Pharmacological perturbation reveals deficits in D2 receptor responses in Thap1 null mice.

Pharmacological perturbation reveals deficits in D2 receptor responses in Thap1 null mice.
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DOI:
10.1002/acn3.51481
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发表时间:
2021-12
影响因子:
5.3
通讯作者:
Opal P
Opal P
中科院分区:
医学2区
文献类型:
--
作者:
Frederick NM;Pooler MM;Shah P;Didonna A;Opal P

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原发性肌张力障碍DYT6由转录因子Thanatos相关蛋白1 (THAP1)突变引起。为了了解THAP1的功能,我们制造了神经系统中缺乏THAP1的小鼠。THAP1缺失导致与转录变化相关的运动缺陷。由于许多基因失调涉及多巴胺能信号传导,我们从药理学上挑战了两种纹状体规范多巴胺途径:直接的,由D1受体调节,间接的,由D2受体调节。我们发现,耗尽THAP1特异性地干扰D2受体反应,指出DYT6中间接途径的选择性错误调控,这对发病机制和治疗有影响。
The primary dystonia DYT6 is caused by mutations in the transcription factor Thanatos‐associated protein 1 (THAP1). To understand THAP1’s functions, we generated mice lacking THAP1 in the nervous system. THAP1 loss causes locomotor deficits associated with transcriptional changes. Since many of the genes misregulated involve dopaminergic signaling, we pharmacologically challenged the two striatal canonical dopamine pathways: the direct, regulated by the D1 receptor, and the indirect, regulated by the D2 receptor. We discovered that depleting THAP1 specifically interferes with the D2 receptor responses, pointing to a selective misregulation of the indirect pathway in DYT6 with implications for pathogenesis and treatment.
DOI: 10.1016/s1474-4422(09)70083-3
发表时间: 2009-05-01
期刊: LANCET NEUROLOGY
影响因子: 48
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