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What neurons tell themselves: autocrine signals play essential roles in neuronal development and function

机译:神经元告诉自己:自主信号在神经元发展和功能中起重要作用

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摘要

Although retrograde neurotrophin signaling has provided an immensely influential paradigm for understanding growth factor signaling in the nervous system, recent studies indicate that growth factors also signal via cell-autonomous, or autocrine, mechanisms. Autocrine signals have been discovered in many neuronal contexts, providing insights into their regulation and function. The growing realization of the importance of cell-autonomous signaling stems from advances in both conditional genetic approaches and in sophisticated analyses of growth factor dynamics, which combine to enable rigorousin vivodissection of signaling pathways. Here we review recent studies defining autocrine roles for growth factors such as BDNF, and classical morphogens, including Wnts and BMPs, in regulating neuronal development and plasticity. Collectively, these studies highlight an intimate relationship between activity-dependent autocrine signaling and synaptic plasticity, and further suggest a common principle for coordinating paracrine and autocrine signaling in the nervous system.
机译:虽然逆行神经营养蛋白信号传导为理解神经系统中的生长因子信号传导提供了一个绝对影响的范例,但最近的研究表明生长因子也通过细胞自主或自治机制来信号。在许多神经元环境中发现了自分泌信号,提供了对其调节和功能的见解。越来越多地实现细胞 - 自主信号传导源于条件遗传方法的进步以及生长因子动力学的复杂分析中的重要性,其结合起来能够使信号传导途径的严格诱导。在这里,我们审查最近的研究,定义了对BDNF和古典的形态学,包括WNT和BMP等生长因子的自治区,包括治疗神经元发展和可塑性。总的来说,这些研究突出了活性依赖性自分泌信号和突触可塑性之间的亲密关系,并进一步提出了协调神经系统中的邻静脉和自分泌信号的共同原理。

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