{"title":"[Establishment of anti-idiotype monoclonal antibodies to human anti lung cancer monoclonal antibody (4G12)].","authors":"H Saito, T Fujisawa, T Fukasawa, Y Yamaguchi","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>The object of this study is to establish anti-idiotype (anti-ID) monoclonal antibodies (MoAbs) against a human MoAb (4G12) that highly reacts with lung squamous cell carcinomas. Two murine anti-ID MoAbs (2H1 and 2B12) were established by hybridoma technology. They showed specific reactivity with 4G12 but not with 3H12 human MoAb, human IgM and human IgG. These two MoAbs demonstrated more than 90% of binding inhibition of 4G12 to lung squamous cell cancer cell line (PC10). Moreover, cross inhibition test showed that 2H1 and 2B12 detect different idiotypes of 4G12 each other. Furthermore, specific reactivity of anti 2H1 and anti 2B12 sera to PC10 were observed by cell binding ELISA. These two anti-ID MoAbs had internal image of the original antigen.</p>","PeriodicalId":79253,"journal":{"name":"Rinsho kyobu geka = Japanese annals of thoracic surgery","volume":"14 4","pages":"313-6"},"PeriodicalIF":0.0000,"publicationDate":"1994-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Rinsho kyobu geka = Japanese annals of thoracic surgery","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The object of this study is to establish anti-idiotype (anti-ID) monoclonal antibodies (MoAbs) against a human MoAb (4G12) that highly reacts with lung squamous cell carcinomas. Two murine anti-ID MoAbs (2H1 and 2B12) were established by hybridoma technology. They showed specific reactivity with 4G12 but not with 3H12 human MoAb, human IgM and human IgG. These two MoAbs demonstrated more than 90% of binding inhibition of 4G12 to lung squamous cell cancer cell line (PC10). Moreover, cross inhibition test showed that 2H1 and 2B12 detect different idiotypes of 4G12 each other. Furthermore, specific reactivity of anti 2H1 and anti 2B12 sera to PC10 were observed by cell binding ELISA. These two anti-ID MoAbs had internal image of the original antigen.
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