Journal article
Protective Role of beta -Chemokines Associated with HIV-Specific Th Responses Against Perinatal HIV Transmission
The Journal of immunology (1950), v 162(7), pp 4355-4364
01 Apr 1999
PMID: 10201969
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
To examine the protective role of cellular immunity in the vertical transmission of HIV, we analyzed HIV-specific IL-2 and CTL responses, as well as beta -chemokine expression in HIV-infected and uninfected infants of HIV super(+) mothers. Our results showed that HIV envelope (env) peptide-specific IL-2 responses associated with beta -chemokine production were detectable at birth in the majority of uninfected infants of HIV super(+) mothers. The responses falling to background before the infants were 1 yr old were rarely associated with HIV-specific CTL activity. Conversely, HIV-specific Th and CTL cellular responses were absent at birth in HIV-infected infants. Infants with AIDS-related symptoms exhibited undetectable or very low levels of HIV-specific cellular immunity during the first year of life, whereas those with a slowly progressive disease showed evidence of such immunity between their second and ninth month. The latter group of infected infants tested negative for plasma HIV RNA levels shortly after birth, suggesting lack of intrauterine exposure to HIV. The presence of HIV-specific Th responses at birth in uninfected newborns of HIV super(+) mothers, but absence of such activities in HIV-infected infants without evidence of intrauterine HIV infection, suggests that in utero development of HIV-specific Th responses associated with beta -chemokines could mediate nonlytic inhibition of infection during vertical transmission of HIV.
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Details
- Title
- Protective Role of beta -Chemokines Associated with HIV-Specific Th Responses Against Perinatal HIV Transmission
- Creators
- T WasikJ BratosiewiczA WierzbickiV WhitemanR RutsteinS E StarrS DouglasD KaufmanA SisonM PolanskyH LischnerD Kozbor
- Publication Details
- The Journal of immunology (1950), v 162(7), pp 4355-4364
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:000079278000083
- Scopus ID
- 2-s2.0-0033120077
- Other Identifier
- 991019168221104721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Immunology