Session: Virus Entry, Receptors, and Co-Receptors

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Session 54 Poster Abstracts
Virus Entry, Receptors, and Co-Receptors
Monday, 1:30 - 3:30 pm
Poster Hall


308	Envelope-mediated Membrane Fusion of Patient HIV-1 Isolates Varies with Co-receptor Usage W Huang, S Fransen, J Toma, C J Petropoulos, and J M Whitcomb ViroLogic Inc., South San Francisco, CA, USA*
309	Characterization of Membrane Dynamics and Virion Fusion H Henderson, and T J Hope Univ. of Illinois at Chicago, USA*
310	Effect of Envelope Co-receptor Affinity on Fusion, Infection, and Entry Inhibitor Sensitivity J Reeves, J Miamidian, M Biscone, F-H Lee, N Ahmad, T Pierson, and R Doms Univ. of Pennsylvania, Philadelphia, USA*
311	Identification of Small Molecule HIV-1 Fusion Inhibitors K Salzwedel, K Crisafi, T Jackson, A Castillo, N Kilgore, M Reddick, G Allaway, and C Wild Panacos Pharm., Gaithersburg, MD, USA*
312	HIV-1 Infection Is Associated with Altered Phenotype and Function of DC-SIGN⁺ Dendritic Cells in the Human Gut Mucosa K Gurney, J Elliott, H Nassanian, C Song, I Mac Gowan, P Anton, and B Lee Univ. of California, Los Angeles, Sch. of Med., USA*
313	HIV Recognition of both CCR5 and Syndecan Depends on 2 Highly Conserved Arginines in the V3 Loop of Gp120 M Bobardt¹, A Parseval¹, J Elder¹, T-H Lee², G David³, and P Gallay¹ ¹Scripps Res. Inst., La Jolla, CA, USA; ²Harvard Sch. of Publ. Hlth., Boston, MA, USA; and ³Ctr. for Human Genetics, Univ. of Leuven, Belgium*
314	Delineating DC-SIGN Binding to gp120, ICAM2, and ICAM3 S Su, P Hong, and B Lee Univ. of California, Los Angeles, USA*
315	Cellular and Molecular Requirements of DC-SIGN-mediated HIV-1 Transmission V N KewalRamani* NCI, NIH, DHHS, Frederick, MD, USA
316	Fusion Differences between R5 and X4 HIV-1 in Dendritic Cells: Implications for Selective Transmission of R5 Strains M Cavrois, J A Neidleman, C Callebaut, J F Kreisberg, D Fenard, and W C Greene Gladstone Inst. of Virology and Immunology, Univ. of California, San Francisco, USA*
317	R5 HIV-1 Strains Replicate More Efficiently in Primary CD4⁺ T Cell Cultures than X4 HIV-1 Strains B Schweighardt, D A Meiklejohn, E J Grace III, and D F Nixon Gladstone Inst. of Virology and Immunology, Univ. of California, San Francisco, USA*
318	Preferential Utilization of CXCR4 in Primary Lymphocytes but not in Primary Macrophages by R5X4 Strains: Implication for Viral Tropism, Evolution and Pathogenesis Y Yi, D Laddy, and R Collman Univ. of Pennsylvania, Philadelphia, USA*
319	Virus Transmission by Dendritic Cells in a Non-pathogenic Model of SIV Infection M J Ploquin¹, O M Diop², N Sol-Foulon³, L Mortara¹, A Faye², A Amara⁴, O Schwartz³, F Barré-Sinoussi¹, and M C Müller-Trutwin¹ ¹UBR, Inst. Pasteur, Paris, France; ²Inst. Pasteur, Dakar, Senegal; ³Inst. Pasteur, Paris, France; and ⁴UIV, Inst. Pasteur, Paris, France*
320	Attachment Levels of HIV Differ between PBMC Donors in a CD4-independent Manner J Anzinger¹, G Spear¹, I Mezo¹, and M Saifuddin² ¹Rush Univ., Chicago, IL, USA and ²CONRAD Prgm., Arlington, VA, USA*
321	The N-Terminal Domain of APJ, a CNS-based Co-receptor for HIV-1, Is Essential for its Novel Receptor Function and Co-receptor Activity N Zhou, X Zhang, X Fan, E Argyris, J Fang, E Acheampong, G DuBois, and R Pomerantz Thomas Jefferson Univ., Philadelphia, PA, USA*
322	Host Range Extension of Avian Leukosis Virus Following Extensive Passage in Chick Embryo Fibroblasts D Negusse¹, L Drew², and J Coffin¹ ¹Tufts Univ., Boston, MA, USA and ²Univ. of Bath, UK*
323	Effect of Sera from HIV-1-infected Individuals on HIV Envelope-dependent Cell-cell Fusion Is Related to the CD4⁺ Cell Counts, Viral Load, and Clinical Status L Huerta¹, G Gomez-Icazbalceta¹, L Soto-Ramirez², M Viveros-Rogel², R Rodriguez-Diaz², L Fuentes-Romero², E Lamoyi¹, and C Larralde¹ ¹Inst. de Investigaciones Biomedicas, UNAM, Mexico City, MEXICO and ²Natl. Inst. of Med. Sci. and Nutrition, Mexico City, Mexico*