Infection of human monocyte-derived dendritic cells by ANDES Hantavirus enhances pro-inflammatory state, the secretion of active MMP-9 and indirectly enhances endothelial permeability
2011

How Andes Hantavirus Affects Dendritic Cells and Blood Vessel Function

publication 10 minutes Evidence: moderate

Author Information

Author(s): Marsac Delphine, García Stephanie, Fournet Alexandra, Aguirre Adam, Pino Karla, Ferres Marcela, Kalergis Alexis M, Lopez-Lastra Marcelo, Veas Francisco

Primary Institution: Pontificia Universidad Católica de Chile

Hypothesis

Soluble factors secreted by ANDV-infected dendritic cells contribute to increased endothelial permeability.

Conclusion

ANDV infects dendritic cells, leading to a pro-inflammatory state and increased endothelial permeability.

Supporting Evidence

  • ANDV infection leads to increased secretion of pro-inflammatory cytokines like TNF-α.
  • Infected dendritic cells show enhanced expression of matrix metalloproteinase-9.
  • Supernatants from ANDV-infected dendritic cells increase endothelial permeability.

Takeaway

When a virus called Andes Hantavirus infects certain immune cells, it makes them more active and can cause blood vessels to leak, which is not good for health.

Methodology

Dendritic cells were infected with ANDV, and their maturation and pro-inflammatory responses were assessed, including the measurement of cytokines and endothelial permeability.

Limitations

The study was conducted in vitro, which may not fully represent in vivo conditions.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1743-422X-8-223

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