The laser lesion of the mouse visual cortex as a model to study neural extracellular matrix remodeling during degeneration, regeneration and plasticity of the CNS

The laser lesion of the mouse visual cortex as a model to study neural extracellular matrix remodeling during degeneration, regeneration and plasticity of the CNS
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以小鼠视觉皮层激光损伤为模型研究中枢神经系统变性、再生和可塑过程中神经细胞外基质重塑

DOI:
10.1007/s00441-011-1313-4
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发表时间:
2012
影响因子:
3.6
通讯作者:
Faissner A.
Faissner A.
中科院分区:
生物学3区
文献类型:
--
作者:
Roll L;Mittmann T;Eysel UT;Faissner A.

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CNS损伤通常导致功能受损,因为哺乳动物的成年CNS的再生差。已经描述了各种病变模型,用于进一步理解受损组织的病理生理学。再生失败的主要原因是表达过多细胞外基质分子的胶质瘢痕。其中一些被认为是轴突生长和再生的抑制剂。皮质的激光损伤提供了一个优点,即限定能量的限定损伤可以通过完整的硬脑膜和颅骨的薄钻孔湿半透明残留物非侵入性地输送到皮质。以前,我们已经表明,不同的ECM是上调的激光损伤在大鼠视觉皮层的半影区。我们建议将该模型转移到小鼠,鉴于在这种小型啮齿动物中存在大量遗传模型。在这里,我们讨论这个模型和病变相关的ECM,形成我们的分析重点。
CNS lesions generally result in impaired function because regeneration of the adult CNS of mammals is poor. A variety of lesion models has been described that serve to further the understanding of the pathophysiology of the damaged tissue. A central cause of aborted regeneration is the glial scar that expresses a plethora of extracellular matrix molecules. Some of these are considered inhibitors of axon growth and regeneration. The laser lesion of the cortex offers the advantage that a circumscribed lesion of defined energy can be delivered to the cortex non-invasively through the intact dura mater and a thinly drilled wet translucent remnant of the skull. Previously, we have shown that distinct ECM is up-regulated in the penumbra of laser lesions in the rat visual cortex. We propose to transfer this model to the mouse, in view of the availability of a large number of genetical models in this small rodent. Here, we discuss this model and the lesion-related ECM that forms the focus of our analysis.
DOI: --
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