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논문 기본 정보

자료유형
학술저널
저자정보
Ryu, Dalsung (Department of Neurosurgery, Inha University College of Medicine) Yoon, Byung-Hak (Protein Engineering Laboratory, joint Center for Biosciences at Songdo Global University) Oh, Chang-Hyun (Department of Neurosurgery, Inha University College of Medicine) Kim, Moon-Hang (Department of Physiology, Inha University College of Medicine) Kim, Ji-Yong (Department of Neurosurgery, Inha University College of Medicine) Yoon, Seung Hwan (Department of Neurosurgery, Inha University College of Medicine) Choe, Senyon (Protein Engineering Laboratory, joint Center for Biosciences at Songdo Global University)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제61권 제6호
발행연도
2018.1
수록면
669 - 679 (11page)

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Objective : To compare the spinal bone fusion properties of activin A/BMP2 chimera (AB204) with recombinant human bone morphogenetic protein (rhBMP2) using a rat posterolateral spinal fusion model. Methods : The study was designed to compare the effects and property at different dosages of AB204 and rhBMP2 on spinal bone fusion. Sixty-one male Sprague-Dawley rats underwent posterolateral lumbar spinal fusion using one of nine treatments during the study, that is, sham; osteon only; $3.0{\mu}g$, $6.0{\mu}g$, or $10.0{\mu}g$ of rhBMP2 with osteon; and $1.0{\mu}g$, $3.0{\mu}g$, $6.0{\mu}g$, or $10.0{\mu}g$ of AB204 with osteon. The effects and property on spinal bone fusion was calculated at 4 and 8 weeks after treatment using the scores of physical palpation, simple radiograph, micro-computed tomography, and immunohistochemistry. Results : Bone fusion scores were significantly higher for $10.0{\mu}g$ AB204 and $10.0{\mu}g$ rhBMP2 than for osteon only or $1.0{\mu}g$ AB204. AB204 exhibited more prolonged osteoblastic activity than rhBMP2. Bone fusion properties of AB204 were similar with the properties of rhBMP2 at doses of 6.0 and $10.0{\mu}g$, but, the properties of AB204 at doses of $3.0{\mu}g$ exhibited better than the properties of rhBMP2 at doses of $3.0{\mu}g$. Conclusion : AB204 chimeras could to be more potent for treating spinal bone fusion than rhBMP2 substitutes with increased osteoblastic activity for over a longer period.

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