共 5 条
骨胶原在骨质疏松中的作用
被引:18
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[1] 山东大学齐鲁医院骨创伤科
来源:
关键词:
骨质疏松;
Ⅰ型胶原;
骨密度;
生物力学;
D O I:
暂无
中图分类号:
R580 [];
学科分类号:
摘要:
目的探讨骨胶原含量在绝经后骨质疏松性骨折中的作用。方法取7月龄未交配雌性SD大鼠60只,随机分为假手术组;模型组;雌激素治疗组和降钙素治疗组。模型组和各治疗组通过去卵巢法12 w而成骨质疏松模型,分别测量腰5椎体的力学特性、右侧股骨三点弯曲实验、羟脯氨酸(HYP)含量、腰4椎骨密度(BMD)、骨小梁形态及骨胶原形态。结果各组在椎体HYP含量、骨生物力学、BMD、骨胶原染色含量及形态上不同。结论骨胶原含量的下降引起BMD降低及骨生物力学改变,从而导致骨质疏松,雌激素和降钙素不仅可以提高骨胶原的含量,从而提高BMD和骨生物力学性能。
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页码:2057 / 2059
页数:3
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