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    • 9. 发明授权
    • Copolymers for suppression of autoimmune diseases, and methods of use
    • 用于抑制自身免疫疾病的共聚物及其使用方法
    • US07381790B2
    • 2008-06-03
    • US10406783
    • 2003-04-03
    • Jack L. StromingerMasha Fridkis-Hareli
    • Jack L. StromingerMasha Fridkis-Hareli
    • A61K38/00A61K38/03A61K38/16A61K39/00C07K14/00
    • C07K14/001A61K38/02A61K38/2026A61K38/2066A61K38/215Y10S435/975A61K2300/00
    • Random three- and four-amino acid copolymers having lengths of 14-, 35- and 50-amino acid residues are provided. Fifty-mers of FEAK were effective inhibitors of MBP 85-99- or proteolipid protein (PLP) 40-60-specific HLA-DR-2-restricted T cell clones. These copolymers efficiently suppressed the mouse disease EAE, which was induced in a susceptible SJL/J (H-2S) strain of mice with either whole spinal cord homogenate (WSCH) or with the encephalitogenic epitope PLP 139-151 (SEQ ID NO:4). YFAK 50-mer having a molar ratio of about Y 0.8:F 0.2 inhibited binding of biotinylated MBP 85-99 epitope to HLA-DR-2 molecules more efficiently than either unlabeled MBP 85-99 or Copaxone®. YFAK and FAK copolymers efficiently suppressed EAE induced in SJL/J (H-2S) mice with the encephalitogenic epitope PLP 139-151. Copolymers YFAK, VYAK and tryptophan-containing VWAK were efficacious in alleviating severity and duration of symptoms of EAE induced by MBP 85-99 (SEQ ID NO:2), in a humanized mouse model expressing genes for both an HLA-DR-2 linked to multiple sclerosis (MS) in humans and for a T cell receptor from an MS patient.
    • 提供长度为14-,35-和50-氨基酸残基的随机三和四氨基酸共聚物。 FEAK的五十位是MBP 85-99或蛋白脂质蛋白(PLP)40-60特异性HLA-DR-2限制性T细胞克隆的有效抑制剂。 这些共聚物有效地抑制小鼠疾病EAE,其在具有全脊髓匀浆(WSCH)或与致脑炎表位PLP 139的小鼠的易感SJL / J(H-2)S )菌株中诱导 -151(SEQ ID NO:4)。 具有约Y 0.8:F 0.2的摩尔比的YFAK 50聚体比任何未标记的MBP 85-99或Copaxone更有效地抑制生物素化MBP 85-99表位与HLA-DR-2分子的结合。 YFAK和FAK共聚物有效地抑制了具有致脑炎表位PLP 139-151的SJL / J(H-2小鼠)小鼠诱导的EAE。 在表达HLA-DR-2连锁的基因的人源化小鼠模型中,共聚物YFAK,VYAK和含色氨酸的VWAK在减轻由MBP 85-99(SEQ ID NO:2)诱导的EAE症状的严重性和持续时间方面是有效的 到人的多发性硬化症(MS)和来自MS患者的T细胞受体。