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https://www.readbyqxmd.com/read/29663841/novel-heart-failure-biomarkers-why-do-we-fail-to-exploit-their-potential
#1
Arnold Piek, Weijie Du, Rudolf A de Boer, Herman H W Silljé
Plasma biomarkers are useful tools in the diagnosis and prognosis of heart failure (HF). In the last decade, numerous studies have aimed to identify novel HF biomarkers that would provide superior and/or additional diagnostic, prognostic, or stratification utility. Although numerous biomarkers have been identified, their implementation in clinical practice has so far remained largely unsuccessful. Whereas cardiac-specific biomarkers, including natriuretic peptides (ANP and BNP) and high sensitivity troponins (hsTn), are widely used in clinical practice, other biomarkers have not yet proven their utility...
April 17, 2018: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/29587631/integrative-analysis-reveals-ncrna-mediated-molecular-regulatory-network-driving-secondary-hair-follicle-regression-in-cashmere-goats
#2
Guangxian Zhou, Danju Kang, Sen Ma, Xingtao Wang, Ye Gao, Yuxin Yang, Xiaolong Wang, Yulin Chen
BACKGROUND: Cashmere is a keratinized product derived from the secondary hair follicles (SHFs) of cashmere goat skins. The cashmere fiber stops growing following the transition from the actively proliferating anagen stage to the apoptosis-driven catagen stage. However, little is known regarding the molecular mechanisms responsible for the occurrence of apoptosis in SHFs, especially as pertains to the role of non-coding RNAs (ncRNAs) and their interactions with other molecules. Hair follicle (HF) degeneration is caused by localized apoptosis in the skin, while anti-apoptosis pathways may coexist in adjacent HFs...
March 27, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29438982/micrornas-associated-with-reverse-left-ventricular-remodeling-in-humans-identify-pathways-of-heart-failure-progression
#3
Ravi Shah, Olivia Ziegler, Ashish Yeri, Xiaojun Liu, Venkatesh Murthy, Dustin Rabideau, Chun Yang Xiao, Kristina Hanspers, Arianna Belcher, Michael Tackett, Anthony Rosenzweig, Alexander R Pico, James L Januzzi, Saumya Das
BACKGROUND: Plasma extracellular RNAs have recently garnered interest as biomarkers in heart failure (HF). Most studies in HF focus on single extracellular RNAs related to phenotypes and outcomes, and few describe their functional roles. We hypothesized that clusters of plasma microRNAs (miRNAs) associated with left ventricular (LV) remodeling in human HF would identify novel subsets of genes involved in HF in animal models. METHODS AND RESULTS: We prospectively measured circulating miRNAs in 64 patients with systolic HF (mean age, 64...
February 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29390965/breed-dependent-microrna-expression-in-the-primary-culture-of-skeletal-muscle-cells-subjected-to-myogenic-differentiation
#4
Tomasz Sadkowski, Anna Ciecierska, Jolanta Oprządek, Edyta Balcerek
BACKGROUND: Skeletal muscle in livestock develops into meat, an important source of protein and other nutrients for human consumption. The muscle is largely composed of a fixed number of multinucleated myofibers determined during late gestation and remains constant postnatally. A population of postnatal muscle stem cells, called satellite cells, gives rise to myoblast cells that can fuse with the existing myofibers, thus increasing their size. This requires a delicate balance of transcription and growth factors and specific microRNA (miRNA) expressed by satellite cells and their supporting cells from the muscle stem cell niche...
January 31, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29330215/mir-195-regulates-metabolism-in-failing-myocardium-via-alterations-in-sirt3-expression-and-mitochondrial-protein-acetylation
#5
Xiaokan Zhang, Ruiping Ji, Xianghai Liao, Estibaliz Castillero, Peter J Kennel, Danielle L Brunjes, Marcus Franz, Sven Möbius-Winkler, Konstantinos Drosatos, Isaac George, Emily I Chen, Paolo C Colombo, P Christian Schulze
Background -Heart failure (HF) leads to mitochondrial dysfunction and metabolic abnormalities of the failing myocardium coupled with an energy-depleted state and cardiac remodeling. The mitochondrial deacetylase sirtuin 3 (SIRT3) plays a pivotal role in the maintenance of mitochondrial function through regulating the mitochondrial acetylome. Interestingly, unique cardiac and systemic miRNAs have been shown to play an important role in cardiac remodeling by modulating key signaling elements in the myocardium...
