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자료유형
학술저널
저자정보
Kentaro Ohuchi (Department of Orthopedic Surgery Akita University Graduate School of Medicine Hondo Japan) Naohisa Miyakoshi (Department of Orthopedic Surgery Akita University) Yuji Kasukawa (Department of Orthopedic Surgery Akita University) Toyohito Segawa (Department of Orthopedic Surgery Akita) Hayato Kinoshita (Department of Orthopedic Surgery Akita) Chie Sato (Department of Orthopedic Surgery Akita University) Masashi Fujii (Department of Orthopedic Surgery Akita University) Yoichi Shimada (Department of Orthopedic Surgery Akita)
저널정보
대한골다공증학회 Osteoporosis and Sarcopenia Osteoporosis and Sarcopenia Vol.5 No.4
발행연도
2019.1
수록면
109 - 115 (7page)

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Objectives: The purpose of this study is to evaluate the effects of teriparatide (TPTD) on bone mineral density (BMD), bone strength, and bone quality in Akita mouse models of diabetes mellitus. Methods: Twelve-week-old female Akita mice and control mice (C57/BL/6NCrSlc) were divided into 4 groups: control mice treated with vehicle (n ¼ 7) or TPTD (n ¼ 6); and Akita mice treated with vehicle (n ¼ 6) or TPTD (n ¼ 7). TPTD or vehicle was administered subcutaneously 3 times a week for 8 weeks. Blood glucose, serum sclerostin, total tibial BMD, femoral shaft bone strength, and bone quality using Fourier-transform infrared spectroscopy imaging were evaluated. Results: No significant differences in serum sclerostin levels were evident among these groups after 8 weeks of treatment. TPTD significantly increased BMD in control mice (þ12.7%, P ¼ 0.02) and Akita mice (þ29.2%, P ¼ 0.001) compared with vehicle. Maximum load and stiffness were significantly higher in Akita mice treated with TPTD than in Akita mice treated with vehicle (þ56.6%, P ¼ 0.03 and þ 90.5%, P ¼ 0.02, respectively). On Fourier-transform infrared spectroscopy imaging, the mineral/matrix ratio was significantly lower in Akita mice treated with vehicle than in control mice ( 12.2%, P ¼ 0.02), and TPTD treatment significantly increased the mineral/matrix ratio (P ¼ 0.003). Conclusions: TPTD thus improved BMD and bone strength in both control mice and Akita mice, with improvements in the mineral/matrix ratio among Akita mice.

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