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Caixia Yin, Ningning Wang
Kidney injury molecule-1(KIM-1) is a type I membrane protein, comprising an extracellular portion and a cytoplasmic portion, which is expressed at very low levels in the normal kidney. The extracellular portion can cleave and rapidly enter tubule lumens after kidney injury, and can then be detected in the urine. It has been confirmed that the urine KIM-1 level is closely related to tissue KIM-1 level and correlated with kidney tissue damage. Not only is KIM-1 proven to be an early biomarker of acute kidney injury but it also has a potential role in predicting long-term renal outcome...
October 19, 2016: Renal Failure
Smeeta Sadar, Dipti Kaspate, Neeraj Vyawahare
Diabetic nephropathy is a serious microvascular complication and one of the main causes of end-stage renal disease. L-Glutamine (LG) is naturally occurring amino acids with antidiabetic and antioxidant potential. The aim of present investigation was to evaluate the potential of LG against streptozotocin (STZ)-induced diabetic nephropathy (DN) in laboratory rats. DN was induced in male Wistar rats (200-220 g) by intraperitoneal administration of STZ (55 mg/kg). Animals were treated orally with either distilled water (10 mg/kg) or LG (250, 500, and 1000 mg/kg) or Sitagliptin (5 mg/kg)...
October 19, 2016: Renal Failure
Luca Villa, Roberta Buono, Mara Ferrandi, Isabella Molinari, Fabio Benigni, Arianna Bettiga, Giorgia Colciago, Masami Ikehata, Elisabetta Messaggio, Maria Pia Rastaldi, Francesco Montorsi, Andrea Salonia, Paolo Manunta
Warm renal ischemia performed during partial nephrectomy has been found to be associated with kidney disease. Since endogenous ouabain (EO) is a neuro-endocrine hormone involved in renal damage, we evaluated the role of EO in renal ischemia-reperfusion injury (IRI). We measured plasma and renal EO variations and markers of glomerular and tubular damage (nephrin, KIM-1, Kidney-Injury-Molecule-1, α1 Na-K ATPase) and the protective effect of the ouabain inhibitor, rostafuroxin. We studied five groups of rats: (1) normal; (2) infused for eight weeks with ouabain (30 µg/kg/day, OHR) or (3) saline; (4) ouabain; or (5) saline-infused rats orally treated with 100 µg/kg/day rostafuroxin for four weeks...
October 14, 2016: International Journal of Molecular Sciences
Farahnak Assadi, Fatemeh Ghane Sharbaf
OBJECTIVES: Serum creatinine (SCr) is a late marker of acute kidney injury (AKI) due to the lag time between initiating injury and loss of function. We assessed the ability of urinary interleukin-18 (IL-18), kidney injury molecule-1 (KIM-1), and neutrophil gelatinase-associated lipocalin (NGAL) to predict AKI in critically ill children with circulatory collapse. METHODS: Serum creatinine, estimated creatinine clearance (eCrCL), urine IL-18, KIM-1, and NGAL values were measured in 86 children with circulatory collapse on the day of admission, and the results were compared with those obtained 6 days later...
October 6, 2016: Pediatric Emergency Care
Jie Liu, Yuan-Fu Lu, Wen-Kai Li, Zheng-Ping Zhou, Ying-Ying Li, Xi Yang, Cen Li, Yu-Zhi Du, Li-Xin Wei
Mercury sulfides (α-HgS, β-HgS) are frequently included in traditional medicines. Mercury is known for nephrotoxicity, their safety is of concern. To address this question, mice were orally administrated with Zuotai (54% β-HgS, 30mg/kg), α-HgS (HgS, 30mg/kg), HgCl2 (33.6mg/kg), or MeHgCl (3.1mg/kg) for 7 days, and nephrotoxicity was examined. Animal body weights were decreased by HgCl2 and to a lesser extent by MeHg, but unaltered after Zuotai and HgS. HgCl2 and MeHg produced renal tubular vacuolation, interstitial inflammation and cell degeneration with protein cysts in the tubular lumen, while these pathological lesions were mild in Zuotai and HgS-treated mice...
October 6, 2016: Toxicology Letters
George J Dugbartey, Luke J Peppone, Inge A M de Graaf
Cisplatin is currently one of the most widely-used chemotherapeutic agents against various malignancies. Its clinical application is limited, however, by inherent renal and cardiac toxicities and other side effects, of which the underlying mechanisms are only partly understood. Experimental studies show cisplatin generates reactive oxygen species, which impair the cell's antioxidant defense system, causing oxidative stress and potentiating injury, thereby culminating in kidney and heart failure. Understanding the molecular mechanisms of cisplatin-induced renal and cardiac toxicities may allow clinicians to prevent or treat this problem better and may also provide a model for investigating drug-induced organ toxicity in general...
