Susceptibility of HIV-1 Subtypes B′, CRF07_BC and CRF01_AE that Are Predominantly Circulating in China to HIV-1 Entry Inhibitors
2011

HIV-1 Subtype Susceptibility to Entry Inhibitors in China

Sample size: 14 publication 10 minutes Evidence: moderate

Author Information

Author(s): Yu Xiaoling, Yuan Lin, Huang Yang, Xu Weisi, Fang Zhiming, Liu Shuwen, Shao Yiming, Jiang Shibo, Ma Liying

Primary Institution: State Key Laboratory for Infection Disease Prevention and Control, National Center for AIDS/STD Control and Prevention (NCAIDS), Chinese Center for Disease Control and Prevention (China-CDC), Beijing, China

Hypothesis

What is the baseline susceptibility of predominant HIV-1 subtypes in China to HIV entry inhibitors?

Conclusion

There are significant differences in baseline susceptibility to HIV entry inhibitors among the predominant HIV-1 subtypes in China.

Supporting Evidence

  • CRF07_BC isolates were about 5-fold less sensitive to enfuvirtide than B′ and CRF01_AE isolates.
  • Subtype B′ isolates were about 4- to 5-fold more sensitive than CRF07_BC and CRF01_AE isolates to maraviroc and TAK779.
  • AMD3100 showed no significant inhibitory activity against any of the isolates tested.

Takeaway

This study looked at how different types of HIV in China respond to new medicines that stop the virus from entering cells. It found that some types are more resistant than others.

Methodology

The study tested the susceptibility of 14 HIV-1 isolates to various entry inhibitors using virus inhibition assays.

Potential Biases

Potential biases may arise from the limited diversity of the sample and the specific geographic focus.

Limitations

The study had a relatively small sample size and high variation in susceptibility data.

Participant Demographics

The participants included 11 males and 3 females, averaging 37.6 years old, infected through various pathways.

Statistical Information

P-Value

0.004

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0017605

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication