Thrombin effects on osteoblastic cells. II. Structure-function relationships.
Thrombin effects on osteoblastic cells. II. Structure-function relationships.
复制标题
凝血酶对成骨细胞的作用。
DOI:
10.1016/0006-291x(91)90503-y
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发表时间:
1991
影响因子:
3.1
通讯作者:
Fenton2nd,JW
中科院分区:
文献类型:
--
作者:
Tatakis,DN;Dolce,C;Dziak,R;Fenton2nd,JW
Thrombin has been shown to causein vitrobone resorption and to stimulate osteoblastic cell proliferation, phosphoinositide turnover and cytosolic calcium levels. In the present study, the role of the active site of thrombin in its action on osteoblastic cells was investigated. Either hirudin or (4-amidinophenyl)methanesulfonyl fluoride inhibited, in a dose-dependent manner, the effects of thrombin on human osteoblast-like osteosarcoma cells (G292 and Saos-2 cell lines) and on normal rat calvarial osteoblastic cells. Thrombin-induced stimulation of cell proliferation, cytosolic calcium increases, and stimulation of phosphoinositide metabolism were concomitantly, and to a proportionally similar extent, inhibited. The inhibitors, when present in the absence of thrombin, did not affect the basal levels of cell functions. Both σ-thrombin and γ-thrombin, forms resulting from proteolytic cleavage of α-thrombin, were capable of stimulating the osteoblastic cells. These data indicate that thrombin's actions on osteoblast-like cells are dependent on the availability of its catalytic site.
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DOI:
10.1016/s0021-9258(17)40293-6
发表时间:
1977
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
J. Fenton;M. Fasco;A. B. Stackrow
通讯作者:
A. B. Stackrow
影响因子:
4.8
作者:
D. Bing;M. Cory;J. Fenton
通讯作者:
J. Fenton
DOI:
--
发表时间:
1987
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Jaffe,EA;Grulich,J;Weksler,BB;Hampel,G;Watanabe,K
通讯作者:
Watanabe,K
影响因子:
15.9
作者:
B. Weksler;C. W. Ley;E. Jaffe
通讯作者:
E. Jaffe
影响因子:
3.6
作者:
Jones,LG;McDonough,PM;Brown,JH
通讯作者:
Brown,JH