Prepulse inhibition and genetic mouse models of schizophrenia.

Prepulse inhibition and genetic mouse models of schizophrenia.
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精神分裂症的抑制和遗传小鼠模型。

DOI:
10.1016/j.bbr.2009.04.021
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发表时间:
2009-12-07
影响因子:
2.7
通讯作者:
Geyer, Mark A.
Geyer, Mark A.
中科院分区:
心理学3区
文献类型:
--
作者:
Powell, Susan B.;Zhou, Xianjin;Geyer, Mark A.

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与精神分裂症相关的突变小鼠模型主要基于精神分裂症的病理生理学、抗精神病药物的已知作用和精神分裂症的候选基因。精神分裂症患者的感觉运动门控缺陷,作为指标的惊吓前脉冲抑制(PPI)的措施,已得到很好的表征,并建议在人类遗传学研究中作为一个有用的内表型,以满足标准。PPI指的是一个非惊人的“前脉冲”抑制响应随后的惊人刺激或“脉冲”的能力。由于PPI的跨物种性质,它主要用于药理学动物模型,以筛选推定的抗精神病药物。随着分子遗传学技术在过去15年中的发展,PPI已成为用于评估精神分裂症相关遗传小鼠模型的表型。在这篇综述中,我们提供了一个选择性的概述PPI在精神分裂症的小鼠模型中的使用,并讨论了PPI作为一种表型的遗传小鼠模型的背景下的贡献和有用性。为此,我们讨论了突变小鼠产生,以解决有关精神分裂症和候选基因的病理生理学的假设(即,假设驱动)。我们还简要讨论了PPI在表型驱动方法中的有用性,其中PPI表型可以导致“自下而上”的方法来鉴定与PPI相关的新基因(即,假设生成)。
Mutant mouse models related to schizophrenia have been based primarily on the pathophysiology of schizophrenia, the known effects of antipsychotic drugs, and candidate genes for schizophrenia. Sensorimotor gating deficits in schizophrenia patients, as indexed by measures of prepulse inhibition of startle (PPI), have been well characterized and suggested to meet the criteria as a useful endophenotype in human genetic studies. PPI refers to the ability of a non-startling “prepulse” to inhibit responding to the subsequent startling stimulus or “pulse.” Because of the cross-species nature of PPI, it has been used primarily in pharmacological animal models to screen putative antipsychotic medications. As techniques in molecular genetics have progressed over the past 15 years, PPI has emerged as a phenotype used in assessing genetic mouse models of relevance to schizophrenia. In this review, we provide a selected overview of the use of PPI in mouse models of schizophrenia and discuss the contribution and usefulness of PPI as a phenotype in the context of genetic mouse models. To that end, we discuss mutant mice generated to address hypotheses regarding the pathophysiology of schizophrenia and candidate genes (i.e., hypothesis-driven). We also briefly discuss the usefulness of PPI in phenotype-driven approaches in which a PPI phenotype could lead to “bottom up” approaches of identifying novel genes of relevance to PPI (i.e., hypothesis-generating).
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发表时间: 2004-03-01
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影响因子: 3.4
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