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Plasma microRNA

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https://www.readbyqxmd.com/read/28928672/micrornas-clustered-within-the-14q32-locus-are-associated-with-endothelial-damage-and-microparticle-secretion-in-bicuspid-aortic-valve-disease
#1
Neus Martínez-Micaelo, Raúl Beltrán-Debón, Gerard Aragonés, Marta Faiges, Josep M Alegret
Background: We previously described that PECAM(+) circulating endothelial microparticles (EMPs) are elevated in bicuspid aortic valve (BAV) disease as a manifestation of endothelial damage. In this study, we hypothesized that this endothelial damage, is functionally related to the secretion of a specific pattern of EMP-associated miRNAs. Methods: We used a bioinformatics approach to correlate the PECAM(+) EMP levels with the miRNA expression profile in plasma in healthy individuals and BAV patients (n = 36)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28928469/activation-of-mir-34a-5p-sirt1-p66shc-pathway-contributes-to-doxorubicin-induced-cardiotoxicity
#2
Jie-Ning Zhu, Yong-Heng Fu, Zhi-Qin Hu, Wen-Yu Li, Chun-Mei Tang, Hong-Wen Fei, Hui Yang, Qiu-Xiong Lin, De-Ming Gou, Shu-Lin Wu, Zhi-Xin Shan
The molecular mechanisms underlying anthracyclines-induced cardiotoxicity have not been well elucidated. MiRNAs were revealed dysregulated in the myocardium and plasma of rats received Dox treatment. MicroRNA-34a-5p (miR-34a-5p) was verified increased in the myocardium and plasma of Dox-treated rats, but was reversed in rats received Dox plus DEX treatments. Human miR-34a-5p was also observed increased in the plasma of patients with diffuse large B-cell lymphoma after 9- and 16-week epirubicin therapy. Up-regulation of miR-34a-5p was observed in Dox-induced rat cardiomyocyte H9c2 cells...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28926935/identification-of-circulating-mirnas-differentially-regulated-by-opioid-treatment
#3
Kaoru Toyama, Naoki Kiyosawa, Kenji Watanabe, Hitoshi Ishizuka
Emerging evidence demonstrates functional contributions of microRNAs (miRNAs) to μ-opioid receptor (MOR) signaling, but the information so far has been mostly limited to their intracellular regulatory mechanisms. The present study aimed to investigate changes in plasma miRNA profiles elicited by opioid treatment in blood samples collected from clinical studies. Healthy male subjects were orally administered with hydromorphone or oxycodone and blood samples were collected at a specified time after the drug treatment...
September 16, 2017: International Journal of Molecular Sciences
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
#4
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...
September 15, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28910345/circulating-mrnas-and-mirnas-as-candidate-markers-for-the-diagnosis-and-prognosis-of-prostate-cancer
#5
Marilesia Ferreira de Souza, Hellen Kuasne, Mateus de Camargo Barros-Filho, Heloísa Lizotti Cilião, Fabio Albuquerque Marchi, Paulo Emilio Fuganti, Alexandre Rossi Paschoal, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Circulating nucleic acids are found in free form in body fluids and may serve as minimally invasive tools for cancer diagnosis and prognosis. Only a few studies have investigated the potential application of circulating mRNAs and microRNAs (miRNAs) in prostate cancer (PCa). The Cancer Genome Atlas (TCGA) database was used for an in silico analysis to identify circulating mRNA and miRNA as potential markers of PCa. A total of 2,267 genes and 49 miRNAs were differentially expressed between normal and tumor samples...
