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Kidney oxidative stress

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https://www.readbyqxmd.com/read/29145131/removal-of-the-precursors-of-n-nitrosodiethylamine-ndea-an-emerging-disinfection-byproduct-in-drinking-water-treatment-process-and-its-toxicity-to-adult-zebrafish-danio-rerio
#1
Jian Zheng, Tao Lin, Wei Chen
N-nitrosodiethylamine (NDEA) is one of the emerging nitrogenous disinfection byproducts with probable cytotoxicity, genotoxicity, and carcinogenesis. Its potential toxicological effects have received extensive attention but remain to be poorly understood. In this study, changes in NDEA precursors in drinking water treatment process were studied using the trial of its formation potential (FP), and the toxicity induced by NDEA to adult zebrafish was investigated. NDEA FP in the raw water of Taihu Lake ranged from 46...
October 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/29144788/panchakola-reduces-oxidative-stress-in-mcf-7-breast-cancer-and-hek293-cells
#2
Tooba Naz Shamsi, Romana Parveen, Sadaf Fatima
A large number of studies have proven the efficacy of ayurveda in the field of health and wellness. Panchakola, an ayurvedic formulation, is a general health tonic primarily used to cure fever, inflammation, pain, indigestion, and so on. We investigated effects of panchakola on oxidative stress in MCF-7 breast cancer and human embryonic kidney 293 (HEK293) cells. This work was performed to assess the antineoplastic and free radical-scavenging potential of aqueous extract of panchakola, a polyherbal formulation, in normal and breast cancer cell lines (i...
November 16, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29142432/inhibition-of-glycation-induced-cytotoxicity-protein-glycation-and-activity-of-proteolytic-enzymes-by-extract-from-perovskia-atriplicifolia-roots
#3
Mehran Miroliaei, Akram Aminjafari, Sylwester Ślusarczyk, Izabela Nawrot-Hadzik, Mehdi Rahimmalek, Adam Matkowski
Background: Protein glycation and glycotoxicity belong to the main oxidative-stress related complications in diabetes. Perovskia species are used in Asian folk medicine as antidiabetic herbs. Objective: The aim of this study was to verify the ability of the methanolic extract from Perovskia atriplicifolia Benth. roots to diminish glycation of albumin and to prevent cell damage in vitro. Furthermore, we tested the extract for in vitro antioxidant activity and inhibition of elastase and collagenase...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142172/change-in-redox-state-and-heat-shock-protein-expression-in-an-indian-major-carp-cirrhinus-cirrhosus-exposed-to-zinc-and-lead
#4
Mahammed Moniruzzaman, Puja Midday, Anindita Dhara, Debjit Das, Indranath Ghosal, Debosree Mukherjee, Suman Bhusan Chakraborty
Fish are exposed to different heavy metals that may induce numerous physiological changes. In the present study, we examined the redox state in response to a severe stress resulting from two heavy metals (Zinc and Lead) contamination in carp Cirrhinus cirrhosus. Fish were exposed to 1/10th of LC50 of the respective metals [zinc chloride (2.72 mg/L) and lead acetate (2.53 mg/L)] for 30 days and allowed to recover for another 30 days without any metal exposure. Concentration of metals, different enzymatic and non-enzymatic antioxidant agents and expression levels of heat shock protein (HSP) 70 and 90 were measured in the liver and the kidney of fish...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29138677/oxidative-stress-in-hemodialysis-patients-a-review-of-the-literature
#5
REVIEW
Vassilios Liakopoulos, Stefanos Roumeliotis, Xenia Gorny, Evangelia Dounousi, Peter R Mertens
Hemodialysis (HD) patients are at high risk for all-cause mortality and cardiovascular events. In addition to traditional risk factors, excessive oxidative stress (OS) and chronic inflammation emerge as novel and major contributors to accelerated atherosclerosis and elevated mortality. OS is defined as the imbalance between antioxidant defense mechanisms and oxidant products, the latter overwhelming the former. OS appears in early stages of chronic kidney disease (CKD), advances along with worsening of renal failure, and is further exacerbated by the HD process per se...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29137475/metformin-attenuates-myocardium-dicarbonyl-stress-induced-by-chronic-hypertriglyceridemia
#6
H Malinska, V Škop, J Trnovska, I Markova, P Svoboda, L Kazdova, M Haluzik
Reactive dicarbonyls stimulate production of advanced glycation endproducts, increase oxidative stress and inflammation and contribute to the development of vascular complications. We measured concentrations of dicarbonyls - methylglyoxal (MG), glyoxal (GL) and 3-deoxyglucosone (3-DG) - in the heart and kidney of a model of metabolic syndrome - hereditary hypertriglyceridemic rats (HHTg) and explored its modulation by metformin. Adult HHTg rats were fed a standard diet with or without metformin (300 mg/kg b...
