Document Detail

Development of a sensitive screening method for selecting monoclonal antibodies to be internalized by cells.
MedLine Citation:
PMID:  25450699     Owner:  NLM     Status:  Publisher    
Antibody-drug conjugates (ADCs), drugs developed by conjugation of an anticancer agent to a monoclonal antibody (mAb), have lately attracted attention in cancer therapy because ADCs can directly bind cancer cells and kill them. Although mAbs for ADCs must be internalized by the target cells, few methods are available for screening mAbs for their ability to be internalized by cells. We have developed a recombinant protein, termed DT3C, which consists of diphtheria toxin (DT) lacking the receptor-binding domain but containing the C1, C2, and C3 domains of Streptococcus protein G (3C). When a mAb-DT3C conjugate, which functions in vitro like an ADC, reduces the viability of cancer cells, the mAb being tested must have been internalized by the target cells. DT3C can thus be a tool to identify efficiently and easily mAbs that can be internalized by cells, thereby enhancing the development of promising ADCs.
Miki Yamaguchi; Yukari Nishii; Kiminori Nakamura; Haruka Aoki; Sachie Hirai; Hiroaki Uchida; Yuji Sakuma; Hirofumi Hamada
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-1
Journal Detail:
Title:  Biochemical and biophysical research communications     Volume:  454     ISSN:  1090-2104     ISO Abbreviation:  Biochem. Biophys. Res. Commun.     Publication Date:  2014 Nov 
Date Detail:
Created Date:  2014-12-3     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  0372516     Medline TA:  Biochem Biophys Res Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  600-603     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Inc. All rights reserved.
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