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Micro-rna

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https://www.readbyqxmd.com/read/29783999/identification-of-micro-rna-expression-profile-related-to-recurrence-in-women-with-esmo-low-risk-endometrial-cancer
#1
Tiphaine de Foucher, Maria Sbeih, Jenifer Uzan, Sofiane Bendifallah, Marine Lefevre, Nathalie Chabbert-Buffet, Selim Aractingi, Catherine Uzan, Issam Abd Alsalam, Rana Mitri, Romain H Fontaine, Emile Daraï, Bassam Haddad, Céline Méhats, Marcos Ballester, Geoffroy Canlorbe, Cyril Touboul
BACKGROUND: Actual European pathological classification of early-stage endometrial cancer (EC) may show insufficient accuracy to precisely stratify recurrence risk, leading to potential over or under treatment. Micro-RNAs are post-transcriptional regulators involved in carcinogenic mechanisms, with some micro-RNA patterns of expression associated with EC characteristics and prognosis. We previously demonstrated that downregulation of micro-RNA-184 was associated with lymph node involvement in low-risk EC (LREC)...
May 21, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29782519/increased-circulating-microrna-122-is-a-biomarker-for-discrimination-and-risk-stratification-in-patients-defined-by-sepsis-3-criteria
#2
Tim Rahmel, Simon T Schäfer, Ulrich H Frey, Michael Adamzik, Jürgen Peters
BACKGROUND: Sepsis is now operationally defined as life-threatening organ dysfunction caused by an infection, identified by an acute change in SOFA-Score of at least two points, including clinical chemistry such as creatinine or bilirubin concentrations. However, little knowledge exists about organ-specific microRNAs as potentially new biomarkers. Accordingly, we tested the hypotheses that micro-RNA-122, the foremost liver-related micro-RNA (miR), 1) discriminates between sepsis and infection, 2) is an early predictor for mortality, and 3) improves the prognostic value of the SOFA-score...
2018: PloS One
https://www.readbyqxmd.com/read/29743819/involvement-of-mir-126-in-autoimmune-disorders
#3
REVIEW
Marco Casciaro, Eleonora Di Salvo, Teresa Brizzi, Carmelo Rodolico, Sebastiano Gangemi
Background: Micro-RNA represent a great family of small non-condign ribonucleic acid molecules; in particular microRNA-126 is an important member of this family and is expressed in many human cells such as cardiomyocytes, endothelial and lung cells. Some studies have shown the implication of miR-126 in cancer, but recently significant progresses have also been made in determining the role of miR-126 regulating immune-related diseases; probably, in a near future, they could potentially serve as diagnostic biomarkers or therapeutic targets...
2018: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/29734169/cell-based-therapies-in-acute-kidney-injury-aki
#4
Daniel Patschan, Ivo Buschmann, Oliver Ritter, Andreas Kribben
Acute kidney injury frequently occurs in hospitalized patients all over the world. The prognosis remains poor since specific therapies for promoting kidney regeneration/repair are still missing. In recent years cell-based strategies have improved AKI outcomes under experimental circumstances. Four groups of cells, each of them displaying certain biological and functional characteristics have been evaluated in AKI, induced Pluripotent Stem Cells (iPSCs), Spermatagonial Stem Cells (SSCs), Proangiogenic Cells (PACs) and Endothelial Colony Forming Cells (ECFCs), and Mesenchymal Stem Cells (MSCs)...
May 3, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29730230/resistin-facilitates-vegf-c-associated-lymphangiogenesis-by-inhibiting-mir-186-in-human-chondrosarcoma-cells
#5
Chen-Ming Su, Chih-Hsin Tang, Meng-Ju Chi, Chih-Yang Lin, Yi-Chin Fong, Yueh-Ching Liu, Wei-Cheng Chen, Shih-Wei Wang
Chondrosarcoma is a common primary malignant tumor of the bone that can metastasize through the vascular system to other organs. A key step in the metastatic process, lymphangiogenesis, involves vascular endothelial growth factor-C (VEGF-C). However, the effects of lymphangiogenesis in chondrosarcoma metastasis remain to be clarified. Accumulating evidence shows that resistin, a cytokine secreted from adipocytes and monocytes, also promotes tumor pathogenesis. Notably, chondrosarcoma can easily metastasize...
