Osteoblast bioenergetics and global energy homeostasis

Angela R. Verardo, Thomas Clemens

Research output: Contribution to journalArticle

Abstract

The emergence of the endochondral skeleton in terrestrial animals enabled ambulation against increased gravitational forces and provided a storage site for scarce minerals essential for life. This skeletal upgrade increased overall fuel requirements and altered global energy balance, prompting the evolution of endocrine networks to coordinate energy expenditure. Bone-forming osteoblasts require a large and constant supply of energy substrates to fuel bone matrix production and mineralization. When fuel demands are unmet, bone quality and strength are compromised. Recent studies suggest that key developmental signaling pathways are coupled to bioenergetic programs, accommodating changes in energy requirements at different stages of the osteoblast life cycle. Studies in genetically altered mice have confirmed a link between bone cells and global metabolism and have led to the identification of hormonal interactions between the skeleton and other tissues. These observations have prompted new questions regarding the nature of the mechanisms of fuel sensing and processing in the osteoblast and their contribution to overall energy utilization and homeostasis. Answers to such questions should advance our understanding of metabolic diseases and may ultimately improve treatments for patients with diabetes and osteoporosis.

Original languageEnglish (US)
Pages (from-to)47-54
Number of pages8
JournalNestle Nutrition Institute Workshop Series
Volume89
DOIs
StatePublished - Jan 1 2018

Fingerprint

osteoblasts
Osteoblasts
energy metabolism
Energy Metabolism
homeostasis
Homeostasis
bones
Bone and Bones
Skeleton
energy
skeleton
Physiologic Calcification
Bone Matrix
Metabolic Diseases
Life Cycle Stages
Osteoporosis
Walking
Minerals
osteoporosis
metabolic diseases

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Food Science
  • Nutrition and Dietetics

Cite this

Osteoblast bioenergetics and global energy homeostasis. / Verardo, Angela R.; Clemens, Thomas.

In: Nestle Nutrition Institute Workshop Series, Vol. 89, 01.01.2018, p. 47-54.

Research output: Contribution to journalArticle

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