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miRNA in kidney

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https://www.readbyqxmd.com/read/28643818/serum-micrornas-are-altered-in-various-stages-of-chronic-kidney-disease-a-preliminary-study
#1
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/28642130/mir-155-expression-is-downregulated-in-kidney-transplant-patients-with-human-cytomegalovirus-infection
#2
Massimiliano Bergallo, Stefano Gambarino, Paola Montanari, Valentina Daprà, Marco Rassu, Ilaria Galliano, Paolo Ravanini
MicroRNAs are small, noncoding RNAs that control expression of target genes through inhibiting protein translation or inducing degradation of mRNA transcripts of target genes. According to the latest update, 2578 unique mature miRNAs are currently annotated in the human genome and participate in the regulation of multiple events, such as cellular proliferation or apoptosis. Herpesvirus family comprehends many viruses able to control and modulate host-cell processes permitting the survival by a latency phase after primary infection...
June 19, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28639626/circulating-mirnas-as-biomarkers-of-kidney-disease
#3
EDITORIAL
Alexander Hüttenhofer, Gert Mayer
Interest in microRNAs (miRNAs) has dramatically increased in recent years not only because they regulate mRNA expression, and thus many physiological or pathophysiological processes, but also because they could serve as biomarkers. Next to analysis of tissue miRNA expression, measurement in body fluids such as blood or urine is attractive because miRNA in microvesicles or bound to protein is very stable. Currently it is unclear whether these circulating miRNAs are tissue and disease specific or represent more general pathologies like inflammation...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28623542/identification-of-differentially-expressed-mirnas-associated-with-chronic-kidney-disease-mineral-bone-disorder
#4
Kyung Im Kim, Sohyun Jeong, Nayoung Han, Jung Mi Oh, Kook-Hwan Oh, In-Wha Kim
The purpose of this study is to characterize a meta-signature of differentially expressed mRNA in chronic kidney disease (CKD) to predict putative microRNA (miRNA) in CKD-mineral bone disorder (CKD-MBD) and confirm the changes in these genes and miRNA expression under uremic conditions by using a cell culture system. PubMed searches using MeSH terms and keywords related to CKD, uremia, and mRNA arrays were conducted. Through a computational analysis, a meta-signature that characterizes the significant intersection of differentially expressed mRNA and expected miRNAs associated with CKD-MBD was determined...
June 14, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28614373/relationship-between-microrna-146a-expression-and-plasma-renalase-levels-in-hemodialyzed-patients
#5
Marcin Dziedzic, Tomasz Powrózek, Ewelina Orłowska, Wojciech Koch, Wirginia Kukula-Koch, Kinga Gaweł, Anna Bednarek-Skublewska, Teresa Małecka-Massalska, Janusz Milanowski, Beata Petkowicz, Janusz Solski
BACKGROUND: microRNA (miRNA) belongs to the non-coding RNAs family responsible for the regulation of gene expression. Renalase is a protein composed of 342 amino acids, secreted by the kidneys and possibly plays an important role in the regulation of sympathetic tone and blood pressure. The aim of the present study was to investigate plasma renalase concentration, and explore the relationship between miRNA-146a-5p expression and plasma renalase levels in hemodialyzed patients. METHODS: The study population comprised 55 subjects who succumbed to various cardiac events, 27 women and 28 men, aged 65-70 years...
2017: PloS One
https://www.readbyqxmd.com/read/28597404/relevance-of-microrna-21-in-different-types-of-hypertension
#6
REVIEW
Durairaj Sekar, B R Shilpa, Anupam J Das
Hypertension (HTN) is a chronic medical condition that commonly affects the aging population worldwide. The prevalence of HTN is increasing in developing countries and is one of the leading causes of death in older individuals. HTN results from a complex interplay of genetic and environmental factors. Besides, HTN can result in various other health complications such as stroke and chronic kidney diseases, if not treated. Although various studies have explained the underlying mechanisms in the pathogenesis of HTN, limited information is available on their biomarkers...
