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https://www.readbyqxmd.com/read/28737113/micrornas-roles-in-regulating-neuroinflammation
#1
Andrew D Gaudet, Laura K Fonken, Linda R Watkins, Randy J Nelson, Phillip G Popovich
MicroRNAs (miRNAs) are small noncoding RNAs that broadly affect cellular and physiological function in all multicellular organisms. Here, the role of miRNAs in neuroinflammation is considered. miRNAs are 21- to 23-oligonucleotide RNAs that regulate translation of specific RNAs by binding to complementary regulatory RNA sequences, thereby causing mRNA degradation or sequestration. More than 5000 miRNAs likely exist in humans, and each miRNA binds an average of 200 RNAs. Specific immunomodulatory miRNAs can regulate a set of RNAs in a coordinated manner, suggesting that effective miRNA-based therapeutic manipulations for neuroinflammatory conditions may be revealed...
July 1, 2017: Neuroscientist: a Review Journal Bringing Neurobiology, Neurology and Psychiatry
https://www.readbyqxmd.com/read/28734158/interaction-between-platelet-derived-micrornas-and-cyp2c19-2-genotype-on-clopidogrel-antiplatelet-responsiveness-in-patients-with-acs
#2
Li Peng, Jun Liu, Liuan Qin, Jia Liu, Shaozhi Xi, Caiyi Lu, Tong Yin
BACKGROUND: Both platelet-derived microRNAs and the genotype of CYP2C19*2 were implicated for the variability of clopidogrel antiplatelet responsiveness. However, their interaction on the antiplatelet responsiveness of clopidogrel in patients with acute coronary syndrome (ACS) remains unknown. METHODS: Consecutive clopidogrel-treated patients with ACS were recruited, with their antiplatelet responsiveness evaluated by the relative platelet inhibition (RI), as measured by light transmittance aggregometry (LTA) at baseline and 5days' after the maintenance treatment of clopidogrel...
July 13, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28729435/dysregulation-of-mir-223-constitutes-a-promising-biomarker-that-informs-about-clinical-outcomes-of-acute-liver-failure
#3
Volker M Lauschke
In this issue of Clinical Science, Schueller et al. [Clin. Sci. (2017) 131, 1971-1987] evaluated the role of miR-223 across multiple etiologies of acute and chronic liver insults in murine models and clinical samples. The authors find that while miR-223 is not mechanistically involved in liver injury, its intracellular levels in hepatocytes are increased upon hepatic damage in a broad panel of mechanistically distinct injury models. Furthermore, the authors provide evidence that circulating miR-223 levels provide a promising minimally invasive biomarker for acute liver failure (ALF) that defines a distinct subset of ALF cases and correlates with clinical outcomes...
August 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28727490/comparison-of-the-release-of-micrornas-and-extracellular-vesicles-from-platelets-in-response-to-different-agonists
#4
Ashley R Ambrose, Mohammed A Alsahli, Sameer A Kurmani, Alison H Goodall
On activation platelets release microRNAs and extracellular vesicles (EV) into circulation. The release of EV from platelets has been shown to be dependent on the agonist; in this study, we investigated whether the microRNA profile or EV released from platelets was also agonist specific. Washed platelets from healthy subjects were maximally stimulated with agonists specific for the receptors for collagen (Glycoprotein VI (GPVI)), thrombin (PAR1/PAR4), or ADP (P2Y1/P2Y12) with/without inhibiting secondary mediators, using aspirin to block cyclooxygenase-1 and apyrase to remove ADP...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28723618/mir-223-3p-inhibits-angiogenesis-and-promotes-resistance-to-cetuximab-in-head-and-neck-squamous-cell-carcinoma
#5
Alexandre Bozec, Joséphine Zangari, Mathilde Butori-Pepino, Marius Ilie, Salomé Lalvee, Thierry Juhel, Catherine Butori, Patrick Brest, Paul Hofman, Valérie Vouret-Craviari
MicroRNAs (miRs) participate in tumor growth and dissemination by regulating expression of various target genes. MiR-223-3p is suspected of being involved in head and neck squamous cell carcinoma (HNSCC) growth although its precise role has not been elucidated. In this study, we showed that miR-223-3p is present in biopsies of HNSCC patients and that its presence is correlated with high neutrophil infiltrate. We found that overexpression of miR-223-3p slightly increased proliferation of the CAL27 squamous carcinoma cell line both in vitro and in vivo...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28721069/the-effect-of-circulating-mir-223-on-surveillance-of-different-cancers-a-meta-analysis
