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Updated: May 9, 2026
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Dietary Supplementation of Polyunsaturated Fatty Acids in Caenorhabditis elegans
Published on: November 29, 2013
Bile acid look-alike controls life span in C. elegans
Albert K Groen1, Folkert Kuipers
1Departments of Pediatrics and Laboratory Medicine, University of Groningen, University Medical Center Groningen, The Netherlands. a.k.groen@umcg.nl
Cell Metabolism
|August 13, 2013
Summary
The nuclear receptor NHR-8 regulates cholesterol balance and produces dafachronic acid, a steroid hormone influencing longevity in C. elegans. This highlights NHR-8
Area of Science:
- Molecular Biology
- Endocrinology
- Genetics
Background:
- Sterol homeostasis is crucial for health, maintained by complex transcriptional networks.
- Steroid hormones play vital roles in regulating physiological processes.
Purpose of the Study:
- To investigate the role of the nuclear receptor NHR-8 in C. elegans cholesterol regulation.
- To identify key regulators of dafachronic acid production and its function.
Main Methods:
- Utilized C. elegans as a model organism.
- Investigated the function of the nuclear receptor NHR-8 through genetic and molecular approaches.
Main Results:
- Identified NHR-8 as a critical regulator of cholesterol homeostasis in C. elegans.
- Demonstrated that NHR-8 controls the production of dafachronic acid.
- Showcased dafachronic acid's role as a bile acid-like steroid influencing longevity.
Conclusions:
- NHR-8 is a key mediator of sterol balance and dafachronic acid production in C. elegans.
- Dafachronic acid, regulated by NHR-8, is a significant factor in C. elegans longevity.
