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https://www.readbyqxmd.com/read/28930914/the-protective-effect-of-a-short-peptide-derived-from-cold-inducible-rna-binding-protein-in-renal-ischemia-reperfusion-injury
#1
Joseph McGinn, Fangming Zhang, Monowar Aziz, Weng-Lang Yang, Jeffrey Nicastro, Gene F Coppa, Ping Wang
Extracellular cold-inducible RNA-binding protein (CIRP) functions as damage-associated molecular pattern (DAMP) and has been demonstrated to be responsible in part for the damage occurring after renal ischemia-reperfusion (I/R). A short peptide derived from CIRP, named C23, binds to myeloid differentiation factor 2 (MD2), a Toll-like receptor 4 (TLR4) co-receptor. We hypothesize that C23 reduces renal ischemia-reperfusion (RIR) injury by blocking CIRP. We observed that pre-treatment with C23 significantly decreased the levels of recombinant mouse CIRP-induced TNF-α in a dose-dependent fashion in cultured macrophages...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28904298/usefulness-of-urinary-biomarkers-for-nephrotoxicity-in-cynomolgus-monkeys-treated-with-gentamicin-cisplatin-and-puromycin-aminonucleoside
#2
Hiroshi Uchino, Junko Fujishima, Kaori Fukuoka, Teppei Iwakiri, Akira Kamikuri, Hidenori Maeda, Kazuhiro Nakama
The objective of this study was to investigate the availability of novel urinary biomarkers (BMs) such as total protein, albumin, β2-microglobulin, clusterin, cystatin C, neutrophil gelatinase-associated lipocalin (NGAL) for the detection of acute nephrotoxicity in cynomolgus monkeys. Animals (total 9 males/3 groups) were administered gentamicin (GM) subcutaneously at 40 mg/kg for 7 days, cisplatin (CDDP) intravenously at 3 mg/kg once and puromycin aminonucleoside (PAN) intravenously at 20 mg/kg for 7 days...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28904297/sex-differences-in-the-excretion-levels-of-traditional-and-novel-urinary-biomarkers-of-nephrotoxicity-in-rats
#3
Satoshi Tsuji, Masayuki Sugiura, Shunsuke Tsutsumi, Hisaharu Yamada
Urinary biomarkers have been used widely in preclinical toxicity studies to detect dysfunctions and injuries of the kidney caused by drugs under development. While they have been well studied for evaluating nephrotoxicity, knowledge of sex differences in excretion levels of urinary biomarkers remains inadequate. We conducted experiments focused on effects of endogenous sex hormones on urinary biomarkers using intact and castrated male and female rats. Comparisons of the urinary biomarker excretion levels between intact male and female rats at 5, 7, 9 and 12 weeks of age revealed higher excretion levels of leucine aminopeptidase (LAP), γ-glutamyl transpeptidase (γGTP), total protein, liver-type fatty acid-binding protein (L-FABP), cystatin C (Cys-C) and β2-microglobulin (β2-MG), and lower excretion level of kidney injury molecule 1 (Kim-1), in male rats as compared to female rats...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28884306/probiotic-soy-milk-consumption-and-renal-function-among-type-2-diabetic-patients-with-nephropathy-a-randomized-controlled-clinical-trial
#4
Maryam Miraghajani, Nafiseh Zaghian, Abolfazl Dehkohneh, Maryam Mirlohi, Reza Ghiasvand
Diabetic nephropathy (DN) is one the most important complications of diabetes leading to end-stage renal disease. Dietary approaches have been considered to control of the kidney function deterioration among these patients. The aim of the present study was to determine the effects of fortified soy milk with Lactobacillus plantarum A7 on renal function biomarkers in type 2 DN patients. Forty-eight DN subjects were attended to this parallel randomized trial study. Participants were randomly assigned to consume a diet containing 200 mL/day probiotic soy milk in intervention group or soy milk in the control condition for 8 weeks...
September 8, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/28883853/cardiac-surgery-related-cardio-renal-syndrome-assessed-by-conventional-and-novel-biomarkers-under-or-overestimated-diagnosis
#5
Jowita Biernawska, Joanna Bober, Katarzyna Kotfis, Anna Bogacka, Edyta Barnik, Maciej Żukowski
INTRODUCTION: Serum creatinine is a 'gold standard' criterion of recognizing and staging of acute kidney injury (AKI) despite it being a suboptimal, delayed indicator. The interpretation of increased values of biomarkers imposes great difficulty regarding cardiac surgery procedures performed with cardiopulmonary bypass and may lead to under- or overestimated diagnosis. The aim of this study was to evaluate the clinical utility of the sole serum creatinine or urine neutrophil gelatinase-associated lipocalin (NGAL) concentration used for identification of patients with AKI after cardiac surgery...
