Osteocyte mechanobiology in aging and disease

Henry J. Donahue, Michael J. Friendman, Damian Genetos

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The skeleton is a multifunctional organ system with unpredicted systemic influence. It offers far more than mere scaffolding-sites for muscle and tendon attachment-or a storage depot for calcium and phosphorus. Its remnants in the fossil record belie its strength that arises from self-organization and self-renewal. Yet, it is simultaneously elegantly sensitive to a changing mechanical and hormonal environment. Discoveries over the recent decades have identified unanticipated contributions by osteocytes to fragility with age, mineral metabolism, renal and cardiovascular function, and tumor metastasis to bone. Continued exploration advocates that the osteocyte-a terminally differentiated cell trapped within a matrix of its own making-serves as the master conductor of skeletal health. Within, we review osteocytic contributions to skeletal health, the mechanisms involved, and the capacity for both aging and disease to impede and subvert osteocyte function.

Original languageEnglish (US)
Title of host publicationMechanobiology
Subtitle of host publicationFrom Molecular Sensing to Disease
PublisherElsevier
Pages1-21
Number of pages21
ISBN (Electronic)9780128179314
DOIs
StatePublished - Jan 1 2019

Keywords

  • Aging
  • Bone
  • Cancer
  • Mechanotransduction
  • Osteocyte
  • Osteoporosis

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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