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首页> 外文期刊>Cytokine >Puerarin facilitates osteogenesis in steroid-induced necrosis of rabbit femoral head and osteogenesis of steroid-induced osteocytes via miR-34a upregulation
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Puerarin facilitates osteogenesis in steroid-induced necrosis of rabbit femoral head and osteogenesis of steroid-induced osteocytes via miR-34a upregulation

机译:葛根素促进了类固醇诱导的兔股骨头坏死的骨质发生和通过miR-34a上调的类固醇诱导的骨细胞的骨质发生

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摘要

The present study investigated the effect of puerarin on promoting the osteogenesis in steroid-induced necrosis of the femoral head (SONFH). New Zealand rabbits were administrated with horse serum and methylprednisolone (MPS) for establishing SONFH in vivo model, which was then treated with puerarin treatment. Histomorphological changes in the femoral head were examined by hematoxylin-eosin staining. Osteoblasts were isolated from healthy rabbits and treated by individual or combined administration of dexamethasone and puerarin. Osteoblast viability was measured by CCK-8 assay. Mineralized nodule formation was evaluated by alizarin red assay. Expressions of RUNX family transcription factor 2 (RUNX2), Type-I collagen alpha 1 (COL1A1), ALP and miR-34a in the femoral head were determined by qRT-PCR and Western blot. Puerarin attenuated the effect of SONFH on promoting histopathological abnormalities and counteracted SONFH inhibition on the expressions of ALP, RUNX2, COL1A1 and miR-34a in the rabbits. Rabbit osteoblasts were successfully isolated, as they showed red mineralized nodules. Dexamethasone exposure decreased osteoblast viability, which was increased by puerarin treatment. Furthermore, puerarin treatment attenuated dexamethasone-induced inhibition on the viability, osteoblastic differentiation, and the expressions of ALP, RUNX2, COL1A1 and miR-34a in the osteoblasts. Puerarin facilitated osteogenesis of steroid-induced necrosis of rabbit femoral head and osteogenesis of steroid-induced osteocytes via miR-34a upregulation.
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著录项

  • 来源
    《Cytokine》 |2021年第1期|共7页
  • 作者单位

    Qiqihar Med Univ Dept 5 Orthoped Surg Affiliated Hosp 3 27 Taishun St Qiqihar 161099;

    Southern Med Univ Qiqihar Hosp Hosp Qiqihar 1 Dept Pathol Qiqihar Heilongjiang Peoples R China;

    Qiqihar Med Univ Dept 5 Orthoped Surg Affiliated Hosp 3 27 Taishun St Qiqihar 161099;

    Qiqihar Med Univ Dept 5 Orthoped Surg Affiliated Hosp 3 27 Taishun St Qiqihar 161099;

    Qiqihar Med Univ Dept 5 Orthoped Surg Affiliated Hosp 3 27 Taishun St Qiqihar 161099;

    Qiqihar Med Univ Dept 5 Orthoped Surg Affiliated Hosp 3 27 Taishun St Qiqihar 161099;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 细胞生物学;
  • 关键词

    Puerarin; Steroid-induced necrosis of the femoral head; Osteogenesis; Osteoblasts; miR-34a;

    机译:葛根素;类固醇诱导的股骨头坏死;成骨;成骨细胞;mir-34a;

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