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https://www.readbyqxmd.com/read/28650422/the-effects-of-valsartan-on-renal-klotho-expression-and-oxidative-stress-in-alleviation-of-cyclosporine-nephrotoxicity
#1
Sina Raeisi, Amir Ghorbanihaghjo, Hassan Argani, Siavoush Dastmalchi, Babollah Ghasemi, Teimour Ghazizadeh, Nadereh Rashtchizadeh, Mahboob Nemati, Mehran Mesgari Abbasi, Nasrin Bargahi, Hossein Samadi Kafil, Amir Mansour Vatankhah
BACKGROUND: Nephrotoxicity side effect of the immunosuppressive drug, cyclosporine A (CsA), can be a major issue in transplantation medicine. Cyclosporine A-induced nephrotoxicity is multifactorial but oxidative stress has a critical role in this process. It has been demonstrated that Valsartan (Val) as an angiotensin receptor blocker has renoprotective effects, but the molecular mechanisms responsible for the renal protection, independent from its blood pressure lowering effect, have not yet been fully understood...
June 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28646994/reading-the-tree-leaves-how-to-enrich-clinical-trials-of-diabetic-kidney-disease
#2
Helen C Looker, Robert G Nelson
Most participants selected for clinical trials of renoprotective drugs do not reach approved endpoints; thus, large trials or prolonged follow-up are needed to achieve adequate statistical power. Yamanouchi et al. used a classification and regression trees analysis to enrich enrollment criterion for patients at the highest risk of reaching these outcomes. Their findings suggest a greater role for newly identified biomarkers of diabetic kidney disease in the selection of participants for clinical trials.
July 2017: Kidney International
https://www.readbyqxmd.com/read/28645189/the-potential-role-of-retinoic-acid-receptor-%C3%AE-on-glomerulosclerosis-in-rats-and-podocytes-injury-is-associated-with-the-induction-of-mmp2-and-mmp9
#3
Xiuping Chen, Yuanhan Qin, Tianbiao Zhou, Ling Jiang, Fengying Lei, He Qin, Lei Zhang, Zhiqiang Zhou
Retinoic acid receptor α (RARα) plays a crucial role in kidney disease. However, the underlying mechanisms in glomerulosclerosis (GS) is still not clear. The roles of RARα in an adriamycin (ADR)-induced GS rat model and in ADR-induced podocyte injury in vitro were investigated. RARα was over-expressed in GS rats, and serum, urine and kidney samples were collected to detect the induction of the expression of the receptor. RARα expression was inhibited and/or over-expressed in cultured podocytes following injury, as demonstrated by morphometric assays, cell toxicity, and matrix metalloproteinase (MMP) enzymatic activity...
June 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28640195/pharmacogenomic-variants-may-influence-the-urinary-excretion-of-novel-kidney-injury-biomarkers-in-patients-receiving-cisplatin
#4
Cara Chang, Yichun Hu, Susan L Hogan, Nickie Mercke, Madeleine Gomez, Cindy O'Bryant, Daniel W Bowles, Blessy George, Xia Wen, Lauren M Aleksunes, Melanie S Joy
Nephrotoxicity is a dose limiting side effect associated with the use of cisplatin in the treatment of solid tumors. The degree of nephrotoxicity is dictated by the selective accumulation of cisplatin in renal tubule cells due to: (1) uptake by organic cation transporter 2 (OCT2) and copper transporter 1 (CTR1); (2) metabolism by glutathione S-transferases (GSTs) and γ-glutamyltransferase 1 (GGT1); and (3) efflux by multidrug resistance-associated protein 2 (MRP2) and multidrug and toxin extrusion protein 1 (MATE1)...
June 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28637361/antioxidant-activity-of-phenolic-compounds-from-extracts-of-eucalyptus-globulus-and-melaleuca-styphelioides-and-their-protective-role-on-d-glucose-induced-hyperglycemic-stress-and-oxalate-stress-in-nrk-49fcells
#5
Divya Ganesan, Eman Al-Sayed, Abhishek Albert, Eldho Paul, Abdel Nasser B Singab, Selvam Govindan Sadasivam, Luciano Saso
Phytochemicals serve as potential therapeutic agents for the prevention and treatment of diseases. In this study, we elucidate the renoprotective activity of compounds isolated from Eucalyptus globulus and Melaleuca styphelioides extracts in glucose- and oxalate-challenged NRK-49F cell model. The antioxidant potential of isolated compounds was evaluated based on their effect on antioxidant enzyme activities and lipid peroxidation levels. The results demonstrated that exposure of NRK-49F cells to glucose and oxalate stress augmented cell damage and attenuated antioxidant enzyme activities...
