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Gab Jung Kim 1 Article
Neutralizing Antibody Responses and Evolution of the Viral Envelope in the Course of HIV-1 Korean Clade B Infection
Bo Gyeong Shin, Mi-Ran Yun, Sung Soon Kim, Gab Jung Kim
Osong Public Health Res Perspect. 2011;2(3):151-157.   Published online December 31, 2011
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AbstractAbstract PDF
HIV is able to continuously adapt to and evade the evolving neutralizing antibody responses of the host. We investigated the ability of HIV variants to evade neutralizing antibodies in order to understand the distinct characteristics of HIV-1 Korean clade B.
Three drug-naive subjects were enrolled in this study who were infected with HIV-1 Korean clade B. Neutralizations were performed using autologous plasma and pseudovirion-based assays in order to analyze and compare changes in the env gene.
In the early phase of infection, neutralizing activities against autologous virus variants gradually increased, which was followed by a decline in the humoral immune response against the subsequent viral escape variants. The amino acids lengths and number of potential N-linked glycosylation sites (PNGS) in HIV-1 env gene was positively correlated with neutralized antibody responses during the early stages of infection.
This study suggests that change within the env domains over the course of infection influences reactivities to neutralized antibodies and may also have an impact on host immune responses. This is the first longitudinal study of HIV-1 humoral immunity that took place over the entire course of HIV-1 Korean clade B infection.


Citations to this article as recorded by  
  • Blockage of CD59 Function Restores Activities of Neutralizing and Nonneutralizing Antibodies in Triggering Antibody-Dependent Complement-Mediated Lysis of HIV-1 Virions and Provirus-Activated Latently Infected Cells
    Kai Yang, Jie Lan, Nicole Shepherd, Ningjie Hu, Yanyan Xing, Daniel Byrd, Tohti Amet, Corlin Jewell, Samir Gupta, Carole Kounga, Jimin Gao, Qigui Yu, G. Silvestri
    Journal of Virology.2015; 89(18): 9393.     CrossRef

PHRP : Osong Public Health and Research Perspectives