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首页> 外文期刊>Neuroscience Letters: An International Multidisciplinary Journal Devoted to the Rapid Publication of Basic Research in the Brain Sciences >The effect of aging on the response of striatal preproenkephalin and preprotachykinin mRNA contents to chronic haloperidol treatment in rats: measurement by solution-hybridization RNase protection assay.
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The effect of aging on the response of striatal preproenkephalin and preprotachykinin mRNA contents to chronic haloperidol treatment in rats: measurement by solution-hybridization RNase protection assay.

机译:衰老对大鼠慢性氟哌啶醇治疗对纹状体前脑啡肽原和前速激肽mRNA含量的反应的影响:溶液杂交RNase保护试验的测量。

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摘要

The preproenkephalin (PPeK) and preprotachykinin (PPT) mRNA contents in 3-, 10- and 23-month-old rats in the striatum were measured by solution hybridization-RNase protection assay after 3 weeks of haloperidol injection. Haloperidol increased striatal PPek mRNA. There was no age-related difference in the response of striatal PPeK mRNA to chronic haloperidol treatment. The PPT mRNA decreased by 21% after the haloperidol treatment in young rats only. Meanwhile, age decreased the PPT mRNA by 27 and 24% in 10- and 23-month-old rats, respectively. It is concluded that there is a difference in the effects of aging on the response of PPek and PPT mRNA contents to haloperidol and that the loss of PPT mRNA response in 10- and 23-month-old rats might be due to the change of dopamine system of the striatum in these rats.
机译:氟哌啶醇注射3周后,通过溶液杂交-RNase保护法测定纹状体中3、10和23月龄大鼠的前脑啡肽原(PPeK)和前激肽释放素(PPT)mRNA含量。氟哌啶醇增加纹状体PPek mRNA。纹状体PPeK mRNA对慢性氟哌啶醇治疗的反应无年龄相关差异。氟哌啶醇处理后,仅在年轻大鼠中,PPT mRNA下降了21%。同时,年龄在10和23个月大的大鼠中分别使PPT mRNA降低27%和24%。结论:衰老对PPek和PPT mRNA含量对氟哌啶醇的反应有影响,并且在10和23个月大的大鼠中PPT mRNA反应的丧失可能是由于多巴胺的改变这些大鼠的纹状体系统。

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