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    • 2. 发明申请
    • ANTI-DENGUE VACCINES AND ANTIBODIES
    • 抗真菌疫苗和抗体
    • WO2016012800A1
    • 2016-01-28
    • PCT/GB2015/052139
    • 2015-07-23
    • IMPERIAL INNOVATIONS LIMITEDINSTITUT PASTEURCNRS- CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEUNIVERSITE PARIS-SUD
    • SCREATON, GavinMONGKOLSAPAYA, JuthathipROUVINSKI, AlexanderGUARDADO-CALVO, PabloBARBA-SPAETH, GiovannaDUQUERROY, StéphaneVANEY, Marie-ChristineREY, Felix Augusto
    • C07K16/10A61K39/12A61P31/14
    • C07K14/005A61K39/12A61K47/6841A61K2039/5258A61K2039/545C07K14/1825C07K16/1081C07K2317/21C07K2317/33C07K2317/34C07K2317/56C07K2317/76C12N2770/24122C12N2770/24134Y02A50/386
    • A Dengue virus Envelope Dimer Epitope (EDE) wherein the EDE: c) spans the polypeptides of a Dengue virus Envelope polypeptide dimer; and/or d) is presented on a dimer of Envelope proteins; and/or c) is formed from consecutive or non-consecutive residues of the envelope polypeptide dimer, wherein the dimer is a homodimer or heterodimer of native and/or mutant envelope polypeptides, from any one or two of DENV-1, DENV-2, DENV-3 and DENV-4. The EDE may be a stabilized recombinant dengue virus envelope glycoprotein E ectodomain (sE) dimer, wherein the dimer is: covalently stabilized with at least one disulphide inter-chain bond between the two sE monomers, and/or covalently stabilized with at least one sulfhydryl-reactive crosslinker between the two sE monomers, and/or covalently stabilized by linking the two sE monomers through modified sugars; and/or, covalently stabilised by being formed as a single polypeptide chain, optionally with a linker region, optionally a Glycine Serine rich linker region, separating the sE sequences, and/or non-covalently stabilized by substituting at least one amino acid residue in the amino acid sequence of at least one sE monomer with at least one bulky side chain amino acid, at the dimer interface or in domain 1 (D1) / domain 3 (D3) linker of each monomer. A compound, for example an antibody or antibody fragment that can neutralise more than one Dengue virus serotype, for example an antibody that can bind to an EDE of the invention.
    • 登革热病毒包膜二聚体表位(EDE),其中EDE:c)跨越登革病毒包膜多肽二聚体的多肽; 和/或d)呈现在信封蛋白的二聚体上; 和/或c)由包膜多肽二聚体的连续或非连续残基形成,其中二聚体是天然和/或突变包膜多肽的同二聚体或异源二聚体,来自DENV-1,DENV-2 ,DENV-3和DENV-4。 EDE可以是稳定的重组登革热病毒包膜糖蛋白E胞外域(sE)二聚体,其中所述二聚体:通过两个sE单体之间的至少一个二硫键互链键共价稳定,和/或与至少一个巯基共价稳定 两个sE单体之间的 - 反应性交联剂和/或通过将两种sE单体通过改性糖连接而共价稳定; 通过形成单个多肽链和/或共价稳定化,任选地具有接头区域,任选地富含甘氨酸丝氨酸的接头区域,分离sE序列,和/或通过将至少一个氨基酸残基取代而非共价稳定化 至少一种具有至少一个大的侧链氨基酸的sE单体的氨基酸序列,在每个单体的二聚体界面处或在结构域1(D1)/结构域3(D3)接头中。 化合物,例如可以中和多于一种登革热病毒血清型的抗体或抗体片段,例如可结合本发明EDE的抗体。