May 3, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29709496/molecular-markers-associated-with-development-and-progression-of-potentially-premalignant-oral-epithelial-lesions-current-knowledge-and-future-implications
#6
REVIEW
Nikolaos G Nikitakis, Monica Pentenero, Maria Georgaki, Catherine F Poh, Douglas E Peterson, Paul Edwards, Mark Lingen, John J Sauk
Identification and management of potentially premalignant oral epithelial lesions (PPOELs) at highest risk of malignant transformation holds great promise for successful secondary prevention of oral squamous cell carcinoma, potentially reducing oral cancer morbidity and mortality. However, to date, neither clinical nor histopathologic validated risk predictors that can reliably predict which PPOELs will definitively progress to malignancy have been identified. In addition, the management of PPOELs remains a major challenge...
April 4, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29704636/decreased-microglial-numbers-in-vav1-cre-dicer-knock-out-mice-suggest-a-second-source-of-microglia-beyond-yolk-sac-macrophages
#7
M K Fehrenbach, M Tjwa, I Bechmann, M Krueger
Microglia represent the resident macrophages of the central nervous system (CNS). While it is clear that microglia recruitment is established by differentiation of primitive yolk sac (YS) macrophages and consecutive invasion of the brain, starting around E8 in rodents (Ginhoux et al., 2010), more recent studies suggest that a non-YS contribution to the microglia population should not entirely be dismissed (Swinnen et al., 2013; Xu et al., 2015). Therefore, we used Vav1-Cre+ :dicer knock-out mice in order to study the effect of the post-YS hematopoiesis on the definitive microglial population in late prenatal (E16...
April 25, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29698973/the-novel-biomarker-of-germ-cell-tumours-micro-rna-371a-3p-has-a-very-rapid-decay-in-patients-with-clinical-stage-1
#8
Arlo Radtke, Finja Hennig, Raphael Ikogho, Johannes Hammel, Petra Anheuser, Christian Wülfing, Gazanfer Belge, Klaus-Peter Dieckmann
BACKGROUND: Accumulating evidence suggests serum levels of microRNA (miR)-371a-3p to be a novel tumour marker of testicular germ cell tumours (GCTs). Presently, there is only limited information regarding the velocity of decline of serum levels in response to treatment. PATIENTS AND METHODS: Twenty-four patients with testicular GCT (20 seminoma, 4 nonseminoma, median age 40 years) with clinical stage 1 had measurements of serum levels of miR-371a-3p preoperatively and repeatedly on the following 3 days...
April 26, 2018: Urologia Internationalis
https://www.readbyqxmd.com/read/29696996/a-technical-assessment-of-the-porcine-ejaculated-spermatozoa-for-a-sperm-specific-rna-seq-analysis
#9
Marta Gòdia, Fabiana Quoos Mayer, Julieta Nafissi, Anna Castelló, Joan Enric Rodríguez-Gil, Armand Sánchez, Alex Clop
The study of the boar sperm transcriptome by RNA-seq can provide relevant information on sperm quality and fertility and might contribute to animal breeding strategies. However, the analysis of the spermatozoa RNA is challenging as these cells harbor very low amounts of highly fragmented RNA, and the ejaculates also contain other cell types with larger amounts of non-fragmented RNA. Here, we describe a strategy for a successful boar sperm purification, RNA extraction and RNA-seq library preparation. Using these approaches our objectives were: (i) to evaluate the sperm recovery rate (SRR) after boar spermatozoa purification by density centrifugation using the non-porcine-specific commercial reagent BoviPureTM ; (ii) to assess the correlation between SRR and sperm quality characteristics; (iii) to evaluate the relationship between sperm cell RNA load and sperm quality traits and (iv) to compare different library preparation kits for both total RNA-seq (SMARTer Universal Low Input RNA and TruSeq RNA Library Prep kit) and small RNA-seq (NEBNext Small RNA and TailorMix miRNA Sample Prep v2) for high-throughput sequencing...
April 26, 2018: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29693176/pu-1-attenuates-tnf%C3%A2-%C3%AE-%C3%A2-induced-proliferation-and-cytokine-release-of-rheumatoid-arthritis-fibroblast%C3%A2-like-synoviocytes-by-regulating-mir%C3%A2-155-activity
#10
Zikang Xie, Yuxing Qu, Pengfei Shen, Bin Wang, Kang Wei, Bin Du
The present study aimed to determine the role of transcription factor PU.1 (PU.1) in tumor necrosis factor‑α (TNF‑α)‑induced proliferation and cytokine release of rheumatoid arthritis fibroblast‑like synoviocytes (RA‑FLS). It was determined that TNF‑α induced proliferation of RA‑FLS, whereas transfection with PU.1 3'untranslated region (UTR) inhibited this proliferation. Additionally, PU.1 3'UTR attenuated TNF‑α‑induced production of interleukin (IL)‑6 and IL‑1β, and downregulated the expression level of micro RNA (miR)‑155 in a dose‑dependent manner...
