Scorpion peptide margatoxin with immunosuppressant activity
    3.
    发明授权
    Scorpion peptide margatoxin with immunosuppressant activity 失效
    蝎肽百草枯毒素具有免疫抑制活性

    公开(公告)号:US5494895A

    公开(公告)日:1996-02-27

    申请号:US96942

    申请日:1993-07-22

    摘要: A thirty-nine amino acid peptide, Margatoxin (MgTX), is purified to homogeneity from venom of the scorpion Centruroides margaritatus. The gene encoding MgTX is constructed and this gene is expressed in E. coli, to produce recombinant MgTX. MgTX is a potent and selective inhibitor of a voltage-dependent K.sup.+ channel present in human lymphocytes. MgTX exhibits immunosuppressant activity with human T-lymphocytes, and is useful as an immunosuppressant, in modeling nonpeptidyl K.sup.+ channel blockers, and in establishing biochemical assays based on ligand binding or other protocols with which to screen for other novel modulators of voltage dependent K.sup.+ channels in lymphocytes and other tissues including the brain. As an immunosuppressant, MgTX is useful in the treatment of autoimmune diseases, the prevention of rejection of foreign organ transplants and/or related afflictions, diseases and illnesses.

    摘要翻译: 将三十九种氨基酸肽,麦角​​毒素(MgTX)从蝎子中心的毒液中纯化至均质。 构建编码MgTX的基因,该基因在大肠杆菌中表达,产生重组MgTX。 MgTX是存在于人淋巴细胞中的电压依赖性K +通道的有效和选择性抑制剂。 MgTX与人T淋巴细胞呈现免疫抑制活性,并且可用作免疫抑制剂,用于建模非肽基K +通道阻滞剂,以及建立基于配体结合或其他方案的生物化学测定法,以筛选其他新型电压依赖性K +通道调节剂 淋巴细胞和其他组织,包括脑。 作为免疫抑制剂,MgTX可用于治疗自身免疫疾病,预防外来器官移植排斥和/或相关疾病,疾病和疾病。