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Diabetic renal involvment

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https://www.readbyqxmd.com/read/28196897/role-of-hsp60-hspd1-in-diabetes-induced-renal-tubular-dysfunction-regulation-of-intracellular-protein-aggregation-atp-production-and-oxidative-stress
#1
Siripat Aluksanasuwan, Kanyarat Sueksakit, Kedsarin Fong-Ngern, Visith Thongboonkerd
Because underlying mechanisms of diabetic nephropathy/tubulopathy remained poorly understood, we aimed to define a key protein involving in hyperglycemia-induced renal tubular dysfunction. All altered renal proteins identified from previous large-scale proteome studies were subjected to global protein network analysis, which revealed heat shock protein 60 (HSP60, also known as HSPD1) as the central node of protein-protein interactions. Functional validation was performed using small interfering RNA (siRNA) to knock down HSP60 (siHSP60)...
February 14, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28194484/perturbations-of-the-anti-ageing-hormone-klotho-in-patients-with-type-1-diabetes-and-microalbuminuria
#2
Giuseppe Maltese, Nikolaos Fountoulakis, Richard C Siow, Luigi Gnudi, Janaka Karalliedde
AIMS/HYPOTHESIS: Patients with type 1 diabetes and microalbuminuria are at high risk of cardiovascular disease (CVD) and end-stage renal disease. Soluble Klotho is an anti-ageing circulating hormone involved in phosphate metabolism and vascular homeostasis through protective effects on the endothelium and antioxidant actions. The role of soluble Klotho in patients with type 1 diabetes and microalbuminuria is unknown. METHODS: In a cross-sectional single-centre study we evaluated the levels of circulating serum soluble Klotho in 33 participants with type 1 diabetes and a history of microalbuminuria (receiving renin-angiotensin system [RAS] inhibitors) and 45 participants with type 1 diabetes without a history of microalbuminuria (not receiving RAS or other antihypertensive drugs)...
February 13, 2017: Diabetologia
https://www.readbyqxmd.com/read/28193784/impaired-myogenic-response-of-the-afferent-arteriole-contributes-to-the-increased-susceptibility-to-renal-disease-in-milan-normotensive-rats
#3
Ying Ge, Fan Fan, Sean P Didion, Richard J Roman
Milan normotensive (MNS) rats are more susceptible to the development of renal disease than Milan hypertensive (MHS) rats, but the genes and pathways involved are unknown. This study compared the myogenic response of isolated perfused afferent arterioles (Af-Art) and autoregulation of renal blood flow (RBF) and glomerular capillary pressure (Pgc) in 6-9-week-old MNS and MHS rats. The diameter of the Af-Art of MHS rats decreased significantly from 14.3 ± 0.5 to 11.5 ± 0.6 μm when perfusion pressure was elevated from 60 to 120 mmHg...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28190920/acute-alloxan-renal-toxicity-in-the-rat-initially-causes-degeneration-of-thick-ascending-limbs-of-henle
#4
Yui Terayama, Yasushi Kodama, Tetsuro Matsuura, Kiyokazu Ozaki
Alloxan (AL) is a material well-known to induce diabetes. Prior to inducing a prolonged diabetic state, AL causes acute tubulointerstitial nephritis. However, the precise primary target site and mechanism of its nephrotoxicity remain unclear. The objective of this study was to evaluate the morphological characteristics relevant to acute renal toxicity following AL administration. Rats were intravenously treated with AL. Eight hours after AL treatment, aquaporin 1-negative and Na/K pump-positive thick ascending limbs of Henle (TAL) were degenerated in the outer medulla...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28182703/nephropathy-in-pparg-null-mice-highlights-ppar%C3%AE-systemic-activities-in-metabolism-and-in-the-immune-system
#5
Barbara Toffoli, Federica Gilardi, Carine Winkler, Magnus Soderberg, Laura Kowalczuk, Yvan Arsenijevic, Krister Bamberg, Olivier Bonny, Béatrice Desvergne
Peroxisome proliferator-activated receptor γ (PPARγ) is a ligand-dependent transcription factor involved in many aspects of metabolism, immune response, and development. Total-body deletion of the two Pparg alleles provoked generalized lipoatrophy along with severe type 2 diabetes. Herein, we explore the appearance and development of structural and functional alterations of the kidney, comparing Pparg null-mice to their littermate controls (carrying Pparg floxed alleles). We show that renal hypertrophy and functional alterations with increased glucosuria and albuminuria are already present in 3 weeks-old Pparg null-mice...
