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. 1996 Sep;70(9):6235–6243. doi: 10.1128/jvi.70.9.6235-6243.1996

Multivariate analysis of human immunodeficiency virus type 1 neutralization data.

P N Nyambi 1, J Nkengasong 1, P Lewi 1, K Andries 1, W Janssens 1, K Fransen 1, L Heyndrickx 1, P Piot 1, G van der Groen 1
PMCID: PMC190648  PMID: 8709250

Abstract

We report on the use of spectral map analysis of the inter- and intraclade neutralization data of 14 sera of human immunodeficiency virus type 1 (HIV-1)-infected individuals and 16 primary isolates, representing genetic clades A to H in group M and group O. This multivariate analysis has been used previously to study the interaction between drugs and receptors and between viruses and antiviral compounds. The analysis reveals the existence of neutralization clusters, not correlated with the known genetic clades. The structural factors that have been identified may correlate with the most important neutralization epitopes. Three key primary HIV-1 isolates, which allow discrimination of sera that are likely or unlikely to neutralize primary isolates from most of the genetic clades, were identified. Our method of analysis will facilitate the evaluation as well as the design of suitable HIV-1 vaccines, which induce high-titer interclade cross-neutralizing antibodies.

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Selected References

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