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West Ashley Library
9 a.m. – 7 p.m.
Phone: (843) 766-6635
Folly Beach Library
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Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
Closed for renovations
Phone: (843) 883-3914
Wando Mount Pleasant Library
9 a.m. – 8 p.m.
Phone: (843) 805-6888
Village Library
9 a.m. – 6 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
9 a.m. – 8 p.m.
Phone: (843) 889-3300
Otranto Road Library
9 a.m. – 8 p.m.
Phone: (843) 572-4094
Mt. Pleasant Library
9 a.m. – 8 p.m.
Phone: (843) 849-6161
McClellanville Library
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Keith Summey North Charleston Library
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John's Island Library
9 a.m. – 8 p.m.
Phone: (843) 559-1945
Hurd/St. Andrews Library
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Miss Jane's Building (Edisto Library Temporary Location)
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Dorchester Road Library
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Phone: (843) 552-6466
John L. Dart Library
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Phone: (843) 722-7550
Baxter-Patrick James Island
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Phone: (843) 795-6679
Main Library
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Phone: (843) 805-6930
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Phone: (843) 805-6892
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Phone: (843) 805-6909
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HIV-1-infected patients with envelope-specific lymphoproliferation or long-term nonprogression lack antibodies suppressing glycoprotein 120 antigen presentation.
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- Author(s): Chien Jr., Peter C.; Chen, Daniel; Pei-de Chen, Daniel; Tuen, Michael; Cohen, Sandra; Migueles, Stephen A.; Connors, Mark; Rosenberg, Eric; Malhotra, Uma; Gonzalez, Charles; Hioe, Catarina E.; Chien, Peter C Jr; Chen, Pei-De
- Source:
Journal of Infectious Diseases; 3/1/2004, Vol. 189 Issue 5, p852-861, 10p- Subject Terms:
- Source:
- Additional Information
- Abstract:
Background: Antibodies to the CD4-binding domain (CD4bd) of human immunodeficiency virus type 1 (HIV-1) glycoprotein 120 (gp120) inhibit gp120 antigen presentation to CD4 T cells. These findings imply that the presence of anti-CD4bd antibodies might contribute to the dearth of envelope-specific T helper responses observed in most HIV-1-positive patients. In the absence of these antibodies, however, anti-envelope T helper responses might be maintained.Methods: We used ELISA to evaluate the levels of anti-CD4bd antibodies in rare HIV-1-positive patients who exhibit envelope-specific lymphoproliferation. Subsequently, we examined the contribution of anti-CD4bd antibodies to disease progression by comparing anti-CD4bd antibody levels in 3 cohorts of HIV-1-positive patients with distinct rates of disease progression.Results: Although most HIV-1-positive individuals produce anti-CD4bd antibodies, 77% of patients with envelope-specific lymphoproliferation have undetectable anti-CD4bd antibody levels. Moreover, comparison of the 3 HIV-1-positive cohorts revealed that individuals with long-term nonprogression have significantly lower anti-CD4bd antibody titers than do those with rapid or slow progression. Unlike immunoglobulin G (IgG) from rapid progressors, IgG from nonprogressors had no suppressive effects on glycoprotein (gp) 120-specific T cell proliferation.Conclusions: Low anti-CD4bd antibody levels are associated with the absence of disease progression. A number of HIV-1-positive individuals without these antibodies also appear to sustain gp120-specific T helper responses needed to help control the infection. [ABSTRACT FROM AUTHOR] - Abstract: Copyright of Journal of Infectious Diseases is the property of Oxford University Press / USA and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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