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The Renal Pathology of Obesity

Nobuo Tsuboi1, Yusuke Okabayashi1,2, Akira Shimizu2

  • 1Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan.

Kidney International Reports
|November 17, 2017
PubMed

Insights

Obesity induces kidney changes, often compensatory. When these fail, particularly in obesity-related glomerulopathy, kidney injury can occur due to metabolic syndrome and reduced nephron mass.

Area of Science:

  • Nephrology
  • Metabolic Disorders
  • Renal Pathophysiology

Background:

  • Obesity leads to significant structural, hemodynamic, and metabolic kidney changes.
  • These alterations are typically compensatory responses to increased metabolic demand.
  • Compensatory failure can result in clinically apparent renal injury.

Purpose of the Study:

  • To elucidate the mechanisms of kidney injury in obesity.
  • To identify factors contributing to renal compensatory failure in obese individuals.
  • To understand the pathogenesis of obesity-related glomerulopathy.

Main Methods:

  • Review of existing literature on obesity and kidney disease.
  • Analysis of physiological and pathological changes in the obese kidney.
  • Identification of risk factors for renal injury in obesity.

Main Results:

  • Obesity-associated conditions, including metabolic syndrome, increase susceptibility to renal injury.
  • A mismatch between body size and nephron mass exacerbates renal stress.
  • Obesity-related glomerulopathy is a key manifestation of obesity-induced renal injury.

Conclusions:

  • Obesity poses a significant threat to kidney health through multiple pathways.
  • Early recognition of risk factors is crucial for preventing obesity-related renal disease.
  • Understanding compensatory mechanisms is key to managing kidney complications in obesity.
Keywords:
chronic kidney diseasehyperfiltrationmetabolic syndromenephron numberobesityobesity-related glomerulopathy

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