#6
Yunfeng Zhang, Jinbo Lin, Wenjie Huang, Yong Cao, Yi Liu, Tieqiang Wang, Weiyi Zhong, Dongli Wang, Rongrong Mao, Xiaoliang Chen
PURPOSE: Abnormal expression of miR-223 in cancerous tissue has confirmed it as an important player in tumorigenesis of cancers, such as hepatocellular carcinoma, colorectal carcinoma, osteosarcoma, gastric cancer, and chronic lymphocytic leukemia. The present meta-analysis aimed to explore the association between circulating miR-223 and prognosis of cancers. METHODS: The studies were accessed by an electronic search of multiple databases. RevMan5.3 and STATA14...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28683530/quantitative-analysis-of-milk-derived-micrornas-and-microbiota-during-the-manufacturing-and-ripening-of-soft-cheese
#7
Sangnam Oh, Mi Ri Park, Sangdon Ryu, Brighton E Maburutse, Ji-Uk Kim, Younghoon Kim
MicroRNAs (miRNAs) are abundant in bovine milk and milk derived from other livestock, and they have functional roles in infants and in the secretion process of mammary glands. However, few studies have evaluated miRNAs in dairy processes, such as during cheese making and ripening. Thus, we investigated the characteristics of milk-derived miRNAs during the manufacturing and ripening of Camembert cheese as well as the microbiota present using quantitative reverse transcription polymer chain reaction (RT-qPCR) and 16S rRNA pyrosequencing, respectively...
July 7, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28683362/promoter-hypomethylation-of-microrna223-gene-is-associated-with-atherosclerotic-cerebral-infarction
#8
Zhibin Li, Fang Yu, Xiaoqing Zhou, Sian Zeng, Qiong Zhan, Mei Yuan, Qidong Yang, Yunhai Liu, Jian Xia
BACKGROUND AND AIMS: microRNA223 (miR-223) plays an important role in the development of atherosclerosis and ischemic stroke. It is involved in regulation of multiple physiological and pathophysiological processes such as cholesterol metabolism, endothelial cell (EC) function, and thrombosis. Here we investigated the role of methylation regulation of MIR-223 promoter region in atherosclerotic cerebral infarction (ACI) patients. METHODS: A total of 23 patients with ACI and 32 healthy individuals were recruited...
June 28, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28682424/analysis-of-differential-expression-of-mir-223-in-platelets-of-elderly-chd-patients-before-and-after-the-autologous-stem-cell-transplantation
#9
H-L Yu, J-R Zhang
OBJECTIVE: The aim of this study was to investigate the differential expression of miR-223 in the platelets of elderly patients with coronary heart disease (CHD) before and after autologous stem cell transplantation. PATIENTS AND METHODS: In this study, 26 elderly CHD patients were enrolled for treatment from February 2014 to August 2015. Elbow venous blood was collected before and after autologous stem cell transplantation, respectively. Phosphorylation levels of vasodilator stimulated phosphoprotein (VASP) of platelets were assayed before and after the treatment through the flow cytometer...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28674420/improved-risk-stratification-in-prevention-by-use-of-a-panel-of-selected-circulating-micrornas
#10
Till Keller, Jes-Niels Boeckel, Stefan Groß, Jens Klotsche, Lars Palapies, David Leistner, Lars Pieper, Günnter K Stalla, Hendrik Lehnert, Sigmund Silber, David Pittrow, Winfried Maerz, Marcus Dörr, Hans-Ulrich Wittchen, Sebastian E Baumeister, Uwe Völker, Stephan B Felix, Stefanie Dimmeler, Andreas M Zeiher
Risk stratification is crucial in prevention. Circulating microRNAs have been proposed as biomarkers in cardiovascular disease. Here a miR panel consisting of miRs related to different cardiovascular pathophysiologies, was evaluated to predict outcome in the context of prevention. MiR-34a, miR-223, miR-378, miR-499 and miR-133 were determined from peripheral blood by qPCR and combined to a risk panel. As derivation cohort, 178 individuals of the DETECT study, and as validation cohort, 129 individuals of the SHIP study were used in a case-control approach...