2017: PloS One
https://www.readbyqxmd.com/read/28910318/characterization-of-a-novel-panel-of-plasma-micrornas-that-discriminates-between-mycobacterium-tuberculosis-infection-and-healthy-individuals
#6
Jia-Yi Cui, Hong-Wei Liang, Xin-Ling Pan, Di Li, Na Jiao, Yan-Hong Liu, Jin Fu, Xiao-Yu He, Gao-Xiang Sun, Chun-Lei Zhang, Chi-Hao Zhao, Dong-Hai Li, En-Yu Dai, Ke Zen, Feng-Min Zhang, Chen-Yu Zhang, Xi Chen, Hong Ling
Cavities are important in clinical diagnosis of pulmonary tuberculosis (TB) infected by Mycobacterium tuberculosis. Although microRNAs (miRNAs) play a vital role in the regulation of inflammation, the relation between plasma miRNA and pulmonary tuberculosis with cavity remains unknown. In this study, plasma samples were derived from 89 cavitary pulmonary tuberculosis (CP-TB) patients, 89 non-cavitary pulmonary tuberculosis (NCP-TB) patients and 95 healthy controls. Groups were matched for age and gender. In the screening phase, Illumina high-throughput sequencing technology was employed to analyze miRNA profiles in plasma samples pooled from CP-TB patients, NCP-TB patients and healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28904074/mirna-mir408-regulates-grain-yield-and-photosynthesis-via-a-phytocyanin-protein
#7
Jin-Ping Zhang, Yang Yu, Yan-Zhao Feng, Yan-Fei Zhou, Fan Zhang, Yu-Wei Yang, Meng-Qi Lei, Yu-Chan Zhang, Yue-Qin Chen
Increasing grain yield is the most important subject of crop breeding. Here, we report the elevated expression of a conserved microRNA, OsmiR408, could positively regulate grain yield in rice by increasing panicle branches and grain number. We further showed that OsmiR408 regulates grain yield by downregulating its downstream target, OsUCL8, which is an uclacyanin (UCL) gene of the phytocyanin family. The knock down or knock out of OsUCL8 also increases grain yield, while the overexpression of OsUCL8 results in an opposite phenotype...
September 13, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28903572/biomarkers-in-immunoglobulin-light-chain-amyloidosis
#8
Z Kufová, T Sevcikova, K Growkova, P Vojta, J Filipová, Z Adam, L Pour, M Penka, R Rysava, P Němec, L Brozova, P Vychytilova, A Jurczyszyn, S Grosicki, A Barchnicka, M Hajdúch, M Simicek, R Hájek
Immunoglobulin light chain amyloidosis (AL amyloidosis - ALA) is a monoclonal gammopathy characterized by presence of aberrant plasma cells producing amyloidogenic immunoglobulin light chains. This leads to formation of amyloid fibrils in various organs and tissues, mainly in heart and kidney, and causes their dysfunction. As amyloid depositing in target organs is irreversible, there is a big effort to identify biomarker that could help to distinguish ALA from other monoclonal gammopathies in the early stages of disease, when amyloid deposits are not fatal yet...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28900608/comparative-analysis-of-microrna-expression-among-benign-and-malignant-tongue-tissue-and-plasma-of-patients-with-tongue-cancer
#9
Guilherme Rabinowits, Michaela Bowden, Ludmila M Flores, Sigitas Verselis, Victoria Vergara, Vickie Y Jo, Nicole Chau, Jochen Lorch, Peter S Hammerman, Tom Thomas, Laura A Goguen, Donald Annino, Jonathan D Schoenfeld, Danielle N Margalit, Roy B Tishler, Robert I Haddad
BACKGROUND: Identification of a microRNA (miRNA) pattern to be used as a biomarker for HNSCC is challenging given the heterogeneity of the disease and different methodologies used. To better define the field, we performed a prospective analysis of blood, tumor, and paired benign tissues in tongue squamous cell carcinoma (SCC) patients. METHODS: Plasma samples were collected prior to surgery, and paired tumor and benign tissue blocks were collected from tongue cancer resections...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28900088/-estimation-of-time-dependent-microrna-expression-patterns-in-brain-tissue-leukocytes-and-blood-plasma-of-rats-under-photochemically-induced-focal-cerebral-ischemia
#10
V A Gusar, A V Timofeeva, I S Zhanin, S I Shram, V G Pinelis
miRNA expression over different time periods (24 and 48 h) using the quantitative RT-PCR and deep sequencing has been evaluated in a model of photochemically induced thrombosis. A combination of two approaches allowed us to determine the miRNA expression patterns caused by ischemia. Nine miRNAs, including let-7f-5p, miR-221-3p, miR-21-5p, miR-30c-5p, miR-30a-3p, miR-223-3p, miR-23a-3p, miR-22-5p, and miR-99a-5p, were differentially expressed in brain tissue and leukocytes of rats 48 h after onset of ischemia...
