EFFECT OF CALCITONIN ON TOTAL-BODY BONE-MINERAL CONTENTS OF EXPERIMENTAL OSTEOPOROTIC RATS DETERMINED BY DUAL PHOTON-ABSORPTIOMETRY

被引:13
作者
NAKATSUKA, K [1 ]
NISHIZAWA, Y [1 ]
HAGIWARA, S [1 ]
KOYAMA, H [1 ]
MIKI, T [1 ]
OCHI, H [1 ]
MORII, H [1 ]
机构
[1] OSAKA CITY UNIV,SCH MED,DEPT RADIOL,OSAKA 545,JAPAN
关键词
Ash weight; Bone mineral; Calcitonin; Dual photon absorptiometry; Rat;
D O I
10.1007/BF02555890
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Total body bone mineral (TBBM) content in rats was measured by dual photon absorptiometry (DPA). TBBM showed significant increases over 4 weeks in control groups with significant bone loss over the same time in prednisolone-injected rats on low calcium feed. Daily injections of calcitonin significantly reduced loss of bone mass. Both prednisolone- and prednisolone-calcitonin-injected groups showed significantly elevated serum alkaline phosphatase with the prednisolone-calcitonin group also exhibiting elevated serum calcium and phosphate levels, confirming the impact of the experimental protocol. TBBM measured by DPA in all groups correlated well (r=0.928, P<0.001 n=20) with the total ash weight suggesting that the method reflects total skeletal mineral content in the small animal. TBBM measurement by DPA proves well-suited to monitoring bone mineral in a small animal experimental setting. © 1990 Springer-Verlag New York Inc.
引用
收藏
页码:378 / 382
页数:5
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