Lack of Evidence for the Direct Activation of Endothelial Cells by Adult Female and Microfilarial Excretory-Secretory Products
2011

Endothelial Activation in Filariasis

publication Evidence: low

Author Information

Author(s): Weinkopff Tiffany, Lammie Patrick

Primary Institution: Department of Cell Biology, University of Georgia

Hypothesis

The Excretory-Secretory products of filarial worms activate lymphatic endothelial cells.

Conclusion

The study found no evidence that Excretory-Secretory products directly activate lymphatic endothelial cells.

Supporting Evidence

  • The study tested various approaches to assess the activation of lymphatic endothelial cells.
  • No reproducible proliferation of lymphatic endothelial cells was detected in response to the Excretory-Secretory products.
  • Positive controls induced expected responses, confirming cell viability.

Takeaway

The researchers wanted to see if substances from filarial worms could make certain cells in our body more active, but they found that these substances didn't have that effect.

Methodology

The study involved culturing lymphatic endothelial cells and exposing them to filarial Excretory-Secretory products to assess changes in activation and proliferation.

Limitations

The study was limited to in vitro conditions which may not fully replicate the in vivo environment of filarial infections.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022282

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