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    • 5. 发明专利
    • Biochip, kit for antigen-antibody reaction detection, and detection method for antigen-antibody reaction
    • BIOCHIP,抗真菌反应检测试剂盒,抗原抗体检测方法
    • JP2011158369A
    • 2011-08-18
    • JP2010020998
    • 2010-02-02
    • National Institute Of Advanced Industrial Science & TechnologyTohoku Univ国立大学法人東北大学独立行政法人産業技術総合研究所
    • TAWA KEIKOUMETSU MITSUHISAKUMAGAI IZUMIHATTORI MINEMITSUASANO RYUTARO
    • G01N21/64G01N21/78G01N33/543G01N33/553
    • PROBLEM TO BE SOLVED: To provide a biochip capable of performing highly sensitive detection, and arraying antibodies for recognizing a target specifically on the chip surface with high density, and to provide a kit for antigen-antibody reaction detection, and a detection method for an antigen-antibody reaction.
      SOLUTION: This biochip (1) includes a base substrate (2) having a cyclic structure on the surface, a metal layer (4) formed on the cyclic structure, an extinction suppression layer (6) formed on the metal layer (4), and a bispecific antibodies (7) bonded on the extinction suppression layer (6). The metal layer (4) is formed of a metal capable of generating surface plasmon resonance light, and the extinction suppression layer (6) is formed of zinc oxide (ZnO), and the bispecific antibody (7) is an antibody whose one end recognizes zinc oxide, and whose other end recognizes a fluorescence labeled protein, and light is allowed to enter to generate an electric field enhanced by the surface plasmon resonance light, and enhanced fluorescence is detected by using the generated electric field as an excitation field of the fluorescence labeled protein.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够进行高灵敏度检测的生物芯片,并且排列抗体以高密度特异性地识别芯片表面上的靶,并提供用于抗原 - 抗体反应检测的试剂盒,以及检测 抗原 - 抗体反应的方法。 解决方案:该生物芯片(1)包括在表面上具有环状结构的基底(2),形成在环状结构上的金属层(4),形成在金属层上的消光抑制层(6) 4)和结合在消光抑制层(6)上的双特异性抗体(7)。 金属层(4)由能够产生表面等离子体共振光的金属形成,消光抑制层(6)由氧化锌(ZnO)形成,双特异性抗体(7)是其一端识别的抗体 氧化锌,其另一端识别荧光标记的蛋白质,并且允许光进入以产生由表面等离子体共振光增强的电场,并且通过使用所产生的电场作为荧光的激发场来检测增强的荧光 标记蛋白。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Highly functional bispecific antibody
    • 高功能双歧杆菌抗体
    • JP2012179051A
    • 2012-09-20
    • JP2012083565
    • 2012-04-02
    • Tohoku Univ国立大学法人東北大学
    • KUMAGAI IZUMIASANO RYUTARO
    • C12N15/09A61K39/395C07K16/28C07K16/30C07K16/46C12N5/10C12P21/02C12P21/08
    • C07K16/2809A61K35/12A61K39/39558C07K16/2863C07K2317/24C07K2317/31C07K2317/622C07K2317/626C07K2317/64C07K2317/732
    • PROBLEM TO BE SOLVED: To provide a humanized bispecific antibody having excellent functions such as exhibition of sufficient effects independently without improvement in structural stability and co-administration of activated lymphocyte (T-LAK).SOLUTION: The humanized highly functional bispecific antibody includes: an antibody that contains a humanized variable region (5H) of an H chain and a humanized variable region (5L) of an L chain of antihuman epidermal cell growth factor receptor 1 antibody 528 and a humanized variable region (OH) of an H chain and a humanized variable region (OL) of an L chain of anti-CD3 antibody OKT3, and has the following structure: an antibody in which a humanized diabody type bispecific antibody constituted of two kinds of single-stranded polypeptides of (OH5L) and (5HOL) is bonded with any one of the single-stranded polypeptides through a hinge region to two Fc regions of a human antibody.