November 10, 2017: Physiological Research
https://www.readbyqxmd.com/read/29137244/microrna-423-5p-facilitates-hypoxia-reoxygenation-induced-apoptosis-in-renal-proximal-tubular-epithelial-cells-by-targeting-gstm1-via-endoplasmic-reticulum-stress
#7
Xiao-Peng Yuan, Long-Shan Liu, Chuan-Bao Chen, Jian Zhou, Yi-Tao Zheng, Xiao-Ping Wang, Ming Han, Chang-Xi Wang
It has been reported that microRNAs (miRs) can regulate renal response to acute injury and members of them are believed to be important in maintenance of renal function and development of renal injury. We investigated the actions of microRNA-423-5p (miR-423-5p) and glutathione-S-transferase (GST) M1 after acute kidney injury. MiR-423-5p was up-regulated and GSTM1 was down-regulated in human kidney (HK-2) cells subjected to hypoxia/reoxygenation (H/R) and in rat kidneys subjected to ischemia/reperfusion (I/R) injury...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136947/the-effect-of-the-dipeptidyl-peptidase-4-inhibitor-sitagliptin-on-gentamicin-nephrotoxicity-in-mice
#8
Yousuf M Al Suleimani, Aly M Abdelrahman, Turan Karaca, Priyadarsini Manoj, Mohammed Ashique, Abderrahim Nemmar, Badreldin H Ali
This study aimed at investigating the possible ameliorative effects of sitagliptin in mice with gentamicin (GEN) nephrotoxicity. Sitagliptin was given to the animals at an oral dose of 10mgkg(-1) per day for 10days, and in some of these mice, GEN was injected intraperitoneally at a dose of 100mgkg(-1) per day during the last seven days of the treatment. Nephrotoxicity was evaluated histopathologically by light microscopy and biochemically by measuring several indices in plasma, urine and renal cortex homogenates...
November 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135052/enhanced-effect-of-human-mesenchymal-stem-cells-expressing-human-tnf-%C3%AE-r-fc-and-ho-1-gene-on-porcine-islet-xenotransplantation-in-humanized-mice
#9
Han-Sin Lee, Sanghyun Song, Du Yeon Shin, Geun-Soo Kim, Jong-Hyun Lee, Chan Woo Cho, Kyo Won Lee, Hyojun Park, Curie Ahn, Jaeseok Yang, Heung-Mo Yang, Jae Berm Park, Sung-Joo Kim
BACKGROUND: Porcine islet xenotransplantation is considered an attractive alternative treatment for type 1 diabetes mellitus. However, it is largely limited because of initial rejection due to Instant Blood-Mediated Inflammatory Reaction (IBMIR), oxidative stress, and inflammatory responses. Recently, soluble tumor necrosis factor-ɑ receptor type I (sTNF-αR) and heme oxygenase (HO)-1 genes (HO-1/sTNF-αR) have been shown to improve the viability and functionality of porcine islets after transplantation...
November 14, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/29133362/three-month-endothelial-human-endothelin-1-overexpression-causes-blood-pressure-elevation-and-vascular-and-kidney-injury
#10
Suellen C Coelho, Olga Berillo, Antoine Caillon, Sofiane Ouerd, Júlio C Fraulob-Aquino, Tlili Barhoumi, Stefan Offermanns, Pierre Paradis, Ernesto L Schiffrin
Endothelium-derived endothelin (ET)-1 has been implicated in the development of hypertension and end-organ damage, but its exact role remains unclear. We have shown that tamoxifen-inducible endothelium-restricted human ET-1 overexpressing (ieET-1) mice exhibited blood pressure rise after a 3-week induction in an ET type A (ETA) receptor-dependent manner, in absence of vascular and renal injury. It is unknown whether long-term ET-1 overexpression results in sustained blood pressure elevation and vascular and renal injury...
