Metabotropic glutamate receptor 2 and 3 gene expression in the human prefrontal cortex and mesencephalon in schizophrenia.

Metabotropic glutamate receptor 2 and 3 gene expression in the human prefrontal cortex and mesencephalon in schizophrenia.
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DOI:
10.1080/00207450802330702
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发表时间:
2008-11
期刊:
The International journal of neuroscience
影响因子:
--
通讯作者:
Akil M
Akil M
中科院分区:
其他
文献类型:
--
作者:
Ghose S;Crook JM;Bartus CL;Sherman TG;Herman MM;Hyde TM;Kleinman JE;Akil M

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第二类代谢性谷氨酸受体(mGluR2和mGluR3)与精神分裂症有关。我们鉴定了人类前额叶皮质(PFC)和中脑中的mGluR2,3,然后将精神分裂症患者与匹配的对照组进行了比较。在人脑中,这两种受体都在前额叶细胞中表达,与啮齿类动物不同,在多巴胺能细胞组中也有表达。在精神分裂症患者中,我们发现在PFC白质中mGluR2的mRNA水平显著升高。多巴胺能细胞中mGluR2,3的表达为谷氨酸调节人脑中的多巴胺释放提供了一种机制,这种物种特异性的差异对于理解精神分裂症的啮齿动物模型至关重要。
Group II metabotropic glutamate receptors (mGluR2 and mGluR3) are implicated in schizophrenia. We characterized mGluR2, 3 in the human prefrontal cortex (PFC) and mesencephalon then compared cases with schizophrenia to matched controls. In the human brain, both receptors were expressed in the PFC and, unlike the rodent, in dopaminergic cell groups. In schizophrenia, we found significantly higher levels of mGluR2 mRNA in the PFC white matter. The expression of mGluR2, 3 in dopaminergic cells provides a mechanism for glutamate to modulate dopamine release in the human brain and this species-specific difference is critical to understanding rodent models in schizophrenia.
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