Isolation and characterization of osteoclast precursors that differentiate into osteoclasts on calvarial cells within a short period of time

Taro Tsurukai, Naoyuki Takahashi, Eijiro Jimi, Ichiro Nakamura, Nobuyuki Udagawa, Katsumi Nogimori, Makoto Tamura, Tatsuo Suda

Research output: Contribution to journalArticle

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Abstract

Osteoclasts are formed in cocultures of mouse calvarial cells and hematopoietic cells in the presence of osteotropic factors such as 1α, 25- dihydroxyvitamin D3 [1α,25(OH)2D3], parathyroid hormone (PTH) and prostaglandin E2 (PGE2). We isolated osteoclast precursors (OCPs) from the coculture and examined their characteristics. After coculture for 7 days of mouse calvarial cells and bone marrow cells in the absence of osteotropic factors, hematopoietic cells were recovered and applied to a Sephadex G-10 column. Cells which passed through the column were collected as OCPs. When OCPs were cultured on calvarial cell layers in the presence of 1α,25(OH)2D3, tartrate-resistant acid phosphatase (TRAP)-positive cells first appeared within 24 h, and their number increased thereafter. OCPs also differentiated into TRAP-positive cells within 48 h on the calvarial cell layer which had been pretreated with either 1α,25(OH)2D3, PTH, or PGE2. Autoradiography using [125l]-labeled calcitonin showed that TRAP-positive cells formed on the calvarial cell layer expressed calcitonin receptors. Direct contact between OCPs and calvarial cells was required for the differentiation of OCPs into TRAP-positive cells. Flow cytometric analysis revealed that OCPs were positive for Mac-1, Mac-2, and Gr-1 but negative for F4/80, B220 and CD3e. Calvarial cells obtained from macrophage-colony stimulating factor (M-CSF)deficient osteopetrotic (op/op) mice did not support OCP formation. A cell preparation disaggregated from long bones of newborn mice contained OCPs that differentiated into TRAP-positive cells on calvarial cells within 48 h, but cell preparations of freshly isolated bone marrow cells and alveolar macrophages did not. These results suggest that OCPs are specific cells which are formed only in the bone microenvironment and that OCPs recognize a signal(s) expressed by stromal cells in response to osteotropic factors and differentiate into osteoclasts.

Original languageEnglish
Pages (from-to)26-35
Number of pages10
JournalJournal of cellular physiology
Volume177
Issue number1
DOIs
Publication statusPublished - Jan 1 1998
Externally publishedYes

Fingerprint

Osteoclasts
Cells
Acid Phosphatase
Bone
Coculture Techniques
Parathyroid Hormone
Dinoprostone
Calcitonin Receptors
Bone Marrow Cells
Macrophage Colony-Stimulating Factor
Calcitriol
Calcitonin
Bone and Bones
Alveolar Macrophages
tartaric acid
Stromal Cells

All Science Journal Classification (ASJC) codes

  • Physiology
  • Clinical Biochemistry
  • Cell Biology

Cite this

Isolation and characterization of osteoclast precursors that differentiate into osteoclasts on calvarial cells within a short period of time. / Tsurukai, Taro; Takahashi, Naoyuki; Jimi, Eijiro; Nakamura, Ichiro; Udagawa, Nobuyuki; Nogimori, Katsumi; Tamura, Makoto; Suda, Tatsuo.

In: Journal of cellular physiology, Vol. 177, No. 1, 01.01.1998, p. 26-35.

Research output: Contribution to journalArticle

Tsurukai, Taro ; Takahashi, Naoyuki ; Jimi, Eijiro ; Nakamura, Ichiro ; Udagawa, Nobuyuki ; Nogimori, Katsumi ; Tamura, Makoto ; Suda, Tatsuo. / Isolation and characterization of osteoclast precursors that differentiate into osteoclasts on calvarial cells within a short period of time. In: Journal of cellular physiology. 1998 ; Vol. 177, No. 1. pp. 26-35.
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