    • 要解决的问题:提供具有优异功能的人源化双特异性抗体,例如独立地展现足够的效果而不改进结构稳定性和共同给予活化淋巴细胞(T-LAK)。 解决方案:人源化高功能双特异性抗体包括:包含H链的人源化可变区(5H)和抗人表皮细胞生长因子受体1抗体528的L链的人源化可变区(5L)的抗体 和抗-CD3抗体OKT3的L链的H链和人源化可变区(OL)的人源化可变区(OH),具有以下结构:其中由人源化双抗体型双特异性抗体构成的抗体 (OH5L)和(5HOL)的单链多肽的种类通过铰链区与任一种单链多肽键合到人抗体的两个Fc区。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Multimeric low molecular antibody
    • 多分子低分子抗体
    • JP2010119303A
    • 2010-06-03
    • JP2008292894
    • 2008-11-17
    • Tohoku Univ国立大学法人東北大学
    • KUMAGAI IZUMIASANO RYUTAROUMETSU MITSUHISA
    • C12N15/09A61K39/395A61K48/00A61P35/00A61P43/00C07K16/28C12N1/21C12P21/08
    • PROBLEM TO BE SOLVED: To modify the linker of a single strand antibody (scFv) to an anti-epidermal growth factor receptor (EGFR) to improve drug disposition with the increase of molecular weight and further reinforce affinity and antitumor effect due to a polyvalent effect, thus providing an inexpensive new medicinal molecule.
      SOLUTION: A multimeric low molecular antibody comprises a single strand antibody (scFv) containing an H strand human type variable region (h5H) and an L strand human type variable region (h5L) of an anti-human-epithelial cell growth factor receptor 1 antibody 528. The h5H and the h5L are amino acid sequences in which one or several amino acids are substituted, deleted, inserted or added and have the substantially same antigen-binding properties as those of the variable regions.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:将单链抗体(scFv)的接头修饰为抗表皮生长因子受体(EGFR),以随着分子量的增加改善药物配置,并进一步增强亲和力和抗肿瘤作用,由于 多价效应,从而提供廉价的新药物分子。 解决方案:多聚体低分子抗体包含含有H链人类可变区(h5H)和抗人上皮细胞生长因子的L链人类可变区(h5L)的单链抗体(scFv) 受体1抗体528.h5H和h5L是氨基酸序列,其中一个或几个氨基酸被取代,缺失,插入或添加,并且具有与可变区的抗原结合性质基本相同的氨基酸序列。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Method for preparation of recombinant polypeptide
    • 制备重组多肽的方法
    • JP2009297022A
    • 2009-12-24
    • JP2009117036
    • 2009-05-13
    • Tohoku Univ国立大学法人東北大学
    • KUMAGAI IZUMIASANO RYUTARONAKANISHI TAKESHIUMETSU MITSUHISA
    • C12P21/02A61K38/00A61P43/00
    • PROBLEM TO BE SOLVED: To provide a method for recovering biological activity at high efficiency in a recombinant polypeptide produced as an insoluble fraction in hosts such as E. coli or the like, and further imparting an excellent property not found in nature. SOLUTION: The method for preparation of recombinant polypeptide includes a chemical modification using a polyethylene glycol etc., of a polypeptide before rewinding, a soluble aggregate or an insoluble aggregate of the polypeptide formed after rewinding, or either of rewinding intermediates of the polypeptide in a stepwise dialysis process in preparation of the polypeptide produced by using a gene recombinant cell of the E. coli or the like. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在诸如大肠杆菌等宿主中作为不溶性级分生产的重组多肽以高效率回收生物活性的方法,并进一步赋予自然界中没有发现的优异性质。 解决方案:重组多肽的制备方法包括使用聚碳酸乙二醇等进行的化学修饰,在倒卷之前的多肽,可回收的聚集体或在倒卷后形成的多肽的不溶性聚集体, 多肽在制备通过使用大肠杆菌等的基因重组细胞产生的多肽的逐步透析过程中。 版权所有(C)2010,JPO&INPIT