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Thyro-weight: Unlocking the Link between Thyroid Disorders and Weight.

Shashank R Joshi1

  • 1Department of Endocrinology, Lilavati Hospital, Mumbai, Maharashtra.

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|October 21, 2018
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Summary
This summary is machine-generated.

Thyroid hormone influences energy expenditure and appetite. This review highlights its direct and indirect impacts on metabolic rate, including mitochondrial function, crucial for body weight control.

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Area of Science:

  • Endocrinology
  • Metabolism
  • Neuroscience

Background:

  • Thyroid hormone regulates energy expenditure and appetite.
  • Adipose tissue hormones and cytokines signal energy stores to the central nervous system (CNS).
  • Continuous interaction between thyroid hormone and adipose/brain regulatory mechanisms is vital for body weight and energy balance.

Purpose of the Study:

  • To review the direct actions of thyroid hormone on energy expenditure.
  • To emphasize the indirect actions of thyroid hormone on energy expenditure.
  • To explore mechanisms like mitochondrial biogenesis and uncoupling.

Main Methods:

  • Literature review of thyroid hormone's role in energy metabolism.
  • Analysis of direct effects on ATP utilization and metabolic cycles.
  • Examination of indirect effects on mitochondrial capacity and efficiency.

Main Results:

  • Thyroid hormone directly impacts ATP utilization via metabolic cycles and ion permeability.
  • Indirect effects significantly contribute to thyroid hormone-induced energy expenditure.
  • Indirect actions involve promoting mitochondrial biogenesis and reducing metabolic efficiency through uncoupling.

Conclusions:

  • Thyroid hormone plays a multifaceted role in energy expenditure.
  • Indirect mechanisms, particularly those involving mitochondria, are key to thyroid hormone's impact on energy balance.
  • Understanding these actions is crucial for managing body weight and metabolic health.