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Related Experiment Video

Updated: Apr 24, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Lipid mediators in diabetic nephropathy.

Swayam Prakash Srivastava¹, Sen Shi¹, Daisuke Koya²

¹Department of Diabetology & Endocrinology, Kanazawa Medical University, Uchinada, Ishikawa 920-0293, Japan.

Fibrogenesis & Tissue Repair

|September 11, 2014

Summary

Lipid lowering drugs improve cardiovascular health in chronic kidney disease patients but show limited kidney benefits. Targeting lipid mediators like diacylglycerol and ceramide may offer new therapeutic strategies for diabetic nephropathy.

Keywords:

Antidyslipidaemic drugs and microRNAs (miRs)Diabetic nephropathy (DN)Diacylglycerol (DAG)Glyceroshingolpids Protein kinase Cs (PKCs)

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Published on: August 23, 2024

Area of Science:

Nephrology
Endocrinology
Cardiovascular Medicine

Background:

Diabetic nephropathy (DN) is a significant complication of diabetes, leading to kidney damage.
Lipid lowering drugs improve cardiovascular outcomes in chronic kidney disease (CKD) patients but have shown limited efficacy in improving kidney outcomes in DN.
Lipid mediators play a crucial role in the pathogenesis of DN.

Purpose of the Study:

To analyze the involvement of specific lipid mediators in the development of diabetic nephropathy.
To explore the potential of targeting lipid metabolism for therapeutic interventions in DN.
To investigate the effects of lipid lowering drugs on pathways implicated in DN progression.

Main Methods:

Review of existing literature on lipid mediators, diabetic nephropathy, and lipid-lowering therapies.
Analysis of the role of diacylglycerol (DAG) and ceramide in hyperglycemia-induced pathways.
Examination of the impact of lipid-lowering drugs on protein kinase C (PKC) activation and ceramide synthesis.

Main Results:

Hyperglycemia promotes diacylglycerol (DAG) overproduction, activating protein kinase C (PKC) and downstream signaling pathways (VEGF, TGFβ1, PAI-1, NADPH oxidases, NFҟB), which accelerate DN.
Excessive ceramide formation is implicated in the pathobiology of DN.
Lipid lowering drugs may offer therapeutic benefits by downregulating PKC activation, reducing ceramide synthesis, and upregulating anti-fibrotic microRNAs.

Conclusions:

Lipid mediators are key players in the development and progression of diabetic nephropathy.
Targeting lipid metabolism, specifically PKC activation and ceramide biosynthesis, presents a promising therapeutic avenue for DN.
Further research into the effects of lipid lowering drugs on these pathways is warranted to optimize treatment strategies for DN.