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Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production.

Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Research Abstract Details 

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  • Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Abstract Text:

    jiunn-kae changJiunn-Kae Chang,ya-ling hsuYa-Ling Hsu,i-chun tengI-Chun Teng,po-lin kuoPo-Lin Kuo,

    Piceatannol (3,3',4,5'-tetrahydroxy-trans-stilbene) is a polyphenol present in grapes and wine. By means of alkaline phosphatase activity and osteocalcin enzyme-linked immunosorbent assay (ELISA), we have shown that piceatannol exhibits a significant induction of differentiation in immortalized fetal osteoblasts (hFOB), and osteosarcoma cells (MG-63). Alkaline phosphatase and osteocalcin are phenotypic markers for early-stage differentiated osteoblasts and terminally differentiated osteoblasts, respectively, our results indicate that piceatannol stimulate osteoblast differentiation at various stages (from maturation to terminally differentiated osteoblasts). Induction of differentiation by piceatannol was associated with increased bone morphogenetic protein-2 (BMP-2) production. Addition of purified BMP-2 protein did not increase the upregulation of alkaline phosphatase activity and osteocalcin secretion by piceatannol, whereas the BMP-2 antagonist noggin blocked piceatannol and BMP-2-mediated alkaline phosphatase activity, and osteocalcin secretion enhancement, indicating that BMP-2 production is required in piceatannol-mediated osteoblast maturation and differentiation. In conclusion, piceatannol increased BMP-2 synthesis, and this effect may contribute to its action on the induction of osteoblasts maturation and differentiation, followed by an increase of bone mass. Decreases in new bone formation, followed by estrogen deficiency or various pathologic factors, may contribute to the mechanisms involved in postmenopausal osteoporosis.

    Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Publishing Authors By Initials

    jk changJK Chang,yl hsuYL Hsu,ic tengIC Teng,pl kuoPL Kuo,

    For similar genetic processes: gene expression regulation: up-regulation research abstracts see: genetic processes: gene expression regulation: up-regulation research

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    Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Journal Published:

    PUBLICATION TYPE: Journal Article

    Journal: European journal of pharmacology

    VOLUME: 551

    Page Numbers: 1-9

    Journal Abbreviation: Eur. J. Pharmacol.

    ISSN: 0014-2999

    DAY: 8

    MONTH: 09

    YEAR: 2006

    Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Information

    Number of References:

    LANGUAGE: eng

    NlmUniqueID: 1254354

    Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Keywords Mesh Terms:

    KEYWORDS: Up-Regulation

    MESH TERMS: drug effects

    Chemical & Substance for Abstract: Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production. Information

    Substance Name: Alkaline Phosphatase

    Registry Number: EC 3.1.3.1

    Grant and Affiliation Information for Piceatannol stimulates osteoblast differentiation that may be mediated by increased bone morphogenetic protein-2 production.

    AFFILIATION: Cell Biology Laboratory, Department of Biotechnology, Chia-Nan University of Pharmacy and Science, Tainan, Taiwan.

    Country: Netherlands

    Netherlands Research PublicationNetherlands Research Publication

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    MEDLINETA: Eur J Pharmacol

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