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Kidney microrna

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https://www.readbyqxmd.com/read/28623542/identification-of-differentially-expressed-mirnas-associated-with-chronic-kidney-disease-mineral-bone-disorder
#1
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/28619106/bone-mesenchymal-stem-cells-ameliorate-ischemia-reperfusion-induced-damage-in-renal-epithelial-cells-via-microrna-223
#2
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/28616250/potential-role-of-serum-and-urinary-biomarkers-in-diagnosis-and-prognosis-of-diabetic-nephropathy
#3
REVIEW
Carole G Campion, Oraly Sanchez-Ferras, Sri N Batchu
PURPOSE OF REVIEW: Diabetic nephropathy (DN) is a progressive kidney disease caused by alterations in kidney architecture and function, and constitutes one of the leading causes of end-stage renal disease (ESRD). The purpose of this review is to summarize the state of the art of the DN-biomarker field with a focus on the new strategies that enhance the sensitivity of biomarkers to predict patients who will develop DN or are at risk of progressing to ESRD. OBJECTIVE: In this review, we provide a description of the pathophysiology of DN and propose a panel of novel putative biomarkers associated with DN pathophysiology that have been increasingly investigated for diagnosis, to predict disease progression or to provide efficient personal treatment...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28614373/relationship-between-microrna-146a-expression-and-plasma-renalase-levels-in-hemodialyzed-patients
#4
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/28614065/microrna-423-5p-facilitates-hypoxia-reoxygenation-induced-apoptosis-in-renal-proximal-tubular-epithelial-cells-by-targeting-gstm1-via-endoplasmic-reticulum-stress
#5
Xiao-Peng Yuan, Long-Shan Liu, Chuan-Bao Chen, Jian Zhou, Yi-Tao Zheng, Xiao-Ping Wang, Ming Han, Chang-Xi Wang
It has been reported that microRNAs (miRs) can regulate renal response to acute injury and members of them are believed to be important in maintenance of renal function and development of renal injury. We investigated the actions of microRNA-423-5p (miR-423-5p) and glutathione-S-transferase (GST) M1 after acute kidney injury. MiR-423-5p was up-regulated and GSTM1 was down-regulated in human kidney (HK-2) cells subjected to hypoxia/reoxygenation (H/R) and in rat kidneys subjected to ischemia/reperfusion (I/R) injury...
May 30, 2017: Oncotarget
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/28596300/clear-cell-renal-cell-carcinoma-is-linked-to-epithelial-to-mesenchymal-transition-and-to-fibrosis
#7
Lea Landolt, Øystein Eikrem, Philipp Strauss, Andreas Scherer, David H Lovett, Christian Beisland, Kenneth Finne, Tarig Osman, Mohammad M Ibrahim, Gro Gausdal, Lavina Ahmed, James B Lorens, Jean Paul Thiery, Tuan Zea Tan, Miroslav Sekulic, Hans-Peter Marti
Clear cell renal cell carcinoma (ccRCC) represents the most common type of kidney cancer with high mortality in its advanced stages. Our study aim was to explore the correlation between tumor epithelial-to-mesenchymal transition (EMT) and patient survival. Renal biopsies of tumorous and adjacent nontumorous tissue were taken with a 16 g needle from our patients (n = 26) undergoing partial or radical nephrectomy due to ccRCC RNA sequencing libraries were generated using Illumina TruSeq(®) Access library preparation protocol and TruSeq Small RNA library preparation kit...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28593882/vascular-calcification-the-role-of-micrornas
#8
Stelina Alkagiet, Konstantinos Tziomalos
Vascular calcification represents the deposition of calcium phosphate salts in the tunica media of the vascular wall. It occurs during aging but is accelerated and pronounced in patients with diabetes mellitus, chronic kidney disease (CKD) and established cardiovascular disease. Due to the loss of elasticity of the vessel wall, vascular calcification might result in left ventricular hypertrophy and compromise coronary perfusion. Accordingly, several studies showed that vascular calcification is associated with increased risk for cardiovascular morbidity and mortality...
April 20, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28587849/microrna-profiling-in-kidney-disease-plasma-versus-plasma-derived-exosomes
#9
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/28579513/micrornas-and-altered-metabolism-of-clear-cell-renal-cell-carcinoma-potential-role-as-aerobic-glycolysis-biomarkers
#10
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/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
#11
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
https://www.readbyqxmd.com/read/28565840/overexpression-of-mir-155-in-clear-cell-renal-cell-carcinoma-and-its-oncogenic-effect-through-targeting-foxo3a
#12
Hong Ji, Dong Tian, Bing Zhang, Yangyang Zhang, Dongliang Yan, Shuhua Wu
MicroRNA-155 (miR-155) is overexpressed in numerous human cancer types and has an oncogenic role. Previous study has revealed that miR-155 serves an important role in the progression of clear-cell renal cell carcinoma (ccRCC); however, the underlying mechanism was not completely clarified. The present study aimed to investigate the biological role of miR-155 in ccRCC and the underlying molecular mechanisms. The expression of miR-155 in 20 ccRCC and adjacent normal kidney tissues was determined by PCR. After downregulation of miR-155 expression by miR-155 inhibitor, cell growth was assessed by MTT and colony formation assays...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28558802/serum-micro-rna-profiles-in-patients-with-autosomal-dominant-polycystic-kidney-disease-according-to-hypertension-and-renal-function
#13
Ismail Kocyigit, Serpil Taheri, Elif Funda Sener, Eray Eroglu, Fahir Ozturk, Aydin Unal, Kezban Korkmaz, Gokmen Zararsiz, Murat Hayri Sipahioglu, Yusuf Ozkul, Bulent Tokgoz, Oktay Oymak, Tevfik Ecder, Jonas Axelsson
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is a common hereditary disorder with unclear disease mechanism. Currently, overt hypertension and increased renal volume are the best predictors of renal function. In this study, we assessed the usefulness of selected circulating microRNAs (miRs) to predict disease progress in a cohort with ADPKD. METHODS: Eighty ADPKD patients (44.6 ± 12.7 years, 40% female, 65% hypertensive) and 50 healthy subjects (HS; 45...
