Differential in vitro inhibitory activity against HIV-1 of alpha-(1-3)- and alpha-(1-6)-D-mannose specific plant lectins: Implication for microbicide development
2007

Plant Lectins as Potential Microbicides Against HIV

publication 10 minutes Evidence: moderate

Author Information

Author(s): Saïdi Hela, Nasreddine Nadine, Jenabian Mohammad-Ali, Lecerf Maxime, Schols Dominique, Krief Corinne, Balzarini Jan, Bélec Laurent

Primary Institution: Unité INSERM U743, Centre de Recherches Biomédicales des Cordeliers, Paris, France

Hypothesis

Can mannose-specific plant lectins inhibit HIV interactions with target cells?

Conclusion

HHA shows higher inhibitory activity against HIV compared to GNA, suggesting its potential as an effective microbicide.

Supporting Evidence

  • HHA inhibited HIV attachment to epithelial cells in a dose-dependent manner.
  • GNA showed moderate inhibition of HIV adsorption only at high doses.
  • HHA was adsorbed at the epithelial cell surface, indicating specific interaction.
  • Both lectins were non-toxic below 200 μg/ml.
  • HHA inhibited HIV transcytosis through epithelial cell monolayers.

Takeaway

This study found that a plant protein called HHA can help stop HIV from attaching to cells, which could be useful for creating new medicines to prevent HIV.

Methodology

The study evaluated the inhibitory effects of HHA and GNA on HIV adsorption and transcytosis using various cell lines.

Limitations

The study was conducted in vitro, and results may not fully translate to in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1479-5876-5-28

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