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Nature:ISIS滥用的精神药物芬乙茶碱,现可使用"疫苗解剖法"中和

2017-08-17 佚名 Nature自然科研

本周《自然》发表的一项小鼠研究Vaccine-driven pharmacodynamic dissection and mitigation of fenethylline psychoactivity显示,疫苗可以缓解人造精神兴奋剂芬乙茶碱的上瘾效果,并能鉴定其具有活性的化学成分。过去,人们就一直在努力鉴定导致芬乙茶碱快速展现其显着精神活性特征的具体成分,但是它独特的化学复杂性致使这些努力收效

本周《自然》发表的一项小鼠研究Vaccine-driven pharmacodynamic dissection and mitigation of fenethylline psychoactivity显示,疫苗可以缓解人造精神兴奋剂芬乙茶碱的上瘾效果,并能鉴定其具有活性的化学成分。过去,人们就一直在努力鉴定导致芬乙茶碱快速展现其显着精神活性特征的具体成分,但是它独特的化学复杂性致使这些努力收效甚微。

芬乙茶碱的商品名为芬乃他林,与中东地区的药物滥用和“药物恐怖主义”有关联。据估计,沙特阿拉伯40%的12-22岁的吸毒者对芬乙茶碱上瘾。

美国斯克里普斯研究所的Kim Janda及同事制定了一种名为“DISSECTIV”的“疫苗解剖”法,即通过对芬乙茶碱内的不同成分注射疫苗来确定那些对该药物中哪些成分产生了特定的行为效果。这种方法鉴定出了茶碱(常用于治疗呼吸道疾病的药物)和兴奋剂苯丙胺之间的功能性协同是芬乙茶碱之所以能产生其明显效果的来源。

使用该方法向小鼠增量注射针对芬乙茶碱成分的疫苗,在研究的第0、14、28天,发现芬乙茶碱的药效减弱了。作者的研究结果表明,对含有多成分混合物的单一化学物质逐渐增量注射疫苗,可用于发现药物作用于多种靶点或疾病通路的特性。他们认为DISSECTIV可用于发掘药物中未识别出的活性化学物质,并能揭示不同的复合药物如何相互发生作用。

注射FEN-KLH半抗原疫苗会产生针对芬乙茶碱及其活性代谢物的抗体。

Wenthur et al.
原始出处:

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    2018-04-16 liye789132251
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    2018-01-16 zchen
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    2017-08-19 hbwxf
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