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https://www.readbyqxmd.com/read/30400873/lack-of-impact-of-iodinated-contrast-media-on-kidney-cell-cycle-arrest-biomarkers-in-critically-ill-patients
#1
Emmanuelle Rouve, Karim Lakhal, Charlotte Salmon Gandonnière, Youenn Jouan, Laetitia Bodet-Contentin, Stephan Ehrmann
BACKGROUND: Iodinated contrast media may contribute to acute kidney injury. However, several recent works suggest that this toxicity is minimal in the clinical setting. Recently, urinary G1 cell-cycle arrest proteins tissue inhibitor of metalloproteinase 2 (TIMP-2) and insulin like growth factor binding protein 7 (IGFBP-7) were identified as highly sensitive and specific biomarkers for early detection of kidney aggression. The impact of contrast administration on those biomarkers has not been specifically evaluated but could provide clues about the toxicity of contrast media...
November 6, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/30113647/cardiometabolic-biomarkers-and-their-temporal-patterns-predict-poor-outcome-in-chronic-heart-failure-bio-shift-study
#2
Milos Brankovic, K Martijn Akkerhuis, Henk Mouthaan, Jasper J Brugts, Olivier C Manintveld, Jan van Ramshorst, Tjeerd Germans, Victor Umans, Eric Boersma, Isabella Kardys
Purpose: Multiple hormonal and metabolic alterations occur in chronic heart failure (CHF), but their proper monitoring during clinically silent progression of CHF remains challenging. Hence, our objective was to explore whether temporal patterns of six emerging cardiometabolic biomarkers predict future adverse clinical events in stable patients with CHF. Methods: In 263 patients with CHF, we determined the risk of a composite end point of heart failure hospitalization, cardiac death, left ventricular assist device implantation, and heart transplantation in relation to serially assessed blood biomarker levels and slopes (i...
November 1, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29917208/type-i-cardiorenal-syndrome-in-patients-with-acutely-decompensated-heart-failure-the-importance-of-new-renal-biomarkers
#3
A Atici, S Emet, R Cakmak, G Yuruyen, A Alibeyoglu, M Akarsu, Y Arman, M Kose, E Ozgun, M Ozcan, O Altun, I Onur, T Tukek
OBJECTIVE: Type 1 cardiorenal syndrome (CRS) is an acute renal failure in patients with acute decompensated heart failure with an incidence of 24% to 45%. The aim of our study was to investigate the significance of new renal biomarkers to predict type 1 CRS. PATIENTS AND METHODS: The study included 111 patients with acute decompensated heart failure diagnosed at the Istanbul Medical Faculty Emergency Department between 2014 and 2016, and 24 healthy volunteers. All urine samples were stored at -80°C after centrifugation...
June 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29907141/serum-and-urine-fgf23-and-igfbp-7-for-the-prediction-of-acute-kidney-injury-in-critically-ill-children
#4
Zhenjiang Bai, Fang Fang, Zhong Xu, Chunjiu Lu, Xueqin Wang, Jiao Chen, Jian Pan, Jian Wang, Yanhong Li
BACKGROUND: Fibroblast growth factor 23 (FGF23) and insulin-like growth factor binding protein 7 (IGFBP-7) are suggested to be biomarkers for predicting acute kidney injury (AKI). We compared them with proposed AKI biomarker of cystatin C (CysC), and aimed (1) to examine whether concentrations of these biomarkers vary with age, body weight, illness severity assessed by pediatric risk of mortality III score, and kidney function assessed by estimated glomerular filtration rate (eGFR), (2) to determine the association between these biomarkers and AKI, and (3) to evaluate whether these biomarkers could serve as early independent predictors of AKI in critically ill children...
June 15, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29663841/novel-heart-failure-biomarkers-why-do-we-fail-to-exploit-their-potential
#5
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...
