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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Short communication: Antibody responses to human immunodeficiency virus envelope from infections with multiple subtypes utilize the 1f7-idiotypic repertoire
AIDS Research and Human Retroviruses, Volume 29, No. 5, Year 2013
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Description
A common idiotype of anti-HIV antibodies (Abs), designated as 1F7, was recently observed on anti-HIV broadly neutralizing Abs (BnAbs). The presence of the 1F7-idiotype on BnAbs suggests that continuous selection of 1F7-idiotypic Abs may allow these clones to achieve the somatic hypermutation necessary for broad neutralization. As the selection of type-specific BnAbs occurs in the setting of infections with a wide array of HIV subtypes, we investigated Abs from subjects infected with diverse subtypes for the selection of 1F7-idiotypic Abs. We observed the 1F7-idiotype on antiviral Abs in infections with various HIV subtypes. Furthermore, gp140-specific 1F7-idiotypic Abs recognized the gp140 antigens from several HIV subtypes. These results demonstrate that the 1F7-idiotype is a common characteristic of Abs from infections with diverse HIV subtypes, and suggests that early cross-reactivity of 1F7-idiotypic clones may act in conjunction with somatic hypermutation to produce BnAbs. © 2013, Mary Ann Liebert, Inc.
Authors & Co-Authors
Parsons, Matthew S.
Canada, Montreal
L'institut de Recherche du Centre Universitaire de Santé Mcgill
Canada, Montreal
Centre Universitaire de Santé Mcgill
Canada, Montreal
Université Mcgill
Australia, Melbourne
University of Melbourne
Center, Robert J.
Australia, Melbourne
University of Melbourne
Routy, Jean Pierre G.
Canada, Montreal
L'institut de Recherche du Centre Universitaire de Santé Mcgill
Canada, Montreal
Centre Universitaire de Santé Mcgill
Rouleau, Danielle
Canada, Montreal
Centre Hospitalier de L'universite de Montreal
Leblanc, Roger
Canada, Montreal
L'institut de Recherche du Centre Universitaire de Santé Mcgill
Canada, Montreal
Clinique Lori
Wainberg, Mark A.
Canada, Montreal
Institut Lady Davis de Recherches Médicales
Tremblay, Cécile L.
Canada, Montreal
Hopital Saint-luc
Zannou, Djimon Marcel
Benin, Cotonou
University of Abomey-calavi
Kent, Stephen J.
Australia, Melbourne
University of Melbourne
Grant, Michael
Canada, St John's
Memorial University of Newfoundland, Faculty of Medicine
Bernard, Nicole Flore
Canada, Montreal
L'institut de Recherche du Centre Universitaire de Santé Mcgill
Canada, Montreal
Centre Universitaire de Santé Mcgill
Canada, Montreal
Université Mcgill
Statistics
Citations: 11
Authors: 11
Affiliations: 10
Identifiers
Doi:
10.1089/aid.2012.0094
ISSN:
08892229
e-ISSN:
19318405
Research Areas
Infectious Diseases