July 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28587849/microrna-profiling-in-kidney-disease-plasma-versus-plasma-derived-exosomes
#7
Jeffrey X Xie, Xiaoming Fan, Christopher A Drummond, Reetam Majumder, Yanmei Xie, Tian Chen, Lijun Liu, Steven T Haller, Pamela S Brewster, Lance D Dworkin, Christopher J Cooper, Jiang Tian
Liquid biopsies have advanced rapidly in recent years for use in diagnostic and prognostic applications. One important aspect of this advancement is the growth in our understanding of microRNA (miRNA) biology. The measurement of miRNAs packaged within exosomes, which are constantly released into the blood stream, may reflect pathological changes within the body. The current study performed miRNA profiling using plasma and plasma-derived exosome samples from two animal models of kidney disease, the 5/6th partial nephrectomy (PNx) and two-kidney-one-clip (2K1C) models...
June 3, 2017: Gene
https://www.readbyqxmd.com/read/28582843/acute-lymphoblastic-leukemia-and-genetic-variations-in-bhmt-gene-case-control-study-and-computational-characterization
#8
Ravishankara Bellampalli, Manik Vohra, Kashish Sharma, Nalini Bhaskaranand, Kamalakshi G Bhat, Krishna Prasad, Anu R Sharma, Kapaettu Satyamoorthy, Padmalatha S Rai
BACKGROUND: Remethylation of homocysteine is catalyzed by B12 dependent methionine synthase (MTR) in all types of cells and by B12 non-dependent betaine homocysteine methyltransferase (BHMT) in liver and kidney cells. Of many etiologies of cancer, an unexplored area is the variations of genes implicated in methylation reaction. OBJECTIVE: The study evaluated the association of BHMT (rs3733890) with acute lymphoblastic leukemia (ALL), followed by in-silico characterization of variations in BHMT gene...
May 19, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28579513/micrornas-and-altered-metabolism-of-clear-cell-renal-cell-carcinoma-potential-role-as-aerobic-glycolysis-biomarkers
#9
REVIEW
Mariana Morais, Francisca Dias, Ana L Teixeira, Rui Medeiros
BACKGROUND: Warburg Effect is a metabolic switch that occurs in most of cancer cells but its advantages are not fully understood. This switch is known to happen in renal cell carcinoma (RCC), which is the most common solid cancer of the adult kidney. RCC carcinogenesis is related to pVHL loss and Hypoxia Inducible Factor (HIF) activation, ultimately leading to the activation of several genes related to glycolysis. MicroRNAs (miRNAs) regulate gene expression at a post-transcriptional level and are also deregulated in several cancers, including RCC...
June 1, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28571481/blood-biomarkers-of-kidney-transplant-rejection-an-endless-search
#10
Lola Jacquemont, Jean-Paul Soulillou, Nicolas Degauque
The tailoring of immunosuppressive treatment is recognized as a promising strategy to improve long-term kidney graft outcome. To guide the standard care of transplant recipients, physicians need objective biomarkers that can identify an ongoing pathology with the graft or low intensity signals that will be later evolved to accelerated transplant rejection. The early identification of 'high-risk /low-risk' patients enables the adjustment of standard of caring, including managing the frequency of clinical visits and the immunosuppression dosing...
