Cited by 213Adipose Tissue and MetabolismAdipokines, Inflammation, and Metabolic DiseasesPeroxisome Proliferator-Activated Receptors

Adipocyte differentiation and transdifferentiation: plasticity of the adipose organ.

Cinti, Saverio·2002·Journal of Endocrinological Investigation

Abstract

In mammals, the adipose organ is a multi-depot organ made of two tissue types, the white and brown adipose tissues, which collaborate in partitioning the energy contained in lipids between thermogenesis and the other metabolic functions. It consists of several sc and visceral depots. Some areas of these depots are brown and correspond to brown adipose tissue, while many are white and correspond to white adipose tissue. White areas contain a variable amount of brown adipocytes and their number varies with age, strain and environmental conditions. Brown and white adipocyte are morphologically different. At light microscopy level, brown adipocytes have cytoplasmic lipids arranged as numerous small droplets (multilocularity), while white adipocytes have cytoplasmic lipids arranged in a unique vacuole (unilocularity). Ultrastructurally, brown adipocytes have numerous big mitochondria packed with cristae and containing the thermogenic uncoupling protein 1 (UCP1). In vivo and in vitro studies have shown that the differentiation process of brown and white adipocytes shows distinctive features. Nevertheless, the origin of the adipocyte precursor is still unknown. Recent data have stressed the plasticity of the adipose organ in adult animals. Indeed, under peculiar conditions fully differentiated, white adipocytes can transdifferentiate into brown adipocytes, and viceversa. The ability of the adipose organ to interconvert its main cytotypes in order to meet changing metabolic needs is highly pertinent to the physiopathology of obesity and related to therapeutic strategies.

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Crossref · 10.1007/bf03344046

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  • White adipocytes display a high degree of plasticity, and regional differences in metabolic activity can be linked to varying mitochondria densities.

    “White adipocytes display a high degree of plasticity (168), and regional differences in metabolic activity can be linked to varying mitochondria densities (169).”

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Authors
Cinti, S.
Corresponding author
Cinti, Saverio
Venue
Journal of Endocrinological Investigation
Published
2002-11
Volume
25
Issue
10
Pages
823-835
ISSN
  • 0391-4097 (ISSN-L)
  • 1720-8386
OpenAlex
W2049819363
Cited by
213
References
88
Citations by year
2026: 1 · 2025: 7 · 2024: 6 · 2023: 6 · 2022: 5 · 2021: 4 · 2020: 10 · 2019: 11 · 2018: 16 · 2017: 8 · 2016: 7 · 2015: 8 · 2014: 9 · 2013: 15 · 2012: 7
FWCI
0.95
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Endocrinological Investigation (publishedVersion)
  • PubMed (publishedVersion)
  • Università Politecnica delle Marche (Università Politecnica delle Marche) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
adipogenesis, adipocyte transdifferentiation, brown adipose tissue, white adipose tissue, thermogenesis, UCP1, mitochondrial uncoupling, obesity, adipose tissue depots
MeSH terms
Adipose Tissue, Animals, Adipose Tissue, Brown, Cell Differentiation, Humans, Adipocytes

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