Related Experiment Video
Updated: Jun 1, 2026

Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells
Published on: March 16, 2017
Endothelial nitric oxide synthase
Abstract:
Diabetic nephropathy remains a leading cause for end-stage renal disease indicating a failure of current therapeutic strategies. One factor that impairs our ability to make advances has been the inadequacy of most animal models in manifesting advanced diabetic renal disease. Since these animal models develop marked hyperglycemia, one could assume that hyperglycemia is not enough for the development of advanced nephropathy and thereby additional factors are likely involved. Recently, our research group and others have discovered a new mouse model in which diabetes is induced in mice lacking endothelial nitric oxide synthase (eNOS). Diabetic eNOS knockout mice develop severe renal injuries resembling advanced human diabetic nephropathy. This model thereby suggests a key role for reduced nitric oxide levels in the pathogenesis of diabetic nephropathy. In this article, we summarize recent clinical and experimental evidence for the role of eNOS in diabetic nephropathy.
Insights
Diabetic nephropathy is a major cause of kidney failure. A new mouse model lacking endothelial nitric oxide synthase (eNOS) shows severe kidney injury, suggesting eNOS deficiency is key in diabetic kidney disease.
Area of Science:
- Nephrology
- Endocrinology
- Cardiovascular Research
Background:
- Diabetic nephropathy is a leading cause of end-stage renal disease.
- Current therapeutic strategies are insufficient.
- Existing animal models inadequately represent advanced diabetic renal disease.
Purpose of the Study:
- To investigate the role of endothelial nitric oxide synthase (eNOS) in the pathogenesis of diabetic nephropathy.
- To highlight a novel mouse model that mimics advanced human diabetic nephropathy.
Main Methods:
- Induction of diabetes in mice genetically modified to lack eNOS (eNOS knockout mice).
- Observation and analysis of renal injury development in these diabetic eNOS knockout mice.
- Review of clinical and experimental evidence linking eNOS to diabetic nephropathy.
Main Results:
- Diabetic eNOS knockout mice develop severe renal injuries.
- These injuries closely resemble advanced human diabetic nephropathy.
- The findings suggest that reduced nitric oxide levels are critical in the disease's development.
Conclusions:
- Endothelial nitric oxide synthase (eNOS) plays a crucial role in preventing severe kidney damage in diabetes.
- Reduced nitric oxide availability is a significant factor in diabetic nephropathy pathogenesis.
- The diabetic eNOS knockout mouse is a valuable model for studying advanced diabetic kidney disease.
More Related Videos
08:58En Face Detection of Nitric Oxide and Superoxide in Endothelial Layer of Intact Arteries
Published on: February 25, 2016
09:39Development and Characterization of In Vitro Microvessel Network and Quantitative Measurements of Endothelial [Ca2+]i and Nitric Oxide Production
Published on: May 19, 2016
Related Concept Videos
Nitric Oxide Signaling Pathway
Regulation of Angiogenesis and Blood Supply
Paracrine Signaling
Mechanism of Angiogenesis
Antihypertensive Drugs: Vasodilators
Coronary Artery Disease II: Pathophysiology