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Kidney biomarker

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https://www.readbyqxmd.com/read/28214834/kidney-injury-molecule-1-is-elevated-in-nephropathy-and-mediates-macrophage-activation-via-the-mapk-signalling-pathway
#1
Lei Tian, Xinghua Shao, Yuanyuan Xie, Qin Wang, Xiajing Che, Minfang Zhang, Weijia Xu, Yao Xu, Shan Mou, Zhaohui Ni
BACKGROUND/AIMS: Kidney injury molecule-1 (KIM-1) is highly expressed in renal tubular cells after injury and is usually regarded as an early biomarker of acute kidney injury(AKI). The aim of this study was to determine the role of KIM-1 in the development of renal tubular injury Methods: Clinical samples, three different animal models and in vitro experiments were utilized to determine the possible mechanism underlying the involvement of KIM-1 in kidney injury. RESULTS: Both plasma and urinary KIM-1 expression levels were significantly higher in AKI and chronic kidney disease (CKD) patients than in healthy volunteers, and urinary KIM-1 expression was significantly higher in CKD patients than in AKI patients...
February 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214071/lipocalin-2-a-master-mediator-of-intestinal-and-metabolic-inflammation
#2
REVIEW
Alexander R Moschen, Timon E Adolph, Romana R Gerner, Verena Wieser, Herbert Tilg
Lipocalin-2 (LCN2), also known as neutrophil gelatinase-associated lipocalin (NGAL), is released by various cell types and is an attractive biomarker of inflammation, ischemia, infection, and kidney damage. Both intestinal and metabolic inflammation, as observed in obesity and related disorders, are associated with increased LCN2 synthesis. While LCN2 in the intestinal tract regulates the composition of the gut microbiota and shows anti-inflammatory activities, it also exhibits proinflammatory activities in other experimental settings...
February 14, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28213568/estimated-glomerular-filtration-rate-and-albuminuria-are-associated-with-biomarkers-of-cardiac-injury-in-a-population-based-cohort-study-the-maastricht-study
#3
Remy J H Martens, Dorien M Kimenai, Jeroen P Kooman, Coen D A Stehouwer, Frans E S Tan, Otto Bekers, Pieter C Dagnelie, Carla J H van der Kallen, Abraham A Kroon, Karel M L Leunissen, Frank M van der Sande, Nicolaas C Schaper, Simone J S Sep, Miranda T Schram, Jeroen D van Suijlen, Marja P van Dieijen-Visser, Steven J R Meex, Ronald M A Henry
BACKGROUND: Chronic kidney disease (CKD) is associated with an increased cardiovascular disease mortality risk. It is, however, less clear at what point in the course from normal kidney function to CKD the association with cardiovascular disease appears. Studying the associations of estimated glomerular filtration rate (eGFR) and albuminuria with biomarkers of (subclinical) cardiac injury in a population without substantial CKD may clarify this issue. METHODS: We examined the cross-sectional associations of eGFR and urinary albumin excretion (UAE) with high-sensitivity cardiac troponin (hs-cTn) T, hs-cTnI, and N-terminal probrain natriuretic-peptide (NT-proBNP) in 3103 individuals from a population-based diabetes-enriched cohort study...
February 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28212922/organ-specific-biomarkers-in-lupus
#4
REVIEW
Haijing Wu, Jinrong Zeng, Ming Zhao, Qianjin Lu
Systemic lupus erythematosus (SLE) is a complex and highly heterogeneous disease, which affects multiple organs, including joints, skin, kidneys, heart, hematopoietic system, and nerve system. While the etiopathogenesis of SLE still remains unclear, genetic susceptibilities and aberrant epigenetic modifications are believed to be involved. For precision therapy, it is necessary to assess accurately and objectively organ involvements and disease activity, which is difficult by current clinical laboratory tests...
