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Neuron-based high-content assay and screen for CNS active mitotherapeutics

机译:基于神经元的高含量测定和CNS活性抽查的筛选

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Impaired mitochondrial dynamics and function are hallmarks of many neurological and psychiatric disorders, but direct screens for mitotherapeutics using neurons have not been reported. We developed a multiplexed and high-content screening assay using primary neurons and identified 67 small-molecule modulators of neuronal mitostasis (MnMs). Most MnMs that increased mitochondrial content, length, and/or health also increased mitochondrial function without altering neurite outgrowth. A subset of MnMs protected mitochondria in primary neurons from Aβ(1–42) toxicity, glutamate toxicity, and increased oxidative stress. Some MnMs were shown to directly target mitochondria. The top MnM also increased the synaptic activity of hippocampal neurons and proved to be potent in vivo, increasing the respiration rate of brain mitochondria after administering the compound to mice. Our results offer a platform that directly queries mitostasis processes in neurons, a collection of small-molecule modulators of mitochondrial dynamics and function, and candidate molecules for mitotherapeutics.
机译:受损的线粒体动力学和功能是许多神经系统和精神病疾病的标志,但尚未报道使用神经元的解剖学的直接屏幕。我们使用初级神经元开发了多路复用和高含量的筛选测定,并确定了神经元模王(MNMS)的67个小分子调节剂。大多数MNMS增加线粒体含量,长度和/或健康也增加了线粒体功能,而不会改变神经突差异。来自Aβ(1-42)毒性,谷氨酸毒性和氧化应激增加的原代神经元中的MNMS保护线粒体。将一些MNM显示为直接靶向线粒体。顶部MNM还增加了海马神经元的突触活性,并证明在体内有效,增加脑线粒体施用化合物后的小鼠后的呼吸速率。我们的结果提供了一个平台,直接在神经元中询问拟模尺度过程,是线粒体动力学和功能的小分子调节剂的集合,以及用于抽毒治疗剂的候选分子。

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