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Published in: International Orthopaedics 7/2018

01-07-2018 | Original Paper

Association of reduced sclerostin expression with collapse process in patients with osteonecrosis of the femoral head

Authors: Xiao-Jun Chen, Fan Yang, Zhen-Qiu Chen, Min-Cong He, Guo-Ju Hong, Jun-Yuan Huang, Ying-Chun Zhou, Yi-Xian Qin, Qiu-Shi Wei, Wei He

Published in: International Orthopaedics | Issue 7/2018

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Abstract

Purpose

Sclerostin is an osteocyte-derived protein that has a potent inhibitory effect on osteoblast activity. The osteocyte apoptosis induced by various causes of osteonecrosis of the femoral head (ONFH) plays a key role in the promotion of femoral head collapse. But the effect of altering sclerostin level on the collapse of ONFH has not been studied. Our aim was to assess the role of sclerostin level in the collapse of ONFH.

Methods

Between May 2016 and November 2016, 236 subjects were enrolled in the present study. The patients were classified according to the Association Research Circulation Osseous (ARCO) classification. The clinical bone histomorphology, the expression position, and level of sclerostin as well as the plasma sclerostin level were evaluated.

Results

The sclerostin level was significantly lower in the non-traumatic ONFH group than those in the healthy control group (P = 0.002). The sclerostin level was negatively associated with ARCO stages (r = − 0.239, P = 0.009) and significantly lower in the postcollapse group (P = 0.025).

Conclusions

The reduced expression of sclerostin may play a key role in the collapse process of ONFH and be predictive of the disease progression of ONFH.
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Metadata
Title
Association of reduced sclerostin expression with collapse process in patients with osteonecrosis of the femoral head
Authors
Xiao-Jun Chen
Fan Yang
Zhen-Qiu Chen
Min-Cong He
Guo-Ju Hong
Jun-Yuan Huang
Ying-Chun Zhou
Yi-Xian Qin
Qiu-Shi Wei
Wei He
Publication date
01-07-2018
Publisher
Springer Berlin Heidelberg
Published in
International Orthopaedics / Issue 7/2018
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-018-3979-7

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