Abstract:
:Der f 2 is one of the major mite allergens recognized by human IgE antibodies of allergic patients. Using five anti-Der f 2 mouse monoclonal antibodies, human IgE epitopes of Der f 2 were analyzed. Among them, two monoclonal antibodies 15E11 and 13A4 inhibited the binding between Der f 2 and human IgE antibodies. To determine major IgE epitopes of Der f 2, epitopes for the monoclonal IgG antibodies were analyzed using 43 single site Der f 2 mutants constructed by site-directed mutagenesis. Binding ability of 13A4 and 15E11 was decreased by the amino acid replacement around the C-terminus, and around 73rd, respectively. These results suggest that the C-terminal portion and the central portion around 73rd of Der f 2 were recognized by human IgE antibodies as major epitopes. The location of the putative IgE epitopes on 3-D structure of Der f 2 is also discussed.
journal_name
Mol Immunoljournal_title
Molecular immunologyauthors
Nishiyama C,Hatanaka H,Ichikawa S,Fukada M,Akagawa-Chihara M,Yuuki T,Yokota T,Inagaki F,Okumura Ydoi
10.1016/s0161-5890(98)00112-6subject
Has Abstractpub_date
1999-01-01 00:00:00pages
53-60issue
1eissn
0161-5890issn
1872-9142pii
S0161589098001126journal_volume
36pub_type
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