies of ex-RNAs in relation to risk for cardiovascular disease have investigated small numbers of patients and assayed only candidate miRNAs. No human studies have investigated links between novel ex-RNAs and stroke. METHODS: We conducted unbiased next-generation sequencing using plasma from 40 participants of the FHS (Framingham Heart Study; Offspring Cohort Exam 8) followed by high-throughput polymerase chain reaction of 471 ex-RNAs...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28278515/phase-2-study-of-circulating-microrna-biomarkers-in-castration-resistant-prostate-cancer
#11
Hui-Ming Lin, Kate L Mahon, Calan Spielman, Howard Gurney, Girish Mallesara, Martin R Stockler, Patricia Bastick, Karen Briscoe, Gavin Marx, Alexander Swarbrick, Lisa G Horvath
BACKGROUND: Biomarkers of therapeutic response and prognosis are needed to assist in the sequencing of treatments for metastatic castration-resistant prostate cancer (CRPC). Previously in a Phase 1 discovery study, we identified 14 circulating microRNAs that were associated with response to docetaxel chemotherapy or overall survival. We performed a Phase 2 validation study to verify these findings. METHODS: Using real-time PCR, the levels of the 14 microRNAs were measured in plasma collected before and after the first cycle of docetaxel from a Phase 2 cohort of 89 patients...
March 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28278511/mechanism-of-microrna-146a-notch2-signaling-regulating-il-6-in-graves-ophthalmopathy
#12
Ning Wang, Feng-E Chen, Zi-Wen Long
BACKGROUND/AIMS: We intended to investigate the significance of microRNA-146a, Notch2 and IL-6 on Graves ophthalmopathy (GO) and the relationships among them. METHODS: About 27 GO patients were incorporated in this study, including 13 patients with inactive GO and14 patients with active GO. Another 15 patients who had previously received strabismus orthopedics or ophthalmectomy due to trauma were selected as the control population. QRT-PCR assay was used to detect microRNA-146a and Notch2 expression levels in plasma...
March 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28270244/expression-profiling-of-circulating-mirnas-in-mouse-serum-in-response-to-echinococcus-multilocularis-infection
#13
Xiaola Guo, Yadong Zheng
Echinococcus multilocularis is a most pathogenic zoonotic tapeworm that causes devastating echinococcosis in both humans and animals. Circulating microRNAs (miRNAs) are stably existed in the serum/plasma of mammalian hosts during helminthic infection. In this study, we compared the host-circulating miRNA expression in the sera from the E. multilocularis-infected and uninfected mice. A total of 58 host-origin serum miRNAs were differentially expressed (2 ⩾ fold change, P < 0·05), of which 21 were upregulated and 37 were significantly downregulated...
March 8, 2017: Parasitology
https://www.readbyqxmd.com/read/28269782/microrna-profile-in-patients-with-alzheimer-s-disease-analysis-of-mir-9-5p-and-mir-598-in-raw-and-exosome-enriched-cerebrospinal-fluid-samples
#14
Javier Riancho, José Luis Vázquez-Higuera, Ana Pozueta, Carmen Lage, Martha Kazimierczak, María Bravo, Miguel Calero, Andrea Gonalezález, Eloy Rodríguez, Alberto Lleó, Pascual Sánchez-Juan
BACKGROUND: MicroRNAs have been postulated as potential biomarkers for Alzheimer's disease (AD). Exosomes are nanovesicles which transport microRNAs, proteins, and other cargos. It has been hypothesized that the exosome traffic might be increased in neurodegenerative disorders. OBJECTIVE: i) To assess the cerebrospinal fluid (CSF) microRNA profile in a group of AD patients and control subjects and to validate a group of microRNAs previously reported by other authors...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28264626/quantitative-changes-in-the-protein-and-mirna-cargo-of-plasma-exosome-like-vesicles-after-exposure-to-ionizing-radiation
#15
Ramesh Yentrapalli, Juliane Merl-Pham, Omid Azimzadeh, Lisa Mutschelknaus, Carsten Peters, Stefanie M Hauck, Michael J Atkinson, Soile Tapio, Simone Moertl
PURPOSE: Multiple cell types secrete exosome-like extracellular vesicles (ELVs) to the extracellular environment. Pathological conditions can produce characteristic changes to the vesicle cargo. We investigated if ionizing radiation is capable of inducing changes in the protein and microRNA (miRNA) cargo of ELVs. MATERIALS AND METHODS: Whole blood samples from healthy donors were irradiated with 2 Gy gamma rays and then peripheral blood mononuclear cells and plasma were separated from residual blood and co-cultivated for 24 h...
