[长期太空飞行对大鼠大脑多胺水平的影响]
[Effect of long-term space flight on polyamine levels in the rat brain].
作者信息
Tigranian R A, Kovalev V Iu
出版信息
Kosm Biol Aviakosm Med. 1986 May-Jun;20(3):53-7.
PMID:3736007
Abstract
The concentration of polyamines, i.e. putrescine, spermidine and spermine, was measured in different brain compartments of rats flown for 18.5 days on Cosmos-1129. Exposure to space flight led to changes in the polyamine content that were most distinct in medulla oblongata. It is suggested that the changes develop as a result of a chronic stress associated with the effects of weightlessness.
摘要
在乘坐“宇宙-1129”号飞行18.5天的大鼠的不同脑区中，测定了多胺（即腐胺、亚精胺和精胺）的浓度。太空飞行导致多胺含量发生变化，这种变化在延髓中最为明显。研究表明，这些变化是由与失重效应相关的慢性应激导致的。
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