November 13, 2017: Hypertension
https://www.readbyqxmd.com/read/29132945/uric-acid-and-the-risks-of-kidney-failure-and-death-in-individuals-with-ckd
#11
Anand Srivastava, Arnaud D Kaze, Ciaran J McMullan, Tamara Isakova, Sushrut S Waikar
BACKGROUND: Serum uric acid concentrations increase in chronic kidney disease (CKD) and may lead to tubular injury, endothelial dysfunction, oxidative stress, and intrarenal inflammation. Whether uric acid concentrations are associated with kidney failure and death in CKD is unknown. STUDY DESIGN: Prospective observational cohort study. SETTINGS & PARTICIPANTS: 3,885 individuals with CKD stages 2 to 4 enrolled in the Chronic Renal Insufficiency Cohort (CRIC) between June 2003 and September 2008 and followed up through March 2013...
November 10, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29132440/influence-of-successful-periodontal-intervention-in-renal-disease-inspired-study-protocol-for-a-randomised-controlled-pilot-clinical-trial
#12
Praveen Sharma, Paul Cockwell, Thomas Dietrich, Charles Ferro, Natalie Ives, Iain L C Chapple
BACKGROUND: Patients with chronic kidney disease (CKD) exhibit increased morbidity and mortality which is associated with an increased systemic inflammatory burden. Identifying and managing comorbid diseases that contribute to this load may inform novel care pathways that could have a beneficial impact on the morbidity/mortality associated with CKD. Periodontitis, a highly prevalent, chronic inflammatory disease affecting the supporting structures of teeth, is associated with an increased systemic inflammatory and oxidative stress burden and the successful treatment of periodontitis has been shown to reduce both...
November 13, 2017: Trials
https://www.readbyqxmd.com/read/29131698/the-anti-inflammatory-and-antioxidant-effects-of-salvia-officinalis-on-lipopolysaccharide-induced-inflammation-in-rats
#13
Umut Kerem Kolac, Mehmet Cengiz Ustuner, Neslihan Tekin, Derya Ustuner, Emine Colak, Emre Entok
Salvia officinalis, which has a high phenolic acid and flavonoid content, is a powerful antioxidant and anti-inflammatory herb. Inflammation plays an important role in the pathophysiology of many diseases and could cause damage by means of oxidative stress. The aim of this study was to investigate the anti-inflammatory and antioxidant activity of S. officinalis formed lipopolysaccharide (LPS)-induced experimental inflammation model. Four- to five-month-old 42 female Wistar albino rats were divided into six groups...
November 13, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29131070/pathophysiology-of-post-transplant-hypertension-in-kidney-transplant-focus-on-calcineurin-inhibitors-induced-oxidative-stress-and-renal-sodium-retention-and-implications-with-rhoa-rho-kinase-pathway
#14
Lorenzo A Calò, Verdiana Ravarotto, Francesca Simioni, Elena Naso, Francesco Marchini, Luciana Bonfante, Lucrezia Furian, Paolo Rigotti
Post-transplant hypertension is a common occurrence during treatment with calcineurin inhibitors (CNIs) in kidney transplant population. The pathogenesis of vasoconstriction induced by CNIs involves vascular tone alterations and kidney sodium transport regulation. Among the factors involved a key role is played by the activation of intrarenal renin-angiotensin system with enhanced release of Angiotensin II (Ang II) and increase of oxidative stress. A common pathway between oxidative stress and hypertension induced by CNIs may be identified in the involvement of the activation of RhoA/Rho kinase pathway, key for the induction of hypertension and cardiovascular-renal remodeling, of the oxidative stress mediated increased nitric oxide (NO) metabolism and increased renal sodium retention via increased activity of thiazide-sensitive sodium chloride cotransporter (NCC) in the distal tubule...
October 16, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29130831/a-predominant-oxidative-renal-metabolite-of-empagliflozin-in-male-mice-is-cytotoxic-in-mouse-renal-tubular-cells-but-not-genotoxic
#15
James D Smith, Zimei Huang, Patricia A Escobar, Pamela Foppiano, Hlaing Maw, William Loging, Hongbin Yu, Jonathan A Phillips, Mitchell Taub, Warren W Ku
In a previously reported CD-1 mouse 2-year carcinogenicity study with the sodium glucose cotransporter-2 inhibitor empagliflozin, an increased incidence of renal tubular adenomas and carcinomas was identified only in the male high-dose group. Follow-up investigative studies have shown that the renal tumors in male high-dose mice were preceded by a number of renal degenerative/regenerative findings. Prior cross-species in vitro metabolism studies using microsomes identified an oxidative metabolite (M466/2) predominantly formed in the male mouse kidney and which spontaneously degrades to a metabolite (M380/1) and reactive 4-OH crotonaldehyde (CTA)...
