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Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition) ›› 2023, Vol. 09 ›› Issue (01): 23-27. doi: 10.3877/cma.j.issn.2096-0263.2023.01.005

• Osteoporosis • Previous Articles     Next Articles

The difference of anti-osteoporosis effect of Puerarin on different parts of bone in postmenopausal osteoporosis rats

Chengyu Qin, Haonan Zhou, Yuanming Chen()   

  1. Department of Orthopedics, The Second Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
    Ruikang Hospital Affiliated to Guangxi University of Traditional Medicine, Nanning 530011, China; Zhumadian Central Hospital, Zhumadian 463000, China
  • Received:2022-06-22 Online:2023-02-05 Published:2023-06-08
  • Contact: Yuanming Chen

Abstract:

Objective

This study aims to investigate the effect of Puerarin on bone mineral density in rats through animal experiments, and explore the diversity of anti-osteoporosis effect of puerarin in different parts of bones.

Methods

Bilateral ovariectomy was performed on 24 female SD rats to establish the postmenopausal osteoporosis model. After the rats were treated with puerarin, the changes of bone mineral density (BMD) were detected by dual energy X-ray absorption (DXA) in the 2nd, 4th, 8th and 12th weeks. The differences of BMD and bone mineral content (BMC) in different parts were compared. The effect of Puerarin on the microstructure of bone tissue was evaluated by observing tissue sections.

Results

The effect of Puerarin was the most significant in the 8th week since it was applied. After Puerarin Treatment, the BMD and BMC of cancellous bone such as distal femur and lumbar spine increased significantly, and bone trabeculae of treatment group were thicker and more in quantity, while there was little change in cortical bone such as middle femur.

Conclusion

Puerarin has a stronger anti-osteoporosis effect on cancellous bone than cortical bone in postmenopausal osteoporosis rats.

Key words: Puerarin, Postmenopausal osteoporosis, Bone mineral density

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