2017: PloS One
https://www.readbyqxmd.com/read/28167473/therapeutic-effect-of-atorvastatin-on-kidney-functions-and-urinary-excretion-of-glimepiride-in-healthy-adult-human-male-subjects
#6
Tayyaba Sana, Bilal Aslam, Nosheen Aslam, Muhammad Mudassar Ashraf, Asma Ashraf, Tahir Aqeel Malik, Sammia Gul Niazi, Imtiaz Mahmood Tahir, Muhammad RiazurRehman, Hamad Ahmed
Glimepiride and atorvastatin in combination are commonly employed for treating the hyperglycemia and dyslipidemia, respectively, in patients of type 2 diabetes. The present study was designed to find out the influence of atorvastatin on urinary excretion and renal clearance of Glimepiride in healthy adult male volunteers. In each experimental subject, Glimepiride 2mg was given orally after an overnight fasting. Samples of blood and urine were taken at different specific time intervals. After a washout period of ten days, Glimepiride 2mg was co-administered with atorvastatin 20mg orally...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28164134/diabetes-induced-reactive-oxygen-species-mechanism-of-their-generation-and-role-in-renal-injury
#7
REVIEW
Selim Fakhruddin, Wael Alanazi, Keith E Jackson
Diabetes induces the onset and progression of renal injury through causing hemodynamic dysregulation along with abnormal morphological and functional nephron changes. The most important event that precedes renal injury is an increase in permeability of plasma proteins such as albumin through a damaged glomerular filtration barrier resulting in excessive urinary albumin excretion (UAE). Moreover, once enhanced UAE begins, it may advance renal injury from progression of abnormal renal hemodynamics, increased glomerular basement membrane (GBM) thickness, mesangial expansion, extracellular matrix accumulation, and glomerulosclerosis to eventual end-stage renal damage...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28161386/podocyturia-parallels-proximal-tubule-dysfunction-in-type-2-diabetes-mellitus-patients-independently-of-albuminuria-and-renal-function-decline-a-cross-sectional-study
#8
Ligia Petrica, Mihaela Vlad, Adrian Vlad, Gheorghe Gluhovschi, Florica Gadalean, Victor Dumitrascu, Roxana Popescu, Cristina Gluhovschi, Petru Matusz, Silvia Velciov, Flaviu Bob, Sorin Ursoniu, Daliborca Vlad
AIMS: Detection of podocytes in the urine of patients with type 2 diabetes may indicate severe injury to the podocytes. In the course of type 2 diabetes the proximal tubule is involved in urinary albumin processing. We studied the significance of podocyturia in relation with proximal tubule dysfunction in type 2 diabetes. METHODS: A total of 86 patients with type 2 diabetes (34-normoalbuminuria; 30-microalbuminuria; 22-macroalbuminuria) and 28 healthy subjects were enrolled in the study and assessed concerning urinary podocytes, podocyte-associated molecules, and biomarkers of proximal tubule dysfunction...
January 20, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28148578/hypokalaemia-in-sj%C3%A3-gren-s-syndrome-the-missing-piece
#9
Umer Farooq Khan, Lee Chun Tsu, Kong-Bing Tan, Jingxiang Huang, Audrey LiAnn Wong
A 58-year-old Chinese woman with well controlled type 1 diabetes mellitus presented with acute and progressive bilateral lower limb weakness. Investigations revealed severe hypokalaemia (1.3 mmol/L) and hypophosphataemia (<0.32 mmol/L) with rhabdomyolysis and electrocardiogram changes, without other concurrent biochemical abnormalities. Immediate intravenous and oral potassium and phosphate replacement was initiated with objective improvement in weakness with replenished electrolyte levels. Urine studies confirmed renal potassium wasting...
February 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28143897/glomerular-hyperfiltration-in-diabetes-mechanisms-clinical-significance-and-treatment
#10
Lennart Tonneijck, Marcel H A Muskiet, Mark M Smits, Erik J van Bommel, Hiddo J L Heerspink, Daniël H van Raalte, Jaap A Joles
An absolute, supraphysiologic elevation in GFR is observed early in the natural history in 10%-67% and 6%-73% of patients with type 1 and type 2 diabetes, respectively. Moreover, at the single-nephron level, diabetes-related renal hemodynamic alterations-as an adaptation to reduction in functional nephron mass and/or in response to prevailing metabolic and (neuro)hormonal stimuli-increase glomerular hydraulic pressure and transcapillary convective flux of ultrafiltrate and macromolecules. This phenomenon, known as glomerular hyperfiltration, classically has been hypothesized to predispose to irreversible nephron damage, thereby contributing to initiation and progression of kidney disease in diabetes...