June 21, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28633927/dencichine-ameliorates-kidney-injury-in-induced-type-ii-diabetic-nephropathy-via-the-tgf-%C3%AE-smad-signalling-pathway
#6
Li Jie, Qiu Pengcheng, He Qiaoyan, Bi Linlin, Zhang Meng, Wang Fang, Jia Min, Yan Li, Zhang Ya, Yang Qian, Wang Siwang
Diabetic nephropathy (DN), a common complication associated with both type I and type II diabetes mellitus (DM), is a major cause of chronic nephropathy and a common cause of end-stage renal diseases (ESRD) throughout the world. This study is aimed to determine whether dencichine (De) can ameliorate renal damage in high-glucose-and-fat diet combined STZ (streptozocin) induced DN in type II DM rats and to investigate the potential underlying mechanisms. Markers of metabolism, diabetes, and renal function, and levels of extracellular matrix (ECM) collagen I (Col I), collagen IV (Col IV), fibronectin (FN) and laminin (LN), and of proteins in the TGF-β/Smad pathway were analysed through RT-PCR, western blot, immunofluorescence and immunohistochemistry...
June 17, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28626209/paeoniflorin-prevents-tlr2-4-mediated-inflammation-in-type-2-diabetic-nephropathy
#7
Tingmin Zhang, Qijin Zhu, Yunxia Shao, Kun Wang, Yonggui Wu
Paeoniflorin is an effective Chinese traditional medicine with anti-inflammatory and immune-regulatory effects. The aim of this study was to investigate the underlying renoprotective mechanism of Paeoniflorin. In vivo, db/db mice were intraperitoneally injected with Paeoniflorin at a dose of 15, 30, or 60 mg/kg respectively. The immunostaining of TLR2, TLR4, CD68, NF-kB p65 and the mRNA level of inflammatory factors, together with the protein expression of TLR2/4 signaling were evaluated. Our data demonstrated that Paeoniflorin could decrease the urinary albumin excretion rate and inhibit macrophage infiltration and activation through blockage of the TLR2/4 signaling pathway compared with the db/db group in vivo...
June 18, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28625368/effect-of-aspirin-on-renal-disease-progression-in-patients-with-type-2-diabetes-a-multicenter-double-blind-placebo-controlled-randomized-trial-the-renal-disease-progression-by-aspirin-in-diabetic-patients-leda-trial-rationale-and-study-design
#8
Francesco Violi, Giovanni Targher, Annarita Vestri, Roberto Carnevale, Maurizio Averna, Alessio Farcomeni, Andrea Lenzi, Francesco Angelico, Francesco Cipollone, Daniele Pastori
Type 2 diabetes mellitus (T2DM) is one of the most common causes of chronic kidney disease and kidney failure. It has been estimated that the annual decline of estimated glomerular filtration rate (eGFR) among patients with T2DM is approximately 2.0-2.5mL min(-1) y(-1). Cyclooxygenase-dependent eicosanoids, such as 11-dehydro-thromboxane (Tx)B2, are increased in T2DM patients and are potentially involved in the regulation of renal blood flow. Animal models showed that cyclooxygenase inhibitors, such as aspirin, are associated with improvements in renal plasma flow and eGFR values...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28624062/diosmetin-protects-against-ischemia-reperfusion-induced-acute-kidney-injury-in-mice
#9
Kang Yang, Wei-Fang Li, Jun-Feng Yu, Cheng Yi, Wei-Feng Huang
BACKGROUND: Renal ischemia/reperfusion (I/R)-induced acute kidney injury remains to be a troublesome condition in clinical practice. Although the exact molecular mechanisms underlying renal I/R injury are incompletely understood, the deleterious progress of renal I/R injury involves inflammation, apoptosis, and oxidative stress. Diosmetin is a member of the flavonoid glycosides family, which suppresses the inflammatory response and cellular apoptosis and enhances antioxidant activity...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28618426/renoprotective-effect-of-angiotensin-converting-enzyme-inhibitors-and-angiotensin-ii-receptor-blockers-in-diabetic-patients-with-proteinuria
#10
Feng-Yi Hsu, Fang-Ju Lin, Huang-Tz Ou, Shih-Hui Huang, Chi-Chuan Wang
BACKGROUND/AIMS: Limited evidence exists on the choice of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) in diabetic patients with nephropathy. We aim to assess the renal effectiveness and safety of these drugs among diabetic nephropathy patients. METHODS: This retrospective cohort study was conducted with diabetic nephropathy patients who initiated ACEI or ARB monotherapy. The primary outcome was a composite of end stage of renal disease and renal transplantation, and the secondary outcome was all-cause mortality...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28606346/empa-reg-outcome-the-nephrologist-s-point-of-view
#11
Christoph Wanner
There is increasing evidence that sodium glucose cotransporter 2 (SGLT2) inhibitors have renoprotective effects, as demonstrated by the renal analyses from clinical trials including Empagliflozin Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients-Removing Excess Glucose (EMPA-REG OUTCOME), CANagliflozin Treatment And Trial Analysis versus SUlphonylurea (CANTATA-SU), and the dapagliflozin renal study. The potential mechanisms responsible are likely multifactorial, and direct renovascular and hemodynamic effects are postulated to play a central role...
