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    • 2. 发明申请
    • MODIFIED TOXINS
    • 改性毒素
    • WO2009110944A1
    • 2009-09-11
    • PCT/US2008/086858
    • 2008-12-15
    • ANGELICA THERAPEUTICS, INC.DAVIS, Claude, GeoffreyDATTA, DeepshikhaBAKER, Matthew, PaulKEEN, SimonRUST, Alyson, Jane
    • DAVIS, Claude, GeoffreyDATTA, DeepshikhaBAKER, Matthew, PaulKEEN, SimonRUST, Alyson, Jane
    • A61K38/16A61P37/06A61K39/395
    • C07K14/34A61K38/00C07K2319/035
    • The present application relates to compositions of modified toxins exhibiting reduced immunogenicity and reduced binding to vascular endothelium or vascular endothelial cells, thereby reducing the incidence of Vascular Leak Syndrome. Also provided are polypeptide toxophores from a modified diphtheria toxin, where modifications are in at least one amino acid residue of at least one T-cell epitope. Another aspect relates to a polypeptide toxophore from a modified diphtheria toxin, where modifications are in at least one amino acid residue of at least one T-cell epitope and at least one amino acid residue of at least one VLS motif of an unmodified native diphtheria toxin. Another aspect relates to a fusion protein which comprises a modified diphtheria toxin and a non-diphtheria toxin fragment that is a cell binding portion. Another aspect relates to the use of a modified diphtheria toxin for the treatment of a malignant disease or a non-malignant disease.
    • 本申请涉及具有降低的免疫原性和减少与血管内皮细胞或血管内皮细胞结合的修饰毒素的组合物,从而降低血管渗漏综合征的发生率。 还提供了来自修饰的白喉毒素的多肽毒素体,其中修饰在至少一个T细胞表位的至少一个氨基酸残基中。 另一方面涉及来自修饰的白喉毒素的多肽毒候球体,其中修饰在至少一个T细胞表位的至少一个氨基酸残基和未修饰的天然白喉毒素的至少一个VLS基序的至少一个氨基酸残基 。 另一方面涉及融合蛋白,其包含修饰的白喉毒素和作为细胞结合部分的非白喉毒素片段。 另一方面涉及使用修饰的白喉毒素治疗恶性疾病或非恶性疾病。
    • 6. 发明申请
    • T CELL EPITOPE DATABASES
    • T细胞EPITOPE DATABASES
    • WO2008044032A2
    • 2008-04-17
    • PCT/GB2007/003868
    • 2007-10-11
    • ANTITOPE LIMITEDCARR, FrankBAKER, Matthew, Paul
    • CARR, FrankBAKER, Matthew, Paul
    • G06F19/22G06F19/28
    • G06F19/28G06F19/22
    • The invention relates to databases of T cell epitopes, especially helper T cell epitopes, for rapid interrogation of protein sequences for the presence of T cell epitopes. The invention includes full or partial databases and data structures of T cell epitopes including epitopes identified especially by ex vivo T cell assays with test peptides and includes T cell epitopes identified by extrapolation of data from test peptides. The present invention also includes high throughput methods for determining the T cell epitope activity of peptides for subsequent inclusion in databases and data structures including methods where subsets of T cells especially regulatory T cells are removed or inhibited from T cell assays in order to maximize the sensitivity of detection of T cell epitope activity.
    • 本发明涉及用于T细胞表位存在的蛋白质序列的快速询问的T细胞表位的数据库,特别是辅助T细胞表位。 本发明包括T细胞表位的全部或部分数据库和数据结构,包括特异性通过具有测试肽的离体T细胞测定鉴定的表位,并且包括通过外推测试肽数据而鉴定的T细胞表位。 本发明还包括用于确定肽的T细胞表位活性以用于随后包含在数据库和数据结构中的高通量方法,包括其中T细胞特别是调节性T细胞的亚群从T细胞测定中去除或抑制的方法,以使灵敏度最大化 检测T细胞表位活性。