Journal of Korean Neurosurgical Society

  • 제52권1호
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  • Pages.1-6
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  • 2012
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  • 2005-3711(pISSN)
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  • 1598-7876(eISSN)
대한신경외과학회 (The Korean Neurosurgical Society)
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Histomorphometric Analysis of the Spine and Femur in Ovariectomized Rats Using Micro-Computed Tomographic Scan

  • Shin, Yong-Hwan (Department of Neurosurgery, Wooridul Spine Hospital) ;
  • Cho, Dae-Chul (Department of Neurosurgery, Kyungpook National University) ;
  • Yu, Song-Hee (Department of Neurosurgery, Kyungpook National University) ;
  • Kim, Kyoung-Tae (Department of Neurosurgery, Kyungpook National University) ;
  • Cho, Hee-Jung (Department of Anatomy, School of Medicine, Kyungpook National University) ;
  • Sung, Joo-Kyung (Department of Neurosurgery, Kyungpook National University)
  • 투고 : 2012.01.06
  • 심사 : 2012.07.06
  • 발행 : 2012.07.28
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초록

Objective : The purpose of this study was to evaluate the different patterns of bone loss between the lumbar spine and the femur after ovariectomy in rats. Methods : Twenty-four female Sprague-Dawley rats underwent a sham operation (the sham group) or bilateral ovariectomy (the ovariectomized group). Four and eight weeks after operation, six rats from each of the two groups were euthanized. Serum biochemical markers of bone turnover including osteocalcin and alkaline phosphatase (ALP), which are sensitive biochemical markers of bone formation, and the telopeptide fragment of type I collagen C-terminus (CTX), which is a sensitive biochemical marker of bone resorption, were analyzed. Bone histomorphometric parameters of the 4th lumbar vertebrae and femur were determined by micro-computed tomography. Results : Ovariectomized rats were found to have higher osteocalcin, ALP and CTX levels than sham controls. Additionally, 8 weeks after ovariectomy in the OVX group, serum levels of osteocalcin, ALP and CTX were significantly higher than those of 4 weeks after ovariectomy. Bone loss after ovariectomy was more extensive in the 4th lumbar spine compared to the femur. Bone loss in the 4th lumbar spine was mainly caused by trabecular thinning, but in the femur, it was mainly caused by trabecular elimination. Conclusion : The present study demonstrates different patterns of bone loss between the 4th lumbar spine and the femur in ovariectomized rats. Therefore, when considering animal models of osteoporosis, it is important that bone sites should be taken into account.

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참고문헌

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  6. Longitudinal Use of Micro-computed Tomography Does Not Alter Microarchitecture of the Proximal Tibia in Sham or Ovariectomized Sprague-Dawley Rats vol.98, pp.6, 2016, https://doi.org/10.1007/s00223-016-0113-y
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  8. Does Panchatikta ghrita have anti-osteoporotic effect? Assessment in an experimental model in ovariectomized rats vol.12, pp.1, 2012, https://doi.org/10.1016/j.jaim.2019.04.006