Abstract:
:1α,25-dihydroxyvitamin D(3) [1,25(OH)(2)D(3)] induces osteoclast formation via induction of receptor activator of NF-κB ligand (RANKL, also called TNF-related activation-induced cytokine: TRANCE) in osteoblasts. In cocultures of mouse bone marrow cells and osteoblasts, 1,25(OH)(2)D(3) induced osteoclast formation in a dose-dependent manner, with maximum osteoclast formation observed at concentrations greater than 10(-9) M of 1,25(OH)(2)D(3). In the presence of bone morphogenetic protein 2 (BMP-2), the maximum formation of osteoclasts was seen with lower concentrations of 1,25(OH)(2)D(3) (greater than 10(-11) M), suggesting that BMP-2 enhances osteoclast formation induced by 1,25(OH)(2)D(3). In addition, the expressions of RANKL mRNA and proteins were induced by 1,25(OH)(2)D(3) in osteoblasts, and further upregulated by BMP-2. In mouse bone marrow cell cultures without 1,25(OH)(2)D(3), BMP-2 did not enhance osteoclast differentiation induced by recombinant RANKL and macrophage colony-stimulating factor (M-CSF), indicating that BMP-2 does not target osteoclast precursors. Furthermore, BMP-2 up-regulated the expression level of vitamin D receptor (VDR) in osteoblasts. These results suggest that BMP-2 regulates mouse osteoclast differentiation via upregulation of RANKL in osteoblasts induced by 1,25(OH)(2)D(3).
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Tachi K,Takami M,Zhao B,Mochizuki A,Yamada A,Miyamoto Y,Inoue T,Baba K,Kamijo Rdoi
10.1007/s00441-010-1052-ysubject
Has Abstractpub_date
2010-11-01 00:00:00pages
213-20issue
2eissn
0302-766Xissn
1432-0878journal_volume
342pub_type
杂志文章abstract::Scanning electrom microscopy of the ventricular surface of the pars ventralis of the tuber cinereum of the frog Rana temporaria shows that it can be divided in (1) a dorsolateral area, characterized by the presence of very numerous large, solid, bulbous protrusions (2) a medial area, where the large bulbous structures...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00231997
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abstract::Coincident with an increase in the water permeability of toad urinary bladder induced by serosal hypertonicity, a transformation of the ridge-like surface structures of the granular cells into individual microvillous structures occurs. This study was initiated to establish whether the transformation is mediated by the...
journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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abstract::The amniotic epithelium constitutes a diffusion barrier controlling the passage of solutes and water between the amniotic cavity and maternal circulation. With the present immunocytochemical approach, we have shown that several major components of the cyto-skeleton, i.e., actin, alpha-actinin, spectrin and ezrin, are ...
journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
pub_type: 杂志文章
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journal_title:Cell and tissue research
pub_type: 杂志文章
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journal_title:Cell and tissue research
pub_type: 杂志文章
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journal_title:Cell and tissue research
pub_type: 杂志文章
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更新日期:1995-01-01 00:00:00
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journal_title:Cell and tissue research
pub_type: 杂志文章
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更新日期:1987-04-01 00:00:00
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journal_title:Cell and tissue research
pub_type: 杂志文章
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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journal_title:Cell and tissue research
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