Obesity

Endothelial cell alterations in capillaries of adipose tissue from patients affected by lipedema

Obesity (Silver Spring)Published Mechanistic study

Authors' conclusion

Our data support the idea that cell alterations happen in the early stages of adipocyte development (endothelium/pericyte) in the adipose organ of women affected by lipedema.

Study context

Population
Lean patients with lipedema stage 1 to 2, compared with patients with obesity and lean patients
Participants
10 / 10 / 12
Comparison
Lipedema adipose tissue (affected and nonaffected areas) vs tissue from patients with obesity and lean patients
  • Lipedeman = 10
  • Obesityn = 10reference
  • Leann = 12reference
Outcome
Adipose tissue alterations in lipedema

Main finding

As reported in the abstract

Capillary wall thickening
p ≤ 0.0001
Endothelial and pericyte hyperplasia
p = 0.03 and p = 0.004
Larger (hypertrophic) adipocytes in affected areas vs obesity and lean
P ≤ 0.0001
Larger (hypertrophic) adipocytes in nonaffected areas vs obesity and lean
p = 0.0003
Massive calcium crystal deposition in adipocyte cytoplasm (Von Kossa staining)
p = 0.023
More abundant CD68 immunoreactive macrophages in affected areas
p = 0.005
Macrophage number similar to fat from patients with obesity
p = 0.17

Original publication

Endothelial cell alterations in capillaries of adipose tissue from patients affected by lipedema. Obesity (Silver Spring). Published 12 March 2025. doi:10.1002/oby.24244

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