May 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28556588/effects-of-dna-methylation-on-progression-to-interstitial-fibrosis-and-tubular-atrophy-in-renal-allograft-biopsies-a-multi-omics-approach
#14
Sai Vineela Bontha, Daniel G Maluf, Kellie J Archer, Catherine I Dumur, Mikhail Dozmorov, Anne King, Enver Akalin, Thomas F Mueller, Lorenzo Gallon, Valeria R Mas
Progressive fibrosis of the interstitium is the dominant final pathway in renal destruction in native and transplanted kidneys. Over time, the continuum of molecular events following immunological and non-immunological insults lead to interstitial fibrosis and tubular atrophy (IFTA) and culminate in kidney failure. We hypothesize that these insults trigger changes in DNA methylation (DNAm) patterns which in turn could exacerbate injury and slow down the regeneration processes, leading to fibrosis development and graft dysfunction...
May 28, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28553316/microrna-155-and-anti-m%C3%A3-llerian-hormone-new-potential-markers-of-subfertility-in-men-with-chronic-kidney-disease
#15
Dag Eckersten, Christos Tsatsanis, Aleksander Giwercman, Laila Bruun, Mats Pihlsgård, Anders Christensson
BACKGROUND/AIMS: Men with terminal renal failure are often infertile. Anti-müllerian hormone (AMH), a marker of Sertoli cell function, is decreased among men with chronic kidney disease (CKD). Recently, a microRNA, miR-155, has been shown to be a potential marker for subfertility. We studied miR-155 and semen parameters in patients with CKD who were not yet on dialysis. We also aimed to study possible associations between AMH, miR-155, and semen parameters to evaluate them as markers of fertility...
January 2017: Nephron Extra
https://www.readbyqxmd.com/read/28552712/identification-of-the-conserved-and-novel-micrornas-by-deep-sequencing-and-prediction-of-their-targets-in-topmouth-culter
#16
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/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/28529243/over-expression-of-mir-21-and-lower-pten-levels-in-wilms-tumor-with-aggressive-behavior
#18
Mingyu Cui, Wei Liu, Lijuan Zhang, Feng Guo, Yang Liu, Fang Chen, Ting Liu, Rui Ma, Rongde Wu
Wilms' tumor (WT) is the most common pediatric kidney tumor. MiR-21 is one of the most frequently overexpressed microRNAs in solid tumors, while phosphatase and tensin homolog deleted from chromosome 10 (PTEN) is the most highly mutated tumor suppressor gene. The aim of this study was to investigate the relationship between miR-21 and PTEN in WT. The expression levels of miR-21 and the PTEN protein were determined by qRT-PCR and Western blot analyses in WT specimens, respectively. In WT tissues, the miR-21 expression levels were significantly higher and the PTEN protein levels were significantly lower, compared to the adjacent non-tumorous renal tissues...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28526933/protection-of-tubular-epithelial-cells-during-renal-injury-via-post-transcriptional-control-of-bmp7
#19
Jiping Sun, Aiping Yin, Fei Zhao, Wenjing Zhang, Jia Lv, Jing Lv
Severe injury of renal tubular epithelial cells may cause acute renal failure, the progression of which results in renal fibrosis, and obstructive nephropathy. Transforming growth factor β 1 and bone morphogenic protein 7 (BMP7) play contradicting roles in and coordinate the process of epithelial-to-mesenchymal transition of renal tubular epithelial cells, but the molecular regulation of BMP7 remains ill-defined. Here, we addressed this question. We found that after induction of unilateral ureteral obstruction (UUO) in mice, the increases in BMP7 mRNA were much more pronounced than BMP7 protein in kidney, suggesting the presence of post-transcriptional control of BMP7...
May 19, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28515178/a-model-specific-role-of-microrna-223-as-a-mediator-of-kidney-injury-during-experimental-sepsis
#20
James F Colbert, Joshay A Ford, Sarah M Haeger, Yimu Yang, Kyrie L Dailey, Kristen C Allison, Viola Neudecker, Christopher M Evans, Vanessa L Richardson, Kelley Brodsky, Sarah Faubel, Holger K Eltzschig, Eric P Schmidt, Adit A Ginde
Sepsis outcomes are heavily dependent on the development of septic organ injury, but no interventions exist to interrupt or reverse this process. MicroRNA-223 (miR-223) is known to be involved in both inflammatory gene regulation and host-pathogen interactions key to the pathogenesis of sepsis. The goal of this study was to determine the role of miR-223 as a mediator of septic kidney injury. Using miR-223 knockout mice and multiple models of experimental sepsis, we found that miR-223 differentially influences acute kidney injury (AKI) based on the model used...
May 17, 2017: American Journal of Physiology. Renal Physiology
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