IMMUNOLOGICAL CROSS-REACTIVITY BETWEEN THE HUMAN-IMMUNODEFICIENCY-VIRUS TYPE-1 VIRION INFECTIVITY FACTOR AND A 170-KD SURFACE-ANTIGEN OF SCHISTOSOMA-MANSONI

被引:29
作者
KHALIFE, J
GRZYCH, JM
PIERCE, R
AMEISEN, JC
SCHACHT, AM
GRASMASSE, H
TARTAR, A
LECOCQ, JP
CAPRON, A
机构
[1] TRANSGENE SA,F-68000 STRASBOURG,FRANCE
[2] INST PASTEUR,UNITE CHIM BIOMOLEC,F-59019 LILLE,FRANCE
关键词
D O I
10.1084/jem.172.3.1001
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
A monoclonal antibody (mAb) directed against a synthetic peptide derived from the sequence of the human immunodeficiency virus type 1(HIV1) regulatory protein virion infectivity factor (vif) labeled the surface of Schistosoma mansoni schistosomula by indirect immunofluorescence. Western blotting showed that two S. mansoni proteins of 170 and 65 kD were recognized by the mAb. Sera from 20% of S. mansoni-infected HIVseronegative individuals tested recognized the PS4 peptide in an ELISA as did sera from S. mansoni-infected rats. Sera from individuals seropositive for HIV-1, but without schistosomiasis, that reacted with the vifpeptide also recognized a 170-kD S. mansoni protein. This crossreactive S. mansoni antigen appears to be a target of immunity in vivo since passive transfer of the mAb VIF-CD3 to naive rats had a protective effect against a challenge infection with S. mansoni cercariae. © 1990, Rockefeller University Press., All rights reserved.
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页码:1001 / 1004
页数:4
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