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Melatonin and its physiological and therapeutic properties

J Z Nowak¹, J B Zawilska

¹Institute of Biogenic Amines, Polish Academy of Sciences, Lódź, Poland.

Pharmacy World & Science : PWS

|April 16, 1998

Summary

Melatonin, a hormone from the pineal gland, regulates circadian rhythms and is influenced by light and age. Its functions are mediated by melatonin receptors, impacting chronobiology and hormonal balance.

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Area of Science:

Endocrinology
Chronobiology
Neuroscience

Background:

Melatonin is a key hormone produced by the pineal gland in vertebrates.
The melatoninergic system exhibits photosensitivity, circadian rhythmicity, and age-related decline.
Melatonin influences physiological processes by acting on specific receptors.

Purpose of the Study:

To review recent advancements in understanding the melatoninergic system.
To summarize current knowledge on melatonin's mechanisms of action.
To explore the therapeutic potential of melatonin.

Main Methods:

Review of recent metabolic, receptor, and functional studies.
Analysis of melatonin's physiological roles and distribution of its receptors.
Synthesis of current literature on melatoninergic mechanisms.

Main Results:

The melatonin system is characterized by photosensitivity, circadian rhythmicity, and age-related decline.
Melatonin levels correlate with dark periods, acting as a biological clock and calendar.
Receptor distribution highlights roles in chronobiology and hormonal regulation.

Conclusions:

Melatonin plays a crucial role in regulating circadian rhythms and photoperiodism.
The melatoninergic system's organization and receptor distribution are key to its functions.
Further research into melatonin mechanisms may yield therapeutic applications.

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