June 2018: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/29622288/comparison-of-prognostic-usefulness-of-serum-insulin-like-growth-factor-binding-protein-7-in-patients-with-heart-failure-and-preserved-versus-reduced-left-ventricular-ejection-fraction
#6
Camilla Hage, Mette Bjerre, Jan Frystyk, Harvest F Gu, Kerstin Brismar, Erwan Donal, Jean-Claude Daubert, Cecilia Linde, Lars H Lund
We aimed to characterize of the role of insulin-like growth factor-binding protein 7 (IGFBP-7) in heart failure (HF) pathophysiology. IGFBP-7 has been associated with cardiac hypertrophy and diastolic dysfunction in HF. In 86 patients with HF with a preserved ejection fraction (HFpEF) (ejection fraction [EF] ≥45%) and 79 with HF with a reduced ejection fraction (HFrEF), we assessed concentrations of serum IGFBP-7, correlations between serum IGFBP-7 and clinical data, diastolic function, and associations with outcome...
June 15, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29574509/linkage-disequilibrium-and-functional-analysis-of-pre1-insertion-together-with-snps-in-the-promoter-region-of-igfbp7-gene-in-different-pig-breeds
#7
Qingyan Wu, Hao Yu, Wenzhen Wei, Yunyun Cheng, Shan Huang, Hongyu Shi, Songcai Liu, Jichao Xia, Hongyao Jia, Linlin Hao
Polymorphisms in regions upstream of transcription initiation site may modify the transcriptional activity of target genes by changing promoter activity. This study aims to determine whether or not polymorphisms at porcine IGFBP7 promoter region affect gene expression. In this study, eight SNPs and one PRE1 insertion in this region were first confirmed. The PRE1 insertion was widespread in 20 Chinese indigenous breeds, but was not observed in three commercial breeds. A perfect linkage disequilibrium, consisting of six of those SNPs and a PRE1, was observed with two haplotypes (h1 and h2) in five pig breeds...
May 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29545581/secretome-analysis-of-in-vitro-aged-human-mesenchymal-stem-cells-reveals-igfbp7-as-a-putative-factor-for-promoting-osteogenesis
#8
Arantza Infante, Clara I Rodríguez
Aging is a complex biological process, which involves multiple mechanisms with different levels of regulation. Senescent cells are known to secrete senescence-associated proteins, which exert negative influences on surrounding cells. Mesenchymal stem cells (MSCs), the common progenitors for bone, cartilage and adipose tissue (which are especially affected tissues in aging), are known to secrete a broad spectrum of biologically active proteins with both paracrine and autocrine functions in many biological processes...
March 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29537312/a-zebrafish-model-of-infection-associated-acute-kidney-injury
#9
Xiaoyan Wen, Liyan Cui, Seth Morrisroe, Donald Maberry, David Emlet, Simon Watkins, Neil A Hukriede, John A Kellum
Sepsis-associated acute kidney injury (S-AKI) independently predicts mortality among critically ill patients. The role of innate immunity in this process is unclear, and there is an unmet need for S-AKI models to delineate the pathophysiological response. Mammals and zebrafish ( Danio rerio) share a conserved nephron structure and homologous innate immune systems, making the latter suitable for S-AKI research. We introduced Edwardsiella tarda to the zebrafish. Systemic E. tarda bacteremia resulted in sustained bacterial infection and dose-dependent mortality...
August 1, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29529007/acute-kidney-injury-biomarkers-predict-an-increase-in-serum-milrinone-concentration-earlier-than-serum-creatinine-defined-acute-kidney-injury-in-infants-after-cardiac-surgery
#10
Katja M Gist, David S Cooper, Julia Wrona, Sarah Faubel, Christopher Altmann, Zhiqian Gao, Bradley S Marino, Jeffrey Alten, Kristal M Hock, Tomoyuki Mizuno, Alexander A Vinks, Melanie S Joy, Michael F Wempe, Michael R Bennett, Stuart L Goldstein
BACKGROUND: Milrinone, an inotropic agent used ubiquitously in children after cardiac surgery, accumulates in acute kidney injury (AKI). We assessed if urinary AKI biomarkers are predictive of an increase in milrinone concentrations in infants after cardiac surgery. METHODS: Multicenter prospective pilot study of infants undergoing cardiac surgery. Urinary AKI biomarkers were measured in the urine at specific time intervals after cardiopulmonary bypass initiation...
