Lithium treatment and human hippocampal neurogenesis.

Lithium treatment and human hippocampal neurogenesis.
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锂处理与人海马神经发生。

DOI:
10.1038/s41398-021-01695-y
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发表时间:
2021-10-30
影响因子:
6.8
通讯作者:
Powell TR
Powell TR
中科院分区:
医学1区
文献类型:
--
作者:
Palmos AB;Duarte RRR;Smeeth DM;Hedges EC;Nixon DF;Thuret S;Powell TR

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锂是双相情感障碍的一线治疗药物,在那里它作为一种情绪稳定剂。虽然其确切的机制尚不清楚,但神经影像学研究表明,锂在海马体中积累,并且双相情感障碍患者中的长期使用与较大的海马体体积有关。在这里,我们测试了低(0.75 mM)和高(2.25 mM)剂量的锂对人海马祖细胞的慢性效应,并使用免疫细胞化学研究锂对神经发生相关细胞参数的影响。相应的RNA测序和基因集富集分析用于评估在我们的模型中受锂影响的基因是否与调节齿状回特定层体积的基因重叠。我们观察到,高剂量锂处理人海马祖细胞增加了成神经细胞(P ≤ 0.01)、神经元(P ≤ 0.01)和胶质细胞(P ≤ 0.001)的生成,以及调节齿状回分子层体积的基因表达。这项研究提供了经验支持,成年海马神经发生和胶质细胞生成的机制,可能有助于锂对人类海马体积的影响。
Lithium is a first-line treatment for bipolar disorder, where it acts as a mood-stabilizing agent. Although its precise mechanism remains unclear, neuroimaging studies have shown that lithium accumulates in the hippocampus and that chronic use amongst bipolar disorder patients is associated with larger hippocampal volumes. Here, we tested the chronic effects of low (0.75 mM) and high (2.25 mM) doses of lithium on human hippocampal progenitor cells and used immunocytochemistry to investigate the effects of lithium on cell parameters implicated in neurogenesis. Corresponding RNA-sequencing and gene-set enrichment analyses were used to evaluate whether genes affected by lithium in our model overlap with those regulating the volume of specific layers of the dentate gyrus. We observed that high-dose lithium treatment in human hippocampal progenitors increased the generation of neuroblasts (P ≤ 0.01), neurons (P ≤ 0.01), and glia (P ≤ 0.001), alongside the expression of genes, which regulate the volume of the molecular layer of the dentate gyrus. This study provides empirical support that adult hippocampal neurogenesis and gliogenesis are mechanisms that could contribute to the effects of lithium on human hippocampal volume.
DOI: 10.1038/mp.2015.227
发表时间: 2016-12
影响因子: 11
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DOI: 10.3389/fncel.2017.00024
发表时间: 2017
影响因子: 5.3
作者:
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通讯作者: Dimou L
DOI: 10.1038/mp.2011.26
发表时间: 2011-07
影响因子: 11
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DOI: 10.1002/ajmg.b.32532
发表时间: 2017-06
期刊: American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics
影响因子: --
作者:
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