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首页> 外文期刊>The European Journal of Neuroscience >Contrasting effects of basic fibroblast growth factor and epidermal growth factor on mouse neonatal olfactory mucosa cells.
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Contrasting effects of basic fibroblast growth factor and epidermal growth factor on mouse neonatal olfactory mucosa cells.

机译:碱性成纤维细胞生长因子和表皮生长因子对小鼠新生儿嗅粘膜细胞的对比作用。

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摘要

Basic fibroblast growth factor (bFGF) and epidermal growth factor (EGF) affect proliferation and survival of many cell types, but their role in the maintenance of olfactory mucosa cells remains unclear. In the neonatal mouse olfactory mucosa, cell proliferation mainly occurs in the neuroepithelium and, to a lesser extent, in the lamina propria. To establish whether bFGF and EGF affect proliferation and/or survival of these cells, we isolated olfactory mucosa cells from the neonatal mouse and cultured them as free-floating spheres under bFGF or EGF stimulation. Our data demonstrate that bFGF is a mitogen for the rapidly dividing cells (olfactory neuronal precursors and olfactory ensheathing cells), and also a survival factor for both slowly and rapidly dividing cells of the olfactory mucosa. In contrast, EGF appears to be primarily a survival factor for both the olfactory stem and precursor cells.
机译:碱性成纤维细胞生长因子(bFGF)和表皮生长因子(EGF)影响许多细胞类型的增殖和存活,但它们在嗅觉粘膜细胞维持中的作用仍不清楚。在新生小鼠的嗅觉粘膜中,细胞增殖主要发生在神经上皮中,并且在较小程度上发生在固有层中。为了确定bFGF和EGF是否影响这些细胞的增殖和/或存活,我们从新生小鼠中分离出了嗅粘膜细胞,并在bFGF或EGF刺激下将它们培养成自由漂浮的球体。我们的数据表明,bFGF是快速分裂的细胞(嗅觉神经元前体和嗅鞘细胞)的促分裂原,也是嗅觉黏膜的慢速分裂细胞和快速分裂细胞的存活因子。相反,EGF似乎主要是嗅干细胞和前体细胞的存活因子。

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