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Lineage Is a Poor Predictor of Interneuron Positioning within the Forebrain

机译:谱系是前脑中神经元定位的不良预测指标

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This Matters Arising Response paper addresses the Sultan et al. (2016) Matters Arising paper, published concurrently in Neuron. Clonally related excitatory neurons maintain a coherent relationship following their specification and migration. Whether cortical interneurons behave similarly is a fundamental question in developmental neuroscience. In Mayer et al. (2015), we reported that sibling interneurons disperse over several millimeters, across functional and anatomical boundaries. This finding demonstrated that clonality is not predictive of an interneuron's ultimate circuit specificity. Comparing the distribution of interneurons published in Mayer et al. to a random computer simulation, Sultan et al. suggest that clonally related interneurons are "not randomly dispersed." We argue that this comparison provides no insight into the influence of clonality on interneuron development because the entire population of cortical interneurons is "not randomly dispersed" in vivo. We find that the majority of cortical interneurons are similarly distributed whether or not they share a lineal relationship. Thus, at present there is no compelling evidence that clonality influences the position or function of interneurons.
机译:此问题引起回应的论文针对苏丹等人。 (2016)Matters Arising论文,同时发表在Neuron上。克隆相关的兴奋性神经元在其规范和迁移后保持一致的关系。皮质神经元是否行为类似是发育神经科学的基本问题。在梅耶尔等。 (2015年),我们报道了同胞间神经元跨越功能和解剖学边界分散数毫米。这一发现表明,克隆性不能预测中间神经元的最终回路特异性。比较梅耶尔等人发表的中间神经元分布。随机计算机模拟,苏丹等。提示与克隆相关的中间神经元“不是随机分散的”。我们认为这种比较没有提供关于克隆性对中间神经元发育的影响的见解,因为整个皮质中间神经元群体在体内不是“随机散布”的。我们发现,大多数皮质中间神经元是否共享线性关系都分布相似。因此,目前没有令人信服的证据表明克隆性影响中间神经元的位置或功能。

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