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    • 2. 发明申请
    • Antibodies specific for native PrPSc
    • 针对天然PrPSc特异的抗体
    • US20050158803A1
    • 2005-07-21
    • US11027139
    • 2004-12-29
    • Stanley PrusinerR. WilliamsonDennis Burton
    • Stanley PrusinerR. WilliamsonDennis Burton
    • G01N33/53C07K16/18C07K16/44C12N5/10C12N15/02C12N15/09C12P21/08G01N33/569G01N33/68C07K16/42C07K16/40G01N33/567
    • C07K16/18C07K2317/55G01N33/56983G01N33/6896G01N2800/2828
    • Antibodies are disclosed which specifically bind to native PrPSc in situ. Preferred antibodies bind only to the native PrPSc of a particular species e.g., human, cow, sheep, pig, etc. Particularly preferred antibodies bind specifically to a particular isoform of human PrPSc. Preferred antibodies of the invention are (1) produced by phage display methodology, (2) bind specifically to native PrPSc, (3) neutralizes the infectivity of prions, (4) bind to PrPSc in situ and (5) bind 50% or more of PrPSc in a liquid flowable sample. Antibodies of the invention can be bound to a substrate and used to assay a sample (which has any PrPSc denatured via proteinase K) for the presence of PrPSc of a specific species which PrPSc is associated with disease. Antibodies which specifically bind to human PrPSc can be labeled and injected carrying out an in vivo diagnostic test to determine if the human is infected with prions associated with disease. The antibodies are preferably produced using phage display technology wherein the genetic material in the phage expressing the antibody is obtained from a mammal with an ablated endogenous PrP protein gene and an endogenous chimeric PrP gene which mammal had been inoculated with PrPSc to induce antibody production.
    • 公开了原位特异性结合天然PrP Sc的抗体。 优选的抗体仅结合特定种类例如人,牛,绵羊,猪等的天然PrP Sc。特别优选的抗体特异性结合人PrP < SUP>。 本发明优选的抗体是(1)通过噬菌体展示法产生,(2)特异性结合天然PrP ,(3)中和朊病毒感染性,(4)结合PrP < Sc(5)在液体可流动的样品中结合50%以上的PrP Sc 。 本发明的抗体可以与底物结合,并用于测定样品(其通过蛋白酶K变性的任何PrP Sc ),以获得特异性的PrP PrP Sc 与疾病相关的物种。 可以标记并注射与人PrP标准物质特异性结合的抗体进行体内诊断测试,以确定人是否感染与疾病相关的朊病毒。 优选使用噬菌体展示技术产生抗体,其中表达抗体的噬菌体中的遗传物质是从具有消融的内源性PrP蛋白基因的哺乳动物和内源性嵌合PrP基因获得的,哺乳动物已用PrP < SUP>以诱导抗体产生。
    • 7. 发明申请
    • Autoantibodies to glucose-6-phosphate isomerase and their participation in autoimmune disease
    • 葡萄糖-6-磷酸异构酶的自身抗体及其参与自身免疫性疾病
    • US20050080239A1
    • 2005-04-14
    • US10630009
    • 2003-07-29
    • Henrik DitzelDennis BurtonMonica Schaller
    • Henrik DitzelDennis BurtonMonica Schaller
    • C07K16/40
    • C07K16/40A61K2039/505C07K2317/21C07K2317/55
    • It has been discovered that one of the causes of human rheumatoid arthritis is an autoimmune reaction to human glucose-6-phosphate isomerase. While human glucose-6-phosphate isomerase is a normal constituent of living tissue, and the underlying reasons for the autoimmune reaction are not understood, this discovery enables effective treatment of the disease, especially when the human immune reaction is the primary cause of the rheumatoid arthritis. The human antibody, anti-glucose-6-phosphate isomerase IgG, can be used to develop immunopolypeptides having binding capacity with the antigen. Antibodies and antibody fragments to the antiglucose-6-phosphate isomerase IgG, antisense oligonucleotides, conjugates of human GPI with cytotoxic agents, immobilized human GPI may be used to ameliorate or eliminate the immune reaction. The peptide, nucleotide products as well as methods of diagnosis and treatment are provided.
    • 已经发现人类类风湿性关节炎的一个原因是对人类葡萄糖-6-磷酸异构酶的自身免疫反应。 虽然人类葡萄糖-6-磷酸异构酶是活组织的正常成分,并且自身免疫反应的根本原因尚不清楚,但是这种发现能够有效治疗疾病,特别是当人类免疫反应是类风湿病的主要原因时 关节炎。 人抗体,抗葡萄糖-6-磷酸异构酶IgG可用于开发与抗原具有结合能力的免疫多肽。 可以使用抗葡萄糖-6-磷酸异构酶IgG,反义寡核苷酸,人GPI与细胞毒性剂的缀合物,固定化的人GPI的抗体和抗体片段来改善或消除免疫反应。 提供了肽,核苷酸产物以及诊断和治疗方法。