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Updated: Jul 7, 2025
06:53
Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
Published on: November 11, 2016
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REVERBA couples the circadian clock to Leydig cell steroidogenesis
Aleksandar Z Baburski1, Alisa P Becin1, Dijana Z Travicic1
1University of Novi Sad, Faculty of Sciences, Department of Biology and Ecology, Laboratory for Chronobiology and Aging, Laboratory for Reproductive Endocrinology and Signaling, Novi Sad, Serbia.
Biofactors (Oxford, England)
|December 26, 2023
Summary
The REVERBA gene regulates key genes for testosterone production in Leydig cells. Its circadian rhythm influences androgen synthesis, highlighting its role in male reproductive health.
Area of Science:
- Endocrinology
- Chronobiology
- Molecular Biology
Background:
- The molecular clock regulates cellular processes, but its role in Leydig cell androgen production is unclear.
- REVERBA (NR1D1) is a core clock gene with potential links to steroidogenesis.
Purpose of the Study:
- To investigate the role of the REVERBA gene in regulating testosterone production in rat Leydig cells.
- To determine the impact of REVERBA's circadian fluctuations on the transcription of steroidogenic genes.
Main Methods:
- Collected rat Leydig cells across a 24-hour period to assess daily gene expression patterns.
- Performed chromatin immunoprecipitation to analyze REVERBA binding to steroidogenesis-related gene promoters.
- Treated Leydig cells with REVERBA agonist (GSK4112) or antagonist (SR8278) at specific time points.
Main Results:
- Steroidogenic gene expression (Nur77, Star, Cyp11a1, Cyp17a1) exhibited time-dependent patterns correlating with REVERBA levels.
- REVERBA agonist treatment stimulated gene transcription, while the antagonist inhibited it, dependent on REVERBA presence.
- REVERBA-mediated gene regulation directly impacted testosterone production in Leydig cell cultures.
Conclusions:
- REVERBA plays a critical role in the circadian regulation of androgen production in Leydig cells.
- REVERBA influences testosterone synthesis by modulating the transcription of key steroidogenic genes.
- This finding establishes REVERBA as a key link between the molecular clock and male reproductive hormone regulation.
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