Glutamate-Gated Chloride Channels of Haemonchus contortus Restore Drug Sensitivity to Ivermectin Resistant Caenorhabditis elegans
2011

How Parasite Genes Affect Drug Resistance in Worms

Sample size: 3 publication 10 minutes Evidence: moderate

Author Information

Author(s): Glendinning Susan K., Buckingham Steven D., Sattelle David B., Wonnacott Susan, Wolstenholme Adrian J.

Primary Institution: University of Bath

Hypothesis

Can glutamate-gated chloride channel subunits from Haemonchus contortus restore ivermectin sensitivity in resistant Caenorhabditis elegans?

Conclusion

The study found that expressing certain parasite GluCl subunits in C. elegans can restore its sensitivity to ivermectin, suggesting a potential method for studying drug resistance.

Supporting Evidence

  • Expression of GluCl subunits from both species restored drug sensitivity to transgenic worms.
  • Statistically significant differences in paralysis rates were observed between transgenic lines and the parent strain.
  • Transgenic worms expressing Hco-AVR-14B showed increased sensitivity to ivermectin.

Takeaway

Scientists tested if genes from a parasite could help worms that are resistant to a medicine called ivermectin. They found that some genes worked and made the worms sensitive to the medicine again.

Methodology

The researchers expressed GluCl subunits from both C. elegans and H. contortus in a resistant C. elegans strain and tested their sensitivity to ivermectin.

Limitations

The study is limited by the complexity of genetic interactions and the potential differences in gene expression between C. elegans and H. contortus.

Statistical Information

P-Value

<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022390

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