January 31, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28137583/nod2-promotes-endothelial-to-mesenchymal-transition-of-glomerular-endothelial-cells-via-mek-erk-signaling-pathway-in-diabetic-nephropathy
#11
Jin Shang, Ya Zhang, Yumin Jiang, Zhenzhen Li, Yiqi Duan, Luyao Wang, Jing Xiao, Zhanzheng Zhao
Endothelial-to-mesenchymal transition (EndMT) of glomerular vascular endothelial cells (GEnCs) is now considered to play a critical role in diabetic nephropathy (DN). NOD2 is newly discovered to be closely related to DN renal injury. However, the relationship between NOD2 and EndMT of GEnCs has never been reported. In the present study, we found that NOD2 over-expression was positively correlated with the severity of DN injury in human renal biopsy samples. Immunohistochemical staining of DN renal slices showed gradual absence of endothelial character and gain of mesenchymal character, both of which were associated with NOD2 over-expression...
January 27, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28134396/-metabolic-acidosis
#12
Giuseppe Regolisti, Filippo Fani, Riccardo Antoniotti, Giuseppe Castellano, Elena Cremaschi, Paolo Greco, Elisabetta Parenti, Santo Morabito, Alice Sabatino, Enrico Fiaccadori
Metabolic acidosis is frequently observed in clinical practice, especially among critically ill patients and/or in the course of renal failure. Complex mechanisms are involved, in most cases identifiable by medical history, pathophysiology-based diagnostic reasoning and measure of some key acid-base parameters that are easily available or calculable. On this basis the bedside differential diagnosis of metabolic acidosis should be started from the identification of the two main subtypes of metabolic acidosis: the high anion gap metabolic acidosis and the normal anion gap (or hyperchloremic) metabolic acidosis...
November 2016: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28123638/nicousamide-protects-kidney-podocyte-by-inhibiting-the-tgf%C3%AE-receptor-ii-phosphorylation-and-age-rage-signaling
#13
Sen Zhang, Dongjie Wang, Nina Xue, Fangfang Lai, Ming Ji, Jing Jin, Xiaoguang Chen
Nicousamide, a clinical phase II renal protective new drug, has been demonstrated to have renal protective effect on diabetic nephropathy (DN) by experimental animal model. Its known molecular mechanisms include AGE formation blocking and moderately decreasing the blood pressure. Nicousamide shows potential on attenuating albuminuria, thereby suggests it might have protective effect on podocytes. The aim of present study was to investigate whether nicousamide could protect integrity of podocytes, and further its protection mechanisms...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28114132/development-of-a-limb-preservation-program
#14
Richard F Neville, Ahmed Kayssi
In the global scenario, as the prevalence of renal failure and diabetes increases, healing and limb preservation assume increasing clinical importance for patients and healthcare systems. Unfortunately, there continues to be variation in the care delivered to patients at risk of losing a limb based on geography, race, socioeconomic status, and insurance status. There are also a variety of therapeutic approaches to patients with limb-threatening ischemia; 25% undergo primary amputation, 25% undergo medical therapy, and only 50% undergo any attempt at revascularization...
January 24, 2017: Blood Purification
https://www.readbyqxmd.com/read/28109856/adenosine-contribution-to-normal-renal-physiology-and-chronic-kidney-disease
#15
REVIEW
Carlos Oyarzún, Wallys Garrido, Sebastián Alarcón, Alejandro Yáñez, Luis Sobrevia, Claudia Quezada, Rody San Martín
Adenosine is a nucleoside that is particularly interesting to many scientific and clinical communities as it has important physiological and pathophysiological roles in the kidney. The distribution of adenosine receptors has only recently been elucidated; therefore it is likely that more biological roles of this nucleoside will be unveiled in the near future. Since the discovery of the involvement of adenosine in renal vasoconstriction and regulation of local renin production, further evidence has shown that adenosine signaling is also involved in the tubuloglomerular feedback mechanism, sodium reabsorption and the adaptive response to acute insults, such as ischemia...