August 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28880755/potential-correlation-of-wound-bed-score-and-biomarkers-in-chronic-lower-leg-wounds-an-exploratory-study
#6
V Dini, F Papadia, F Di Francesco, P Salvo, A Paolicchi, A Janowska, A Chiricozzi, T Oranges
OBJECTIVE: The wound bed score is a validated tool to monitor wound healing in chronic wounds, and depends on visual examination by trained personnel. This study describes the feasibility of adding some biochemical and immunohistochemical parameters to increase the objectivity and specificity of the wound bed score Method: Patients with chronic wounds on the lower leg with different durations were enrolled to assess the correlation between the wound bed score and specific wound-related biomarkers, namely MMP-9, MMP-2, NGAL, albumin, integrin α2/β1, and other histochemical (CD68, PK1, CD32, fractalkine, periostin) and immunocytochemical markers from biopsies and smears taken from wound edges and bed...
September 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28874655/serum-neutrophil-gelatinase-associated-lipocalin-and-urinary-kidney-injury-molecule-1-as-potential-biomarkers-of-subclinical-nephrotoxicity-after-gadolinium-based-and-iodinated-based-contrast-media-exposure-in-pediatric-patients-with-normal-kidney-function
#7
Brankica Spasojević-Dimitrijeva, Jelena Kotur-Stevuljević, Milan Đukić, Dušan Paripović, Gordana Miloševski-Lomić, Vesna Spasojević-Kalimanovska, Polina Pavićević, Jadranka Mitrović, Mirjana Kostić
BACKGROUND New renal biomarkers such as neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) show promise in early diagnosis of contrast media induced acute kidney injury (CI-AKI). The purpose of our study was to compare the subclinical nephrotoxicity (a condition without changes in standard renal biomarkers) of gadolinium-based contrast media (Gd-DTPA, gadopentetate dimeglumine) and iodinated-based contrast media (iopromide) in pediatric patients with normal kidney function...
September 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28870959/differences-in-urinary-renal-failure-biomarkers-in-cancer-patients-initially-treated-with-cisplatin
#8
Akimitsu Maeda, Hitoshi Ando, Takashi Ura, Kei Muro, Masahiro Aoki, Ken Saito, Eisaku Kondo, Shinji Takahashi, Yuko Ito, Yasunari Mizuno, Akio Fujimura
BACKGROUND/AIM: We investigated whether measuring the excretion of each acute kidney injury (AKI) biomarker after cisplatin (CDDP) administration is useful for predicting AKI and evaluated the most appropriate AKI marker in patients treated with CDDP. PATIENTS AND METHODS: We measured NAG, Kim-1, and NGAL in urinary samples of 40 cancer patients treated with chemotherapy on day 1 (before chemotherapy), day 2, and day 5 after treatment; serum creatinine (sCr) was compared on days 7 and 28 after CDDP administration vs...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28856229/analytical-validation-of-gentian-ngal-particle-enhanced-enhanced-turbidimetric-immunoassay-petia
#9
Gian Luca Salvagno, Anna Ferrari, Matteo Gelati, Giorgio Brocco, Giuseppe Lippi
OBJECTIVES: This study was designed to validate the analytical performance of the new Gentian particle-enhanced enhanced turbidimetric immunoassay (PETIA) for measuring neutrophil gelatinase-associated lipocalin (NGAL) in serum samples. DESIGN AND METHODS: Analytical validation of the Gentian NGAL assay was carried out on a Roche Cobas c501 and was based on assessment of limit of blank (LOB), limit of detection (LOD), functional sensitivity, imprecision, linearity and concordance with the BioPorto NGAL test...
August 2017: Pract Lab Med
https://www.readbyqxmd.com/read/28855632/resolution-agonist-15-epi-lipoxin-a4-programs-early-activation-of-resolving-phase-in-post-myocardial-infarction-healing
#10
Vasundhara Kain, Fei Liu, Veronika Kozlovskaya, Kevin A Ingle, Subhashini Bolisetty, Anupam Agarwal, Santosh Khedkar, Sumanth D Prabhu, Eugenia Kharlampieva, Ganesh V Halade
Following myocardial infarction (MI), overactive inflammation remodels the left ventricle (LV) leading to heart failure coinciding with reduced levels of 15-epi-Lipoxin A4 (15-epi LXA4). However, the role of 15-epi LXA4 in post-MI acute inflammatory response and resolving phase is unclear. We hypothesize that liposomal fusion of 15-epi-LXA4 (Lipo-15-epi-LXA4) or free 15-epi-LXA4 will expedite the resolving phase in post-MI inflammation. 8 to 12-week-old male C57BL/6 mice were subjected to permanent coronary artery ligation...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28854431/involvement-of-s100a8-a9-tlr4-nlrp3-inflammasome-pathway-in-contrast-induced-acute-kidney-injury
#11
Xuexian Tan, Xiaohe Zheng, Zena Huang, Jiaqiong Lin, Chuli Xie, Yan Lin
BACKGROUND: Contrast-induced acute kidney injury (CIAKI) is a common cause of hospital-acquired acute kidney injury (AKI). S100A8/A9-TLR4-NLRP3 inflammasome pathway triggers inflammation, apoptosis and tissue injury in several AKI models. Nevertheless, the underlying mechanism of S100A8/A9-TLR4-NLRP3 inflammasome pathway in CIKAI is not clear. We aimed to investigate the possible role of S100A8/A9-TLR4-NLRP3 inflammasome in the pathophysiology of CIAKI. METHODS: We treated male rats and NRK-52E cells by iopromide to establish in vivo and in vitro models of CIAKI...