July 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28605498/effect-of-home-blood-pressure-on-inducing-remission-regression-of-microalbuminuria-in-patients-with-type-2-diabetes-mellitus
#12
Motonobu Nishimura, Yasuhisa Kato, Tsuyoshi Tanaka, Hideki Taki, Atsuhito Tone, Kazunori Yamada, Seiji Suzuki, Miho Saito, Yutaka Ando, Yoshiharu Hoshiyama
BACKGROUND: The Home Blood Pressure for Diabetic Nephropathy study is a prospective observational study conducted to determine the effect of home blood pressure (HBP) on remission/regression of microalbuminuria in patients with type 2 diabetes mellitus (DM). METHODS: Patients with type 2 DM having microalbuminuria were followed-up for 3 years. Remission of microalbuminuria was defined as shift from microalbuminuria to normoalbuminuria. Regression of microalbuminuria was defined as a 50% reduction in urinary albumin-creatinine ratio from baseline...
June 10, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28596479/remote-ischemic-conditioning-for-the-prevention-of-contrast-induced-acute-kidney-injury-in-patients-undergoing-intravascular-contrast-administration-a-meta-analysis-and-trial-sequential-analysis-of-16-randomized-controlled-trials
#13
Chang-Cheng Zhou, Wen-Tao Yao, Yu-Zheng Ge, Lu-Wei Xu, Ran Wu, Xiao-Fei Gao, Kai-Wei Song, Xiao-Min Jiang, Min Wang, Wen-Juan Huang, Yun-Peng Zhu, Liang-Peng Li, Liu-Hua Zhou, Zhong-Le Xu, Sheng-Li Zhang, Jia-Geng Zhu, Wen-Cheng Li, Rui-Peng Jia
OBJECTIVE: We conducted this meta-analysis to examine the effect of remote ischemic conditioning (RIC) on contrast-induced acute kidney injury (CI-AKI) in patients undergoing intravascular contrast administrationon. METHODS: Pubmed, Embase, and Cochrane Library were comprehensively searched to identify all eligible studies by 15th March, 2017. Risk ratio (RR) and weighted mean difference with the corresponding 95% confidence intervals (CI) were used to examine the treatment effect...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28588674/resveratrol-ameliorates-diabetic-nephropathy-in-rats-through-negative-regulation-of-the-p38-mapk-tgf-%C3%AE-1-pathway
#14
Yuan Qiao, Ke Gao, Yangwei Wang, Xueliang Wang, Bo Cui
Resveratrol (RSV) has been shown to have a renoprotective effect against diabetic nephropathy, but the underlying mechanisms of this have not been fully elucidated. The aim of the current study was to explore the mechanisms responsible for the therapeutic effects of RSV in rat mesangial cells in vitro and in a rat model of diabetic nephropathy. The viability of CRL-2573 rat mesangial cells and their expression levels of p38, phosphorylated (p)-p38, transforming growth factor beta 1 (TGF-β1) and fibronectin were assessed in response to treatment with high glucose, with or without RSV...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28583551/renoprotective-effects-of-carbon-monoxide-releasing-molecule-3-in-ischemia-reperfusion-injury-and-cisplatin-induced-toxicity
#15
Y E Yoon, K S Lee, Y J Lee, H H Lee, W K Han
BACKGROUND: We investigated the effects of a soluble carbon monoxide-releasing molecule (CORM) in cisplatin-induced cytotoxicity and ischemia-reperfusion injury (IRI) in vitro. METHODS: The effects of CORM-3 (12.5-200 μM) were assessed in normal kidney epithelial cells (HK-2, LLC-PK1) and renal cancer cells (Caki-1, Caki-2) subjected to cisplatin (50-200 μM) or IRI. To induce IRI, cells were placed in an anaerobic chamber (37°C, 95% nitrogen, 5% carbon dioxide) for 48 hours...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28582367/do-effects-of-sodium-glucose-cotransporter-2-inhibitors-in-patients-with-diabetes-give-insight-into-potential-use-in-non-diabetic-kidney-disease
#16
Harindra Rajasekeran, David Z Cherney, Julie A Lovshin
PURPOSE OF REVIEW: Our aim was to review the rationale for the role of sodium-glucose cotransporter-2 inhibitors (SGLT-2i) as renoprotective therapy in patients with and without diabetes. RECENT FINDINGS: SGLT-2i are antihyperglycemic agents, approved for treating type 2 diabetes to reduce glycosylated hemoglobin, type A1c. Primary glucoregulatory effects occur through selective inhibition of SGLT-2 at the renal proximal tubule promoting glucosuria leading to blood glucose lowering...
