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Erucin inhibits osteoclast formation via suppressing cell-cell fusion molecule DC-STAMP without influencing

Tomohiro Takagi1,2, Hirofumi Inoue1, Shungo Fujii1,3

  • 1Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan.

BMC Research Notes
|March 17, 2022
PubMed
Abstract

Insights

Erucin (ERN), from arugula, inhibits osteoclast formation and bone resorption without affecting osteoblast function. This natural compound shows potential for managing bone-related conditions.

Area of Science:

  • Biochemistry
  • Cell Biology
  • Bone Biology

Background:

  • Erucin (ERN) is an isothiocyanate found in arugula.
  • ERN exhibits known antitumor and antioxidant properties.
  • The impact of ERN on osteoclast and osteoblast differentiation requires further investigation.

Purpose of the Study:

  • To investigate the in vitro effects of ERN on osteoclast differentiation.
  • To evaluate the influence of ERN on osteoblast differentiation and function.

Main Methods:

  • Assessing the formation of tartrate-resistant acid phosphatase (TRAP)-positive cells induced by 1α,25(OH)₂D₃.
  • Analyzing the mRNA expression of key osteoclast-associated genes (NFATc1, TRAP, cathepsin K, DC-STAMP).
  • Evaluating the effect of ERN on osteoblast mineralization.

Main Results:

  • ERN significantly reduced TRAP-positive cell formation at non-cytotoxic concentrations.
  • ERN downregulated mRNA expression of osteoclastogenesis regulators (NFATc1, TRAP, cathepsin K) and DC-STAMP.
  • ERN did not impede osteoblast mineralization.

Conclusions:

  • ERN attenuates osteoclastic bone resorption.
  • ERN inhibits osteoclast formation by suppressing mononuclear pre-osteoclast multinucleation and DC-STAMP expression.
  • ERN's effects on bone resorption do not compromise osteoblast mineralization.
Keywords:
DC-STAMPErucinIsothiocyanateOsteoclast cell fusionOsteoclast differentiation

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