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The extraneural distribution of gamma-hydroxybutyrate
Journal of Neurochemistry
|November 1, 1981
Summary
Gamma-hydroxybutyrate (GHB) is present in many rat tissues, with higher concentrations found in the kidney and brown fat than in the brain. This suggests GHB has diverse metabolic roles beyond the central nervous system.
Area of Science:
- Neuroscience
- Biochemistry
- Physiology
Background:
- Gamma-hydroxybutyrate (GHB) is a molecule found in the brain.
- Its role in extraneural tissues is not well understood.
Purpose of the Study:
- To investigate the distribution and concentration of GHB in various rat tissues.
- To explore potential extraneural metabolic roles of GHB.
Main Methods:
- Tissue sampling from different organs in rats.
- Quantification of GHB concentrations in neural and extraneural tissues.
Main Results:
- GHB is widely distributed in both neural and extraneural tissues.
- Kidney and brown fat exhibit over 10-fold higher GHB concentrations compared to the brain.
Conclusions:
- GHB likely participates in the metabolism of multiple organs.
- GABA may not be the sole precursor for GHB in extraneural tissues.