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Marrow adipose tissue (MAT) uniquely expands during energy restriction and influences bone health. This review explores MAT

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Area of Science:

  • Physiology
  • Endocrinology
  • Metabolic Research

Background:

  • Adipocytes, crucial for energy balance, secrete diverse molecules influenced by nutrition.
  • Marrow adipose tissue (MAT) exhibits unique characteristics distinct from white (WAT) and brown (BAT) adipose tissue.
  • MAT and bone cells share a common origin and are interconnected in regulating energy metabolism and bone remodeling.

Purpose of the Study:

  • To provide an updated perspective on marrow adipose tissue (MAT) structure and physiology.
  • To review MAT's involvement in metabolic and nutritional diseases.
  • To highlight the interplay between MAT, bone remodeling, and energy metabolism.

Main Methods:

  • Literature review of current research on marrow adipose tissue.
  • Analysis of studies investigating the relationship between MAT, bone cells, and metabolic regulation.
  • Synthesis of findings on the impact of diseases like diabetes mellitus and anorexia nervosa on MAT and bone health.

Main Results:

  • MAT adipocytes expand during energy restriction, unlike WAT adipocytes.
  • Hormones and adipokines (e.g., adiponectin, GLP1) modulate bone remodeling, marrow adipogenesis, and energy metabolism.
  • Metabolic diseases significantly impact MAT quantity/quality and bone strength.

Conclusions:

  • MAT plays a critical role in energy homeostasis and bone health.
  • Understanding MAT is crucial for managing metabolic and nutritional disorders.
  • Further research is needed to fully elucidate MAT's complex functions and therapeutic potential.