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Genetic, antigenic and serologic characterization of human immunodeficiency virus type 1 from Indonesia

  • Kevin R. Porter*
  • , John R. Mascola
  • , Hudoyo Hupudio
  • , Daniel Ewing
  • , Thomas C. VanCott
  • , Ronald L. Anthony
  • , Andrew L. Corwin
  • , Soeprapto Widodo
  • , Soekardjo Ertono
  • , Francine E. McCutchan
  • , Donald S. Burke
  • , Curtis G. Hayes
  • , F. Stephen Wignall
  • , Robert R. Graham
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

To examine the genetic and antigenic characteristics of HIV-1 in Indonesia, samples from 19 HIV-positive volunteers were studied. By a combination of PCR typing and DNA sequence analysis, 12 of the 19 volunteers were determined to be infected with HIV-1 clade B and seven with clade E. Six of the seven Indonesian clade E isolates were from volunteers associated with the Indonesian Military during a peacekeeping mission in Cambodia. Infectivity reduction neutralization assays showed that the Indonesian E viruses were effectively neutralized by Thailand clade E HIV-1 antisera but not by U.S. clade B antisera. The Indonesian clade B virus tested was neutralized by U.S. clade B antisera and not by the Thailand E antisera. Using a previously described serologic typing ELISA based on clade B and E V3 peptides, genetic clade was accurately determined in eight of eight sera tested. This is the first report of the genetic and antigenic analysis of HIV-1 isolates from Indonesia. The data indicate that at least two genetic and antigenic HIV-1 clades (clade E and B) circulate in Indonesia.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalJournal of Acquired Immune Deficiency Syndromes and Human Retrovirology
Volume14
Issue number1
DOIs
StatePublished - 1 Jan 1997
Externally publishedYes

Keywords

  • Genotype
  • HIV-1
  • Neutralization tests

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