July 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28899883/microrna-146a-mimics-reduce-the-peripheral-neuropathy-in-type-ii-diabetic-mice
#11
Xian Shuang Liu, Baoyan Fan, Alexandra Szalad, Longfei Jia, Lei Wang, Xinli Wang, Wanlong Pan, Li Zhang, Ruilan Zhang, Jiani Hu, Xiao Ming Zhang, Michael Chopp, Zheng Gang Zhang
MicroRNA-146a (miR-146a) regulates multiple immune diseases. However, the role of miR-146a in diabetic peripheral neuropathy (DPN) has not been investigated. We found that mice (db/db) with type II diabetes exhibited substantial down-regulation of miR-146a in sciatic nerve tissue. Systemic administration of miR-146a mimics to diabetic mice elevated miR-146a levels in plasma and sciatic nerve tissue and substantially increased motor and sensory nerve conduction velocities by 29% and 11%, respectively, and regional blood flow by 50% in sciatic nerve tissue...
September 12, 2017: Diabetes
https://www.readbyqxmd.com/read/28893694/altered-expression-of-microrna-15a-and-kruppel-like-factor-4-in-cerebrospinal-fluid-and-plasma-after-aneurysmal-subarachnoid-hemorrhage
#12
Yuichiro Kikkawa, Takeshi Ogura, Hiroyuki Nakajima, Toshiki Ikeda, Ririko Takeda, Hiroaki Neki, Shinya Kohyama, Fumitaka Yamane, Ryota Kurogi, Toshiyuki Amano, Akira Nakamizo, Masahiro Mizoguchi, Hiroki Kurita
BACKGROUND: Cerebral vasospasm (CVS) is a major determinant of prognosis in patients with subarachnoid hemorrhage (SAH). Alteration in the vascular phenotype contributes to development of CVS. However, little is known about the role of microRNAs (miRNAs) in the phenotypic alteration after SAH. We investigated the expression profile of miRNAs and the chronological changes in the expression of microRNA-15a (miR-15a) and Kruppel-like factor 4 (KLF4), a potent regulator of vascular phenotype modulation that modulates the expression of miR-15a, in the plasma and cerebrospinal fluid (CSF) of SAH patients...
September 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28892656/plasma-let-7i-and-mir-15a-expression-are-associated-with-the-effect-of-recombinant-tissue-plasminogen-activator-treatment-in-acute-ischemic-stroke-patients
#13
Wei Xiang, Canhui Tian, Jingru Lin, Xiaohui Wu, Guanlai Pang, Liang Zhou, Suyue Pan, Zhen Deng
Circulating microRNAs (miRNAs) have been reported as diagnosis biomarkers and predictors in acute ischemic stroke (AIS). However, how the expression of circulating miRNAs changes after recombinant tissue plasminogen activator (rt-PA) treatment in AIS patients is still unknown. OBJECTIVE: To determine the expression of circulating miRNAs in AIS patients receiving rt-PA treatment and those not receiving it. METHODS: Blood samples were collected 24h after onset from 40 AIS patients receiving rt-PA treatment and 46 AIS patients (admission at 8-24h of onset) not receiving rt-PA treatment...
September 5, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28890884/circulating-mir-92a-mir-143-and-mir-342-in-plasma-are-novel-potential-biomarkers-for-acute-myeloid-leukemia
#14
Amr Rafat Elhamamsy, Muhammad Suleiman El Sharkawy, Ahmed Farouk Zanaty, Mohammed Ahmed Mahrous, Ahmed Ezzat Mohamed, Eslam Ahmed Abushaaban
MicroRNAs (miRNAs) are small non-coding RNAs that function as post-transcriptional gene expression regulators. The expression profiling of miRNAs has already entered into cancer clinics as diagnostic and prognostic biomarkers to assess tumor initiation, progression and response to treatment in cancer patients. Recent studies have opened the way for the use of circulating miRNAs as non-invasive diagnosis and prognosis of Acute myeloid leukemia (AML). The aim of this study was to identify plasma miR-92a, miR-143 and miR-342 expression signatures in AML patients to introduce new markers for establishing AML diagnosis and prognosis...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28890348/mir-362-3p-inhibits-the-proliferation-and-migration-of-vascular-smooth-muscle-cells-in-atherosclerosis-by-targeting-adamts1
#15
Meiling Li, Qing Liu, Jiayan Lei, Xiaoliang Wang, Xiaoyun Chen, Yanhui Ding
Atherosclerosis is a progressive condition of the large arteries that can cause coronary artery disease (CAD). Growing amounts of evidence have indicated that microRNAs (miRNAs, miRs) can be used as diagnostic biomarkers in many cellular processes associated with CAD. MiR-362-3p has been implicated in many biological cellular functions. However, little is known about the role of miR-362-3p during atherosclerosis. In the present study, significant downregulation of miR-362-3p was observed in 110 atherosclerotic CAD patients and not in the 84 controls...
