scholarly journals Targeting Redox Imbalance as an Approach for Diabetic Kidney Disease

Biomedicines ◽  
2020 ◽  
Vol 8 (2) ◽  
pp. 40 ◽  
Author(s):  
Keiichiro Matoba ◽  
Yusuke Takeda ◽  
Yosuke Nagai ◽  
Tamotsu Yokota ◽  
Kazunori Utsunomiya ◽  
...  

Diabetic kidney disease (DKD) is a worldwide public health problem. It is the leading cause of end-stage renal disease and is associated with increased mortality from cardiovascular complications. The tight interactions between redox imbalance and the development of DKD are becoming increasingly evident. Numerous cascades, including the polyol and hexosamine pathways have been implicated in the oxidative stress of diabetes patients. However, the precise molecular mechanism by which oxidative stress affects the progression of DKD remains to be elucidated. Given the limited therapeutic options for DKD, it is essential to understand how oxidants and antioxidants are controlled in diabetes and how oxidative stress impacts the progression of renal damage. This review aims to provide an overview of the current status of knowledge regarding the pathological roles of oxidative stress in DKD. Finally, we summarize recent therapeutic approaches to preventing DKD with a focus on the anti-oxidative effects of newly developed anti-hyperglycemic agents.

2019 ◽  
Vol 20 (14) ◽  
pp. 3393 ◽  
Author(s):  
Keiichiro Matoba ◽  
Yusuke Takeda ◽  
Yosuke Nagai ◽  
Daiji Kawanami ◽  
Kazunori Utsunomiya ◽  
...  

Diabetic kidney disease (DKD) remains the leading cause of end-stage renal disease (ESRD) and is therefore a major burden on the healthcare system. Patients with DKD are highly susceptible to developing cardiovascular disease, which contributes to increased morbidity and mortality rates. While progress has been made to inhibit the acceleration of DKD, current standards of care reduce but do not eliminate the risk of DKD. There is growing appreciation for the role of inflammation in modulating the process of DKD. The focus of this review is on providing an overview of the current status of knowledge regarding the pathologic roles of inflammation in the development of DKD. Finally, we summarize recent therapeutic advances to prevent DKD, with a focus on the anti-inflammatory effects of newly developed agents.


Biomolecules ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 730
Author(s):  
Liang-Jun Yan

Diabetic kidney disease (DKD) is a common and severe complication of diabetes mellitus. If left untreated, DKD can advance to end stage renal disease that requires either dialysis or kidney replacement. While numerous mechanisms underlie the pathogenesis of DKD, oxidative stress driven by NADH/NAD+ redox imbalance and mitochondrial dysfunction have been thought to be the major pathophysiological mechanism of DKD. In this review, the pathways that increase NADH generation and those that decrease NAD+ levels are overviewed. This is followed by discussion of the consequences of NADH/NAD+ redox imbalance including disruption of mitochondrial homeostasis and function. Approaches that can be applied to counteract DKD are then discussed, which include mitochondria-targeted antioxidants and mimetics of superoxide dismutase, caloric restriction, plant/herbal extracts or their isolated compounds. Finally, the review ends by pointing out that future studies are needed to dissect the role of each pathway involved in NADH-NAD+ metabolism so that novel strategies to restore NADH/NAD+ redox balance in the diabetic kidney could be designed to combat DKD.


2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Bojana Kisic ◽  
Dijana Miric ◽  
Ilija Dragojevic ◽  
Julijana Rasic ◽  
Ljiljana Popovic

Chronic kidney disease (CKD) is a worldwide public health problem. Patients with CKD have a number of disorders in the organism, and the presence of oxidative stress and systemic inflammation in these patients is the subject of numerous studies. Chronic inflammation joined with oxidative stress contributes to the development of numerous complications: accelerated atherosclerosis process and cardiovascular disease, emergence of Type 2 diabetes mellitus, development of malnutrition, anaemia, hyperparathyroidism, and so forth, affecting the prognosis and quality of life of patients with CKD. In this review we presented the potential role of the myeloperoxidase enzyme in the production of reactive/chlorinating intermediates and their role in oxidative damage to biomolecules in the body of patients with chronic kidney disease and end-stage renal disease. In addition, we discussed the role of modified lipoprotein particles under the influence of prooxidant MPO intermediates in the development of endothelial changes and cardiovascular complications in renal failure.


