An enzyme immuno-assay for simultaneously measuring a plurality of samples and test vessel for carrying out this method
申请人:Eisai Co., Ltd.
公开号:EP0058428A2
公开(公告)日:1982-08-25
A method for measuring substances by enzyme immunoassay and a test vessel for carrying out this method are described.
The method according to the invention relates to an improvement in the sandwich method for enzyme immunoassay. In controlling the temperature conditions the fluctiation of results can be minimized.
Konjugate makromolekularer Verbindungen an Hämoglobin, Verfahren zu ihrer Herstellung und sie enthaltende Arzneimittel
申请人:Intermedicat GmbH
公开号:EP0142125A2
公开(公告)日:1985-05-22
Die Erfindung betrifft Konjugate makromolekularer Verbindungen an Hämoglobin, enthaltend als Makromolekül ein Addukt eines oder mehrerer wasserlöslicher, ungeladener, physiologisch unbedenklicher Polymerer an einen anionischen Liganden sowie gereinigtes, von endogenen Liganden isoliertes Human-Hämoglobin A, wobei die Makromoleküle eine den Anforderungen entsprechend variable Molekulargewichtsverteilung von 400 bis 500.000 D aufweisen und nichtkovalent reversibel über die Liganden an das allosterische Bindungszentrum des Hämoglobins gebunden sind, Verfahren zur Herstellung derartiger Konjugate und sie enthaltende Arzneimittel.
本发明涉及大分子化合物与血红蛋白的共轭物,大分子化合物含有一种或多种水溶性、不带电荷、对生理无害的聚合物与阴离子配体的加合物,以及从内源性配体中分离出来的纯化人血红蛋白 A,其中大分子的分子量分布在 400 至 500,000 D 之间(根据需要而变化),并通过配体与血红蛋白的异源结合中心非共价地可逆结合,本发明还涉及制备这种共轭物的工艺和含有这种共轭物的药物。
Purification of apase-1 1 and retrieval of the nematode resistance gene
申请人:PLANT CELL RESEARCH INSTITUTE, INC.
公开号:EP0285361A2
公开(公告)日:1988-10-05
An isoenzyme from tomato, acid phosphatase-1 isoenzyme (Apase-1¹), has been purified to homogeneity and is subjected to amino acid sequencing and used to prepare anti-Apase-1 antibodies.
Expression vectors for the synthesis of proteins and plasmid replicons and sequence cassettes for use in constructing such vectors
申请人:NATURAL ENVIRONMENT RESEARCH COUNCIL
公开号:EP0305087A1
公开(公告)日:1989-03-01
Expression vectors for the expression of proteins, particularly eukaryotic proteins are provided which are based on novel plasmid replicons. Sequence cassettes useful in constructing such vectors are also disclosed. The expression vectors according to the invention are useful for expressing selected proteins in insects and insect cells. Specifically, the plasmid replicons comprise double-stranded DNA having (a) one or more sequences allowing the replicon to be reproduced in a bacterial host, (b) first and second sequences which are adapted to permit an intervening sequence located between said first and second sequences to be introduced into an expression vector, and (c) an intervening sequence located between said first and second sequences, and are characterised in that the intervening sequence comprises first and second polypeptide expression sequences (PESs) wherein each PES includes (i) a transcriptional promotor (ii) a unique restriction site for introduction of a gene which is native or foreign to the expression vector and (iii) a transcriptional termination site.
提供了用于表达蛋白质,特别是真核蛋白质的表达载体,这些载体以新型质粒复制子为基础。还公开了用于构建这种载体的序列盒。根据本发明的表达载体可用于在昆虫和昆虫细胞中表达选定的蛋白质。具体地说,质粒复制子由双链 DNA 组成,双链 DNA 具有(a)一个或多个允许复制子在细菌宿主中繁殖的序列,(b)第一和第二序列,这些序列适于将位于所述第一和第二序列之间的中间序列引入表达载体,以及(c)位于所述第一和第二序列之间的中间序列、其特征在于,中间序列包括第一和第二多肽表达序列(PES),其中每个 PES 包括:(i) 转录启动子;(ii) 用于引入表达载体本源或外源基因的独特限制位点;(iii) 转录终止位点。
Novel chimeric antibodies
申请人:CIBA-GEIGY AG
公开号:EP0323806A1
公开(公告)日:1989-07-12
The invention relates to murine/human chimeric monoclonal antibodies with high specificity to and affinity for human carcinoembryonic antigen (CEA), derivatives thereof, processes for the preparation of these antibodies and their derivatives, DNAs coding for heavy and light chains of these antibodies, processes for the preparation of said DNAs, mammalian cell lines that produce and secrete the antibodies and processes for the preparation of said cell lines. The chimeric antibodies and their derivatives are used for clinical purposes in vitro and in vivo, especially for the diagnosis of cancer, for localization and in vivo imaging of tumors, for therapy, e.g. site-directed delivery of cytotoxins, and similar purposes. The invention also concerns test kits and pharmaceutical compositions containing said chimeric monoclonal antibodies and/or derivatives thereof.