April 2018: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/29280192/igfbp-7-inhibits-the-differentiation-of-oligodendrocyte-precursor-cells-via-regulation-of-wnt-%C3%AE-catenin-signaling
#11
Nan Li, Jinfeng Han, Jing Tang, Yanqin Ying
Oligodendrocytes (OLs) are glial cells that form myelin sheaths in the central nervous system. Myelin sheath plays important role in nervous system and loss of it in neurodegenerative diseases can lead to impairment of movement. Understanding the signals and factors that regulate OL differentiation can help to address novel strategies for improving myelin repair in neurodegenerative diseases. The aim of this study was to investigate the role of insulin-like growth factor-binding proteins 7 (IGFBP-7) in differentiating OL precursor cells (OPCs)...
June 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29149959/urinary-tissue-inhibitor-of-metalloproteinase-and-insulin-like-growth-factor-7-as-early-biomarkers-of-delayed-graft-function-after-kidney-transplantation
#12
J Yang, S Y Lim, M-G Kim, C-W Jung, W-Y Cho, S-K Jo
BACKGROUND: Recently, urinary tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor-7 (IGFBP-7), markers for G1 cell cycle arrest, have been identified and validated in predicting the development of acute kidney injury in critically ill patients. It is unknown, however, whether these two biomarkers could predict the development of delayed graft function (DGF) after kidney transplantation (KT). METHODS: This is a single-center, prospective, observational study...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29044306/biomarkers-of-renal-recovery-after-acute-kidney-injury
#13
REVIEW
Sérgio Mina Gaião, José Artur Osório de Carvalho Paiva
Novel biomarkers can be suitable for early acute kidney injury diagnosis and the prediction of the need for dialysis. It remains unclear whether such biomarkers may also play a role in the prediction of recovery after established acute kidney injury or in aiding the decision of when to stop renal support therapy. PubMed, Web of Science and Google Scholar were searched for studies that reported on the epidemiology of renal recovery after acute kidney injury, the risk factors of recovery versus non-recovery after acute kidney injury, and potential biomarkers of acute kidney injury recovery...
July 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28677727/serum-biomarker-analysis-in-patients-with-recurrent-spontaneous-abortion
#14
Ying Wu, Junqin He, Chunyu Guo, Ying Zhang, Wei Yang, Mingwei Xin, Xinyun Liang, Xiaodan Yin, Jingshang Wang, Yanfeng Liu
Recurrent spontaneous abortion (RSA) occurs in 1‑5% of parturients. The sustained therapy and research for RSA is expensive, which is a serious issue faced by both patients and doctors. The aim of the present study was to detect protein expression profiles in the serum of RSA patients and healthy controls, and to identify potential biomarkers for this disease. A 1,000‑protein microarray consisting of a combination of Human L‑507 and L‑493 was used. The microarray data revealed that eight serum protein expression levels were significantly upregulated and 143 proteins were downregulated in RSA patients compared with the healthy controls...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28537976/interest-of-urinary-timp-2-%C3%A3-igfbp-7-for-predicting-the-occurrence-of-acute-kidney-injury-after-cardiac-surgery-a-gray-zone-approach
#15
Toufic Finge, Sébastien Bertran, Claire Roger, Damien Candela, Bruno Pereira, Christopher Scott, Laurent Muller, Benjamin Louart, Jean-Yves Lefrant
BACKGROUND: This study assessed the ability of 3-hour postoperative urinary tissue inhibitor of metalloproteinases-2 × insulin-like growth factor binding protein-7 ([TIMP-2] × [IGFBP-7]) to predict postoperative acute kidney injury (AKI) in patients undergoing cardiopulmonary bypass during cardiac surgery. METHODS: Patients undergoing cardiac surgery with cardiopulmonary bypass were eligible for this study. Patients with initial chronic renal insufficiency requiring renal replacement therapy, patients <18 years of age, and parturients were not included...
September 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28438765/longitudinal-characterization-of-renal-proximal-tubular-markers-in-normotensive-and-preeclamptic-pregnancies
#16
Elisabeth Codsi, Vesna D Garovic, Maria L Gonzalez-Suarez, Natasa Milic, Kristi S Borowski, Carl H Rose, Norman P Davies, Kianoush B Kashani, John C Lieske, Wendy M White
Glomerular damage is common in preeclampsia (PE), but the extent and etiology of tubular injury are not well understood. The aim of this study was to evaluate tubular injury in patients with PE and to assess whether it predates clinical disease. We performed a prospective cohort study of 315 pregnant women who provided urine samples at the end of the second trimester and at delivery. This analysis included women who developed PE ( n = 15), gestational hypertension (GH; n = 14), and normotensive controls (NC; n = 44)...