February 14, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#5
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28212617/surfactant-protein-d-sp-d-gene-polymorphisms-and-serum-level-as-predictors-of-susceptibility-and-prognosis-of-acute-kidney-injury-in-the-chinese-population
#6
Jiao Liu, Guang Li, Lianghai Li, Zhiyong Liu, Qingshan Zhou, Guirong Wang, Dechang Chen
BACKGROUND: Injury to the kidney epithelial barrier is a characteristic feature of acute kidney injury (AKI). Serum surfactant protein-D (SP-D), a known biomarker of damaged alveolar epithelium, is also secreted by renal tubular epithelial cells. Therefore, the aim of this study was to examine the possible association of SP-D with AKI susceptibility and prognosis. METHODS: In this study, 159 AKI patients and 120 healthy individuals were included. SP-D polymorphisms Thr11Met and Thr160Ala, AKI patient serum SP-D levels at days 1, 3 and 7 and urine KIM-1 levels in both AKI patients and controls were examined...
February 17, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28210773/validating-benefit-of-biomarker-directed-therapy-for-acute-kidney-injury-can-you-have-your-cake-and-eat-it
#7
EDITORIAL
J R Prowle, M Schetz
No abstract text is available yet for this article.
February 16, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28209095/leptospira-seropositivity-as-a-risk-factor-for-mesoamerican-nephropathy
#8
Alejandro Riefkohl, Oriana Ramírez-Rubio, Rebecca L Laws, Michael D McClean, Daniel E Weiner, James S Kaufman, Renee L Galloway, Sean V Shadomy, Marta Guerra, Juan José Amador, José Marcel Sánchez, Damaris López-Pilarte, Chirag R Parikh, Jessica H Leibler, Daniel R Brooks
BACKGROUND: Leptospirosis is postulated as a possible cause of Mesoamerican Nephropathy (MeN) in Central American workers. OBJECTIVES: Investigate job-specific Leptospira seroprevalence and its association with kidney disease biomarkers. METHODS: In 282 sugarcane workers, 47 sugarcane applicants and 160 workers in other industries, we measured anti-leptospiral antibodies, serum creatinine, and urinary injury biomarkers, including neutrophil gelatinase-associated lipocalin (NGAL), interleukin-18 (IL-18), and N-acetyl-D-glucosaminidase (NAG)...
February 17, 2017: International Journal of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28208010/circulating-plasma-and-exosomal-micrornas-as-indicators-of-drug-induced-organ-injury-in-rodent-models
#9
Young-Eun Cho, Sang-Hyun Kim, Byung-Heon Lee, Moon-Chang Baek
This study was performed to evaluate whether microRNAs (miRNAs) in circulating exosomes may serve as biomarkers of drug-induced liver, kidney, or muscle-injury. Quantitative PCR analyses were performed to measure the amounts of liver-specific miRNAs (miR-122, miR-192, and miR-155), kidney-specific miR-146a, or muscle-specific miR-206 in plasma and exosomes from mice treated with liver, kidney or muscle toxicants. The levels of liver-specific miRNAs in circulating plasma and exosomes were elevated in acetaminophen-induced liver injury and returned to basal levels by treatment with antioxidant N-acetyl-cysteine...
February 17, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28202367/exosomes-therapy-delivery-tools-and-biomarkers-of-diseases
#10
REVIEW
Lucio Barile, Giuseppe Vassalli
Virtually all cells in the organism secrete extracellular vesicles (EVs), a heterogeneous population of lipid bilayer membrane-enclosed vesicles that transport and deliver payloads of proteins and nucleic acids to recipient cells, thus playing central roles in cell-cell communications. Exosomes, nanosized EVs of endosomal origin, regulate many pathophysiological processes including immune responses and inflammation, tumour growth, and infection. Healthy subjects and patients with different diseases release exosomes with different RNA and protein contents into the circulation, which can be measured as biomarkers...
February 12, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28202365/optimising-the-use-of-medicines-to-reduce-acute-kidney-injury-in-children-and-babies
#11
REVIEW
L Oni, D B Hawcutt, M A Turner, M W Beresford, S McWilliam, C Barton, B K Park, P Murray, B Wilm, I Copple, R Floyd, M Peak, A Sharma, D J Antoine
The majority of medications in children are administered in an unlicensed or off-label manner. Paediatricians are obliged to prescribe using the limited evidence available. The 2007 EU regulation on the use of paediatric drugs means pharmaceutical companies are now obliged to (and receive incentives for) contributing to paediatric drug data and carrying out paediatric clinical trials. This is important, as the efficacy and adverse effect profiles of medicines vary across childhood. Additionally, there are significant age-related changes in the pharmacodynamic and pharmacokinetic activity of many drugs...
