论文部分内容阅读
以放射免疫法测定了在噪声(115dB·3小时)刺激后,大鼠不同脑区脑啡肽含量的变化。结果表明:丘脑、下丘脑及中脑的甲-脑啡肽含量明显下降;皮层的亮-脑啡肽含量明显下降,而丘脑、下丘脑的亮-脑啡肽含量明显上升。噪声刺激后大鼠不同脑区甲-脑啡肽和亮-脑啡肽含量的变化表明内源性吗啡样物质可能与噪声对生物体的致害作用有关。
The changes of enkephalins in different brain regions of rats were measured by radioimmunoassay after noise (115dB · 3h). The results showed that the content of a-enkephalin in the thalamus, hypothalamus and midbrain was significantly decreased; the content of bright enkephalin in the cortex decreased significantly; while the content of bright enkephalin in the thalamus and hypothalamus was significantly increased. The changes of a-enkephalin and leu-enkephalin in different brain regions of rats after noise stimulation indicate that the endogenous morphine-like substance may be related to the lethal effect of noise on the organism.