January 18, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28107779/effects-of-mineralocorticoid-receptor-antagonists-on-the-progression-of-diabetic-nephropathy
#16
Li-Jing Sun, Yan-Ni Sun, Jian-Ping Shan, Geng-Ru Jiang
AIMS: We aimed to evaluate the potential benefits and adverse effects of adding a mineralocorticoid receptor antagonist (MRA) to angiotensin converting enzyme inhibitors (ACEI) and/or angiotensin receptor blockers (ARB), as standard treatment in patients with DN. MATERIALS AND METHODS: We scanned the Embase, PubMed, and Cochrane Central Register of Controlled Trials databases for human clinical trials published in English until June 2016, evaluating renal outcomes in patients with DN...
January 20, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28107252/multimorbidity-and-the-risk-of-all-cause-30-day-readmission-in-the-setting-of-multidisciplinary-management-of-chronic-heart-failure-a-retrospective-analysis-of-830-hospitalized-patients-in-australia
#17
Joshua F Wiley, Yih-Kai Chan, Yasmin Ahamed, Jocasta Ball, Melinda J Carrington, Barbara Riegel, Simon Stewart
BACKGROUND: Multimorbidity has an adverse effect on health outcomes in hospitalized individuals with chronic heart failure (CHF), but the modulating effect of multidisciplinary management is unknown. OBJECTIVE: The aim of this study was to test the hypothesis that increasing morbidity would independently predict an increasing risk of 30-day readmission despite multidisciplinary management of CHF. METHODS: We studied patients hospitalized for any reason with heart failure receiving nurse-led, postdischarge multidisciplinary management...
January 20, 2017: Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28105986/canagliflozin-dapagliflozin-and-empagliflozin-monotherapy-for-treating-type-2-diabetes-systematic-review-and-economic-evaluation
#18
Rhona Johnston, Olalekan Uthman, Ewen Cummins, Christine Clar, Pamela Royle, Jill Colquitt, Bee Kang Tan, Andrew Clegg, Saran Shantikumar, Rachel Court, J Paul O'Hare, David McGrane, Tim Holt, Norman Waugh
BACKGROUND: Most people with type 2 diabetes are overweight, so initial treatment is aimed at reducing weight and increasing physical activity. Even modest weight loss can improve control of blood glucose. If drug treatment is necessary, the drug of first choice is metformin. However, some people cannot tolerate metformin, which causes diarrhoea in about 10%, and it cannot be used in people with renal impairment. This review appraises three of the newest class of drugs for monotherapy when metformin cannot be used, the sodium-glucose co-transporter 2 (SGLT2) inhibitors...
January 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28103735/comparison-of-transtibial-amputations-in-diabetic-patients-with-and-without-end-stage-renal-disease
#19
Dane K Wukich, Junho Ahn, Katherine M Raspovic, Frank A Gottschalk, Javier La Fontaine, Larry A Lavery
BACKGROUND: The primary purpose of this retrospective study was to report on a consecutive series of 102 patients with diabetes mellitus (DM) who underwent transtibial amputation (TTA) for chronic infections and nonreconstructable lower extremity deformities. A secondary aim was to compare the outcomes of TTA patients with end-stage renal disease on dialysis (ESRD) to patients without ESRD, and to identify risk factors for mortality after TTA. METHODS: This cohort involved a consecutive series of patients who were treated by a single surgeon...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28102499/aortic-radial-pulse-wave-velocity-ratio-in-end-stage-renal-disease-patients-association-with-age-body-tissue-hydration-status-renal-failure-etiology-and-five-years-of-hemodialysis
#20
Daniel Bia, Rodolfo Valtuille, Cintia Galli, Sandra Wray, Ricardo Armentano, Yanina Zócalo, Edmundo Cabrera-Fischer
INTRODUCTION: The etiology of the end-stage renal disease (ESRD) and the hydration status may be involved in the arterial stiffening process observed in hemodialyzed patients. The ratio between carotid-femoral and carotid-radial pulse wave velocity (PWV ratio) was recently proposed to characterize the patient-specific stiffening process. AIMS: to analyze: (1) the PWV-ratio in healthy and hemodialyzed subjects, analyzing potential changes associated to etiologies of the ESRD, (2) the PWV-ratio and hydration status using multiple-frequency bioimpedance and, (3) the effects of hemodialysis on PWV-ratio in a 5-year follow-up...
January 19, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
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