A Comparison of Full-Length Glycoprotein 120 from Incident HIV Type 1 Subtype E and B Infections in Bangkok Injecting Drug Users with Prototype E and B Strains That Are Components of a Candidate Vaccine
Copyright policy )A Comparison of Full-Length Glycoprotein 120 from Incident HIV Type 1 Subtype E and B Infections in Bangkok Injecting Drug Users with Prototype E and B Strains That Are Components of a Candidate Vaccine
Complete gp120 sequence information was obtained from eight persons with incident HIV-1 infections (four subtype E and four subtype B) who were part of a prospective injecting drug user (IDU) cohort in Bangkok, Thailand, during 1996-1998. The incident subtype E strains were similar to the prototype subtype E strain CM244 isolated in 1992 in northern Thailand. The incident subtype B strains displayed divergence, in both overall genetic distance and other significant gp120 characteristics, from the prototype North American subtype B strain HIV-MN. Recombinant gp120s derived from CM244 and HIV-MN strains are components of a vaccine that is undergoing phase III efficacy testing, begun in March 1999, among Bangkok area IDUs. The information presented here will be important in the evaluation of any breakthrough HIV-1 infections occurring among vaccinees during the vaccine trial and in ongoing vaccine development efforts in Thailand.
- Centers for Disease Control and Prevention United States
AIDS Vaccines, Molecular Sequence Data, Vaccination, HIV Infections, HIV Envelope Protein gp120, Thailand, HIV-1, Humans, Amino Acid Sequence, Substance Abuse, Intravenous, Phylogeny
AIDS Vaccines, Molecular Sequence Data, Vaccination, HIV Infections, HIV Envelope Protein gp120, Thailand, HIV-1, Humans, Amino Acid Sequence, Substance Abuse, Intravenous, Phylogeny
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