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Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
Published on: May 2, 2025
[Diabetic Kidney Disease - How to Protect the Kidney?]
Susanne Brenner1, Christoph Wanner1
1Medizinische Klinik und Poliklinik 1, Schwerpunkte Kardiologie und Nephrologie, Universitätsklinikum Würzburg.
Abstract:
In diabetes, progression of cardio-renal disease is still the most important determinant of disease burden. Hence, the potential of glycaemic control is not the only measure any more to decide whether a new therapeutic approach is selected. Therapies with compelling cardiovascular and renal-protective effects are available. The two most promising new treatment concepts are sodium glucose co-transporter 2 (SGLT-2) inhibition and glucagon-like peptide-1 (GLP-1) receptor agonism. For both treatment concepts, prominent reductions in cardiovascular event rates and renal disease progression have been proven.To date, these beneficial effects appear to be more significant with SGLT-2 inhibitors than with GLP-1 receptor agonists, and further clinical trials with SGLT-2 inhibitors in patients with more advanced diabetic and non-diabetic kidney disease are currently underway. Furthermore, there are two new treatment concepts for attenuation of diabetic kidney disease progression close to finalization: selective antagonism of the mineralocorticoid receptor with finerenone and selective antagonism of the endothelin-1 receptor with atrasentan. Hence, in the near future, more treatment approaches might be available to face the major challenges in diabetes mellitus.
Insights
New diabetes therapies, including sodium glucose co-transporter 2 (SGLT-2) inhibitors and glucagon-like peptide-1 (GLP-1) receptor agonists, offer significant cardio-renal protection beyond glycaemic control. Further advancements are expected with novel treatments targeting kidney disease progression.
Area of Science:
- Cardiology
- Nephrology
- Endocrinology
- Pharmacology
Background:
- Cardio-renal disease progression is a major burden in diabetes management.
- Glycaemic control alone is insufficient for comprehensive diabetes care.
- Emerging therapies offer cardiovascular and renal protective benefits.
Purpose of the Study:
- To review current and emerging therapeutic strategies for managing cardio-renal complications in diabetes.
- To highlight the roles of SGLT-2 inhibitors and GLP-1 receptor agonists.
- To discuss novel agents for attenuating diabetic kidney disease progression.
Main Methods:
- Review of clinical trial data and therapeutic concepts.
- Comparative analysis of SGLT-2 inhibitors and GLP-1 receptor agonists.
- Discussion of emerging treatments like finerenone and atrasentan.
Main Results:
- SGLT-2 inhibitors and GLP-1 receptor agonists demonstrate significant reductions in cardiovascular events and renal disease progression.
- Current evidence suggests SGLT-2 inhibitors may offer more pronounced benefits than GLP-1 receptor agonists.
- Ongoing trials are exploring SGLT-2 inhibitors in advanced kidney disease.
Conclusions:
- SGLT-2 inhibitors and GLP-1 receptor agonists represent key advancements in cardio-renal protection for diabetic patients.
- Novel therapies targeting mineralocorticoid and endothelin-1 receptors are nearing finalization for diabetic kidney disease.
- The future landscape of diabetes management will include multiple approaches to address cardio-renal complications.
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External Anatomy of the Kidney
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...

