老年性骨质疏松和瘦素的相关性研究进展

被引:14
作者
孙喜凤
梁杰
机构
[1] 新疆医科大学第一附属医院干部综合内科
关键词
老年性骨质疏松; 瘦素; 骨量; 骨代谢; 瘦素抵抗;
D O I
暂无
中图分类号
R580 [];
学科分类号
摘要
骨质疏松(osteoporosis,OP)是一种以骨量减少,骨的微细结构破坏为特征的全身代谢性骨骼疾病。瘦素(Leptin,Lep)是由脂肪细胞分泌的一种肽类激素,对骨量正面和负面都有影响,并对骨代谢发挥调节作用。在体外,Lep可调节成骨细胞的增殖,抑制成骨细胞依赖的破骨细胞的重吸收;在体内主要是负面作用,Lep抑制脑干中5-羟色胺(5-hydroxy tryptamine,5-ht)的合成,增加交感神经信号由下丘脑到骨的输出。但临床试验中关于Lep与老年性OP之间的相关性和Lep在中枢神经系统、外周组织中的作用及存在的问题尚未明确,文中就Lep与老年性OP的相关性最新研究进展作一综述。
引用
收藏
页码:669 / 672
页数:4
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