September 8, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28885716/micrornas-are-potential-objective-and-early-biomarkers-for-acute-rejection-of-transplanted-limbs-in-a-rat-model
#16
Hiroki Oda, Ryosuke Ikeguchi, Tomoki Aoyama, Souichi Ohta, Takashi Noguchi, Yukitoshi Kaizawa, Hirofumi Yurie, Hisataka Takeuchi, Koji Yamamoto, Shuichi Matsuda
BACKGROUND: Limb transplantation is considered to be a treatment option for amputees. Visual skin inspection and histological assessment are used to assess rejection, but these techniques are largely subjective. Using a rat model, we examined the potential of several microRNAs (miRNAs) to be used as objective and minimally invasive biomarkers of acute rejection of transplanted limbs. METHODS: Three Brown Norway rats and 15 Lewis rats were assigned to 2 groups. In the allograft group, 3 Brown Norway rats were used as the donors and 6 Lewis rats as the recipients...
September 8, 2017: Microsurgery
https://www.readbyqxmd.com/read/28883608/gyy4137-a-hydrogen-sulfide-donor-modulates-mir194-dependent-collagen-realignment-in-diabetic-kidney
#17
A M Sashi Papu John, Sourav Kundu, Sathnur Pushpakumar, Maura Fordham, Gregory Weber, Manas Mukhopadhyay, Utpal Sen
The relationship between hydrogen sulfide (H2S), microRNAs (miRs), matrix metalloproteinases (MMPs) and poly-ADP-ribose-polymerase-1 (PARP-1) in diabetic kidney remodeling remains mostly obscured. We aimed at investigating whether alteration of miR-194-dependent MMPs and PARP-1 causes renal fibrosis in diabetes kidney, and whether H2S ameliorates fibrosis. Wild type, diabetic Akita mice as well as mouse glomerular endothelial cells (MGECs) were used as experimental models, and GYY4137 as H2S donor. In diabetic mice, plasma H2S levels were decreased while ROS and expression of its modulator (ROMO1) were increased...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28883474/plasma-exosomal-mir-223-expression-regulates-inflammatory-responses-during-cardiac-surgery-with-cardiopulmonary-bypass
#18
Kin-Shing Poon, Kalaiselvi Palanisamy, Shih-Sheng Chang, Kuo-Ting Sun, Kuen-Bao Chen, Ping-Chun Li, Tso-Chou Lin, Chi-Yuan Li
Cardiopulmonary bypass (CPB) induces inflammatory responses, and effective endogenous homeostasis is important for preventing systemic inflammation. We assessed whether plasma exosomal microRNAs in patients undergoing cardiac surgery with CPB are involved in the regulation of inflammatory responses. Plasma samples were isolated from CPB patients (n = 21) at 5 specified time points: pre-surgery, pre-CPB and 2 hours (h), 4 h and 24 h after CPB began. Plasma TNF-α expression was increased after CPB began compared to that in the pre-surgery samples...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881640/microrna-200c-as-a-prognostic-and-sensitivity-marker-for-platinum-chemotherapy-in-advanced-gastric-cancer
#19
Min Li, Kangsheng Gu, Wei Liu, Xiaoque Xie, Xiaolu Huang
We examined microRNA-200c (miR-200c) expression in tumor tissues and plasma of patients with advanced gastric cancer and correlated miR-200c expression with treatment efficacy of platinum chemotherapy and patient prognosis. Tumor tissues were collected from 51 patients with advanced gastric cancer who received platinum-containing chemotherapies. The plasma was collected from the same group of patients and 51 subjects with chronic superficial gastritis. Quantitative RT-PCR was used to evaluate miR-200c expression, and its correlation with treatment efficacy and patient prognosis was analyzed...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28880477/exosomes-as-new-players-in-metabolic-organ-cross-talk
#20
REVIEW
Claudiane Guay, Romano Regazzi
Blood glucose homeostasis requires a constant communication between insulin-secreting and insulin-sensitive cells. A wide variety of circulating factors, including hormones, cytokines and chemokines work together to orchestrate the systemic response of metabolic organs to changes in the nutritional state. Failure in the coordination between these organs can lead to a rise in blood glucose levels and to the appearance of metabolic disorders such as diabetes mellitus. Exosomes are small extracellular vesicles (EVs) that are produced via the endosomal pathway and are released from the cells upon fusion of multivesicular bodies with the plasma membrane...
September 2017: Diabetes, Obesity & Metabolism
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