April 23, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29679926/peripheral-artery-disease-a-micro-rna-related-condition
#11
REVIEW
Georgia Vogiatzi, Evangelos Oikonomou, Spyridon Deftereos, Gerasimos Siasos, Dimitris Tousoulis
Peripheral artery disease (PAD) is a vascular problem of diffuse atherosclerosis and is a major cause of cardiovascular morbidity and mortality. Many studies have tried to gain insight into the molecular mechanisms involved in PAD. Lately, highly stable circulating small noncoding RNAs, microRNAs (miRNAs), seem to have disease-specific expression. Thus, miRNAs are emerging as new measurable diagnostic biomarkers and a start point for individualized treatment. To date, the association of miRNA regulation in angiogenesis and maintenance of vascular integrity in PAD has attracted little interest...
April 18, 2018: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29678959/extracellular-vesicles-and-their-content-in-bioactive-lipid-mediators-more-than-a-sack-of-microrna
#12
Eric Boilard
Extracellular vesicles (EVs), such as exosomes and microvesicles, are small membrane-bound vesicles released by cells under various conditions. In a multitude of physiological and pathological conditions, EVs contribute to intercellular communication by facilitating exchange of material between cells. Rapidly growing interest is aimed at better understanding EV function and their use as biomarkers. The vast EV cargo includes cytokines, growth factors, organelles, nucleic acids (messenger and micro RNA), and transcription factors...
April 20, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29660943/circulating-cell-free-micro-rna-profiles-reflect-discordant-development-of-dementia-in-monozygotic-twins
#13
Jonas Mengel-From, Mette E Rønne, Anting L Carlsen, Kristin Skogstrand, Lisbeth A Larsen, Qihua Tan, Lene Christiansen, Kaare Christensen, Niels H H Heegaard
We aim to examine if circulating micro-RNA and cytokine levels associate with dementia diagnosis and cognitive scores. To test our hypothesis, we use plasma donated from 48 monozygotic twin pairs in 1997 and 46 micro-RNAs and 10 cytokines were quantified using microfluidic RT-qPCR and multiplex solid-phase immunoassays, respectively. Micro-RNA and cytokine profiling were examined for associations with dementia diagnoses in a longitudinal registry study or with cognitive scores at baseline. Thirty-six micro-RNAs and all cytokines were detected consistently...
April 11, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29620241/microarray-expression-profile-analysis-of-circular-rnas-in-pancreatic-cancer
#14
Shixiang Guo, Xuejun Xu, Yongsheng Ouyang, Yunchao Wang, Jiali Yang, Liangyu Yin, Jiayun Ge, Huaizhi Wang
Pancreatic cancer remains one of the most malignant tumors with a poor prognosis. Despite advances in diagnosis and treatment, no reliable biomarkers are available for clinical practice. Circular RNAs (circRNAs) are a novel class of endogenous non‑coding RNA, which are abundant, stable and conserved, and serve crucial roles in disease, particularly in cancer. The purpose of the present study was to investigate the expression profile of circRNAs in 20 pancreatic cancer tissues and corresponding paracancerous tissues using arraystar human circRNA array analysis, high‑throughput circRNA microarray, bioinformatic analysis and reverse transcription‑quantitative polymerase chain reaction...
March 29, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29605406/micro-rna-profile-and-proteins-in-peritoneal-fluid-from-women-with-endometriosis-their-relationship-with-sterility
#15
Josep Marí-Alexandre, Moisés Barceló-Molina, Elisa Belmonte-López, Javier García-Oms, Amparo Estellés, Aitana Braza-Boïls, Juan Gilabert-Estellés
OBJECTIVE: To define the microRNA (miRNA) profile and its relationship with cytokines content in peritoneal fluid (PF) from endometriosis patients. DESIGN: Case-control study. SETTING: University hospital, research institute. PATIENT(S): One hundred twenty-six women with endometriosis (EPF) and 45 control women (CPF). MAIN OUTCOMES MEASURE(S): MiRNA arrays were prepared from six EPF and six CPF...
