Neuronal-glial interactions: complexity of neurite outgrowth correlates with substrate adhesivity of serotonergic neurons.

Neuronal-glial interactions: complexity of neurite outgrowth correlates with substrate adhesivity of serotonergic neurons.
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神经元-胶质细胞相互作用:神经突生长的复杂性与血清素能神经元的基质粘附性相关。

DOI:
10.1002/glia.440030304
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发表时间:
1990
期刊:
影响因子:
6.2
通讯作者:
Lauder,JM
Lauder,JM
中科院分区:
医学1区
文献类型:
--
作者:
Lieth,E;McClay,DR;Lauder,JM

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为了研究已知递质表型的神经元与胶质或成纤维细胞来源的非神经细胞之间的相互作用,采用递质识别神经元的细胞黏附实验和免疫细胞化学染色的神经元形态计量学方法,检测了5-羟色胺能神经元在星形胶质细胞或成纤维细胞基质上的黏附强度和突起生长模式。与成纤维细胞相比,5-羟色胺神经元在星形胶质细胞基质上的黏附强度以及突起生长的速度和复杂性都明显更大。这些结果表明,5-羟色胺神经元可以通过细胞表面决定因素选择性地与神经胶质细胞相互作用,这一过程可能对复杂的(树突样)神经丛的发育起重要作用。这项研究开发的方法将有助于未来研究在胚胎大脑个体发育过程中递质识别的神经元和神经胶质细胞之间的相互作用。
To study the interactions between neurons of known transmitter phenotype and non‐neuronal cells of glial or fibroblastic origin, serotonergic (5‐HT) neurons were tested for their strength of adhesion and neurite outgrowth patterns on substrates of astrocytes or fibroblasts using a cell adhesion assay for transmitter‐identified neurons, and morphometry of immunocytochemically stained neurons in dissociated cell cultures. Both the strength of adhesion and the rate and complexity of neurite outgrowth by 5‐HT neurons were significantly greater on substrates of astrocytes compared to fibroblasts. These results provide evidence that 5‐HT neurons can interact selectively with glia via cell surface determinants, and that this process may be important for the development of complex (dendrite‐like) neuritic arbors. The methods developed in this study will be useful for future studies of interactions between transmitter‐identified neurons and glial cells during ontogeny of the embryonic brain.
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