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在类风湿性关节炎中,RANKL抑制是否兼具抗吸收和促合成代谢作用?

Is RANKL inhibition both anti-resorptive and anabolic in rheumatoid arthritis?

作者信息

Sims Natalie A, Romas Evange

机构信息

St. Vincent's Institute of Medical Research, 9 Princes Street, Fitzroy, VIC, 3065, Australia.

Department of Medicine at St. Vincent's Hospital Melbourne, The University of Melbourne, 41 Victoria Pde, Fitzroy, VIC, 3065, Australia.

出版信息

Arthritis Res Ther. 2015 Nov 17;17:328. doi: 10.1186/s13075-015-0861-5.

Abstract

A small peptide, OP3-4, blocks receptor activator of NF-κB from binding to its ligand, receptor activator of NF-κB ligand (RANKL), and was reported recently to inhibit bone resorption, promote bone formation and protect cartilage in a preclinical rheumatoid arthritis model. The latter effects may result from inhibition of RANKL reverse signalling in osteoblasts and chondrocytes. Whether other RANKL inhibitors, such as denosumab, share this action is not known, but OP3-4 at least has potential to provide anabolic treatment for both systemic and focal bone loss in inflammatory arthritis.

摘要

一种小肽OP3 - 4可阻止核因子κB受体激活剂与其配体核因子κB受体激活剂配体(RANKL)结合,最近有报道称,在临床前类风湿性关节炎模型中,它可抑制骨吸收、促进骨形成并保护软骨。后一种作用可能是由于抑制了成骨细胞和软骨细胞中的RANKL反向信号传导。目前尚不清楚其他RANKL抑制剂(如地诺单抗)是否具有这种作用,但OP3 - 4至少有潜力为炎症性关节炎的全身性和局部性骨质流失提供合成代谢治疗。

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