Search Abstracts Program


Session 45   Poster Presentations
Immune Response Changes following Antiretroviral Therapy
Wednesday 1:30 - 3:30 pm
Hall D
342Perforin-Expressing CD4+ T-cells are Found in Oligoclonal Expansions and Decline in the Setting of HAART
L. Goodwin*1, S. Bennett1, E. Connick1, B. Kotzin1, ACTG 315/375 Study Team2
1Univ of Colorado Hlth Sci Ctr, Denver and 2Adult AIDS Clin Trials Group, Washington, DC
343Different Levels of Immune Activation in Naive and Memory Subsets of CD4 and CD8 T-lymphocytes in Chronic HIV Infection-Effects of Antiretroviral Therapy
J. Benito*, M. Lopez, S. Lozano, P. Martinez, J. Gonzalez-Lahoz, V. Soriano
Inst de Salud Carlos III, Madrid, Spain
344Spontaneous Apoptosis of T-lymphocytes Fails to Normalize on Long-term HAART and Strongly Predicts the Recovery of CD4 T-lymphocytes
G. Kaufmann*1, N. Hansjee2, C. Strub1, R. Weber3, M. Battegay1, P. Erb2
1Univ Hosp Basel, Switzerland; 2Inst for Med Microbiology, Basel, Switzerland; and 3Univ Hosp Zurich, Switzerland
345Lymphoproliferative Responses to HIVp24 in Chronically HIV-1 Infected Patients Treated with HAART Reflect Low-level Viral Replication but Not an Improvement in Indices of Immune Phenotype or Function
C. G. Lange*1,2, B. K. Patterson3, B. Harnish4, K. Medvik1, Z. Xu4, R. Asaad1, H. Valdez1, S. J. Lee5, A. Landay6, J. Lieberman4, M. M. Lederman1
1Ctr for AIDS Res, Case Western Reserve Univ, Univ Hosp of Cleveland, OH; 2Med Clin, Res Ctr, Borstel, Germany; 3Children´s Mem Hosp, Northwestern Univ Med Sch, Chicago, IL; 4Ctr for Blood Res, Harvard Med Sch, Boston, MA; 5Dana-Farber Cancer Inst, Boston, MA; and 6Rush Med Coll, Chicago, IL
346Older Age is Associated with Reduced Naïve T-cell Responses to Antiretroviral Therapy: 48-week Results of ACTG Protocol 5015
R. Kalayjian*1, M. M. Lederman2, R. B. Pollard3, M. Pu4, J. Spritzler4, V. Stocker6, M. Chernoff4, S. Fiscus7, D. Taub8, V. Valcour9, N. Mantz10, F. Rousseau11, J. Olsen12, S. Brun13, A. Landay14
1MetroHlth Med Ctr, Cleveland, OH; 2Case Western Reserve Univ, Cleveland, OH; 3Univ of California at Davis, Sacramento; 4Harvard Sch of Public Hlth, Boston, MA; 6AACTG Operations, Rockville, MD; 7Univ of North Carolina, Chapel Hill; 8Natl Inst of Aging, Bethesda, MD; 9Univ of Hawaii, Honolulu; 10Univ of Pittsburg, PA; 11Triangle Pharm, Inc, Durham, NC; 12Bristol-Myers Squibb, Plainsboro, NJ; 13Abbott Labs, Chicago, IL; and 14Rush Med Coll, Chicago, IL
347Shifting Pressure Affects the Frequency of CD8+ T-cell Escape Variants with Initiation of HAART
J. Casazza*, M. Betts, B. Hill, J. Brenchley, D. Ambrozak, D. Douek, R. Koup
Vaccine Res Ctr, NIH, Bethesda, MD
348Suppression of HIV Replication with HAART Can Induce de novo Appearance of HIV-specific CTLs in Patients with Chronic HIV Infection
M. Lopez*, V. Soriano, J. Benito, S. Lozano, P. Martinez, J. Gonzalez-Lahoz
Inst de Salud Carlos III, Madrid, Spain
349Repertoire of HIV-1 p24 Epitopes Targeted by CD4+ T-cells in HIV-1 Infected Subjects Either Receiving or Not Receiving Antiretroviral Therapy
E. Boritz*, B. Palmer, C. Wilson
Univ of Colorado Hlth Sci Ctr, Denver
350HIV-specific Cytotoxic T-lymphocyte Epitope Responses in HIV-infected Children on HAART
N. Ching*, B. Ank, O. Yang, K. Nielsen, J. Deville, Y.J. Bryson
Univ of California at Los Angeles
351Predictors of HIV-specific Immune Responses in Chronically HIV-infected Subjects on Antiretroviral Therapy
A. Siddique*1, E. Dragileva1, K. E. Hartman1, J. Campagna1, D. W. Cherng2, M. Dondero3, L. Peiperl4, F. Valentine5, S. A. Kalams6
1Partners AIDS Res Ctr and Massachusetts Gen Hosp, Boston, MA; 2Statistical and Data Analysis Ctr, Boston, MA; 3AACTG Operations Ctr, Silver Spring, MD; 4Univ of California at San Francisco, AIDS Clin Trials Unit; 5New York Univ Med Ctr; and 6Partners AIDS Res Ctr and Vanderbilt Univ Med Ctr, Nashville, TN
352Protease Inhibitor-containing HAART is Associated with Decreased In Vivo T-cell Activation Independent of its Effects on Viral Replication
P. Hunt*, J. Martin, D. Bangsberg, A. Moss, E. Sinclair, B. Bredt, S. Deeks
Univ of California at San Francisco
353HAART Alters the Natural Evolution of the Pattern of HIV-specific Immune Responses in Subjects Starting HAART in Primary HIV Infection
G. Alter*1, G. Hatzakis1, C. M. Tsoukas1, D. Rouleau2, R. P. LeBlanc1, J.-G. Baril3, H. Dion4, E. Lefebvre4, R. Thomas4, P. Côté3, J.-P. Routy1, R.-P. Sékaly5, N. F. Bernard1
1McGill Univ Hlth Ctr, Montreal, Canada; 2Ctr Hosp de l’Univ de Montreal, Canada; 3Clin Med du Quartier Latin, Montreal, Canada; 4Clin l’Actuel, Montreal, Canada; and 5Univ of Montreal, Canada
354Treatment, Immunological Changes, and Pregnancy Outcome
S. Fiore*1, M.-L. Newell1, D. Trabattoni2, V. Savasi2, C. Tibaldi3, C. Lanzani2, V. Conserva2, E. Ferrazzi2, M. Clerici2
1Univ Coll of London, UK; 2Univ of Milan, Italy; and 3Univ of Turin, Italy
355Immunologic Evidence that Start of ART can be Deferred for CD4 T-cell Count < 200/mul
M. Nobile*, R. Correa, K. Ellefsen-Lavoie, E. Aschwanden, M. Spasojevic, C. D'Agostino, L. Codarri, M. Khonkarly, G. Pantaleo
Lab of AIDS Immunopathogenesis, CHUV, Lausanne, Switzerland