首页> 外文期刊>Cell biology international. >BMP-2 treatment of C3H10T1/2 mesenchymal cells blocks MMP-9 activity during chondrocyte commitment.
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BMP-2 treatment of C3H10T1/2 mesenchymal cells blocks MMP-9 activity during chondrocyte commitment.

机译:BMP-2处理C3H10T1 / 2间充质细胞可阻止软骨细胞定型过程中的MMP-9活性。

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摘要

Members of both the Wnt and bone morphogenetic protein (BMP) families of signaling molecules have been implicated in the regulation of cartilage development. We explored the underlying mechanism of BMP-2-induced chondrocyte commitment of C3H10T1/2 cells. Treating cells with exogenous BMP-2 was tied to chondrocyte commitment by inhibiting matrix metalloproteinase-9 activity (MMP-9: 92 kDa type IV collagenase/gelatinase B). Glycogen synthase kinase (GSK)-3beta inhibition by its specific inhibitor blocked BMP-2-induced chondrocyte commitment by stimulating MMP-9 activity. These findings indicate that the downregulation of MMP-9 by BMP-2 is associated with chondrocyte commitment, and that the GSK-3beta signaling pathway is involved in this process.
机译:Wnt和骨形态发生蛋白(BMP)信号分子家族的成员都参与了软骨发育的调控。我们探讨了BMP-2诱导C3H10T1 / 2细胞软骨细胞定型的潜在机制。通过抑制基质金属蛋白酶9的活性(MMP-9:92 kDa IV型胶原酶/明胶酶B),用外源BMP-2处理细胞与软骨细胞的定型有关。糖原合酶激酶(GSK)-3beta被其特异性抑制剂抑制通过刺激MMP-9活性来阻断BMP-2诱导的软骨细胞定型。这些发现表明BMP-2对MMP-9的下调与软骨细胞的定型有关,并且GSK-3beta信号通路参与了该过程。

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