Central regulation of bone mass

Semin Cell Dev Biol. 2008 Oct;19(5):452-8. doi: 10.1016/j.semcdb.2008.08.001. Epub 2008 Aug 7.

Abstract

The traditional view of skeletal homeostasis as a primarily endocrine activity has been expanded in recent years following the identification of direct neural pathways controlling bone homeostasis via central relays. Powerful control over both anabolic and catabolic activities have been isolated to neurons of the hypothalamus, enabling large changes in bone mass to be achieved by minute changes in the levels of these central neural signals. Initiated by studies of leptin and expanding rapidly, the breadth and complexity of this regulatory axis to bone is sure to increase. Critically though, the translation of these findings into therapeutic interventions is likely to present a greater challenge. However, the contribution to our understanding that these initial studies are making indicates an exciting potential to help to alleviate the growing challenge presented by musculoskeletal disease.

Publication types

  • Review

MeSH terms

  • Animals
  • Biological Phenomena*
  • Bone Density
  • Bone Development
  • Bone and Bones / physiology
  • Humans
  • Hypothalamus / metabolism
  • Hypothalamus / physiology*
  • Leptin / metabolism
  • Leptin / pharmacology
  • Leptin / physiology*
  • Melanocortins / metabolism
  • Neurons / physiology
  • Neuropeptide Y / metabolism
  • Receptor, Melanocortin, Type 4 / metabolism
  • Receptors, Cannabinoid / metabolism
  • Receptors, Neuropeptide Y / metabolism
  • Sympathetic Nervous System / physiology

Substances

  • Leptin
  • Melanocortins
  • Neuropeptide Y
  • Receptor, Melanocortin, Type 4
  • Receptors, Cannabinoid
  • Receptors, Neuropeptide Y