July 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28559266/an-immunomodulatory-peptide-that-confers-protection-in-an-experimental-candidemia-murine-model
#11
Camila G Freitas, Stella M F Lima, Mirna S Freire, Ana Paula C Cantuária, Nelson G O Júnior, Tatiane S Santos, Jéssica S Folha, Suzana M Ribeiro, Simoni C Dias, Taia M B Rezende, Patrícia Albuquerque, André M Nicola, César de la Fuente-Núñez, Robert E W Hancock, Octávio L Franco, Maria Sueli S Felipe
Fungal Candida species are commensals present in the mammalian skin and mucous membranes. Candida spp. are capable of breaching the epithelial barrier of immuno-compromised patients with neutrophil and cell-mediated immune dysfunctions, and it can also disseminate to multiple organs through the bloodstream. Here we examined the action of innate defence regulator (IDR)-1018, a 12-aminoacid residue peptide derived from bovine bactenecin (Bac2A), showed weak antifungal and anti-biofilm activity against C. albicans laboratory (ATCC 10231) and a clinical isolate (CI) strains (MICs of 32 μg...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28555959/design-of-the-magnetic-resonance-imaging-evaluation-of-mineralocorticoid-receptor-antagonism-in-diabetic-atherosclerosis-magma-trial
#12
Sanjay Rajagopalan, M Amer Alaiti, Kylene Broadwater, Aditya Goud, Juan Gaztanaga, Kim Connelly, Anas Fares, Shayan Shirazian, Catherine Kreatsoulas, Michael Farkouh, Mirela Dobre, Jeffrey C Fink, Matthew R Weir
Mineralocorticoid receptor (MR) activation plays an essential role in promoting inflammation, fibrosis, and target organ damage. Currently, no studies are investigating MR antagonism in patients with type 2 diabetes mellitus (T2DM) with chronic kidney disease, at high risk for cardiovascular complications, who are otherwise not candidates for MR antagonism by virtue of heart failure. Further, there is limited information on candidate therapies that may demonstrate differential benefit from this therapy. We hypothesized that MR antagonism may provide additional protection from atherosclerosis progression in higher-risk patients who otherwise may not be candidates for such a therapeutic approach...
May 26, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28552712/identification-of-the-conserved-and-novel-micrornas-by-deep-sequencing-and-prediction-of-their-targets-in-topmouth-culter
#13
Yong Huang, Wangbao Gong, Hongtao Ren, Jianli Xiong, Xiaochan Gao, Xihong Sun
MicroRNAs (miRNAs) are endogenous non-coding small RNAs that play important roles in regulation of almost all biological processes in organisms. Topmouth culter is an economically important fish species in the Chinese freshwater polyculture system for its delicacy and high economic value. However, to date, no miRNAs have been reported in Topmouth culter species. In this study, the liver, muscle, spleen and kidney of Topmouth culter are sampled and used for construction of a small RNA library for deep sequencing...
May 25, 2017: Gene
https://www.readbyqxmd.com/read/28539288/-predictive-value-of-mirna-29a-and-mirna-10a-5p-for-28-day-mortality-in-patients-with-sepsis-induced-acute-kidney-injury
#14
Rui Huo, Min Dai, Yi Fan, Jing-Zheng Zhou, Li Li, Jian Zu
OBJECTIVE: To investigate the value of miR-29a and miR-10a-5p in predicting 28-day mortality in patients with sepsis-induced acute kidney injury. METHODS: Seventy-four patients with sepsis-induced acute kidney injury (AKI) and 41 patients with sepsis but without AKI (control) were examined for serum levels of miR-29a and miR-10a-5p using RT-PCR. The patients were followed up for 28 days to record their survival. Pearson correlation analysis was used to test the correlations of miR-29a and miR-10a-5p with serum creatinine (Scr), cystatin C (Cys-C), and KIM-1 in patients with AKI...
May 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28536471/caffeic-acid-attenuates-diabetic-kidney-disease-via-modulation-of-autophagy-in-a-high-fat-diet-streptozotocin-induced-diabetic-rat
#15
Marwa Matboli, Sanaa Eissa, Doaa Ibrahim, Marwa G A Hegazy, Shalabia S Imam, Eman K Habib
The aim of this study is to evaluate the anti-diabetic nephropathy effect of Caffeic acid and to prove our hypothesis for its mechanism of action that it may occur by reactivation of autophagy pathway via suppression of autophagy regulatory miRNAs. In vivo, high-fat diet and streptozotocin-induced (HFD-STZ) diabetic rats were treated with Caffeic acid once per day for 12 weeks before and after development of diabetic nephropathy. Blood and urine biochemical parameters, autophagy transcripts and their epigenetic regulators together with renal tissue morphology were investigated...
May 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28534944/high-mir-122-expression-promotes-malignant-phenotypes-in-ccrcc-by-targeting-occludin
#16
Kentaro Jingushi, Yuri Kashiwagi, Yuko Ueda, Kaori Kitae, Hiroaki Hase, Wataru Nakata, Kazutoshi Fujita, Motohide Uemura, Norio Nonomura, Kazutake Tsujikawa
Renal cell carcinoma (RCC) is the most common neoplasm of the adult kidney, and clear cell RCC (ccRCC) represents its most common histological subtype. Although several studies have reported high expression of miR-122 in ccRCC, its physiological role remains unclear. To clarify the role of miR-122 in ccRCC, we compared miR-122 expression levels in non-cancerous tissue and ccRCC. Significant upregulation of miR-122 was observed in ccRCC specimens. Moreover, ccRCC patients with high miR-122 expression showed poor progression-free survival compared to those with low miR-122 expression...
