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Supersized kidneys: Lessons from the preclinical obese kidney.

V D D'Agati¹, G S Markowitz

¹Department of Pathology, Columbia University, New York, New York 10032, USA. vdd1@columbia.edu

Kidney International

|April 2, 2008

Summary

Obesity is rising globally and significantly increases kidney failure risk. Early structural and functional kidney changes in obesity are now better understood through studies of bariatric surgery patients.

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Kidney Procurement in a Preclinical Large Animal Model

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Published on: May 2, 2025

Area of Science:

Nephrology
Endocrinology
Public Health

Background:

Rising global obesity rates present a significant public health challenge.
Obesity is a known risk factor for the development and progression of renal failure, independent of other comorbidities.
Understanding the renal effects of obesity is crucial for nephrologists to develop effective interventions.

Discussion:

Kidney biopsies and functional studies in morbidly obese patients undergoing bariatric surgery offer insights into early renal changes.
These studies help elucidate the earliest structural and functional responses of the kidney to obesity.
Investigating these early changes is key to understanding obesity's impact on kidney health.

Key Insights:

Obesity induces specific structural and functional alterations in the kidneys.
Early detection of obesity-related kidney changes is possible even in the absence of overt renal disease.
Bariatric surgery patients provide a unique cohort for studying obesity's impact on renal physiology.

Outlook:

Further research is needed to fully characterize the long-term renal consequences of obesity.
Developing targeted therapies to mitigate obesity-induced kidney damage is a priority.
Enhanced understanding of obesity's renal effects will improve patient outcomes and inform public health strategies.