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Human norepinephrine transporter gene

机译:人去甲肾上腺素转运蛋白基因

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Norepinephrine (NE) is a catecholamine neurotransmitter in postganglionic sympathetic nerves and within the central nervous system. In noradrenergic neurons, synaptic transmission includes three steps: release of NE into the synaptic cleft, interaction with a postsynaptic receptor, and subsequent removal from the cleft into pre-synaptic terminals or glial cells. This reaccumulation process is catalyzed by sodium-dependent NE transporter (NET). It is the initial site of action for therapeutic antidepressants and drugs such as cocaine and the amphetamines. NET had been studied pharmacologically and biochemically for a long time before a cDNA molecule encoding this transporter was cloned in 1991. Recently, researches on neurotransmitter transporters are concentrated on cloning and expressing of various cDNAs by methods of PCR, homology screening and expression cloning strategy. To learn the structure, function and regulation of transporters in the nervous system, we cloned and analysed genomic NET genes. This study indicates the unique characters of the biogenic amine transporters' subfamily.
机译:去甲肾上腺素(NE)是神经节后交感神经中和中枢神经系统中的儿茶酚胺神经递质。在去甲肾上腺素能神经元中,突触传递包括三个步骤:将NE释放到突触裂隙中,与突触后受体相互作用,随后从裂隙中移出到突触前末端或神经胶质细胞中。钠依赖性NE转运蛋白(NET)催化了这种重新积累过程。它是治疗性抗抑郁药和可卡因和苯丙胺类药物的最初作用部位。 NET在1991年克隆编码该转运蛋白的cDNA分子之前已经进行了长期的药理和生化研究。最近,神经递质转运蛋白的研究集中于通过PCR,同源性筛选和表达克隆策略的各种cDNA的克隆和表达。为了了解神经系统转运蛋白的结构,功能和调控,我们克隆并分析了基因组NET基因。这项研究表明了生物胺转运蛋白的亚家族的独特特征。

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