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Published on: June 16, 2020
Nodular glomerulosclerosis in the nondiabetic smoker
Samih H Nasr1, Vivette D D'Agati
1Department of Pathology, Columbia University, College of Physicians & Surgeons, New York, NY 10032, USA.
Journal of the American Society of Nephrology : JASN
|June 15, 2007
Summary
Idiopathic nodular glomerulosclerosis is linked to smoking and hypertension, not idiopathic. This kidney disease morphologically mimics diabetic nephropathy, suggesting shared underlying mechanisms.
Area of Science:
- Nephrology
- Pathology
- Cardiovascular Science
Background:
- Idiopathic nodular glomerulosclerosis has been considered a diagnosis of exclusion.
- Emerging research suggests non-idiopathic origins for this condition.
Purpose of the Study:
- To investigate the causative factors behind nodular glomerulosclerosis.
- To explore the relationship between smoking, hypertension, and kidney disease.
- To compare the morphology of smoking-associated glomerulosclerosis with diabetic nephropathy.
Main Methods:
- Review of existing evidence linking lifestyle factors to kidney pathology.
- Morphological analysis of kidney tissue samples.
- Exploration of molecular pathways implicated in kidney damage.
Main Results:
- A strong association identified between longstanding cigarette smoking, hypertension, and nodular glomerulosclerosis.
- Morphological similarities noted between smoking-associated nodular glomerulosclerosis and diabetic nephropathy.
- Potential roles of advanced glycation end products, oxidative stress, angiogenesis, and hemodynamic changes are under investigation.
Conclusions:
- Nodular glomerulosclerosis, particularly when associated with smoking and hypertension, is not idiopathic.
- Smoking and hypertension are significant contributors to this kidney pathology.
- Further research is warranted to elucidate the precise mechanisms and potential therapeutic targets.
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