Abstract:
:Two monoclonal antibodies (MoAbs), F10.2 and F10.3, were selected for their ability to interfere in homotypic adhesion of human B cells. Precipitation studies and binding to intercellular adhesion molecule 1 (ICAM-1, CD54) cDNA transfected COS cells revealed that both MoAbs are directed against ICAM-1. The binding of MoAb F10.2 was inhibited by LB-2, a MoAb recognizing the NH2-terminal immunoglobulin-like domain of ICAM-1. This suggests that the epitope recognized by F10.2 is located on the first domain of the ICAM-1 molecule. Binding of the other MoAb, F10.3, was not inhibited by F10.2 nor by two other MoAbs mapping to the first domain of the ICAM-1 molecule. The ability of F10.3 to bind to ICAM-1 is influenced by glycosylation, suggesting that this epitope is located on one of the domains carrying possible glycosylation sites, i.e. domain 2, 3 or 4. The ICAM-1 epitopes recognized by F10.3 and LB-2 or F10.2 co-operated in homotypic adhesion of cells from the EBV cell line ML1. These results suggest that in addition to an epitope located on domain 1 of the ICAM-1 molecule, another epitope whose exposure can be regulated by glycosylation is involved in homotypic B-cell adhesion of cell line ML1.
journal_name
Scand J Immunoljournal_title
Scandinavian journal of immunologyauthors
Bloemen P,Moldenhauer G,van Dijk M,Schuurman HJ,Bloem ACdoi
10.1111/j.1365-3083.1992.tb03250.xkeywords:
subject
Has Abstractpub_date
1992-05-01 00:00:00pages
517-23issue
5eissn
0300-9475issn
1365-3083journal_volume
35pub_type
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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doi:10.1111/j.1365-3083.1975.tb02610.x
更新日期:1975-01-01 00:00:00
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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更新日期:1979-01-01 00:00:00
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journal_title:Scandinavian journal of immunology
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更新日期:1975-01-01 00:00:00
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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doi:10.1111/j.1365-3083.1982.tb00692.x
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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journal_title:Scandinavian journal of immunology
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doi:10.1111/j.1365-3083.1979.tb03176.x
更新日期:1979-01-01 00:00:00
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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更新日期:1981-08-01 00:00:00
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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更新日期:1975-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Scandinavian journal of immunology
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