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Adipose tissues, including white (WAT) and brown (BAT), possess remarkable plasticity, capable of transdifferentiation for physiological needs. This adaptability offers potential therapeutic avenues for obesity and breast pathologies.

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Area of Science:

  • Physiology
  • Endocrinology
  • Cell Biology

Background:

  • Adipose tissue, comprising white (WAT) and brown (BAT) adipose tissues, functions as a dynamic endocrine organ.
  • WAT stores lipids, while BAT generates heat through thermogenesis.
  • These tissues exhibit reciprocal transdifferentiation in response to physiological demands.

Purpose of the Study:

  • To explore the endocrine and plastic properties of adipose tissues.
  • To investigate the mechanisms of adipose tissue remodeling and transdifferentiation.
  • To highlight the therapeutic potential of adipose tissue plasticity in metabolic and breast diseases.

Main Methods:

  • Review of existing literature on adipose tissue biology.
  • Analysis of lineage tracing and explant studies.
  • In vitro studies on adipocyte liposecretion and transdifferentiation.

Main Results:

  • Adipose tissues demonstrate reversible transdifferentiation (browning/whitening) based on thermogenic needs or energy balance.
  • Breast adipose tissue undergoes dynamic changes during pregnancy and lactation, reverting post-lactation.
  • Mature adipocytes exhibit plasticity in vitro, differentiating into various cell types.
  • Inflammasome activation in stressed adipocytes contributes to inflammation and insulin resistance in obesity.

Conclusions:

  • Adipose tissue is a highly plastic organ with significant remodeling capabilities.
  • Adipocyte plasticity, including transdifferentiation and liposecretion, is crucial for physiological adaptation.
  • Understanding adipose tissue plasticity may lead to novel therapeutic strategies for metabolic disorders and breast pathologies.