X4 Tropic Multi-Drug Resistant Quasi-Species Detected at the Time of Primary HIV-1 Infection Remain Exclusive or at Least Dominant Far from PHI
2011

Study of Multi-Drug Resistant HIV Strains at Primary Infection

Sample size: 5 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ghosn Jade, Galimand Julie, Raymond Stéphanie, Meyer Laurence, Deveau Christiane, Goujard Cécile, Izopet Jacques, Rouzioux Christine, Chaix Marie-Laure

Primary Institution: Université Paris Descartes, EA 3620, CHU Necker-Enfants Malades, Paris, France

Hypothesis

What is the evolution of resistance mutations and viral tropism in multi-drug-resistant HIV strains detected at primary infection?

Conclusion

Multi-drug resistant HIV strains persist in patients long after primary infection and can establish themselves as the dominant viral population.

Supporting Evidence

  • All five patients harbored a subtype B strain of HIV.
  • Resistance mutations persisted in both plasma and PBMC samples over time.
  • Clonal analysis showed a highly homogenous viral population in all patients.

Takeaway

This study looked at how certain HIV strains that resist treatment behave over time in patients who got infected early. It found that these resistant strains can stick around and become the main type of virus in the body.

Methodology

The study analyzed resistance mutations and viral tropism using genotypic and phenotypic tests on samples from patients with multi-drug-resistant HIV.

Limitations

The study was limited to a small sample size of five patients, which may not represent the broader population.

Participant Demographics

Four men who have sex with men and one woman, all infected with subtype B strains.

Digital Object Identifier (DOI)

10.1371/journal.pone.0023301

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