Fatty Acid Desaturation Links Germ Cell Loss to Longevity Through NHR-80/HNF4 in C. elegans
2011

Fatty Acid Desaturation and Longevity in C. elegans

Sample size: 195 publication 10 minutes Evidence: high

Author Information

Author(s): Goudeau Jérôme, Bellemin Stéphanie, Toselli-Mollereau Esther, Shamalnasab Mehrnaz, Chen Yiqun, Aguilaniu Hugo

Primary Institution: Ecole normale supérieure de Lyon–CNRS–Université de Lyon

Hypothesis

Does fatty acid desaturation link germ cell loss to longevity through NHR-80/HNF4 in C. elegans?

Conclusion

The study shows that the NHR-80 pathway is essential for linking fatty acid desaturation to lifespan extension through germline ablation.

Supporting Evidence

  • NHR-80 is required for lifespan extension through germline removal.
  • Overexpressing nhr-80 increases the lifespan of germline-less animals.
  • Fatty acid desaturase FAT-6 is a key target of NHR-80.

Takeaway

When worms lose their germ cells, they live longer, and this is linked to a process that changes how their body uses fats.

Methodology

The study used RNAi to screen for nuclear receptors affecting lifespan in C. elegans with germline ablation.

Participant Demographics

C. elegans nematodes, specifically glp-1(e2141ts) mutants.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pbio.1000599

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication