Modifiers of mutant huntingtin aggregation functional conservation of C. elegans-modifiers of polyglutamine aggregation
2011

Identifying Genes That Modify Huntingtin Aggregation

Sample size: 524 publication 10 minutes Evidence: moderate

Author Information

Author(s): Teuling Eva, Bourgonje Annika, Veenje Sven, Thijssen Karen, de Boer Jelle, van der Velde Joeri, Swertz Morris, Nollen Ellen

Primary Institution: University Medical Centre Groningen, University of Groningen

Hypothesis

Can human genes identified in C. elegans suppress mutant huntingtin aggregation?

Conclusion

The study identified 26 human genes that suppress the aggregation of mutant huntingtin in cultured cells.

Supporting Evidence

  • 26 human genes were identified that suppress mutant huntingtin aggregation.
  • Knockdown of 90 genes in cultured cells led to increased huntingtin aggregation.
  • Some genes identified had not been previously linked to mutant huntingtin aggregation.

Takeaway

Scientists found some human genes that help prevent a harmful protein from clumping together, which is important for understanding Huntington's disease.

Methodology

The study used RNA interference to knock down human orthologs of C. elegans genes in HEK293 cells and measured the effect on mutant huntingtin aggregation.

Potential Biases

Potential bias in gene selection and the effects of systemic knockdown in C. elegans versus localized knockdown in human cells.

Limitations

The study primarily focused on cultured cells, which may not fully represent in vivo conditions.

Statistical Information

P-Value

p<0.10

Statistical Significance

p<0.10

Digital Object Identifier (DOI)

10.1371/currents.RRN1255

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