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  • Title: [Effect of Er-xian decoction on femur proteomics in ovariectomized osteoporosis rats].
    Author: Liu ZW, Liu B, Wu Q, Chen YF, Xu P, Xie HH, Wang Y, Yang S.
    Journal: Zhongguo Zhong Yao Za Zhi; 2017 Jul; 42(13):2558-2563. PubMed ID: 28840699.
    Abstract:
    This experiment was mainly aimed to investigate the effect of Er-xian decoction on osteoporosis and the femur proteomics in ovariectomized rats with osteoporosis. The female SD rats were randomly divided into sham operation group, model group, Alendronate group (1 mg•kg⁻¹), Er-xian decoction group (in dose of 8 g•kg⁻¹) according to their weight. The rats in sham operation group and model group were gavaged with normal saline; the rats in Alendronate group were gavaged with the Alendronate at the dose of 1 mg•kg⁻¹ and the rats in Er-xian decoction group were gavaged with Er-xian decoction at the dose of 8 g•kg⁻¹, once a day for continuous 90 days. Then the femoral bone mineral density (BMD) was detected. The femoral bone proteins were detected by NanoLC-LTQ-Orbitrap system, identified by Protein Discovery software, and the intensity of differentially expressed proteins were quantitated by SIEVE software. The results showed that Er-xian decoction could significantly improve femoral BMD in ovariectomized rats. As compared with model group, 41 differentially expressed proteins whose variation trend was consistent with the sham operation group, were found in Er-xian decoction group, mainly including biological oxidation related protein, signal transduction pathway related protein, proteins involved in aliphatic acid metabolism, cytoskeleton related protein, proteins involved in energy metabolism, and proteins involved in glucose metabolism etc. The osteoporosis could be prevented and cured by Er-xian decoction. The differentially expressed proteins such as carbonic anhydrase 2 and integrin β1 may be the action targets for Er-xian decoction.
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