January 12, 2018: Circulation
https://www.readbyqxmd.com/read/29314582/transcoronary-concentration-gradients-of-circulating-micrornas-in-heart-failure
#6
Salvatore De Rosa, Francesca Eposito, Cristina Carella, Antonio Strangio, Giuseppe Ammirati, Jolanda Sabatino, Fabio Giovanni Abbate, Claudio Iaconetti, Vincenzo Liguori, Valerio Pergola, Alberto Polimeni, Silvio Coletta, Clarice Gareri, Bruno Trimarco, Giuseppe Stabile, Antonio Curcio, Ciro Indolfi, Antonio Rapacciuolo
AIMS: Circulating levels of microRNAs (miRNAs) are emergent promising biomarkers for cardiovascular disease. Altered expression of miRNAs has been related to heart failure (HF) and cardiac remodelling. We measured the concentration gradients across the coronary circulation to assess their usefulness to diagnose HF of different aetiologies. METHODS AND RESULTS: Circulating miRNAs were measured in plasma samples simultaneously obtained from the aorta and the coronary venous sinus in patients with non-ischaemic HF (NICM-HF, n = 23) ischaemic HF (ICM-HF, n = 41), and in control patients (n = 11)...
January 4, 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29286111/mir-31a-5p-protects-myocardial-cells-against-apoptosis-by-targeting-tp53
#7
Meng-Jie Yan, Zhi-Sen Tian, Zhi-Hui Zhao, Ping Yang
The pathogenesis and progression of heart failure (HF) involves multiple mechanisms, including the increased activity of the renin-angiotensin-aldosterone system, apoptosis and differential expression of microRNAs (miRNAs/miRs). Our previous study revealed an increase in miR‑31a‑5p levels in the failing hearts of a rat HF model. In the present study, whether and how miR‑31a‑5p mediates angiotensin II (AngII)‑induced apoptosis in the cardiac H9C2 cell line, was investigated using molecular biological approaches, including reverse transcription followed by quantitative polymerase chain reaction, western blotting, RNA arrays, and mutagenesis...
March 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29126951/circulating-micrornas-as-novel-biomarkers-for-heart-failure
#8
Feng Chen, Jiefu Yang, Yingying Li, Hua Wang
OBJECTIVE: We Sought to identify circulating miRNAs suitable for HF diagnosis. METHODS: In this study, a genome-wide plasma miRNA microarray was performed in 13 HF patients and 3 controls. The expression levels of selected differentially expressed, upregulated miRNAs (miR-3135b, miR-3908 and miR-5571-5p) were validated with quantitative real-time PCR (qRT-PCR) assays in an independent cohort of 33 HF patients and 20 controls. RESULTS: Of all the miRNAs analyzed, miR-3135b (P<0...
November 7, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/29117535/rescuing-infusion-of-mirna-1-prevents-cardiac-remodeling-in-a-heart-selective-mirna-deficient-mouse
#9
Shuilian Luo, Yuhang Chen, Rui He, Yujun Shi, Li Su
OBJECTIVE: The decreased expression of muscle-specific microRNA-1 (miR-1) has been found in many cardiovascular diseases and is considered to contribute to heart failure (HF). Here we investigated the role of miR-1 in myocardium protection by infusion of miR-1 in a cardiac global miRNA-deficient mouse. METHODS: We generated a cardiac-selective miRNA-deficient mouse by crossing Dicerflox/flox mice with mice expressing tamoxifen-inducible Cre recombinase under the control of a mouse αMHC promoter...
January 1, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29116107/micrornas-regulating-superoxide-dismutase-2-are-new-circulating-biomarkers-of-heart-failure
#10
Emilie Dubois-Deruy, Marie Cuvelliez, Jan Fiedler, Henri Charrier, Paul Mulder, Eleonore Hebbar, Angelika Pfanne, Olivia Beseme, Maggy Chwastyniak, Philippe Amouyel, Vincent Richard, Christophe Bauters, Thomas Thum, Florence Pinet
Although several risk factors such as infarct size have been identified, the progression of heart failure (HF) remains difficult to predict in clinical practice. Using an experimental rat model of post-myocardial infarction (MI), we previously identified 45 proteins differentially modulated during HF by proteomic analysis. This study sought to identify microRNAs (miRNAs) able to regulate these proteins and to test their relevance as biomarkers for HF. In silico bioinformatical analysis selected 13 miRNAs related to the 45 proteins previously identified...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29101298/loss-of-microrna-22-prevents-high-fat-diet-induced-dyslipidemia-and-increases-energy-expenditure-without-affecting-cardiac-hypertrophy
#11
Gabriela Placoná Diniz, Zhan-Peng Huang, Jianming Liu, Jinghai Chen, Jian Ding, Renata Inzinna Fonseca, Maria Luiza Barreto-Chaves, Jose Donato, Xiaoyun Hu, Da-Zhi Wang
Obesity is associated with development of diverse diseases, including cardiovascular diseases and dyslipidemia. MiRNA-22 (miR-22) is a critical regulator of cardiac function and targets genes involved in metabolic processes. Previously, we generated miR-22 null mice and we showed that loss of miR-22 blunted cardiac hypertrophy induced by mechanohormornal stress. In the present study, we examined the role of miR-22 in the cardiac and metabolic alterations promoted by high-fat (HF) diet. We found that loss of miR-22 attenuated the gain of fat mass and prevented dyslipidemia induced by HF diet, although the body weight gain, or glucose intolerance and insulin resistance did not seem to be affected...
