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Human Subcutaneous Adipose Tissue Sampling Using a Mini-Liposuction Technique
Published on: September 27, 2021
Subcutaneous adipocyte size and body fat distribution
Yourka D Tchoukalova1, Christina Koutsari, Maksym V Karpyak
1Endocrine Research Unit, Mayo Clinic, Rochester, MN 55905, USA.
The American Journal of Clinical Nutrition
|January 8, 2008
Summary
Adipocyte size varies by body fat distribution. Abdominal adipocyte size links to visceral fat, while femoral and gluteal adipocyte sizes are distinct. Overall adipocyte size appears globally regulated.
Area of Science:
- Metabolic Health
- Body Composition Analysis
- Adipose Tissue Biology
Background:
- Body fat distribution and adipocyte size are linked to metabolic dysfunction.
- Understanding these relationships is crucial for metabolic health research.
Purpose of the Study:
- To determine how subcutaneous adipocyte size relates to regional fat mass and other depots.
- To investigate these relationships independently of adiposity, age, and sex.
Main Methods:
- Analysis of data from 188 women and 133 men (aged 18-50, BMI 18-50).
- Measurement of subcutaneous abdominal, femoral, and gluteal adipocyte size.
- Assessment of visceral fat area (CT) and adiposity (DXA).
Main Results:
- Abdominal adipocyte size correlated positively with visceral and subcutaneous abdominal fat, and negatively with lower-body fat percentage.
- Femoral adipocyte size related to body fat percentage, while gluteal adipocyte size related to visceral fat area, indicating depot distinctness.
- Adipocyte size in one depot could be predicted by sizes in other depots.
Conclusions:
- Abdominal adipocyte size is associated with body fat distribution patterns.
- Adipocyte size seems to be regulated globally, irrespective of regional fat distribution variations.
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