scholarly journals Targeting Methylglyoxal in Diabetic Kidney Disease Using the Mitochondria-Targeted Compound MitoGamide

Nutrients ◽  
2021 ◽  
Vol 13 (5) ◽  
pp. 1457
Author(s):  
Sih Min Tan ◽  
Runa S. J. Lindblom ◽  
Mark Ziemann ◽  
Adrienne Laskowski ◽  
Cesare Granata ◽  
...  
Keyword(s):  
Kidney Disease ◽  
Protein Modification ◽  
Diabetic Kidney Disease ◽  
Blood Glucose Control ◽  
Western World ◽  
Diabetic Kidney ◽  
Stage Renal Disease ◽  
End Stage ◽  
Induced Changes ◽  
Akita Mice

Diabetic kidney disease (DKD) remains the number one cause of end-stage renal disease in the western world. In experimental diabetes, mitochondrial dysfunction in the kidney precedes the development of DKD. Reactive 1,2-dicarbonyl compounds, such as methylglyoxal, are generated from sugars both endogenously during diabetes and exogenously during food processing. Methylglyoxal is thought to impair the mitochondrial function and may contribute to the pathogenesis of DKD. Here, we sought to target methylglyoxal within the mitochondria using MitoGamide, a mitochondria-targeted dicarbonyl scavenger, in an experimental model of diabetes. Male 6-week-old heterozygous Akita mice (C57BL/6-Ins2-Akita/J) or wildtype littermates were randomized to receive MitoGamide (10 mg/kg/day) or a vehicle by oral gavage for 16 weeks. MitoGamide did not alter the blood glucose control or body composition. Akita mice exhibited hallmarks of DKD including albuminuria, hyperfiltration, glomerulosclerosis, and renal fibrosis, however, after 16 weeks of treatment, MitoGamide did not substantially improve the renal phenotype. Complex-I-linked mitochondrial respiration was increased in the kidney of Akita mice which was unaffected by MitoGamide. Exploratory studies using transcriptomics identified that MitoGamide induced changes to olfactory signaling, immune system, respiratory electron transport, and post-translational protein modification pathways. These findings indicate that targeting methylglyoxal within the mitochondria using MitoGamide is not a valid therapeutic approach for DKD and that other mitochondrial targets or processes upstream should be the focus of therapy.

scholarly journals Therapeutic Strategies for Diabetic Kidney Disease

Diabetology ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 31-35
Author(s):  
Keiichiro Matoba
Keyword(s):  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Intensive Therapy ◽  
Therapeutic Strategies ◽  
Therapeutic Interventions ◽  
Hemodynamic Changes ◽  
Diabetic Kidney ◽  
Global Epidemic ◽  
Stage Renal Disease ◽  
End Stage

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.

Diabetic kidney disease in thedb/dbmouse

2003 ◽  
Vol 284 (6) ◽  
pp. F1138-F1144 ◽  
Author(s):  
Kumar Sharma ◽  
Peter McCue ◽  
Stephen R. Dunn
Keyword(s):  
Diabetic Nephropathy ◽  
Kidney Disease ◽  
Mouse Model ◽  
Renal Disease ◽  
Mouse Models ◽  
Diabetic Kidney Disease ◽  
Diabetic Kidney ◽  
Matrix Expansion ◽  
Stage Renal Disease ◽  
End Stage

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.

scholarly journals Significance of Metformin Use in Diabetic Kidney Disease

2020 ◽  
Vol 21 (12) ◽  
pp. 4239 ◽  
Author(s):  
Daiji Kawanami ◽  
Yuichi Takashi ◽  
Makito Tanabe
Keyword(s):  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Experimental Studies ◽  
Glucose Lowering ◽  
Diabetic Kidney ◽  
First Line Therapy ◽  
Stage Renal Disease ◽  
End Stage ◽  
Pharmacologic Actions

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.

scholarly journals Unraveling the Role of Inflammation in the Pathogenesis of Diabetic Kidney Disease

2019 ◽  
Vol 20 (14) ◽  
pp. 3393 ◽  
Author(s):  
Keiichiro Matoba ◽  
Yusuke Takeda ◽  
Yosuke Nagai ◽  
Daiji Kawanami ◽  
Kazunori Utsunomiya ◽  
...  
Keyword(s):  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Mortality Rates ◽  
Standards Of Care ◽  
Current Status ◽  
Diabetic Kidney ◽  
Stage Renal Disease ◽  
End Stage ◽  
Current Standards

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.

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 ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Public Health Problem ◽  
Cardiovascular Complications ◽  
Current Status ◽  
Diabetic Kidney ◽  
Redox Imbalance ◽  
Stage Renal Disease ◽  
End Stage

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.

scholarly journals Inflammatory Cytokines in Diabetic Kidney Disease: Pathophysiologic and Therapeutic Implications

2021 ◽  
Vol 7 ◽  
Author(s):  
Javier Donate-Correa ◽  
Carla M. Ferri ◽  
Fátima Sánchez-Quintana ◽  
Atteneri Pérez-Castro ◽  
Ainhoa González-Luis ◽  
...  
Keyword(s):  
Kidney Disease ◽  
Diabetic Kidney Disease ◽  
Diabetic Kidney ◽  
Therapeutic Implications ◽  
Cardiovascular Morbidity And Mortality ◽  
Patients With Diabetes ◽  
Traditional Risk Factors ◽  
Stage Renal Disease ◽  
End Stage ◽  
Underlying Processes

Diabetic kidney disease (DKD) is the leading cause of end-stage renal disease and a main contributing factor for cardiovascular morbidity and mortality in patients with diabetes mellitus. Strategies employed to delay the progression of this pathology focus on the control of traditional risk factors, such as hyperglycemia, and elevated blood pressure. Although the intimate mechanisms involved in the onset and progression of DKD remain incompletely understood, inflammation is currently recognized as one of the main underlying processes. Untangling the mechanisms involved in the appearing of a harmful inflammatory response in the diabetic patient is crucial for the development of new therapeutic strategies. In this review, we focus on the inflammation-related pathogenic mechanisms involved in DKD and in the therapeutic utility of new anti-inflammatory strategies.

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