December 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29027324/circulating-microrna-132-levels-improve-risk-prediction-for-heart-failure-hospitalization-in-patients-with-chronic-heart-failure
#12
Serge Masson, Sandor Batkai, Julia Beermann, Christian Bär, Angelika Pfanne, Sabrina Thum, Michela Magnoli, Giovanna Balconi, Gian Luigi Nicolosi, Luigi Tavazzi, Roberto Latini, Thomas Thum
AIMS: Non-coding microRNAs (miRNAs) are critically involved in cardiovascular pathophysiology. Since they are measurable in most body fluids, they have been proposed as circulating biomarkers. We examined the prognostic value of a specific candidate miRNA in a large cohort of patients with chronic heart failure (HF) enrolled in a multicentre clinical trial. METHODS AND RESULTS: Plasma levels of miR-132 were measured using miRNA-specific PCR-based technologies at randomization in 953 patients with chronic, symptomatic HF from the GISSI-Heart Failure trial...
October 12, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29020916/integrated-analysis-of-coding-genes-and-non-coding-rnas-during-hair-follicle-cycle-of-cashmere-goat-capra-hircus
#13
Shanhe Wang, Wei Ge, Zhixin Luo, Yang Guo, Beilei Jiao, Lei Qu, Zhiying Zhang, Xin Wang
BACKGROUND: Cashmere growth is a seasonal and cyclic phenomenon under the control of photoperiod and multiple stimulatory and inhibitory signals. Beyond relevant coding genes, microRNA (miRNA) and long non coding RNA (lncRNA) play an indispensable role in hair follicle (HF) development and skin homeostasis. Furthermore, the influence of lncRNA upon miRNA function is also rapidly emerging. However, little is known about miRNAs, lncRNAs and their functions as well as their interactions on cashmere development and cycling...
October 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28949058/prognostic-value-of-circulating-micrornas-on-heart-failure-related-morbidity-and-mortality-in-two-large-diverse-cohorts-of-general-heart-failure-patients
#14
Antoni Bayes-Genis, David E Lanfear, Maurice W J de Ronde, Josep Lupón, Joost J Leenders, Zhen Liu, Nicolaas P A Zuithoff, Marinus J C Eijkemans, Elisabet Zamora, Marta De Antonio, Aeilko H Zwinderman, Sara-Joan Pinto-Sietsma, Yigal M Pinto
AIMS: Small studies suggested circulating microRNAs (miRNAs) as biomarkers for heart failure (HF). However, standardized approaches and quality assessment for measuring circulating miRNAs are not uniformly established, and most studies have been small, so that results are inconsistent. We used a standardized data handling protocol, optimized for circulating miRNA qPCRs to remove noise and used it to assess which circulating miRNAs robustly add prognostic information in patients with HF...
September 26, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28811555/identification-of-novel-micrornas-in-the-sheep-heart-and-their-regulation-in-heart-failure
#15
Lee Lee Wong, Miriam T Rademaker, Eng Leng Saw, Kar Sheng Lew, Leigh J Ellmers, Christopher J Charles, Arthur Mark Richards, Peipei Wang
Study of microRNA (miRNAs) using sheep models is limited due to lack of miRNA information. We therefore investigated oar-miRNAs and their regulation in an ovine model of heart failure (HF). Left ventricular (LV) tissue was collected from normal (Cont), HF (LV pacing @ ~220bpm for 13-days) and HF-recovery sheep (HF-R, 26-days after pacing cessation). MiRNA expression was profiled using next-generation sequencing (NGS) and miRNA array, and validated by stem-loop qPCR. Detected sequences were mapped against the ovine genome (Oar v4...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28770611/clinical-significance-of-mirna-autophagy-transcript-expression-in-patients-with-hepatocellular-carcinoma
#16
Marwa Matboli, Ayman E Shafei, Hanan H Shehata, Nesreen Nabil, Nourhan Hossam, Ahmed Em Azazy, Ahmed Hf El-Tawdi, Omar Abdel-Rahman
AIM: This study integrates autophagy transcripts miRNAs expression based on bioinformatic analysis followed by clinical validation. METHODOLOGY: Cellular jun proto-oncogene mRNA, LAMP2 mRNA, miR-16 and miR-146a level were investigated in the serum and tissue of patients with hepatocellular carcinoma (HCC), chronic hepatitis C and healthy volunteers by quantitative real-time PCR. The prognostic power of this serum RNA panel was explored. RESULTS: The expression of serum cellular jun proto-oncogene mRNA, LAMP2 mRNA, miR-16 and miR-146a were positive in 85...