March 28, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29579397/dicer1-deficiency-in-the-ipf-fibroblastic-focus-promotes-fibrosis-by-suppressing-microrna-biogenesis
#16
Jeremy Herrera, Daniel J Beisang, Mark Peterson, Colleen Forster, Adam Gilbertsen, Alexey Benyumov, Karen Smith, Christopher E Korenczuk, Victor H Barocas, Kacey Guenther, Ryan Hite, Lin Zhang, Craig A Henke, Peter B Bitterman
RATIONALE: The lung ECM in IPF mediates progression of fibrosis by decreasing fibroblast expression of microRNA-29 (miR-29), a master negative regulator of ECM production. The molecular mechanism is undefined. IPF ECM is stiffer than normal. Stiffness drives fibroblast ECM production in a YAP-dependent manner; and YAP is a known regulator of miR-29. Therefore, we tested the hypothesis that negative regulation of miR-29 by IPF ECM was mediated by mechanotransduction of stiffness. OBJECTIVES: To determine how IPF ECM negatively regulates miR-29...
March 26, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29578116/seminal-plasma-mir-192a-a-biomarker-predicting-successful-resolution-of-nonobstructive-azoospermia-following-varicocele-repair
#17
Er-Lei Zhi, Guo-Qing Liang, Peng Li, Hui-Xing Chen, Ru-Hui Tian, Peng Xu, Zheng Li
This study was performed to investigate a potential marker for the presence of spermatozoa in the ejaculate following varicocelectomy in Chinese men with nonobstructive azoospermia and varicoceles. The micro-RNA (miR)-192a levels in seminal plasma and testicular tissue were evaluated by quantitative real-time polymerase chain reaction from 60 men with nonobstructive azoospermia and varicoceles (Group A: 27 men with spermatozoa found in the ejaculate after surgery; Group B: 33 men without spermatozoa found in the ejaculate after surgery) and 30 controls...
March 23, 2018: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29566963/analysis-of-the-relationship-between-interleukin-polymorphisms-within-mirna-binding-regions-and-alcoholic-liver-disease
#18
I Novo-Veleiro, C Cieza-Borrella, I Pastor, Rogelio González-Sarmiento, F-J Laso, M Marcos
INTRODUCTION: Alcohol consumption promotes inflammation through the Toll-like receptor 4 (TLR4)/nuclear factor (NF)-κB pathway, leading to organic damage. Some micro-RNA (miRNA) molecules modulate this inflammatory response by downregulating TLR4/NF-κB pathway mediators, like interleukins (ILs). Thus, polymorphisms within IL genes located near miRNA binding sites could modify the risk of ethanol-induced damage. The present study analyzed potential relationships between alcoholism or alcoholic liver disease (ALD) and IL12B 2124 G>T (rs1368439), IL16 5000 C>T (rs1131445), IL1R1 3114 C>T (rs3917328), and NFKB1 3400 A>G (rs4648143) polymorphisms...
March 19, 2018: Revista Clínica Española
https://www.readbyqxmd.com/read/29534118/modulation-of-micro-rna-expression-and-osteoblast-differentiation-by-nanotopography
#19
Elisa Mattias Sartori, Osvaldo Magro-Filho, Daniela B Silveira Mendonça, Xiang Li, Jianping Fu, Gustavo Mendonça
PURPOSE: This study evaluated the expression pattern of micro RNAs (miRNAs) on a surface with nanotopography compared with a smooth surface (control). MATERIALS AND METHODS: Human mesenchymal stem cells (hMSCs) were plated on different surfaces and compared at 3, 7, and 14 days for alkaline phosphatase (ALP) activity, expression of genes (osterix [OSX], runt-related transcription factor 2 [RUNX2], bone morphogenetic protein 2 [BMP2], and ALP), and expression of miRNAs...
March 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29523295/molecular-hypotheses-to-explain-the-shared-pathways-and-underlying-pathobiological-causes-in-catatonia-and-in-catatonic-presentations-in-neuropsychiatric-disorders
#20
E M Peter-Ross
The pathobiological causes, the shared cellular and molecular pathways in catatonia and in catatonic presentation in neuropsychiatric disorders are yet to be determined. The hypotheses in this paper have been deduced from the latest scientific research findings and clinical observations of patients with genetic disorders, behavioral phenotypes and other family members suffering mental disorders. The first hypothesis postulates that catatonia and the heterogeneity of catatonic signs and symptoms involve nucleolar dysfunction arising from abnormalities of the brain-specific, non-coding micro-RNA, SNORD115 genes (either duplications or deletions) which result in pathobiological dysfunction of various combinations in the downstream pathways (possibly along with other genes in these shared pathways)...
April 2018: Medical Hypotheses
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