{"title":"Osteoclast differentiation factor in human osteosarcoma cell line.","authors":"K Kinpara, M Mogi, M Kuzushima, A Togari","doi":"10.1080/01971520009349540","DOIUrl":null,"url":null,"abstract":"<p><p>A sensitive sandwich enzyme-linked immunosorbent assay (ELISA) for human osteoclast differentiation factor (ODF/RANKL/ OPGL/TRANCE) utilizing a polyclonal antibody that recognizes both human soluble ODF and mouse ODF in combination with a osteoclasogenesis inhibitory factor (OCIF/OPG) was developed. We can quantify the ODF level in not only human ODF (detection limit: 0.05 ng/ml), but also mouse ODF by virtue of cross-reactivity. Employing this assay system, we demonstrated that ODF is constitutively present as a membrane-bound form in both the human osteosarcoma cell lines, MG-63, HOS and SaOS-2, and the mouse osteoblastic cell line MC3T3-E1.</p>","PeriodicalId":16060,"journal":{"name":"Journal of immunoassay","volume":"21 4","pages":"327-40"},"PeriodicalIF":0.0000,"publicationDate":"2000-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/01971520009349540","citationCount":"40","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of immunoassay","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/01971520009349540","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 40
Abstract
A sensitive sandwich enzyme-linked immunosorbent assay (ELISA) for human osteoclast differentiation factor (ODF/RANKL/ OPGL/TRANCE) utilizing a polyclonal antibody that recognizes both human soluble ODF and mouse ODF in combination with a osteoclasogenesis inhibitory factor (OCIF/OPG) was developed. We can quantify the ODF level in not only human ODF (detection limit: 0.05 ng/ml), but also mouse ODF by virtue of cross-reactivity. Employing this assay system, we demonstrated that ODF is constitutively present as a membrane-bound form in both the human osteosarcoma cell lines, MG-63, HOS and SaOS-2, and the mouse osteoblastic cell line MC3T3-E1.
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