摘要
AIM: To observe the changes of enkephalin mRNA and prodynorphin mRNA in hippocampus of rats induced by chronic immobilization stress.METHODS: Thirty rats were randomly divided into three groups of 10 each: the normal control group (group A),the group induced by chronic immobilization stress for 7 d (group B) and the group induced by chronic immobilization stress for 21 d (group C). The changes of the enkephalin mRNA and prodynorphin mRNA in the rat hippocampus were detected by reverse transcription-polymerase chain reaction (RT-PCR).RESULTS: Expression levels of enkephalin mRNA and prodynorphin mRNA in rat hippocampus were significantly increased under chronic immobilization stress, and the expression of prodynorphin mRNA in the rat hippocampus in group C was remarkably higher than that in group B (0.624±0.026; n = 5; P<0.01).CONCLUSION: The increased enkephalin mRNA and prodynorphin mRNA gene expressions in rat hippocampus were involved in chronic stress.
AIM:To observe the changes of enkephalin mRNA and prodynorphin mRNA in hippocampus of rats induced by chronic immobilization stress. METHODS:Thirty rats were randomly divided into three groups of 10 each:the normal control group(group A), the group induced by chronic immobilization stress for 7 d (group B)and the group induced by chronic immobilization stress for 21 d(group C).The changes of the enkephalin mRNA and prodynorphin mRNA in the rat hippocampus were detected by reverse transcription-polymerase chain reaction(RT-PCR). RESULTS:Expression levels of enkephalin mRNA and prodynorphin mRNA in rat hippocampus were significantly increased under chronic immobilization stress,and the expression of proclynorphin mRNA in the rat hippocampus in group C was remarkably higher than that in group B (0.624+0.026;n=5;P<0.01). CONCLUSION:The increased enkephalin mRNA and prodynorphin mRNA gene expressions in rat hippocampus were involved in chronic stress,
基金
Supported by the National Natural Science Foundation of China,No.30000216,Teaching and Research Award Program for Outstanding Young Teachers in Higher Education Institutes of Ministry of Education,China,Foundation for the Authors of National Excelle
