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[Melatoninergic receptor agonists and antagonists: therapeutic perspectives]
1Servier Monde, 22, rue Garnier, 92578 Neuilly-sur-Seine Cedex. beatrice.guardiola@fr.netgrs.com
Journal De La Societe De Biologie
|September 1, 2007
Summary
Melatonin regulates circadian rhythms and influences mood and body weight. Melatonin-based drugs show promise for treating depression and obesity by targeting these biological rhythms.
Area of Science:
- Neuroendocrinology
- Chronobiology
Context:
- Melatonin, a neurohormone synthesized in the pineal gland, regulates circadian and seasonal rhythms, impacting sleep, body temperature, and cortisol secretion.
- Dysfunctional melatonin secretion is linked to mood disorders like depression and metabolic issues such as obesity.
- Existing treatments for depression and obesity do not fully address the underlying circadian rhythm disruptions.
Purpose:
- To explore the role of melatonin in regulating biological rhythms and its implications in depression and obesity.
- To investigate the therapeutic potential of melatoninergic agonists and antagonists for treating mood and metabolic disorders.
Summary:
- Melatonin governs circadian and seasonal rhythms, influencing sleep-wake cycles, body temperature, and hormone secretion.
- Reduced or desynchronized melatonin secretion is observed in patients with severe depression and obesity.
- Melatoninergic agonists (e.g., agomelatin) show antidepressant and anxiolytic effects, while antagonists limit weight gain in preclinical models.
Impact:
- Melatoninergic agonists and antagonists represent a novel therapeutic strategy for depression and obesity.
- Targeting melatonin pathways could offer innovative treatments for major public health challenges.
- Understanding melatonin's role enhances insights into the neurobiology of mood and metabolic regulation.
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