August 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28844586/performance-of-serum-creatinine-and-kidney-injury-biomarkers-for-diagnosing-histologic-acute-tubular-injury
#12
Dennis G Moledina, Isaac E Hall, Heather Thiessen-Philbrook, Peter P Reese, Francis L Weng, Bernd Schröppel, Mona D Doshi, F Perry Wilson, Steven G Coca, Chirag R Parikh
BACKGROUND: The diagnosis of acute kidney injury (AKI), which is currently defined as an increase in serum creatinine (Scr) concentration, provides little information on the condition's actual cause. To improve phenotyping of AKI, many urinary biomarkers of tubular injury are being investigated. Because AKI cases are not frequently biopsied, the diagnostic accuracy of concentrations of Scr and urinary biomarkers for histologic acute tubular injury is unknown. STUDY DESIGN: Cross-sectional analysis from multicenter prospective cohort...
August 23, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28843662/the-effect-of-early-renal-replacement-therapy-guided-by-plasma-neutrophil-gelatinase-associated-lipocalin-on-outcome-of-acute-kidney-injury-a-feasibility-study
#13
Nattachai Srisawat, Passisd Laoveeravat, Ploynapas Limphunudom, Nuttha Lumlertgul, Sadudee Peerapornratana, Khajohn Tiranathanagul, Paweena Susantitaphong, Kearkiat Praditpornsilpa, Kriang Tungsanga, Somchai Eiam-Ong
PURPOSE: The optimal time and the parameter utilized for decision to initiate renal replacement therapy (RRT) in acute kidney injury (AKI) are still controversial. Recently, high levels of plasma NGAL (pNGAL) has been strongly correlated with poor AKI outcome. This is a feasibility study conducted to test whether early RRT initiation guided by pNGAL could improve AKI outcome. MATERIAL AND METHODS: The study comprised of triage trial and interventional trial running subsequently...
August 18, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28831294/ameliorative-effect-of-daidzein-on-cisplatin-induced-nephrotoxicity-in-mice-via-modulation-of-inflammation-oxidative-stress-and-cell-death
#14
Hongzhou Meng, Guanghou Fu, Jie Shen, Kezhen Shen, Zhijie Xu, Yiming Wang, Baiye Jin, Hao Pan
Oxidative stress and inflammation are part and parcel of cisplatin-induced nephrotoxicity. The purpose of this work is to study the role of soy isoflavone constituent, daidzein, in cisplatin-induced renal damage. Cisplatin-induced nephrotoxicity was evident by the histological damage in proximal tubular cells and by the increase in serum neutrophil gelatinase-associated lipocalin (NGAL), blood urea nitrogen (BUN), creatinine, and urinary kidney injury molecule-1 (KIM-1). Cisplatin-induced cell death was shown by TUNEL staining and caspase-3/7 activity...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28828020/nephroprotective-effects-of-l-carnitine-against-contrast-induced-nephropathy-in-patients-undergoing-percutaneous-coronary-intervention-a-randomized-open-labeled-clinical-trial
#15
Mohammad Mohammadi, Azita Hajhossein Talasaz, Mohammad Alidoosti, Hamid Reza Pour Hosseini, Kheirollah Gholami, Arash Jalali, Hamid Aryannejad
Background: L-carnitine may prevent the incidence of AKI by its antioxidant effects and improving circulation in ischemic conditions. The goal of this trial was to evaluate the impact of L-carnitine on contrast-induced nephropathy in patients undergoing elective PCI. Methods: Totally, the patients were randomly allocated to 2 groups. The treatment group received 1 g of L-carnitine orally 3 times a day, 24 hours before the procedure (3 g before PCI) and 2 g after PCI, whereas the control group did not receive L-carnitine...
