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骨保护素的研究进展 被引量:2

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摘要 骨保护素(osteoprotegerin,OPG)是1997年发现的肿瘤坏死因子(tumor necrosis factor,TNF)受体家族的新成员,也称破骨细胞抑制因子(osteoclast inhibitory factor,OCIF)或称为树枝状细胞受体1(dendritic cell derived receptor-1,FD-CR-1),它是骨代谢一个重要的负调控因子.OPG是核因子κB受体活化因子(receptor activator of nuclear factor kappa B ligand,RANKL)、TNF相关凋亡诱导配体(TNF related apo-tosis inducing ligand,TRAIL)等TNF家族成员的假受体[1-2].OPG与RANKL的结合可阻断破骨细胞(osteoclast,OC)发生的RANK/RANKL信号通路,抑制OC对骨骼的破坏作用[1].而OPG与TRAIL的结合则抑制了后者特异性诱导的细胞凋亡作用[2].由于OPG对OC的抑制作用,使它有可能成为临床上治疗骨质疏松症、风湿性关节炎、骨癌等疾病的新药物而备受关注.
出处 《中国康复医学杂志》 CAS CSCD 2004年第11期876-878,共3页 Chinese Journal of Rehabilitation Medicine
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