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相关概念视频

Teratogenicity01:07

Teratogenicity

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The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein01:20

Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein

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Antiepileptic drugs, such as levetiracetam (Keppra) and brivaracetam (Briviact), have emerged as crucial tools in managing epilepsy. These medications exert their therapeutic effects by targeting the synaptic vesicle protein SV2A, a transmembrane glycoprotein primarily found in the brain.
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
445

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相关实验视频

Updated: Sep 9, 2025

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
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产前和产后暴露影响大脑发育

Michaela A Pettie1, Linda C M Wilkin-Krug2, Bart Ellenbroek3

  • 1Department of Pathology and Biomedical Science, Ōtākou Whakaihu Waka - University of Otago, Christchurch, New Zealand.

Current topics in behavioral neurosciences
|August 28, 2025
PubMed
概括

通过引起剂量依赖的大脑变化和行为改变,对动物的酸暴露模拟了自闭症谱系障碍 (ASD). 需要进一步的研究来提高这些动物模型的相关性.

关键词:
自闭症谱系障碍机车活动神经发育社会行为甲状腺致死性超声波发声瓦尔酸

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Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
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The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
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相关实验视频

Last Updated: Sep 9, 2025

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The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
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科学领域:

  • 神经科学
  • 发育生物学
  • 毒理学

背景情况:

  • 瓦尔酸 (VPA) 是一种已知的致病原体,对大脑发育有显著影响.
  • 动物模型对于理解药物诱导的神经发育效应和模拟自闭症谱系障碍 (ASD) 等人类疾病至关重要.

研究的目的:

  • 在动物模型中审查酸对大脑发育的影响.
  • 检查与VPA暴露相关的剂量依赖和时间相关的神经行为结果.
  • 评估VPA作为自闭症谱系障碍的动物模型的有用性和局限性.

主要方法:

  • 用暴露于酸的老鼠和小鼠进行的研究的系统审查.
  • 分析行为评估 (社会互动,运动活动) 和神经生物学变化 (海马,小脑).
  • 考虑不同的施用方法 (口服注射,腹腔内注射) 和动物菌株.

主要成果:

  • 在各种动物模型中,一致报告了行为变化,包括社会互动受损和运动活动变化.
  • 观察到与VPA暴露有关的神经元变化,特别是在海马和小脑.
  • 证据支持VPA暴露与神经发育结果之间的剂量依赖关系.

结论:

  • 动物的酸暴露有效地模拟了特定的自闭症谱系障碍类行为和神经生物学变化.
  • 了解VPA对神经发育的致病性影响至关重要.
  • 虽然有价值,但由于模型有效性的挑战,在将发现推断到人类条件上存在局限性.