January 1, 2017: International Journal of Toxicology
https://www.readbyqxmd.com/read/29130363/antioxidant-role-of-autophagy-in-maintaining-the-integrity-of-glomerular-capillaries
#16
Jun Matsuda, Tomoko Namba, Yoshitsugu Takabatake, Tomonori Kimura, Atsushi Takahashi, Takeshi Yamamoto, Satoshi Minami, Shinsuke Sakai, Ryuta Fujimura, Jun-Ya Kaimori, Isao Matsui, Takayuki Hamano, Yoko Fukushima, Keiko Matsui, Tomoyoshi Soga, Yoshitaka Isaka
Autophagy is a lysosomal degradation system by which cytosolic materials and damaged organelles are broken down into basic components. To explore the physiological role of autophagy in glomerular endothelial cells (GEnCs), we compared the autophagic flux among cells in the kidney under starvation. Inhibition of autophagy by chloroquine administration significantly increased the number of autophagosomes or autolysosomes in GEnCs and proximal tubular cells, but not in podocytes, suggesting that the GEnCs exhibit substantial autophagic activity...
November 13, 2017: Autophagy
https://www.readbyqxmd.com/read/29130132/in-vivo-assessment-of-polydatin-a-natural-polyphenol-compound-on-arsenic-induced-free-radical-overproduction-gene-expression-and-genotoxicity
#17
Damla Arslan-Acaroz, Fahriye Zemheri, Hasan Huseyin Demirel, Ismail Kucukkurt, Sinan Ince, Abdullah Eryavuz
Arsenic (As) is a well-known contaminant of global groundwater. Its exposure causes several hazardous effects on animals and human via oxidative stress. The present study examined the effect of polydatin (PD) on free radical overproduction in rats exposed to As. Thirty-five male rats randomly allocated into five equal groups. To the control group, physiological saline was given orally and to the second group only 100 mg/L As was given by drinking water for 60 days. The other groups were treated with As (100 mg/L) and PD orally at 50, 100, and 200 mg/kg/day, respectively...
November 12, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29129222/both-cytopathic-and-non-cytopathic-bovine-viral-diarrhea-virus-bvdv-induced-autophagy-at-a-similar-rate
#18
Mrigendra K S Rajput, Karim Abdelsalam, Mahmoud F Darweesh, Lyle J Braun, Jason Kerkvliet, Adam D Hoppe, Christopher C L Chase
Autophagy is a cellular process that maintains cellular homeostasis by the proteolytic recycling of cytoplasm. Autophagy occurs at basal levels in almost all cells. It is upregulated in cellular stress including starvation, oxidative stress or during infection. Several viruses including flavivirus have developed strategies to subvert or use autophagy for their efficient replication. Bovine viral diarrhea virus (BVDV) is a member of the Flaviviridae family and the pestivirus virus group. BVDV is responsible for significant economic loss in cattle industry worldwide...
December 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29128808/attenuation-of-renal-damage-in-type-i-diabetic-rats-by-umbelliferone-a-coumarin-derivative
#19
Mayuresh S Garud, Yogesh A Kulkarni
BACKGROUND: It is well known that diabetes is one of the non-communicable disease affecting a large population worldwide. When diabetes remains untreated or uncontrolled, it leads to further serious complications, affecting vital organs like eyes, kidney, heart, etc. The present study was designed to evaluate effects of umbelliferone, a phytochemical, in treatment of diabetic nephropathy. METHODS: Experimental model used was streptozotocin (55mg/kg, ip) induced diabetic nephropathy in male Sprague Dawley rats...
June 27, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29128560/renal-toxicity-of-nanoparticles-of-cadmium-sulphide-in-rat
#20
Kavita Rana, Yeshvandra Verma, Varsha Rani, Suresh Vir Singh Rana
During present investigations, renal toxicity of CdSNPs (cadmium sulphide nanoparticles) (ranged 5-9 nm) was estimated in rat employing specific parameters. Treatment on each alternate day for 45 days with CdSNPs (10 mg/kg b.w.) yielded significant increase in Cd-MT (cadmium metallothionein), lipid peroxidation and H2O2 generation in the kidney of rat in comparison to bulk cadmium. Concentration of creatinine also increased in urine of CdSNPs treated rats. Histopathological observations revealed extensive damage in proximal tubules...
November 4, 2017: Chemosphere
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