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Related Experiment Videos

Ghrelin--a hormone with multiple functions.

Márta Korbonits1, Anthony P Goldstone, Maria Gueorguiev

  • 1Department of Endocrinology, St. Bartholomew's Hospital, London EC1A 7BE, UK. m.korbonits@qmul.ac.uk

Frontiers in Neuroendocrinology
|June 9, 2004
PubMed
Summary
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Ghrelin, a brain-gut peptide, regulates appetite and energy balance. This review details its multifaceted roles beyond growth hormone, highlighting its pivotal function in energy homeostasis.

Area of Science:

  • Endocrinology
  • Neuroscience
  • Metabolism

Background:

  • Ghrelin is a peptide hormone primarily secreted by the stomach.
  • It acts as the endogenous ligand for the growth hormone secretagogue receptor.
  • Ghrelin influences growth hormone release and appetite, with potential paracrine and endocrine effects.

Purpose of the Study:

  • To comprehensively review the structure, expression, and regulation of ghrelin and its receptor.
  • To summarize ghrelin's effects on various physiological systems, including hormone axes, metabolism, and behavior.
  • To analyze ghrelin levels in different physiological and pathological states and examine gene variations.

Main Methods:

  • Literature review of existing data on ghrelin and its receptor.
  • Synthesis of information on ghrelin's structure, expression, and regulation.

Related Experiment Videos

  • Analysis of experimental and clinical studies on ghrelin's physiological and pathological roles.

    • Main Results:

    • Ghrelin's role extends beyond growth hormone to encompass broader energy flux regulation.
    • It plays a significant part in controlling energy use and flow, especially during energy source limitations.
    • Ghrelin is increasingly linked to the overall control of energy homeostasis.

    Conclusions:

    • Ghrelin is a key regulator of energy balance and homeostasis.
    • Its functions are more significantly related to energy metabolism than previously understood.
    • Further research into ghrelin's diverse roles in physiology and pathology is warranted.