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    • 22. 发明申请
    • PRODUCTION OF HOMOTRIMERIC FUSION PROTEINS
    • 共培养融合蛋白的生产
    • US20090192291A1
    • 2009-07-30
    • US12353713
    • 2009-01-14
    • James W. WestCameron S. BrandtStephen R. Jaspers
    • James W. WestCameron S. BrandtStephen R. Jaspers
    • C07K14/00
    • C07K14/47C07K14/705C07K14/70575C07K14/70578C07K14/78C07K2319/00C07K2319/03C12N15/62
    • The present invention provides method for producing trimeric tumor necrosis factor receptors that are potent inhibitors of their cognate ligands. More particularly, the present invention provides polypeptides that comprise: (1) an extracellular domain of the transmembrane activator and CAML (calcium-signal modulating cyclophilin ligand) interactor (TACI), and (2) a trimerizing polypeptide. Suitable TACI extracellular domains include: (1) amino acid residues 30 to 110 of SEQ ID NO:4, (2) amino acid residues 1 to 110 of SEQ ID NO:4, (3) amino acid residues 30 to 154 of SEQ ID NO:4, and (4) amino acid residues 1 to 154 of SEQ ID NO:4. Illustrative trimerizing polypeptides include a trimerizing fragment of Heat Shock Binding Protein-1. The present invention further provides homotrimeric complexes of fusion proteins comprising a TACI extracellular domain and a trimerizing polypeptide.
    • 本发明提供了产生三聚体肿瘤坏死因子受体的方法,所述三聚体肿瘤坏死因子受体是其相关配体的有效抑制剂。 更具体地,本发明提供多肽,其包含:(1)跨膜激活剂的胞外结构域和CAML(钙信号调节亲环蛋白配体)相互作用体(TACI),和(2)三聚体多肽。 合适的TACI细胞外结构域包括:(1)SEQ ID NO:4的氨基酸残基30至110,(2)SEQ ID NO:4的氨基酸残基1至110,(3)SEQ ID NO:4的氨基酸残基30至154 NO.4和(4)SEQ ID NO:4的氨基酸残基1至154。 示例性的三聚化多肽包括热休克结合蛋白-1的三聚体片段。 本发明还提供了包含TACI胞外域和三聚多肽的融合蛋白的同源三聚体。
    • 23. 发明申请
    • IL-21 ANTAGONISTS
    • IL-21拮抗剂
    • US20090075341A1
    • 2009-03-19
    • US12179003
    • 2008-07-24
    • Pallavur V. SivakumarStephen R. Jaspers
    • Pallavur V. SivakumarStephen R. Jaspers
    • C12P21/08C07K16/24C12N5/06
    • C07K16/244A61K39/3955A61K2039/505C07K2317/33C07K2317/34C07K2317/76C07K2319/30Y10S530/809
    • Monoclonal antibodies are identified that bind the IL-21 protein. These antibodies are used to identify regions of the IL-21 protein to where binding neutralizes IL-21 activity. Hybridomas and methods of producing anti-IL-21 monoclonal antibodies are described. The monoclonal antibodies are useful in treating IL-21-mediated diseases, which may include autoimmune and inflammatory diseases such as pancreatitis, type I diabetes (IDDM), Graves Disease, inflammatory bowel disease (IBD), Crohn's Disease, ulcerative colitis, irritable bowel syndrome, multiple sclerosis, rheumatoid arthritis, diverticulosis, systemic lupus erythematosus, psoriasis, ankylosing spondylitis, scleroderma, systemic sclerosis, psoriatic arthritis, osteoarthritis, atopic dermatitis, vitiligo, graft vs. host disease (GVHD), cutaneous T cell lymphoma (CTCL), Sjogren's syndrome, glomerulonephritis, IgA nephropathy, graft versous host disease, transplant rejection, atopic dermatitis, anti-phospholipid syndrome, and asthma, and other autoimmune diseases.
    • 鉴定结合IL-21蛋白的单克隆抗体。 这些抗体用于鉴定结合中和IL-21活性的IL-21蛋白的区域。 描述了杂交瘤和产生抗IL-21单克隆抗体的方法。 单克隆抗体可用于治疗IL-21介导的疾病,其可能包括自身免疫性和炎性疾病如胰腺炎,I型糖尿病(IDDM),格雷夫斯病,炎性肠病(IBD),克罗恩病,溃疡性结肠炎,肠易激综合征 综合征,多发性硬化症,类风湿性关节炎,憩室病,系统性红斑狼疮,牛皮癣,强直性脊柱炎,硬皮病,系统性硬化症,银屑病关节炎,骨关节炎,特应性皮炎,白癜风,移植物抗宿主病(GVHD),皮肤T细胞淋巴瘤 ,干燥综合征,肾小球肾炎,IgA肾病,移植物宿主病,移植排斥反应,特应性皮炎,抗磷脂综合征,哮喘和其他自身免疫性疾病。