March 7, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28263783/establishment-of-a-novel-mouse-model-for-pioglitazone-induced-skeletal-muscle-injury
#16
Sho Akai, Shingo Oda, Tsuyoshi Yokoi
Skeletal muscle (SKM) injury is one of the major safety concerns in risk assessment for drug development. However, no appropriate pre-clinical animal model exists to evaluate drug-induced SKM injury except that caused by fibrates and statins. Thiazolidinedione, a PPARγ agonistic drug for type 2 diabetes mellitus, is widely used clinically but can induce adverse effects such as hepatotoxicity and SKM injury, as has been reported in recent decades. Moreover, thiazolidinedione-induced SKM injury has only been reported in humans, and no evidence of SKM injury has been observed in rodents...
March 2, 2017: Toxicology
https://www.readbyqxmd.com/read/28261104/circulating-micrornas-correlated-with-bone-loss-induced-by-45-days-of-bed-rest
#17
Shukuan Ling, Guohui Zhong, Weijia Sun, Fengji Liang, Feng Wu, Hongxing Li, Yuheng Li, Dingsheng Zhao, Jinping Song, Xiaoyan Jin, Xiaorui Wu, Hailin Song, Qi Li, Yinghui Li, Shanguang Chen, Jianghui Xiong, Yingxian Li
The purpose of this study was to find the circulating microRNAs (miRNAs) co-related with bone loss induced by bed rest, and testify whether the selected miRNAs could reflect the bone mineral status of human after bed-rest. We analyzed plasma miRNA levels of 16 subjects after 45 days of -6° head-down tilt bed rest, which is a reliable model for the simulation of microgravity. We characterize the circulating miRNA profile in individuals after bed rest and identify circulating miRNAs which can best reflect the level of bone loss induced by bed rest...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28260062/serum-microrna-profiling-and-bioinformatics-analysis-of-patients-with-type-2-diabetes-mellitus-in-a-chinese-population
#18
Ze-Min Yang, Long-Hui Chen, Min Hong, Ying-Yu Chen, Xiao-Rong Yang, Si-Meng Tang, Qian-Fa Yuan, Wei-Wen Chen
Type 2 diabetes mellitus (T2DM) is characterized by islet β-cell dysfunction and insulin resistance, which leads to an inability to maintain blood glucose homeostasis. Circulating microRNAs (miRNAs) have been suggested as novel biomarkers for T2DM prediction or disease progression. However, miRNAs and their roles in the pathogenesis of T2DM remain to be fully elucidated. In the present study, the serum miRNA expression profiles of T2DM patients in Chinese cohorts were examined. Total RNA was extracted from serum samples of 10 patients with T2DM and five healthy controls, and these was used in reverse-transcription‑quantitative polymerase chain reaction analysis with the Exiqon PCR system of 384 serum/plasma miRNAs...
February 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28259929/expression-profiles-and-circulation-dynamics-of-rat-mesenteric-lymph-micrornas
#19
Wakako Sakamoto, Tomohiko Masuno, Hiroyuki Yokota, Toshihiro Takizawa
Mesenteric lymph is vital for immune cell trafficking and intestinal fluid and chyle transport, which aid homeostatic maintenance. There have been few reports investigating the profiles and circulatory dynamics of mesenteric lymph microRNAs (miRNAs). The present study aimed to provide a comprehensive analysis of miRNAs in normal rodent mesenteric lymph. Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR)‑based array analysis was performed to examine the expression levels of 375 miRNAs in normal rat mesenteric lymph...
February 28, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28257154/microrna-122-can-be-measured-in-capillary-blood-which-facilitates-point-of-care-testing-for-drug-induced-liver-injury
#20
A D Bastiaan Vliegenthart, Cécile Berends, Carmelita M J Potter, Maiwenn Kersaudy-Kerhoas, James W Dear
AIM: Liver-enriched microRNA-122 (miR-122) is a novel circulating biomarker for drug-induced liver injury (DILI). To date, miR-122 has been measured in serum or plasma venous samples. If miR-122 could be measured in capillary blood obtained from a finger prick it would facilitate point-of-care testing, such as in resource-limited settings that have a high burden of DILI. METHODS: In this study, in healthy subjects, miR-122 was measured by PCR in 3 capillary blood drops taken from different fingers and in venous blood and plasma (N = 20)...
March 3, 2017: British Journal of Clinical Pharmacology
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