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首页> 美国政府科技报告 >Neuronal Functions Associated with Endo- and Exocytotic Events-cum-Molecular Trafficking May Be Cell Maturation-Dependent: Lessons Learned from Studies on Botulism.
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Neuronal Functions Associated with Endo- and Exocytotic Events-cum-Molecular Trafficking May Be Cell Maturation-Dependent: Lessons Learned from Studies on Botulism.

机译：与内吞和胞吐事件相关的神经元功能 - 暨 - 分子贩运可能是细胞成熟依赖性：从肉毒杆菌研究中吸取的教训。

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摘要

The passion in the scientific endeavors of Marshall Warren Nirenberg had been his quest for knowledge regarding the storage, retrieval, and processing of information in the cell. After deciphering the genetic code for which he shared the Nobel Prize in Physiology and Medicine in 1968, Nirenberg devoted his attention to unraveling the mysteries in the most complex cellular organization in the body, i.e., the nervous system, especially those governing neuronal development, plasticity, and synaptogenesis. During the tenure of the primary author (RR) as a postdoctoral Staff Fellow in the Nirenberg laboratory in the late seventies to early eighties, he had the opportunity of working on projects related to what Nirenberg used to broadly define as the synaptic code. The major aspects of these projects dealt with the functional macromolecules relevant to neuronal growth, organization, lineage, selectivity, stabilization, synaptogenesis, and functions such as neuroexocytosis. This author's emphasis was particularly on voltage-gated calcium channels that regulate stimulus-induced neurotransmitter release. One central as well as crucial theme in these studies was the fact that the neurons had to be mature and differentiated in order to study these entities (Science 222: 794 799, 1983; Cold Spring Harb Symp Quant Biol 48: 707 715, 1983). In this communication, we illustrate how did this basic knowledge, i.e., cell maturation-dependent properties being essential for neuronal functions, led to a successful experimental design and demonstration of the validity of the targeted neurologic therapeutic delivery approach based on recombinant botulinum toxin serotype A (BoNT/A) heavy chain (rHC) serving as a neuron-specific targeting molecule.

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