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Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) ›› 2019, Vol. 05 ›› Issue (04): 211-216. doi: 10.3877/cma.j.issn.2096-0263.2019.04.006

Special Issue:

• Osteoporosis • Previous Articles     Next Articles

Effect of bone marrow stromal cells transferred with sonic hedgehog gene on osteoporosis in ovariectomized rats

Yijia Jia1, Chunshan Luo1,(), Tingsheng Lu1, Shudan Yao1, Xingwei Pu1, Jianwen Yang1, Qiling Chen1   

  1. 1. Department of spine surgery, Guizhou Province Osteological Hospital, Guiyang 550002, China
  • Received:2018-12-16 Online:2019-08-05 Published:2019-08-05
  • Contact: Chunshan Luo

Abstract:

Objective

To research the effect of bone marrow stromal cells transferred with sonic hedgehog gene (Shh-BMSCs) transplantation about osteoporosis in ovariectomized rats.

Methods

Forty female SD rats were divided into control group, model group, bone marrow stem cells (BMSCs) transplantation group and bone marrow stromal cells transferred with sonic hedgehog gene (Shh-MSCs) transplantation group, each group has ten animals. Rats in control group were only removed adipose tissue around the ovaries, not their ovaries. The rest of the three groups were performed bilateral ovariectomy, and osteoporosis model was established. Two months after modeling, rats in the BMSCs or Shh-BMSCs transplantation group were respectively given BMSCs or Shh-BM SCs via the rat tail intravenous (fourth generation, about 2*106 stem cells), and the same amount of PBS was injected in the model group. Two weeks after treatment, levels of serum calcium, phosphorus, alkaline phosphatase were detected in rats, and bone mineral density was measured using dual energy X-ray, at the same timetibial form metrology was analyzed by micro -CT scan.

Results

(1) Compared with the control group, the bone trabecular thickness, trabecular bone quantity and bone volume fraction were significantly decreased in the model group (P<0.05). There was a significant reduction in the bone mineral density of the rat femur, lumbar spine and whole body as well as the levels of serum calcium and alkaline phosphatase, however the phosphorus was increased significantly (P<0.05). These findings indicate the successful preparation of the ostesporosis rat model. (2) Compared with the ovariedomized group, the levels of serum calcium and alkaline phosphatase were significantly higher in the BMSCs group, however the phosphorus was decreased significantly (P<0.05). Compared with the ovariedomized and BMSCs groups, the levels of serum calcium and alkaline phosphatase were significantly higher in the Shh-BMSCs group, however the phosphorus was decreased significantly (P<0.05). (3) Compared with the ovariedomized group, the bone mineral density of the rat femur, lumbar spine or whole body was significantly higher in the BMSCs group(P<0.05). Compared with the ovariedomized and BMSCs groups, the bone mineral density of the rat femur, lumbar spine or whole body was significantly higher in the Shh-BMSCs group(P<0.05). (4) Compared with the ovariedomized group, the number and thickness of trabeculae and bone volume fraclio was significantly higher in the BMSCs group(P<0.05). Compared with the ovariedomized and BMSCs groups, the number and thickness of trabeculae and bone volume fraclio was significantly higher in the Shh-BMSCs group(P<0.05).

Conclusion

Shh-BMSCs exerts therapeutic effects on osteoporosis in ovariectomized rats.

Key words: Marrow stromal cells, Sonic hedgehog protein, rat, Osteoporosis, Cell transplantaion

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