Bone morphogenetic protein‐2b stimulation of growth and osteogenic phenotypes in rat osteoblast‐like cells: Comparison with TGF‐β1

Bone morphogenetic protein‐2b stimulation of growth and osteogenic phenotypes in rat osteoblast‐like cells: Comparison with TGF‐β1
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骨形态发生蛋白-2b 对大鼠成骨细胞样细胞生长和成骨表型的刺激:与 TGF-β1 的比较

DOI:
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发表时间:
1991
期刊:
影响因子:
--
通讯作者:
E. Amento
E. Amento
中科院分区:
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文献类型:
--
作者:
Theresa L. Chen;R. Bates;A. Dudley;G. Hammonds;E. Amento

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研究了重组人骨形态发生蛋白-2b(BMP-2b = BMP-4)对胎鼠成骨样细胞(ROB)的生物学作用,并与转化生长因子-β1(TGF-β1)进行了比较。与TGF-β1的作用类似,BMP-2b刺激DNA和胶原合成以及蛋白质积累。与抑制碱性磷酸酶活性的TGF-β1不同,BMP-2b使酶活性比对照水平提高8至9倍。本研究证明了BMP-2b对骨相关细胞的直接作用,以刺激体外成骨表型,并为BMP-2b在体内诱导骨形成提供了细胞机制。
The biologic effects of recombinant human bone morphogenetic protein‐2b (BMP‐2b = BMP‐4) were studied and compared with transforming growth factor‐β1 (TGF‐β1) in fetal rat osteoblast‐like (ROB) cells. Similar to the effects of TGF‐β1, BMP‐2b stimulated DNA and collagen synthesis as well as protein accumulation. Unlike TGF‐β1, which inhibited alkaline phosphatase activity, BMP‐2b enhanced enzyme activity eight‐to ninefold over the control level. The present study demonstrates direct actions of BMP‐2b on bone‐associated cells to stimulate osteogenic phenotypes in vitro and provides a cellular mechanism for the induction of bone formation by BMP‐2b in vivo.
甲状旁腺激素刺激成骨细胞样细胞摄取 45Ca2:可能涉及碱性磷酸酶。
DOI: 10.1210/endo-126-4-1941
发表时间: 1990
期刊: Endocrinology
影响因子: 4.8
作者:
Fukayama,S;TashjianJr,AH
通讯作者: TashjianJr,AH
DOI: 10.1016/s0021-9258(18)61587-x
发表时间: 1987-02
期刊: The Journal of biological chemistry
影响因子: --
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通讯作者: M. Centrella;T. McCarthy;E. Canalis
DOI: --
发表时间: 1988-12
期刊: The Journal of biological chemistry
影响因子: --
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