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    • 4. 发明申请
    • Oxadiazole derivative compounds and drugs containing these compounds as the active ingredient
    • 恶二唑衍生物化合物和含有这些化合物作为活性成分的药物
    • US20040204368A1
    • 2004-10-14
    • US10479254
    • 2003-12-01
    • Kazuyuki OhmotoKazuhito Kawabata
    • A61K038/04C07K005/04
    • C07D271/113A61K38/00C07K5/06139
    • An oxadiazole derivative of formula (I) and a non-toxic salt thereof, 1 wherein all symbols have the same meaning as described in the specification. The compound of formula (I) has an inhibitory activity against cysteine protease and therefore it is useful as an agent for the prophylaxis and/or treatment of inflammatory diseases, diseases induced by apoptosis, diseases induced by disorders of immune responses, autoimmune diseases, diseases induced by decomposition of proteins which compose organism, shock, circulatory system disorders, blood coagulation system(s) disorders, malignant tumors, acquired immune deficiency syndrome (AIDS) and AIDS-related complex (ARC), parasitic diseases, nerve degeneration diseases, pulmonary disorders, bone resorption diseases, endocrinesthenia, etc.
    • 式(I)的恶二唑衍生物及其无毒盐,其中所有符号具有与说明书中所述相同的含义。 式(I)化合物对半胱氨酸蛋白酶具有抑制活性,因此可用作预防和/或治疗炎性疾病,由凋亡诱导的疾病,由免疫应答障碍引起的疾病,自身免疫性疾病,疾病 由构成生物的蛋白质,休克,循环系统疾病,凝血系统疾病,恶性肿瘤,获得性免疫缺陷综合征(AIDS)和AIDS相关综合征(ARC),寄生虫病,神经变性疾病,肺部 疾病,骨吸收疾病,内分泌等。
    • 5. 发明申请
    • PH-dependent polypeptide aggregation and its use
    • PH依赖多肽聚集及其应用
    • US20040192887A1
    • 2004-09-30
    • US10397059
    • 2003-03-25
    • Ralph Zahn
    • C07K016/00C12Q001/70G01N033/53C07K007/00C07K017/00A61K038/04C07K001/00C07K014/00C07K005/00
    • C07K14/47
    • The invention provides an alternative method of reversible aggregation and/or dissociation of polypeptides. Proteins or polypeptides according to the invention have an inherent aggregation capability, wherein the aggregation is an oligomerization of the polypeptide that is based on the presence and the strucuture of peptide repeats localized in a flexibly disordered domain of this polypeptide. The flexibly disordered domain comprising the peptide repeats preferrably is located in close proximity with the N-terminus of the protein amino acid sequence. Preferably, each of the peptide repeats has a sequence that comprises one to four identical octapeptides with the amino acid sequence: PHGGGWGQ. Preferred proteins are selected from the group comprising cellular prion proteins (PrPC) and engineered polypeptides or fusion proteins with a respective inherent reversible aggregation and dissociation capability. Because of the new mechanism of aggregation, the oligomerization reaction of the protein is reversible in a fluidic environment depending on the pH of this fluidic environment. Oligomerization occurs at a pH of 6.2 to 7.8, and the dissociation into monomers is reported to be at a pH range of 4.5 to 5.5. 1
    • 本发明提供了多肽的可逆聚集和/或解离的替代方法。 根据本发明的蛋白质或多肽具有固有的聚集能力,其中聚集是多肽的寡聚化,其基于定位于该多肽的柔性无序结构域中的肽重复序列的存在和结构。 优选地,包含肽重复序列的柔性无序结构域位于蛋白质氨基酸序列的N-末端附近。 优选地,每个肽重复序列具有包含1-4个与氨基酸序列PHGGGWGQ相同的八肽的序列。 优选的蛋白质选自包含细胞朊蛋白(PrP))和具有相应固有的可逆聚集和解离能力的工程改造的多肽或融合蛋白。 由于聚合的新机制,蛋白质的低聚反应在流体环境中是可逆的,这取决于该流体环境的pH。 低聚发生在6.2至7.8的pH下,据报导单体的解离在4.5至5.5的pH范围内。