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Minimum requirements for immunogenic and antigenic activities of homologs of a synthetic peptide of influenza virus hemagglutinin.

Abstract：

:Synthetic peptides of increasing length and corresponding in sequence to the C-terminal end of the HA1 molecule of influenza virus were constructed and examined for their immunogenic and antigenic properties. Peptides containing at least the four C-terminal amino acids, when coupled to keyhole limpet hemocyanin, were capable of eliciting antibody in BALB/c mice that bound to the 24-residue parent peptide H3 HA1 (305 to 328). In the absence of a carrier, the C-terminal decapeptide was the shortest peptide capable of eliciting antibody. The specificity of this antibody was indistinguishable from that of a monoclonal antibody to the parent peptide which recognizes an epitope encompassed by the C-terminal seven residues. All peptides containing at least the C-terminal four residues were able to inhibit completely the binding of this monoclonal antibody to the parent peptide. Taken together, these results indicate that (i) the tetrapeptide is capable of eliciting specific antibody when coupled to a carrier, (ii) this tetrapeptide possesses all of the antigenic information necessary to occupy the paratope of a monoclonal antibody elicited by the longer parent peptide, and (iii) the decapeptide contains all of the information necessary to elicit a specific immune response and therefore carries an epitope recognized by T cells as well as one recognized by B cells.

journal_name

J Virol

journal_title

Journal of virology

authors

Tang XL,Tregear GW,White DO,Jackson DC

doi

10.1128/JVI.62.12.4745-4751.1988

subject

Has Abstract

pub_date

1988-12-01 00:00:00

pages

4745-51

issue

12

eissn

0022-538X

issn

1098-5514

journal_volume

62

pub_type

杂志文章

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