ADAMTS18 Deficiency Affects Neuronal Morphogenesis and Reduces the Levels of Depression-like Behaviors in Mice.

ADAMTS18 Deficiency Affects Neuronal Morphogenesis and Reduces the Levels of Depression-like Behaviors in Mice.
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ADAMTS18 缺乏会影响小鼠神经元形态发生并降低抑郁样行为水平

DOI:
10.1016/j.neuroscience.2018.12.025
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发表时间:
2019-02-10
期刊:
影响因子:
3.3
通讯作者:
Zhang W
Zhang W
中科院分区:
医学3区
文献类型:
--
作者:
Zhu R;Pan YH;Sun L;Zhang T;Wang C;Ye S;Yang N;Lu T;Wisniewski T;Dang S;Zhang W

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ADAMTS(一种具有血小板反应蛋白基序的解整合素和金属蛋白酶)酶是分泌型多结构域基质相关锌金属内肽酶,可修饰细胞外基质成分并在发育和许多疾病中发挥关键作用。 ADAMTS18 是 ADAMTS 家族的成员,全基因组关联研究初步确定 ADAMTS18 与 72-74 岁健康人群的白质完整性相关。然而,ADAMTS18 在中枢神经系统中的潜在作用仍不清楚。在这项研究中,我们发现 Adamts18 mRNA 在发育中的大脑中高度丰富,特别是在小脑颗粒细胞层和海马齿状回 (DG) 颗粒细胞层中。 Adamts18 敲除 (KO) 小鼠在海马 DG 颗粒细胞上表现出更高的树突分支复杂性和棘密度。行为测试表明,与野生型(WT)同窝小鼠相比,Adamts18 KO 小鼠的抑郁样行为水平有所降低。神经突形成的增加可能部分归因于层粘连蛋白/PI3K/AKT/GSK-3β信号通路的激活导致塌陷蛋白反应介导蛋白2 (CRMP2)的磷酸化水平降低。我们的研究结果揭示了 ADAMTS18 在小鼠神经元形态发生和情绪控制中的关键作用。
The ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) enzymes are secreted, multi-domain matrix-associated zinc metalloendopeptidases that modify extracellular matrix components and play crucial roles in development and numerous diseases. ADAMTS18 is a member of the ADAMTS family, and genome-wide association studies made an initial association of ADAMTS18 with white matter integrity in healthy people of 72–74 years old. However, the potential roles of ADAMTS18 in central nervous system remain unclear. In this study, we showed that Adamts18 mRNA is highly abundant in developing brains, especially in the cerebellum granular cell layer and the hippocampus dentate gyrus (DG) granular cell layer. Adamts18 knockout (KO) mice displayed higher dendritic branching complexity and spine density on hippocampal DG granular cells. Behavioral tests showed that Adamts18 KO mice had reduced levels of depression-like behaviors compared to their wild-type (WT) littermates. The increased neurite formation could be attributed in part to reduced phosphorylation levels of the collapsin response mediator protein-2 (CRMP2) due to activation of the laminin/PI3K/AKT/GSK-3β signaling pathway. Our findings revealed a critical role of ADAMTS18 in neuronal morphogenesis and emotional control in mice.
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发表时间: 2013-01-28
影响因子: 3.7
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发表时间: 2012
期刊: PloS one
影响因子: 3.7
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DOI: 10.1073/pnas.0609307104
发表时间: 2007-03-06
影响因子: 11.1
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发表时间: 2005-01-14
期刊: CELL
影响因子: 64.5
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通讯作者: Kaibuchi, K