2017 ◽  
Vol 17 (4) ◽  
pp. 160-164 ◽  
Author(s):  
Indranil Dasgupta ◽  
Debasish Banerjee ◽  
Tahseen A Chowdhury ◽  
Parijat De ◽  
Mona Wahba ◽  
...  

Diabetes is the commonest cause of end-stage renal disease; over a quarter of patients who are on dialysis in the UK have diabetes. Diabetic kidney disease is associated with high cardiovascular morbidity and mortality. Hypertension is a modifiable risk factor for cardiovascular complications and progression of diabetic kidney disease.The Association of British Clinical Diabetologists and the Renal Association have jointly developed guidelines for management of hypertension through different stages of diabetic kidney disease. Here we present a summary of clinical practice recommendations, audit standards, and areas that require further research.


Diabetology ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 31-35
Author(s):  
Keiichiro Matoba

Diabetic kidney disease (DKD) is a global epidemic leading to end-stage renal disease (ESRD) and susceptibility to cardiovascular disease, with few therapeutic interventions. A hallmark of DKD is the activation of the renin-angiotensin-aldosterone system and hemodynamic changes in glomerulus. Although intensive therapy with agents that targets those abnormalities lowers the risk of DKD progression, it does not completely abolish the risk of ESRD and cardiovascular events. Recent studies have illustrated the importance of renal inflammation, oxidative stress, and activated Rho-associated protein kinase (ROCK) signaling as essential pathogenesis for the development of DKD. In this commentary, these topics will be discussed.


2003 ◽  
Vol 284 (6) ◽  
pp. F1138-F1144 ◽  
Author(s):  
Kumar Sharma ◽  
Peter McCue ◽  
Stephen R. Dunn

Diabetic nephropathy is increasing in incidence and is now the number one cause of end-stage renal disease in the industrialized world. To gain insight into the genetic susceptibility and pathophysiology of diabetic nephropathy, an appropriate mouse model of diabetic nephropathy would be critical. A large number of mouse models of diabetes have been identified and their kidney disease characterized to various degrees. Perhaps the best characterized and most intensively investigated model is the db/ db mouse. Because this model appears to exhibit the most consistent and robust increase in albuminuria and mesangial matrix expansion, it has been used as a model of progressive diabetic renal disease. In this review, we present the findings from various studies on the renal pathology of the db/ db mouse model of diabetes in the context of human diabetic nephropathy. Furthermore, we discuss shortfalls of assessing functional renal disease in mouse models of diabetic kidney disease.


2020 ◽  
Vol 21 (12) ◽  
pp. 4239 ◽  
Author(s):  
Daiji Kawanami ◽  
Yuichi Takashi ◽  
Makito Tanabe

Metformin is a glucose-lowering agent that is used as a first-line therapy for type 2 diabetes (T2D). Based on its various pharmacologic actions, the renoprotective effects of metformin have been extensively studied. A series of experimental studies demonstrated that metformin attenuates diabetic kidney disease (DKD) by suppressing renal inflammation, oxidative stress and fibrosis. In clinical studies, metformin use has been shown to be associated with reduced rates of mortality, cardiovascular disease and progression to end-stage renal disease (ESRD) in T2D patients with chronic kidney disease (CKD). However, metformin should be administered with caution to patients with CKD because it may increase the risk of lactic acidosis. In this review article, we summarize our current understanding of the safety and efficacy of metformin for DKD.


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