April 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/28822965/diabetes-increases-the-susceptibility-to-acute-kidney-injury-after-myocardial-infarction-through-augmented-activation-of-renal-toll-like-receptors-in-rats
#16
Kouhei Ohno, Atsushi Kuno, Hiromichi Murase, Shingo Muratsubaki, Takayuki Miki, Masaya Tanno, Toshiyuki Yano, Satoko Ishikawa, Tomohisa Yamashita, Tetsuji Miura
Acute kidney injury (AKI) after acute myocardial infarction (MI) worsens the prognosis of MI patients. Although type 2 diabetes mellitus (DM) is a major risk factor of AKI after MI, the underlying mechanism remains unclear. Here, we examined roles of renal toll-like receptors (TLRs) in the impact of DM on AKI after MI. MI was induced by coronary artery ligation in OLETF, a rat DM model, and LETO, non-diabetic controls. Sham-operated rats served as no-MI controls. Renal mRNA levels of TLR2 and MyD88 were significantly higher in sham-operated OLETF than in sham-operated LETO, though levels of TLR1, TLR3, and TRL4 were similar...
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28821274/candidate-inflammatory-biomarkers-display-unique-relationships-with-alpha-synuclein-and-correlate-with-measures-of-disease-severity-in-subjects-with-parkinson-s-disease
#17
Lori N Eidson, George T Kannarkat, Christopher J Barnum, Jianjun Chang, Jaegwon Chung, Chelsea Caspell-Garcia, Peggy Taylor, Brit Mollenhauer, Michael G Schlossmacher, Larry Ereshefsky, Mark Yen, Catherine Kopil, Mark Frasier, Kenneth Marek, Vicki S Hertzberg, Malú G Tansey
BACKGROUND: Efforts to identify fluid biomarkers of Parkinson's disease (PD) have intensified in the last decade. As the role of inflammation in PD pathophysiology becomes increasingly recognized, investigators aim to define inflammatory signatures to help elucidate underlying mechanisms of disease pathogenesis and aid in identification of patients with inflammatory endophenotypes that could benefit from immunomodulatory interventions. However, discordant results in the literature and a lack of information regarding the stability of inflammatory factors over a 24-h period have hampered progress...
August 18, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28813470/comparison-of-macrophage-migration-inhibitory-factor-and-neutrophil-gelatinase-associated-lipocalin-2-to-predict-acute-kidney-injury-after-liver-transplantation-an-observational-pilot-study
#18
Joanna Baron-Stefaniak, Judith Schiefer, Edmund J Miller, Gabriela A Berlakovich, David M Baron, Peter Faybik
INTRODUCTION: Several biomarkers have been suggested as early predictors of acute kidney injury (AKI) after orthotopic liver transplantation (OLT). Neutrophil gelatinase-associated lipocalin-2 (NGAL) appears to be a promising predictor of AKI after OLT, but the clinical benefit remains to be proven. Recently, systemic macrophage migration inhibitory factor (MIF) has been proposed as early indicator for requirement of renal replacement therapy after OLT. The aim of this prospective, observational pilot study was to compare the predictive values of serum and urinary MIF for severe AKI after OLT to those of serum and urinary NGAL...
2017: PloS One
https://www.readbyqxmd.com/read/28808872/analysis-of-blood-markers-for-early-breast-cancer-diagnosis
#19
J Bayo, M A Castaño, F Rivera, F Navarro
PURPOSE: Breast cancer is the most common neoplasm in women and has the highest associated mortality rate. Rapid detection programmes can provide early diagnosis and increase the chances of survival. There are no specific tumor biomarkers for the early phase of the disease. The primary aim of this study was to search a blood biomarker with levels that exceeded the normal range established in the general population that could be used to screen breast cancer. METHODS/PATIENTS: Case-control study...
August 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28808364/the-effect-of-furosemide-on-the-level-of-neutrophil-gelatinase-associated-lipocalin-in-critically-hospitalized-patients-with-acute-kidney-injury
#20
Hadi Hamishehkar, Sarvin Sanaie, Vahid Fattahi, Mehran Mesgari, Ata Mahmoodpoor
BACKGROUND AND AIMS: Oliguric acute kidney injury (AKI), commonly attributed to a more severe degree of renal injury, is associated with poorer prognosis than nonoliguric form. The aim of this study was to determine the effect of furosemide therapy on kidney function and on the level of neutrophil gelatinase-associated lipocalin (NGAL) in critically hospitalized patients in the Intensive Care Unit (ICU). MATERIALS AND METHODS: In this randomized controlled trial, 106 ICU patients with AKI were assigned into furosemide and control groups...
July 2017: Indian Journal of Critical Care Medicine
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