Identification of a surrogate TSL‐1 antigen of Trichinella spiralis from a phage library of random peptides

We sought to find a peptide analogue of an important antigen (TSL‐1) of Trichinella spiralis which is recognized by the 7C2C5 antibody. A phage library which displays a short (15‐mer) randomly‐generated peptide at the filament of the minor coat protein of the virion was used for selection by the 7C2...

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Veröffentlicht in:Parasite immunology 1997-06, Vol.19 (6), p.281-286
Hauptverfasser: LIM, PAK LEONG, TAM, FRANKIE C.H., CHUI, YIU LOON, NG, LAWRENCE W.K.
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container_end_page 286
container_issue 6
container_start_page 281
container_title Parasite immunology
container_volume 19
creator LIM, PAK LEONG
TAM, FRANKIE C.H.
CHUI, YIU LOON
NG, LAWRENCE W.K.
description We sought to find a peptide analogue of an important antigen (TSL‐1) of Trichinella spiralis which is recognized by the 7C2C5 antibody. A phage library which displays a short (15‐mer) randomly‐generated peptide at the filament of the minor coat protein of the virion was used for selection by the 7C2C5 antibody. A peptide thus identified, ICDASGLGCWCWSLSP, was found to be a true surrogate since its binding to the antibody could be blocked by the native antigen and, conversely, an antiserum made to the peptide could recognize the native antigen. In addition, the peptide appeared to detect T. spiralis‐infected pigs although it was less discriminatory than the native antigen.
doi_str_mv 10.1046/j.1365-3024.1997.d01-203.x
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subjects Amino Acid Sequence
Animals
Antigens, Helminth - analysis
Antigens, Helminth - immunology
Bacteriophages
immunodiagnosis
Mice
Mice, Inbred BALB C
Molecular Sequence Data
peptide
Peptide Library
phage library
Swine
Trichinella spiralis
Trichinella spiralis - immunology
title Identification of a surrogate TSL‐1 antigen of Trichinella spiralis from a phage library of random peptides
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