Related Experiment Video
Updated: May 30, 2026

Fatty Acid 13C Isotopologue Profiling Provides Insight into Trophic Carbon Transfer and Lipid Metabolism of Invertebrate Consumers
Published on: April 17, 2018
Isoprenoid is a perfect fit for fat factor.
1School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, Australia. aj.brown@unsw.edu.au
Farnesyl pyrophosphate (FPP) may be a natural ligand for peroxisome proliferator-activated receptor gamma (PPARγ), a key regulator of fat cell differentiation. This discovery impacts understanding of obesity, diabetes, and circadian rhythms.
Area of Science:
- Biochemistry
- Molecular Biology
- Endocrinology
Background:
- Nuclear receptors are crucial transcription factors regulating growth, reproduction, and metabolism.
- Nuclear receptors are significant drug targets, but their endogenous ligands are not always fully understood.
- Peroxisome proliferator-activated receptor gamma (PPARγ) is a master regulator of adipocyte differentiation.
Purpose of the Study:
- To identify potential physiological ligands for PPARγ.
- To investigate the role of isoprenoids as ligands for nuclear receptors.
Main Methods:
- Biochemical assays to test ligand binding to PPARγ.
- Studies on adipocyte differentiation in response to FPP.
Main Results:
- Evidence suggests farnesyl pyrophosphate (FPP) acts as a bona fide ligand for PPARγ.
- FPP binding influences PPARγ's role in adipocyte differentiation.
Conclusions:
- FPP is identified as a physiological ligand for PPARγ.
- This finding has implications for metabolic diseases like obesity and diabetes, as well as osteoporosis and circadian rhythm regulation.
Related Concept Videos
Biosynthesis of Lipids
Lipids as Anchors
The carboxy-terminal of most of the prenylated proteins, such as Ras proteins, contains the...
Overview of Fatty Acid Metabolism
Fatty acids are catabolized in a process called beta-oxidation, which takes place in the matrix of the mitochondria and converts their fatty acid chains into two-carbon units of acetyl groups. The acetyl...
Lipid Catabolism
Fats as Energy Storage Molecules
Fats as Energy Storage Molecules