February 12, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28202165/ghetting-to-know-adpkd-proliferative-signaling-stat
#12
Ching-Hsien Chen, Robert H Weiss
Due to their common pathogenesis and parallel proliferative signaling pathways, the cystic diseases have been recently studied in the context of cancer biology. The present study continues this paradigm by identifying signal transducer and activator of transcription (STAT5) and growth hormone (GH) as potentially modifiable pathways in polycystic kidney disease. GH, which is a potent activator of STAT5, has the additional possibility of being a biomarker, as well as providing a potential mechanism of action of somatostatin analogs in clinical trials...
March 2017: Kidney International
https://www.readbyqxmd.com/read/28201996/urinary-sediment-mirnas-reflect-tubulointerstitial-damage-and-therapeutic-response-in-iga-nephropathy
#13
Shuang Liang, Guang-Yan Cai, Zhi-Yu Duan, Shu-Wen Liu, Jie Wu, Yang Lv, Kai Hou, Zuo-Xiang Li, Xue-Guang Zhang, Xiang-Mei Chen
BACKGROUND: Immunoglobulin A nephropathy (IgAN) is the most common glomerulonephritis worldwide. The clinical spectrum of IgAN varies from minor urinary abnormalities to rapidly progressive renal failure. Evaluation of the disease by repeated renal biopsy is not practical due to its invasive procedure. Urinary sediment miRNAs promise to serve as non-invasive biomarkers to assess kidney injury of IgAN. METHODS: Fifty two biopsy-proven IgAN patients and twenty five healthy controls were enrolled in the study...
February 15, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28198206/nitraria-retusa-fruit-prevents-penconazole-induced-kidney-injury-in-adult-rats-through-modulation-of-oxidative-stress-and-histopathological-changes
#14
Mariem Chaâbane, Mohamed Koubaa, Nejla Soudani, Awatef Elwej, Malek Grati, Kamel Jamoussi, Tahia Boudawara, Semia Ellouze Chaabouni, Najiba Zeghal
CONTEXT: Nitraria retusa (Forssk.) Asch. (Nitrariaceae) is a medicinal plant which produces edible fruits whose antioxidant activity has been demonstrated. OBJECTIVE: The current study elucidates the potential protective effect of N. retusa fruit aqueous extract against nephrotoxicity induced by penconazole, a triazole fungicide, in the kidney of adult rats. MATERIALS AND METHODS: Adult Wistar rats were exposed either to penconazole (67 mg/kg body weight), or to N...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28193589/head-kidney-liver-and-skin-histopathology-and-gene-expression-in-gilthead-seabream-sparus-aurata-l-exposed-to-highly-polluted-marine-sediments-from-portman-bay-spain
#15
Said Ben Hamed, Francisco Guardiola, Alberto Cuesta, Salvadora Martínez, María José Martínez-Sánchez, Carmen Pérez-Sirvent, María Ángeles Esteban
Biomarkers have become crucial tools in modern environmental assessment as they can help to predict magnitude of pollution. The head-kidney (HK) and liver (hematopoietic and xenobiotic metabolism organs, respectively) are the key organs in all fish toxicological studies, although the skin has received less attention in this respect. The impact of two different types of polluted sediment collected from Portman Bay (Spain) on HK, liver and skin gene expression in gilthead seabream (Sparus aurata L.) exposed for two weeks to the sediments was determined by real time-PCR...
February 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28193484/clearance-of-cardiac-troponin-t-with-and-without-kidney-function
#16
Vincent Fridén, Karin Starnberg, Aida Muslimovic, Sven-Erik Ricksten, Christian Bjurman, Niklas Forsgard, Anna Wickman, Ola Hammarsten
OBJECTIVE: The extent of kidney-dependent clearance of the cardiac damage biomarker cardiac troponin T (cTnT) is not known. METHODS AND RESULTS: We examined clearance of cTnT after injection of heart extracts in rats with or without clamped kidney vessels. The extent of degradation of cTnT to fragments able to pass the glomerular membrane and the kidney extraction index of cTnT was examined in human subjects. After a bolus injection of rat cardiac extract, simulating a large myocardial infarction, there was no significant difference in clearance of cTnT with or without kidney function...
