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CELL:遗传性精神分裂症认知功能障碍的长期改善

2019-08-31 海北 MedSci原创

尽管致敏过程发生得更早,但精神分裂症在年轻的成年期被诊断出来,这表明它可能涉及在易感个体的晚期大脑发育期间的病理转变。

尽管致敏过程发生得更早,但精神分裂症在年轻的成年期被诊断出来,这表明它可能涉及在易感个体的晚期大脑发育期间的病理转变。

小白蛋白(PV)中间神经元改变已被注意到,但它们在该疾病中的作用尚不清楚。

最近,研究人员证明,成人LgDel +/-小鼠,一种精神分裂症的遗传模型,表现出PV神经元低补充和相关的慢性PV神经元可塑性,以及网络和认知缺陷。

所有这些缺陷都可以通过PV神经元的化学激活或D2R拮抗剂治疗永久性地挽救,特别是在青春期晚期敏感时间窗期间的腹侧海马(vH)或内侧 - 前额叶皮质中。 

PV神经元改变最初局限于海马CA1 / subiculum,在那里它们对青春期后期的治疗有反应。

因此,在青春期后期的敏感时间窗期间,通过支持vH-mPFC PV网络功能的治疗可以预防精神分裂症模型小鼠的疾病进展,提示预防精神分裂症爆发的治疗策略。


原始出处:

Arghya Mukherjee et al. Long-Lasting Rescue of Network and Cognitive Dysfunction in a Genetic Schizophrenia Model. Cell, 2019; DOI: https://doi.org/10.1016/j.cell.2019.07.023


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