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Passive immunization with human neutralizing monoclonal antibodies: correlates of protective immunity against HIV


Xu, Weidong; Hofmann-Lehmann, Regina; McClure, Harold M; Ruprecht, Ruth M (2002). Passive immunization with human neutralizing monoclonal antibodies: correlates of protective immunity against HIV. Vaccine, 20(15):1956-1960.

Abstract

Passive immunization with synergistic combinations of human monoclonal antibodies (mAbs) directed against conserved epitopes of the human immunodeficiency virus (HIV) envelope completely protected 13 out of 16 rhesus monkeys challenged intravenously or orally with chimeric simian-human immunodeficiency virus (SHIV) strains; partial protection was seen in another two. A high degree of protection was seen among orally challenged neonates. Thus, we propose that passive immunization with synergistic combinations of neutralizing human mAbs may be effective in preventing maternal HIV transmission when given as post-exposure prophylaxis at birth and as prophylaxis against milk-borne transmission. Because we only used mAbs with well-defined epitope specificities, our studies also yield key information for designing AIDS vaccines: the correlates of immune protection. Vaccine strategies that can evoke antibody responses to epitopes recognized by the mAbs used in our primate studies could be important components of successful AIDS vaccines.

Abstract

Passive immunization with synergistic combinations of human monoclonal antibodies (mAbs) directed against conserved epitopes of the human immunodeficiency virus (HIV) envelope completely protected 13 out of 16 rhesus monkeys challenged intravenously or orally with chimeric simian-human immunodeficiency virus (SHIV) strains; partial protection was seen in another two. A high degree of protection was seen among orally challenged neonates. Thus, we propose that passive immunization with synergistic combinations of neutralizing human mAbs may be effective in preventing maternal HIV transmission when given as post-exposure prophylaxis at birth and as prophylaxis against milk-borne transmission. Because we only used mAbs with well-defined epitope specificities, our studies also yield key information for designing AIDS vaccines: the correlates of immune protection. Vaccine strategies that can evoke antibody responses to epitopes recognized by the mAbs used in our primate studies could be important components of successful AIDS vaccines.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Date:6 May 2002
Deposited On:30 Nov 2016 13:35
Last Modified:04 Dec 2016 06:11
Publisher:Elsevier
ISSN:0264-410X
Publisher DOI:https://doi.org/10.1016/S0264-410X(02)00077-4
PubMed ID:11983253

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