October 4, 2016: Toxicology
Deepika Aggarwal, Diksha Gautam, Minu Sharma, S K Singla
Bergenin, isolated from Bergenia ligulata is a potent antioxidant and antilithiatic agent. Present work was designed to establish the biochemical role of bergenin on mitochondrial dysfunction in the ethylene glycol induced hyperoxaluric rat model. Bergenin was administrated at a dose of 10mg/kg body wt i.p. from 14th day of establishing the 28 days hyperoxaluria rat model. α-Tocopherol was given as positive control at a dose of 100mg/kg body wt i.p. Mitochondrial dysfunction was studied by evaluating the activities of respiratory chain complexes, mitochondrial membrane potential and reactive oxygen species...
October 5, 2016: European Journal of Pharmacology
M Kamianowska, M Szczepański, E E Kulikowska, B Bebko, A Wasilewska
OBJECTIVE: The aim of work was to establish the normal levels of serum and urinary kidney injury molecule-1 (sKIM-1 and uKIM-1) in healthy full-term newborns. STUDY DESIGN: The study included 88 healthy full-term neonates from normal, uncomplicated pregnancies. The serum and urinary concentrations of KIM-1 in the material obtained in the first or second day of life were determined with a commercially available enzyme-linked immunosorbent assay kits. In addition, uKIM-1 was normalized for urinary creatinine concentration...
September 29, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
Sarah A Hosgood, Michael L Nicholson
BACKGROUND: The measurement of urinary biomarkers during ex-vivo normothermic kidney perfusion (EVKP) may aid in the assessment of a kidney prior to transplantation. This study measured levels of neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1) and endothelin-1 (ET-1) during EVKP in a series of discarded human kidneys. METHODS: Fifty six kidneys from deceased donors were recruited into the study. Each kidney underwent 60 minutes of EVKP and was scored based on the macroscopic appearance, renal blood flow and urine output...
September 27, 2016: Transplantation
Bancha Satirapoj, Kasemsan Aramsaowapak, Theerasak Tangwonglert, Ouppatham Supasyndh
Background. Tubulointerstitial injury is both a key feature of diabetic nephropathy and an important predictor of renal dysfunction. Novel tubular biomarkers related to renal injury in diabetic nephropathy could improve risk stratification and prediction. Methods. A total of 303 type 2 diabetic patients were followed up. The baseline urine values of cystatin-C to creatinine ratio (UCCR), angiotensinogen to creatinine ratio (UANG), NGAL to creatinine ratio (UNGAL), and KIM-1 to creatinine ratio (UKIM-1) were measured...
2016: Journal of Diabetes Research
Lawrence J Thomas, Laura Vitale, Thomas O'Neill, Ree Y Dolnick, Paul K Wallace, Hans Minderman, Lauren E Gergel, Eric M Forsberg, James M Boyer, James R Storey, Catherine D Pilsmaker, Russell A Hammond, Jenifer Widger, Karuna Sundarapandiyan, Andrea Crocker, Henry C Marsh, Tibor Keler
T cell immunoglobulin and mucin domain 1 (TIM-1) is a type I transmembrane protein that was originally described as kidney injury molecule 1 (KIM-1) due to its elevated expression in kidney and urine after renal injury. TIM-1 expression is also upregulated in several human cancers, most notably in renal and ovarian carcinomas, but has very restricted expression in healthy tissues thus representing a promising target for antibody-mediated therapy. To this end we have developed a fully human monoclonal IgG1 antibody specific for the extracellular domain of TIM-1...
September 26, 2016: Molecular Cancer Therapeutics
Alexander R Opotowsky, Fernando R Baraona, Finnian R Mc Causland, Brittani Loukas, Elizabeth Landzberg, Michael J Landzberg, Venkata Sabbisetti, Sushrut S Waikar
OBJECTIVES: To define whether adults with a Fontan circulation, who have lifelong venous congestion and limited cardiac output, have impaired glomerular filtration rate (GFR) or elevated urinary biomarkers of kidney injury. METHODS: We measured circulating cystatin C and creatinine (n=70) and urinary creatinine, albumin, kidney injury molecule-1 (KIM-1), neutrophil gelatinase-associated lipocalin (NGAL) and N-acetyl glucosaminidase (NAG) (n=59) in ambulatory adult Fontan patients and 20 age-matched and sex-matched controls...
September 26, 2016: Heart: Official Journal of the British Cardiac Society
Pallagae Mangala C S De Silva, Khaja Shameem Mohammed Abdul, Eakanayake M D V Eakanayake, Sudheera Sammanthi Jayasinghe, Channa Jayasumana, Hewa Bandulage Asanthi, Hettiarachigae S D Perera, Gamage G Tushara Chaminda, Ediriweera P S Chandana, Sisira H Siribaddana
Chronic Kidney Disease of uncertain etiology (CKDu) is an emerging epidemic among farming communities in rural Sri Lanka. Victims do not exhibit common causative factors, however, histopathological studies revealed that CKDu is a tubulointerstitial disease. Urine albumin or albumin-creatinine ratio is still being used as a traditional diagnostic tool to identify CKDu, but accuracy and prevalence data generated are questionable. Urinary biomarkers have been used in similar nephropathy and are widely recognised for their sensitivity, specificity and accuracy in determining CKDu and early renal injury...