February 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28192884/myoinositol-ameliorates-high-fat-diet-and-streptozotocin-induced-diabetes-in-rats-through-promoting-insulin-receptor-signaling
#17
Poovathumkal James Antony, Gopalsamy Rajiv Gandhi, Antony Stalin, Kedike Balakrishna, Erenius Toppo, Kuppusamy Sivasankaran, Savarimuthu Ignacimuthu, Naif Abdullah Al-Dhabi
Mimosa pudica Linn. (Mimosaceae) has been traditionally used for the management of type 2 diabetes mellitus (T2DM) in India. The present study evaluates the therapeutic efficacy of myoinositol (25 and 50mg/kg) isolated from M. pudica stem methanol extract in Triton WR-1339 induced hyperlipidemic and high-fat diet (HFD) fed-streptozotocin (STZ)-induced insulin-resistant diabetic rats. Lipid biomarkers, fasting blood glucose (FBG), changes in body weight, food and water intakes, plasma insulin, HOMA-IR, oral glucose tolerance, intraperitoneal insulin tolerance, urea, creatinine, marker enzymes of liver function, β-cell function and the expression levels of insulin receptor-induced signaling molecules were studied...
February 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28192622/the-safety-and-efficacy-of-baclofen-to-reduce-alcohol-use-in-veterans-with-chronic-hepatitis-c-a-randomized-clinical-trial
#18
Peter Hauser, Bret Fuller, Samuel B Ho, Paul Thuras, Shira Kern, Eric Dieperink
BACKGROUND AND AIMS: Alcohol use disorders (AUDs) are common among people with chronic hepatitis C (HCV) and accelerate the development of fibrosis and cirrhosis caused by HCV. Baclofen, a gamma-aminobutyric acid (GABA) beta-receptor agonist, differs from medications for AUDs currently approved by the United States (US) Federal Drug Administration (FDA) as it is metabolized primarily through the kidneys. The primary outcome of this study was to compare baclofen with a placebo in the percentage of days abstinent from alcohol...
February 13, 2017: Addiction
https://www.readbyqxmd.com/read/28192277/cdkn2a-p16ink4-a-expression-is-associated-with-vascular-progeria-in-chronic-kidney-disease
#19
Peter Stenvinkel, Karin Luttropp, Dagmara McGuinness, Anna Witasp, Abdul Rashid Qureshi, Annika Wernerson, Louise Nordfors, Martin Schalling, Jonaz Ripsweden, Lars Wennberg, Magnus Söderberg, Peter Bárány, Hannes Olauson, Paul G Shiels
Patients with chronic kidney disease (CKD) display a progeric vascular phenotype linked to apoptosis, cellular senescence and osteogenic transformation. This has proven intractable to modelling appropriately in model organisms. We have therefore investigated this directly in man, using for the first time validated cellular biomarkers of ageing (CDKN2A/p16(INK4a), SA-β-Gal) in arterial biopsies from 61 CKD patients undergoing living donor renal transplantation. We demonstrate that in the uremic milieu, increased arterial expression of CDKN2A/p16(INK4a) associated with vascular progeria in CKD, independently of chronological age...
February 9, 2017: Aging
https://www.readbyqxmd.com/read/28191531/urine-biomarkers-in-renal-allograft
#20
Hongting Wang, Zuan-Tao Lin, Yulin Yuan, Tianfu Wu
There is a high risk for the survival of patients with an end-stage renal disease for kidney transplantation. To avoid rejection by strict medication adherence is of utmost importance to avoid the failure of a kidney transplant. It is imperative to develop non-invasive biomarkers to assess immunity risk, and to ultimately provide guidance for therapeutic decision-making following kidney transplantation. Urine biomarkers may represent the promising non-invasive tools that will help in predicting risk or success rates of kidney transplantations...
September 1, 2016: Journal of Translational Internal Medicine
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