June 2, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28577742/dual-renin-angiotensin-system-blockade-for-nephroprotection
#17
Piero Ruggenenti
In experimental diabetic and nondiabetic chronic kidney disease, angiotensin-converting enzyme (ACE) inhibitor and angiotensin receptor blockers (ARB) combination therapy reduce proteinuria and prevent structural lesions more effectively than either drug alone. Consistently, in humans, a multidrug individually tailored antiproteinuric treatment based on combination therapy with maximum tolerated doses of angiotensin-converting enzyme inhibitors and angiotensin receptor blockers ("Remission Clinic") reduced proteinuria and prevented end-stage renal disease more effectively than angiotensin-converting enzyme/angiotensin receptor blockers monotherapy, in particular in subjects with nondiabetic chronic kidney disease...
April 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28575879/changes-in-kidney-function-in-a-population-with-essential-hypertension-in-real-life-settings
#18
Anastasia G Ptinopoulou, Maria I Pikilidou, Ioannis M Tziolas, Anna-Bettina Haidich, Patrick B Mark, Pantelis E Zebekakis, Anastasios N Lasaridis
INTRODUCTION: Hypertension has been identified as one of the commonest modifiable determinants for chronic kidney disease progression. A variety of antihypertensive drugs are available and their effect on kidney function has been investigated by a large number of randomized controlled trials. Observational studies, although scarcely been used, outpatient can reflect everyday practice, where drug exposures vary over time, and may provide an alternative for detecting longitudinal changes in kidney function...
May 2017: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/28571536/amp-activated-protein-kinase-as-a-drug-target-in-chronic-kidney-disease
#19
Soumaya Allouch, Shankar Munusamy
Chronic kidney disease (CKD) is a condition increasingly affecting millions of individuals worldwide and is ranked as the ninth leading cause of death in the United States. AMP-activated protein kinase (AMPK) is an energy sensor that plays a pivotal role in cellular homoeostasis. Deficiency in AMPK activity and autophagic signaling, and sustained activation of mammalian target of rapamycin (mTOR) and endoplasmic reticulum (ER) stress have been shown to promote epithelial-to-mesenchymal transition (EMT) and renal cell apoptosis and contribute to CKD...
June 1, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28565795/1-25-oh-2d3-and-its-analogue-bxl-628-inhibit-high-glucose-induced-activation-of-rhoa-rock-pathway-in-hk-2-cells
#20
Wei Zhang, Bin Yi, Ke Zhang, Aimei Li, Shikun Yang, Jing Huang, Jishi Liu, Hao Zhang
It has previously been reported that 1,25-(OH)2D3 inhibits high glucose-induced epithelial-to-mesenchymal transition (EMT) in HK-2 cells. However, the mechanism of this renoprotective action remains unclear. Elocalcitol (BXL-628), a vitamin D analog, has been suggested to be effective on the RhoA/Rho associated protein kinase (ROCK) pathway, which serves a crucial role in high glucose-induced EMT. The aim of the present study was to investigate the effect of 1,25-(OH)2D3 and its analogue BXL-628 on high glucose-induced activation of the RhoA/ROCK pathway in human renal proximal tubular cells...
May 2017: Experimental and Therapeutic Medicine
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