September 2016: PLoS Neglected Tropical Diseases
Mildred Zulu, Trevor Kaile, Timothy Kantenga, Chisanga Chileshe, Panji Nkhoma, Musalula Sinkala
INTRODUCTION: Kidney injury affects renal excretion of plasma analytes and metabolic waste products with grave pathologic consequences. Early detection, thus of kidney injury is essential for injury specific intervention that may avert permanent renal damage and delay progression of kidney injury. We aimed to evaluate Kidney Injury Molecule-1 (KIM-1) and Microalbuminuria (MAU), as biomarkers of kidney injury, in comparison with creatinine. METHODS: We compared the levels of urine MAU, urine KIM-1 and other plasma biochemical tests in specimens from 80 individuals with and without kidney disease...
2016: Pan African Medical Journal
Marlies E van Wolfswinkel, Liese C Koopmans, Dennis A Hesselink, Ewout J Hoorn, Rob Koelewijn, Jaap J van Hellemond, Perry J J van Genderen
BACKGROUND: Acute kidney injury (AKI) is a frequently encountered complication of imported Plasmodium falciparum infection. Markers of structural kidney damage have been found to detect AKI earlier than serum creatinine-based prediction models but have not yet been evaluated in imported malaria. This pilot study aims to explore the predictive performance of neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule-1 (KIM-1) for AKI in travellers with imported P. falciparum infection...
2016: Malaria Journal
Ali Güneş, Fesih Aktar, İlhan Tan, Murat Söker, Ünal Uluca, Hasan Balık, Nuriye Mete
The aim of this study was to investigate urine early kidney injury molecules, including human kidney injury molecule-1 (KIM-1), liver-type fatty-acid binding protein (L-FABP), N-acetyl-b-D-glucosaminidase A (NAG), and neutrophil gelatinase-associated lipocalin (NGAL) in children with vitamin B12 (cobalamin) deficiency (CD). Twelve children with vitamin B12 deficiency and 20 healthy matched controls were included. Hematologic parameters, serum urea, creatinine (Cr), electrolytes, B12 and folate levels were recorded...
October 1, 2016: Archivos Argentinos de Pediatría
Kenji Kokura, Yasushi Kuromi, Takeshi Endo, Naohiko Anzai, Yasuhiro Kazuki, Mitsuo Oshimura, Tetsuya Ohbayashi
BACKGROUND: Kidney injury molecule-1 (Kim-1) has been validated as a urinary biomarker for acute and chronic renal damage. The expression of Kim-1 mRNA is also activated by acute kidney injury induced by cisplatin in rodents and humans. To date, the measurement of Kim-1 expression has not fully allowed the detection of in vitro cisplatin nephrotoxicity in immortalized culture cells such as human kidney-2 cells and immortalized proximal tubular epithelial cells. METHODS: We measured the augmentation of Kim-1 mRNA expression after cisplatin addition using immortalized S3 cells established from the kidneys of transgenic mice harboring temperature-sensitive large T antigen from Simian virus 40...
September 3, 2016: Journal of Gene Medicine
Kevin J Downes, Min Dong, Tsuyoshi Fukuda, John P Clancy, Christopher Haffner, Michael R Bennett, Alexander A Vinks, Stuart L Goldstein
BACKGROUND: Tobramycin is frequently used for treatment of bronchopneumonia in patients with cystic fibrosis (CF). Variability in tobramycin clearance (CL) is high in this population with few reliable approaches to guide dosing. OBJECTIVES: We sought to evaluate the pharmacokinetics of once-daily intravenous tobramycin in patients with CF and test the influence of covariates on tobramycin CL, including serum creatinine (SCr) and urinary biomarkers: neutrophil gelatinase-associated lipocalin (NGAL), retinol-binding protein (RBP) and kidney injury molecule-1 (KIM-1)...
September 1, 2016: Journal of Antimicrobial Chemotherapy
Lennart Tonneijck, Mark M Smits, Marcel H A Muskiet, Trynke Hoekstra, Mark H H Kramer, A H Jan Danser, Piet M Ter Wee, Michaela Diamant, Jaap A Joles, Daniël H van Raalte
OBJECTIVE: To investigate effects of dipeptidyl peptidase-4 inhibitor (DPP-4I) sitagliptin or glucagon-like peptide 1 (GLP-1) receptor agonist liraglutide treatment on renal hemodynamics, tubular functions, and markers of renal damage in overweight patients with type 2 diabetes without chronic kidney disease (CKD). RESEARCH DESIGN AND METHODS: In this 12-week, randomized, double-blind trial, 55 insulin-naïve patients with type 2 diabetes (mean ± SEM: age 63 ± 7 years, BMI 31...
September 1, 2016: Diabetes Care
Badr Abdullah Aldahmash, Doaa Mohamed El-Nagar, Khalid Elfakki Ibrahim
BACKGROUND: Kidney is a vital organ which plays an important and irreplaceable role in detoxification and removal of xenobiotics. And therefore is vulnerable to develop various forms of injuries. Hence, making it immensely important to search for natural reno-protective compounds. OBJECTIVES: This study therefore, aims to evaluate the reno-protective properties of propolis against gentamicin induced renal toxicity in mice. METHODS: Three groups of 10 male mice each were used for this study...
August 26, 2016: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
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