August 3, 2017: Biomarkers in Medicine
https://www.readbyqxmd.com/read/28765595/integration-of-mirna-and-mrna-expression-profiles-reveals-microrna-regulated-networks-during-muscle-wasting-in-cardiac-cachexia
#17
Leonardo N Moraes, Geysson J Fernandez, Ivan J Vechetti-Júnior, Paula P Freire, Rodrigo W A Souza, Rolando A R Villacis, Silvia R Rogatto, Patricia P Reis, Maeli Dal-Pai-Silva, Robson F Carvalho
Cardiac cachexia (CC) is a common complication of heart failure (HF) associated with muscle wasting and poor patient prognosis. Although different mechanisms have been proposed to explain muscle wasting during CC, its pathogenesis is still not understood. Here, we described an integrative analysis between miRNA and mRNA expression profiles of muscle wasting during CC. Global gene expression profiling identified 1,281 genes and 19 miRNAs differentially expressed in muscle wasting during CC. Several of these deregulated genes are known or putative targets of the altered miRNAs, including miR-29a-3p, miR-29b-3p, miR-210-5p, miR-214, and miR-489...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28693530/analysis-of-circulating-micrornas-in-patients-with-repaired-tetralogy-of-fallot-with-and-without-heart-failure
#18
Masood Abu-Halima, Eckart Meese, Andreas Keller, Hashim Abdul-Khaliq, Tanja Rädle-Hurst
BACKGROUND: MicroRNAs (miRNAs) are a class of regulatory RNAs that regulate gene expression post-transcriptionally. Little, however, is known on the expression profile of circulating miRNAs in Tetralogy of Fallot (TOF) patients late after surgical repair. In this study, we aimed to identify the specific patterns of circulating miRNAs in blood of patients with repaired, non-syndromic TOF and to assess whether these specific miRNAs may be useful to differentiate patients with and without heart failure...
July 10, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28466998/cardiac-remodelling-and-preeclampsia-an-overview-of-overlapping-mirnas
#19
Zenab Mohseni, Marc E A Spaanderman, Jolien Oben, Martina Calore, Elianne Derksen, Salwan Al-Nasiry, Leon J de Windt, Chahinda Ghossein-Doha
OBJECTIVES: Preeclampsia (PE) is strongly associated with heart failure (HF) later in life. During preeclamptic pregnancy the left ventricle (LV) remodels in a concentric way. This aberrant remodelling often persists after delivery. The concentric remodelling during PE can induce molecular signatures that may explain the associated increased risk of HF. This signature may be evaluated in terms of microRNAs (miRNAs). This review evaluates existing literature on miRNA expression data in concentric remodelling on the one hand and PE on the other to generate a list of overlapping miRNA expression patterns in both...
May 3, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28437675/whole-blood-sequencing-reveals-circulating-microrna-associations-with-high-risk-traits-in-non-st-segment-elevation-acute-coronary-syndrome
#20
Alice Wang, Lydia Coulter Kwee, Elizabeth Grass, Megan L Neely, Simon G Gregory, Keith A A Fox, Paul W Armstrong, Harvey D White, E Magnus Ohman, Matthew T Roe, Svati H Shah, Mark Y Chan
BACKGROUND AND AIMS: Although circulating microRNA (miRNAs) have emerged as biomarkers predicting mortality in acute coronary syndrome (ACS), more data are needed to understand these mechanisms. Mapping miRNAs to high-risk traits may identify miRNAs involved in pathways conferring risk for poor outcome in ACS. We aim to investigate the relationship between circulating miRNAs and high-risk traits in non-ST-segment elevation acute coronary syndrome (NSTE-ACS). METHODS: Whole-genome miRNA sequencing was performed on RNA extracted from whole blood of 199 patients with NSTE-ACS...
March 30, 2017: Atherosclerosis
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