《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2019, Vol. 25 ›› Issue (2): 178-183.doi: 10.3969/j.issn.1006-9771.2019.02.009

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Efficacy of Wenyangbushen Formula on mRNA Expression of Osteoprotegerin, Receptor Activator of Nuclear Factor-kappa B and Its Ligand in Rabbits with Steroid-induced Avascular Necrosis of Femoral Head

SONG Hong-mei1, WEI Ying-chen2, LI Nan3, WANG He-ming1, 3   

  1. 1. The Second People’s Hospital of Fujian Province, Fuzhou, Fujian 350003, China
    2. The Second Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui 230061, China
    3. Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
  • Received:2018-07-24 Revised:2019-01-07 Published:2019-02-25 Online:2019-04-01
  • Contact: WANG He-ming. E-mail: whm27@126.com
  • Supported by:
    National Natural Science Foundation of China (General) (No. 81173283), Health Union Projects of Natural Foundation of Fujian (No. 2016J01560) and Fujian Provincial Health and Family Planning Young and Middle-aged Key Personnel Training Program (No. 2016-ZQN-73)

Abstract: Objective To observe the effect of Wenyangbushen formula on mRNA expression of osteoprotegerin (OPG), receptor activator of nuclear factor- kappa B (RANK) and receptor activator of nuclear factor- kappa B ligand (RANKL) in rabbits with steroid-induced avascular necrosis of femoral head (SANFH). Methods A total of 46 healthy conventional New Zealand white rabbits were randomly divided into normal group (n = 10) and model building group (n = 36). The modified method of horse serum plus methylprednisolone was used to establish the SANFH model. Two rabbits from the normal group and four from the model building group were used for HE staining. Then the other models were randomly divided into model group, and low-dose, medium-dose and high-dose treatment groups, with eight rabbits in each group. The normal group was given normal saline 10 ml/d, and the treatment groups were given Wenyangbushen formula 6.44 g/(kg?d), 9.66 g/(kg?d) and 12.88 g/(kg?d), respectively, for eight weeks. The mRNA expression of OPG, RANK and RANKL was detected by reverse transcription- polymerase chain reaction. Results The empty lacuna rate was significantly higher in the model group than in the normal group (t = 17.085, P < 0.001). Compared with the model group, the mRNA expression of OPG increased (P < 0.01), and the mRNA expression of RANK and RANKL decreased (P < 0.01), in the treatment groups. Compared with the low-dose treatment group, the mRNA expression of OPG increased (P < 0.01), and the mRNA expression of RANK and RANKL decreased (P < 0.01), in the medium-dose and high-dose treatment groups. There was no significant difference in the mRNA expression of OPG, RANK and RANKL between the low-dose treatment group and the high-dose treatment group (P > 0.05). Conclusion Wenyangbushen formula could increase the mRNA expression of OPG and inhibit the mRNA expression of RANK and RANKL in the femoral head tissue of the rabbits with SANFH.

Key words: steroid-induced avascular necrosis of femoral head, Wenyangbushen formula, osteoprotegerin, receptor activator of nuclear factor-kappa B, receptor activator of nuclear factor-kappa B ligand, rabbits

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