May 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534445/differential-expression-of-micrornas-and-their-predicted-targets-in-renal-cells-exposed-to-amphotericin-b-and-its-complex-with-copper-ii-ions
#17
Joanna Magdalena Gola, Barbara Strzałka-Mrozik, Celina Kruszniewska-Rajs, Jolanta Adamska, Mariusz Gagoś, Urszula Mazurek
MicroRNAs (miRNAs) have been reported to regulate essential biological processes, and their expression was shown to be affected by pathological processes and drug-induced toxicity. Amphotericin B (AmB) can cause liver and kidney injury, but a recently developed complex of AmB with copper (II) ions (AmB-Cu(2+)) exhibits a lower toxicity to human renal cells while retaining a high antifungal activity. The aim of our study was to assess AmB-Cu(2+)-induced changes in the miRNA profile of renal cells and examine which biological processes are significantly affected by AmB-Cu(2+)...
June 8, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28501916/micrornas-in-injury-and-repair
#18
REVIEW
Cory V Gerlach, Vishal S Vaidya
Organ damage and resulting pathologies often involve multiple deregulated pathways. MicroRNAs (miRNAs) are short, non-coding RNAs that regulate a multitude of genes at the post-transcriptional level. Since their discovery over two decades ago, miRNAs have been established as key players in the molecular mechanisms of mammalian biology including the maintenance of normal homeostasis and the regulation of disease pathogenesis. In recent years, there has been substantial progress in innovative techniques to measure miRNAs along with advances in targeted delivery of agents modulating their expression...
May 13, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28495592/mir-21-promotes-fibrogenesis-in-peritoneal-dialysis
#19
Melisa Lopez-Anton, Mark Lambie, Manuel Lopez-Cabrera, Claus P Schmitt, Vicente Ruiz-Carpio, Maria Bartosova, Betti Schaefer, Simon Davies, Timothy Stone, Robert Jenkins, Philip R Taylor, Nicholas Topley, Timothy Bowen, Donald Fraser
Peritoneal dialysis (PD) is a life-saving form of renal replacement therapy for those with end-stage kidney disease. Mesothelial cells (MCs) line the peritoneal cavity and help define peritoneal response to treatment-associated injury, a major reason for treatment failure. miRNAs are important regulators, but their roles in peritoneal fibrosis are largely unknown. In this study, miR-21 was one of the most abundant miRNAs in primary MCs, and was up-regulated by the profibrotic cytokine transforming growth factor-β1 and in PD effluent-derived MCs exhibiting mesenchymal phenotypic change...
July 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28489271/successful-treatment-of-kshv-inflammatory-cytokine-syndrome-kics-after-kidney-liver-transplant-correlations-with-hhv8-mirnome-and-specific-t-cell-response
#20
Alessandra Mularoni, Alessia Gallo, Giovanni Riva, Patrizia Barozzi, Monica Miele, Giovanni Cardinale, Giovanni Vizzini, Riccardo Volpes, Paolo Grossi, Daniele Di Carlo, Angelo Luca, Tommaso Trenti, Mario Luppi, Pier Giulio Conaldi
In post-transplant patients, HHV-8/KSHV infection is known to cause aggressive tumors, as well as severe non-neoplastic complications. These latter syndromes are driven by HHV-8/KSHV lytic reactivations and related hyper-inflammatory host responses, typically characterized by high viral loads, elevated levels of cytokines and other inflammation biomarkers, cytopenia, organ failure, high fever, and worsening conditions (with no evidence of B-cell neoplasias). These disorders are associated with a high mortality rate, often due to lack of prompt diagnosis, effective therapeutic approaches, and adequate follow up...
May 10, 2017: American Journal of Transplantation
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