[大鼠心脏肌浆网脂质流动性的年龄特异性]
[Age specificity of lipid fluidity in the sarcoplasmic reticulum of the rat heart].
作者信息
Kol'torev V K, Gerasimovich N V, Kiriliuk A P, Miliutin A A, Romanov S A
出版信息
Biull Eksp Biol Med. 1989 Oct;108(10):433-5.
PMID:2597755
Abstract
The lipid fluidity in heart sarcoplasmic reticulum membranes prepared from adult (12 mo.) and old (24 mo.) rats has been measured by the fluorescence probe (DPPH) and spin probe (5NS) methods at 22 and 37 degrees C. The lipid fluidity in the old rat membranes is higher than that in the adult rat ones. It has been suggested that this difference is caused by age lowering in reliability of membrane fluidity stabilization systems.
摘要
通过荧光探针（DPPH）和自旋探针（5NS）方法，在22℃和37℃下测量了从成年（12个月）和老年（24个月）大鼠制备的心脏肌浆网膜中的脂质流动性。老年大鼠膜中的脂质流动性高于成年大鼠膜中的脂质流动性。有人认为，这种差异是由膜流动性稳定系统可靠性的年龄降低所导致的。
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