Abstract:
:We investigated the presence of the carbohydrate ligand for E-selectin on the cell surface of rat polymorphonuclear leukocytes (PMN). Rat PMN, isolated from peripheral blood, adhered to recombinant rat E-selectin-coated microplates. The adhesion was inhibited either by an anti-rat E-selectin monoclonal antibody (MAb), a sialyl Lewis X (SLex) oligosaccharide or neuraminidase digestion. FACS analysis revealed the expression of SLex as well as other adhesion molecules such as L-selectin, CD11a, CD11b and CD18 on the cell surface of rat PMN. The binding of an anti-SLex MAb KM93 to rat PMN was inhibited competitively by a SLex but not by a Lewis X (Lex). The reactivities of two anti-SLex MAbs, KM93 and CSLEX-1, or an anti-Lex MAb BC90/45 to rat PMN differed from those to human PMN. These results suggest that rat PMN contain the SLex-moiety, which binds to rat E-selectin and is different from that of human PMN.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Misugi E,Kawamura N,Imanishi N,Tojo SJ,Morooka Sdoi
10.1006/bbrc.1995.2499subject
Has Abstractpub_date
1995-10-13 00:00:00pages
547-54issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(85)72499-0journal_volume
215pub_type
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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journal_title:Biochemical and biophysical research communications
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