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[Leptinaemia in the Czech population]
D Stejskal1, P Stejskal, V Růzicka
1Interní oddĕlení Nemocnice, Sternberk.
Vnitrni Lekarstvi
|January 12, 2005
Summary
Leptin levels in the Czech Republic correlate most strongly with body fat percentage and waist-to-hip ratio in men. Leptinaemia increases with age until 70, then declines, particularly in women, likely due to bodily constitution changes.
Area of Science:
- Endocrinology and Metabolism
- Human Physiology
- Biochemistry
Context:
- Leptin, a protein hormone, plays a crucial role in regulating energy metabolism.
- Human leptinaemia is closely associated with subcutaneous fat levels, with obese individuals often exhibiting hyperleptinaemia.
- Understanding leptin's role is vital for metabolic and endocrine health research.
Purpose:
- To determine the average leptin levels in the general Czech population.
- To investigate the relationship between leptinaemia and anthropometric indicators (BMI, body fat percentage, WHR) and age.
- To establish reference ranges for leptinaemia in the Czech Republic.
Summary:
- A study of 538 individuals in the Czech Republic found average leptinaemia of approximately 10 ng/ml, with women having higher levels than men.
- Leptinaemia showed strong correlations with body fat percentage (r=0.75) and waist-to-hip ratio in men (r=0.82), and moderate correlation with BMI (r=0.55).
- Leptin levels increased with age up to 70 years, then plateaued or declined, especially in women, suggesting bodily constitution changes are primary drivers.
Impact:
- Establishes population-specific leptin reference ranges for the Czech Republic.
- Highlights subcutaneous fat and WHR as key predictors of leptinaemia, crucial for metabolic health assessments.
- Provides insights into age-related changes in leptin, informing research on aging and metabolic disorders.