July 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646120/mir-223-represents-a-biomarker-in-acute-and-chronic-liver-injury
#11
Florian Schueller, Sanchari Roy, Sven Heiko Loosen, Jan Alder, Christiane Koppe, Anne Theres Schneider, Franziska Wandrer, Heike Bantel, Mihael Vucur, Qing-Sheng Mi, Christian Trautwein, Tom Luedde, Christoph Roderburg
Background: Dysregulation of miRNAs has been described in tissue and serum from patients with acute and chronic liver diseases. However, only little information on the role of miR-223 in the pathophysiology of acute liver failure (ALF) and liver cirrhosis is available.  Methods: We analysed cell and tissue specific expression levels as well as serum concentrations of miR-223 in mouse models of acute (hepatic ischemia and reperfusion, single CCl4 injection) and chronic (repetitive CCl4 injection, bile duct ligation) liver diseases...
June 23, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28643818/serum-micrornas-are-altered-in-various-stages-of-chronic-kidney-disease-a-preliminary-study
#12
COMMENT
Benjamin Brigant, Valérie Metzinger-Le Meuth, Ziad A Massy, Nathalie McKay, Sophie Liabeuf, Marion Pelletier, Marion Sallée, Eléonore M'Baya-Moutoula, Pascale Paul, Tilman B Drueke, Stéphane Burtey, Laurent Metzinger
BACKGROUND: MicroRNAs (miRNAs) are innovative and informative blood-based biomarkers involved in numerous pathophysiological processes. In this study and based on our previous experimental data, we investigated miR-126, miR-143, miR-145, miR-155 and miR-223 as potential circulating biomarkers for the diagnosis and prognosis of patients with chronic kidney disease (CKD). The primary objective of this study was to assess the levels of miRNA expression at various stages of CKD. METHODS: RNA was extracted from serum, and RT-qPCR was performed for the five miRNAs and cel-miR-39 (internal control)...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28642576/upregulation-of-mir-223-in-the-rat-liver-inhibits-proliferation-of-hepatocytes-under-simulated-microgravity
#13
Yongjie Chen, Ji Xu, Chao Yang, Hongyu Zhang, Feng Wu, Jian Chen, Kai Li, Hailong Wang, Yu Li, Yinghui Li, Zhongquan Dai
Long-term spaceflight affects numerous organ systems in the body, including metabolic dysfunction. Recently, ample evidence has demonstrated that the liver is a vulnerable organ during spaceflight. However, the changes in hepatocyte proliferation and cell cycle control under microgravity remain largely unexplored. In the present study, we first confirmed that the serum levels of aspartate aminotransferase, alanine aminotransferase and alkaline phosphatase, biochemical markers of liver function, were altered in rats under tail suspension (TS) conditions to simulate microgravity, as shown in previous reports...
June 23, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#14
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
July 11, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28619106/bone-mesenchymal-stem-cells-ameliorate-ischemia-reperfusion-induced-damage-in-renal-epithelial-cells-via-microrna-223
#15
Xiaopeng Yuan, Xiaoping Wang, Chuanbao Chen, Jian Zhou, Ming Han
BACKGROUND: Recent studies have indicated that microRNA-223 (miR-223) plays a role in the tissue-protective effect of mesenchymal stem cells (MSCs). NLR family-pyrin domain containing 3 (NLRP3) was reported to affect a renal ischemia/reperfusion (I/R) injury by exerting a direct effect on the renal tubular epithelium. Therefore, we investigated how miR-223 and NLRP3 might function in kidneys exposed to conditions of ischemia and subsequent reperfusion. METHODS: Hypoxia/reoxygenation (H/R) murine renal tubular epithelial cells (RTECs) were cocultured with either MSCs or hypoxia-pretreated MSCs (htMSCs), after which the RTECs were examined for their viability and evidence of apoptosis...
