CCR5Δ32 Genotypes in a German HIV-1 Seroconverter Cohort and Report of HIV-1 Infection in a CCR5Δ32 Homozygous Individual
2008

CCR5Δ32 Genotypes and HIV-1 Infection in Germany

Sample size: 1200 publication 10 minutes Evidence: moderate

Author Information

Author(s): Oh Djin-Ye, Jessen Heiko, Kücherer Claudia, Neumann Konrad, Oh Nari, Poggensee Gabriele, Bartmeyer Barbara, Jessen Arne, Pruss Axel, Schumann Ralf R., Hamouda Osamah

Primary Institution: Charité University Medical Center, Berlin, Germany

Hypothesis

What is the influence of the CCR5Δ32 deletion on susceptibility to and progression of HIV infection?

Conclusion

The study confirms the protective effect of CCR5 Δ32 heterozygosity in a large cohort of German seroconverters, but highlights rapid disease progression in a CCR5 Δ32 homozygous individual.

Supporting Evidence

  • Homozygosity for the CCR5Δ32 deletion is associated with strong resistance against HIV infection.
  • Heterozygosity for the CCR5Δ32 deletion is linked to slower disease progression in HIV-positive individuals.
  • One individual in the study was found to be homozygous for the CCR5Δ32 deletion and experienced rapid disease progression.

Takeaway

Some people have a gene that helps protect them from getting HIV, but one person with that gene got sick really fast.

Methodology

The study genotyped 737 HIV-positive adults and 463 healthy controls for the CCR5Δ32 deletion.

Potential Biases

Potential bias in participant selection as the study was conducted in a specific clinic.

Limitations

The study may not fully represent all ethnic groups as it primarily focused on Caucasian individuals.

Participant Demographics

The majority of participants were Caucasian males, with a median age of 39 years.

Statistical Information

P-Value

0.1

Statistical Significance

p=0.1

Digital Object Identifier (DOI)

10.1371/journal.pone.0002747

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