Abstract:
:Prostaglandin F2α (PGF2α) plays multiple roles on bone metabolism by regulating a wide range of signaling pathways. PGF2α, via activation of PKC, stimulates Na-dependent inorganic phosphate (Pi) transport system in osteoblasts; up-regulates interleukin (IL)-6 synthesis; increases vascular endothelial growth factor (VEGF). In addition, PGF2α acts as a strong mitogenic and survival agent on osteoblasts, and these effects are, at least in part, mediated by the binding of fibroblast growth factor-2 (FGF-2) to the specific receptor FGFR1. The understanding of PGF2α intracellular network, albeit complex to clarify, provides molecular bases useful to identify the players of osteoblast proliferation, apoptosis, and the associated angiogenic processes. Indeed, the molecular mechanism that underline PGF2α-regulated bone metabolism may be a promising platform for the development of novel targeted therapies in the treatment of bone disorders and disease.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Agas D,Marchetti L,Hurley MM,Sabbieti MGdoi
10.1002/jcp.24117subject
Has Abstractpub_date
2013-01-01 00:00:00pages
25-9issue
1eissn
0021-9541issn
1097-4652journal_volume
228pub_type
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journal_title:Journal of cellular physiology
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journal_title:Journal of cellular physiology
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abstract::A decline in cell surface gamma-glutamyl transpeptidase specific activity was previously observed to be concomitant with C6 glial cell proliferation. To elucidate the underlying factor(s) mediating gamma-glutamyl transpeptidase down-regulation, the effects of C6 cell density and culture conditions on cell surface tran...
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abstract::It was shown previously that mouse bone marrow cells transformed by simian virus 40 (SV40) show a reversible cell density-dependent phenotypic transition between the nonmacrophage (rapidly growing) and the macrophage (stationary) states; cells in low-density cultures are in the growing phase, express SV40 T antigen st...
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pub_type: 杂志文章
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更新日期:2006-10-01 00:00:00
abstract::Non-histone chromosomal proteins are phosphorylated and dephosphorylated within the intact nucleus by two independent sets of reactions, a protein kinase reaction which transfers the terminal phosphate group of a variety of nucleoside and deoxynucleoside triphosphates to serine and threonine residues in the proteins, ...
journal_title:Journal of cellular physiology
pub_type: 杂志文章
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abstract::The cells of the bone marrow microenvironment are emerging as important contributors and regulators of normal hematopoiesis. This microenvironment is perturbed during leukemogenesis, and evidence points toward a bidirectional communication between leukemia cells and the normal cells of the bone marrow, mediated by dir...
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abstract::In order to promote cell attachment, fibronectin must first undergo activation by a suitable substrate. In this study, 52 materials have been surveyed for their ability a) to bind fibronectin, b) to activate the cell-adhesive property of fibronectin, and c) to support the growth of cells. Many plastics, polysaccharide...
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