Urinary catalytic iron in obesity

Area of Science:

• Biochemistry
• Metabolic Health
• Nephrology

Background:

• Obesity is a precursor to cardiovascular disease risk factors like type 2 diabetes mellitus (DM), hypertension, and chronic kidney disease.
• Catalytic iron is implicated in these chronic diseases, potentially linking obesity to these conditions.

Purpose of the Study:

• To investigate elevated urinary catalytic iron in obese individuals without diagnosed DM or kidney disease.

Main Methods:

• A cross-sectional study measured urinary catalytic iron in 200 adults (100 obese, 100 non-obese) aged 18-70.
• Participants were selected from an outpatient clinic and community setting, excluding those with DM.

Main Results:

• Obese participants exhibited significantly higher mean urinary catalytic iron excretion compared to non-obese individuals (P < 0.001).
• Obesity and waist-to-hip ratio were identified as significant predictors of increased urinary catalytic iron.

Conclusions:

• Obesity and waist-to-hip ratio correlate with elevated urinary catalytic iron, suggesting its potential as an oxidative stress biomarker.
• Further research is required to elucidate the role of catalytic iron in obesity-related cardiovascular and kidney diseases.