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A novel in vivo gene transfer technique and in vitro cell based assays for the study of bone loss in musculoskeletal disorders.

Authors
  • Dj, Wu
  • N, Dixit
  • E, Suzuki
  • T, Nguyen
  • Hs, Shin
  • J, Davis
  • Emanual Maverakis
  • Ie, Adamopoulos
Type
Published Article
Journal
Journal of Visualized Experiments
Publisher
MyJoVE Corporation
Issue
88
Identifiers
DOI: 10.3791/51810
Source
maverakislab-ucdavis dermatology-ucdavis
License
Unknown

Abstract

Differentiation and activation of osteoclasts play a key role in the development of musculoskeletal diseases as these cells are primarily involved in bone resorption. Osteoclasts can be generated in vitro from monocyte/macrophage precursor cells in the presence of certain cytokines, which promote survival and differentiation. Here, both in vivo and in vitro techniques are demonstrated, which allow scientists to study different cytokine contributions towards osteoclast differentiation, signaling, and activation. The minicircle DNA delivery gene transfer system provides an alternative method to establish an osteoporosis-related model is particularly useful to study the efficacy of various pharmacological inhibitors in vivo. Similarly, in vitro culturing protocols for producing osteoclasts from human precursor cells in the presence of specific cytokines enables scientists to study osteoclastogenesis in human cells for translational applications. Combined, these techniques have the potential to accelerate drug discovery efforts for osteoclast-specific targeted therapeutics, which may benefit millions of osteoporosis and arthritis patients worldwide.

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