May 1, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28407838/-effects-of-maternal-folate-deficiency-on-the-methylation-of-insulin-like-growth-factor-system-in-the-offspring-rats
#17
Meng-Meng Wu, Fan Yang, Yi Qu, De-Zhi Mu
OBJECTIVE: To study the effects of maternal folate deficiency on fetal growth and development and the methylation profiles of insulin-like growth factor system in the offspring rats. METHODS: Twenty-two Sprague-Dawley female rats were randomly assigned to two groups: a folate deficient group (n=12) and a control group (n=10). They were fed with folate deficient and normal diet respectively. Dams were mated after 2 weeks of feeding. Eight female rats from each group were pregnant...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28382566/kinetics-of-the-cell-cycle-arrest-biomarkers-timp-2-igfbp-7-for-prediction-of-acute-kidney-injury-in-infants-after-cardiac-surgery
#18
Katja M Gist, Stuart L Goldstein, Julia Wrona, Jeffrey A Alten, Rajit K Basu, David S Cooper, Danielle E Soranno, Jane Duplantis, Christopher Altmann, Zhiqian Gao, Sarah Faubel
BACKGROUND: Tissue inhibitor metalloproteinase-2 (TIMP-2) and insulin-like growth factor binding protein-7 (IGFBP-7) are cell-cycle arrest biomarkers that have been shown to be predictive of acute kidney injury (AKI) in critically ill adults. AKI affects a large proportion (40%) of children following cardiac surgery. The aim of this study was to describe the kinetics of TIMP-2*IGFBP-7 and test its ability to predict AKI in infants following cardiac surgery. METHODS: A multicenter prospective study was performed in infants undergoing cardiac surgery with cardiopulmonary bypass (CPB) from October 2013 to January 2015...
September 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27769173/serum-insulin-like-growth-factor-1-and-its-binding-protein-7-potential-novel-biomarkers-for-heart-failure-with-preserved-ejection-fraction
#19
Michael Coll Barroso, Frank Kramer, Stephen J Greene, Daniel Scheyer, Till Köhler, Martin Karoff, Melchior Seyfarth, Mihai Gheorghiade, Wilfried Dinh
BACKGROUND: Insulin-like growth factor binding protein-7 (IGFBP-7) modulates the biological activities of insulin-like growth factor-1 (IGF-1). Previous studies demonstrated the prognostic value of IGFBP-7 and IGF-1 among patients with systolic heart failure (HF). This study aimed to evaluate the IGF1/IGFBP-7 axis in HF patients with preserved ejection fraction (HFpEF). METHODS: Serum IGF-1 and IGFBP-7 levels were measured in 300 eligible consecutive patients who underwent comprehensive cardiac assessment...
October 21, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27726925/the-effect-of-hmb-ingestion-on-the-igf-i-and-igf-binding-protein-response-to-high-intensity-military-training
#20
RANDOMIZED CONTROLLED TRIAL
Michael J Redd, Jay R Hoffman, Yftach Gepner, Jeffrey R Stout, Mattan W Hoffman, Daniel Ben-Dov, Shany Funk, David D Church, Guy Avital, Yacov Chen, Hagai Frankel, Ishay Ostfeld
OBJECTIVE: Insulin-like growth factor-I (IGF-I) is a metabolic and anabolic biomarker that has been proposed to reflect physiological adaptations resulting from multistressor environments. The bioactivity of IGF-I is regulated by seven different insulin-like growth factor binding proteins (IGFBPs) which act not only as carriers of IGF-1, but also function as a modulator of IGF-I availability and activity. Supplementing with β-hydroxy-β-methylbutyrate (HMB) has been shown to enhance physiological outcomes associated with intense training, and has been reported to augment the IGF-1 response...
February 2017: Growth Hormone & IGF Research
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