期刊
FEBS LETTERS
卷 581, 期 30, 页码 5929-5934出版社
WILEY
DOI: 10.1016/j.febslet.2007.11.035
关键词
taurine; intracellular magnesium; ERK 1/2; human osteoblast cell; PD98059
Taurine has been reported to influence bone metabolism, and its specific transport system, the taurine transporter, is expressed in osteoblasts. The mean [Mg2+]i was 0.51 +/- 0.01 mM in normal culture media. Taurine caused an increase in [Mg2+] i by 0.72 +/- 0.04 mM in human osteoblast (HOB) cells. This increment in [Mg2+]i was inhibited significantly by PD98059, nifedipine, lidocaine, and imipramine. Taurine was also shown to stimulate the activation of ERK 1/2. This taurine-stimulated ERK 1/2 activation was inhibited by PD98059. In the present study, taurine was shown to increase cell proliferation and generate an increase in [Mg2+] i accompanied by ERK 1/2 activation in HOB cells. (c) 2007 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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