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Preparation of a High-quality Primary Cell Culture from Fish Pituitaries
Published on: August 28, 2018
Melatonin effects on the hypothalamo-pituitary axis in fish
Jack Falcón1, Laurence Besseau, Sandrine Sauzet
1Laboratoire Aragó, UMR 7628/GDR2821, Université Pierre et Marie Curie (UPMC) and CNRS, B.P. 44, Avenue du Fontaulé, F-66651, Banyuls-sur-Mer Cedex, France. falcon@obs-banyuls.fr
Trends in Endocrinology and Metabolism: TEM
|February 3, 2007
Summary
Melatonin synchronizes vertebrate circadian rhythms and neuroendocrine functions with environmental light cycles. Its conserved production patterns and diverse evolutionary adaptations offer insights into time-related regulation from fish to mammals.
Area of Science:
- Comparative endocrinology
- Evolutionary biology
- Neuroendocrinology
Background:
- Melatonin is a key hormone produced by vertebrate circadian clocks.
- It synchronizes physiological and behavioral processes with daily and annual photoperiod changes.
- The melatonin system exhibits both conserved features and diverse evolutionary modifications across vertebrates.
Purpose of the Study:
- To explore the targets and mechanisms of melatonin action in fish.
- To compare these actions with those in mammals.
- To understand the evolution of time-related neuroendocrine regulation from fish to mammals.
Main Methods:
- Comparative analysis of melatonin system functions.
- Examination of neuroendocrine regulation pathways.
- Evolutionary studies of hormonal signaling.
Main Results:
- Melatonin's role in synchronizing biological rhythms is conserved across vertebrates.
- Significant diversity exists in melatonin synthesis regulation and action modes.
- Fish and mammals show comparable, yet distinct, melatonin-mediated neuroendocrine pathways.
Conclusions:
- The melatonin system's conserved synchronizing role and diverse evolutionary path provide a model for understanding neuroendocrine regulation.
- Insights gained are valuable for both evolutionary biology and aquaculture applications.
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