ArticleJournal of biological rhythms2026
Daily Rhythms in Clock Gene mRNA Expression in Serotonergic Brain Regions of Adult Male Rats.
Article in Journal of biological rhythms, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Dysregulation of the serotonergic system is consistently noted in cases of psychiatric pathology. Circadian rhythm dysregulation is also a common comorbidity in psychiatric populations, and the circadian and serotonergic systems have a long history of coregulation. Despite this, it is not yet known whether serotonergic neurons house circadian molecular clocks, the transcription and translation feedback loops that drive circadian rhythms at the cellular level. To investigate this, brain tissue was extracted from adult male rats every 4 h throughout the light-dark cycle. Radiolabeled in situ hybridization was used to quantify clock gene expression in the dorsal and median raphe, the two nuclei responsible for providing the majority of serotonin to the brain. We discovered oscillatory rhythms in the expression of clock genes
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