June 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28587313/microrna-223-3p-regulates-ovarian-cancer-cell-proliferation-and-invasion-by-targeting-sox11-expression
#16
Gang Fang, Jiao Liu, Qianna Wang, Xueqiong Huang, Runwen Yang, Yuzhou Pang, Meichun Yang
MicroRNAs (miRNAs) often display different expression in many cancers and other diseases in current research studies. miR-223 expression is upregulated in rheumatoid arthritis. Also, miR-223 expression has been demonstrated to be highly expressed in pancreatic cancer and gastric cancer in comparison with normal tissue. However, whether miR-223 displays different expression in ovarian cancer and what its underlying functions are in ovarian cancer have remained unclear. In this study, we demonstrated that miR-223-3p was upregulated in ovarian cancer tissue...
June 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28584076/frontline-science-aspirin-triggered-resolvin-d1-controls-herpes-simplex-virus-induced-corneal-immunopathology
#17
Naveen K Rajasagi, Siddheshvar Bhela, Siva Karthik Varanasi, Barry T Rouse
Stromal keratitis (SK) is a chronic immunopathological lesion of the eye, caused by HSV-1 infection, and a common cause of vision impairment in humans. The inflammatory lesions in the cornea are primarily caused by neutrophils with the active participation of CD4(+) T cells. Therefore, the targeting of these immune cell types and their products represents a potentially valuable form of therapy to reduce the severity of disease. Resolvin D1 (RvD1) and its epimer aspirin-triggered RvD1 (AT-RvD1) are lipid mediators derived from docosahexaenoic acid (DHA) and were shown to promote resolution in several inflammatory disease models...
June 5, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28580822/effects-of-microrna-223-on-morphine-analgesic-tolerance-by-targeting-nlrp3-in-a-rat-model-of-neuropathic-pain
#18
Xiao-Juan Xie, Li-Gang Ma, Kai Xi, Dong-Mei Fan, Jian-Guo Li, Quan Zhang, Wei Zhang
Objective To investigate the effects of microRNA-223 on morphine analgesic tolerance by targeting NLRP3 in a rat model of neuropathic pain. Methods Our study selected 100 clean grade healthy Sprague-Dawley adult male rats weighing 200 to 250 g. After establishment of a rat model of chronic constriction injury, these rats were divided into 10 groups (10 rats in each group): the normal control, sham operation, chronic constriction injury, normal saline, morphine, miR-223, NLRP3, miR-223 + morphine, NLRP3 + morphine, and miR-223 + NLRP3 + morphine groups...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28579804/expression-of-urinary-mirnas-targeting-nlrs-inflammasomes-in-bladder-cancer
#19
Ettore Mearini, Giulia Poli, Giovanni Cochetti, Andrea Boni, Maria Giulia Egidi, Stefano Brancorsini
AIM OF THE STUDY: Inflammasome, a large complex of NOD-like receptors (NLRs), drives tumor growth and progression. The present study aimed at exploring the alteration in expression of urinary inflammasome-related microRNAs (miRNAs) in bladder cancer (BC). Our previous report demonstrated the up-regulation of NLRs genes (NLRP3, NLRP4, NLRP9 and NAIP) in urine sediments of patients harboring BC. The expression levels of miRNAs targeting these NLRs (miR-146a-5p, miR-106a-5p, miR-17-5p, miR-223-3p, miR-141-3p, miR-19a-3p, miR-145-5p, miR-185-5p) were assayed in the same patient cohort...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28577935/co-expression-analysis-among-micrornas-long-non-coding-rnas-and-messenger-rnas-to-understand-the-pathogenesis-and-progression-of-diabetic-kidney-disease-at-the-genetic-level
#20
Lihua Zhang, Rong Li, Junyi He, Qiuping Yang, Yanan Wu, Jingshan Huang, Bin Wu
Diabetic kidney disease (DKD) is a serious disease that presents a major health problem worldwide. There is a desperate need to explore novel biomarkers to further facilitate the early diagnosis and effective treatment in DKD patients, thus preventing them from developing end-stage renal disease (ESRD). However, most regulation mechanisms at the genetic level in DKD still remain unclear. In this paper, we describe our innovative methodologies that integrate biological, computational, and statistical approaches to investigate important roles performed by regulations among microRNAs (miRs), long non-coding RNAs (lncRNAs), and messenger RNAs (mRNAs) in DKD...
May 31, 2017: Methods: a Companion to Methods in Enzymology
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