Genetic backgrounds and redox conditions influence morphological characteristics and cell differentiation of osteoclasts in mice

Shun Narahara, Haruna Matsushima, Eiko Sakai, Yutaka Fukuma, Kazuhisa Nishishita, Kuniaki Okamoto, Takayuki Tsukuba

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Osteoclasts (OCLs) are multinucleated giant cells and are formed by the fusion of mononuclear progenitors of monocyte/macrophage lineage. It is known that macrophages derived from different genetic backgrounds exhibit quite distinct characteristics of immune responses. However, it is unknown whether OCLs from different genetic backgrounds show distinct characteristics. In this study, we showed that bone-marrow macrophages (BMMs) derived from C57BL/6, BALB/c and ddY mice exhibited considerably distinct morphological characteristics and cell differentiation into OCLs. The differentiation of BMMs into OCLs was comparatively quicker in the C57BL/6 and ddY mice, while that of BALB/c mice was rather slow. Morphologically, ddY OCLs showed a giant cell with a round shape, C57BL/6 OCLs were of a moderate size with many protrusions and BALB/c OCLs had the smallest size with fewer nuclei. The intracellular signaling of differentiation and expression levels of marker proteins of OCLs were different in the respective strains. Treatment of BMMs from the three different strains with the reducing agent N-acetylcysteine (NAC) or with the oxidation agent hydrogen peroxide (H 2O 2) induced changes in the shape and sizes of the cells and caused distinct patterns of cell differentiation and survival. Thus, genetic backgrounds and redox conditions regulate the morphological characteristics and cell differentiation of OCLs.

Original languageEnglish
Pages (from-to)81-94
Number of pages14
JournalCell and Tissue Research
Volume348
Issue number1
DOIs
Publication statusPublished - Apr 2012
Externally publishedYes

Fingerprint

Osteoclasts
Oxidation-Reduction
Cell Differentiation
Macrophages
Giant Cells
Bone Marrow
Genetic Background
Cell Shape
Cell Fusion
Reducing Agents
Acetylcysteine
Cell Size
Hydrogen Peroxide
Monocytes
Cell Survival

Keywords

  • BALB/c
  • C57BL/6
  • ddY
  • Differentiation
  • Osteoclasts

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Cell Biology
  • Histology

Cite this

Genetic backgrounds and redox conditions influence morphological characteristics and cell differentiation of osteoclasts in mice. / Narahara, Shun; Matsushima, Haruna; Sakai, Eiko; Fukuma, Yutaka; Nishishita, Kazuhisa; Okamoto, Kuniaki; Tsukuba, Takayuki.

In: Cell and Tissue Research, Vol. 348, No. 1, 04.2012, p. 81-94.

Research output: Contribution to journalArticle

Narahara, Shun ; Matsushima, Haruna ; Sakai, Eiko ; Fukuma, Yutaka ; Nishishita, Kazuhisa ; Okamoto, Kuniaki ; Tsukuba, Takayuki. / Genetic backgrounds and redox conditions influence morphological characteristics and cell differentiation of osteoclasts in mice. In: Cell and Tissue Research. 2012 ; Vol. 348, No. 1. pp. 81-94.
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