Related Experiment Video
Updated: Feb 16, 2026

08:45
Polygraphic Recording Procedure for Measuring Sleep in Mice
Published on: January 25, 2016
25.4K
Docking studies for melatonin receptors.
Hanan Awad Alkozi1, José Maria Sánchez Montero2, Antonio Luis Doadrio3
1a Department of Biochemistry and Molecular Biology IV, Faculty of Optometry , Universidad Complutense de Madrid , Madrid , Spain.
Expert Opinion on Drug Discovery
|December 23, 2017
Summary
Melatonin, a neurohormone, regulates physiological processes via MT1 and MT2 receptors. Understanding receptor interactions and signaling pathways is key to developing targeted therapies.
Area of Science:
- Neuroendocrinology
- Pharmacology
Background:
- Melatonin is a crucial neurohormone involved in numerous physiological functions beyond circadian rhythms.
- Its actions are mediated through two primary receptors: MT1 and MT2.
Purpose of the Study:
- To elucidate the significance of melatonin as a biologically relevant molecule.
- To detail the MT1 and MT2 receptors, their coupled second messengers, and the amino acid residues involved in ligand binding.
Main Methods:
- Review of existing literature on melatonin's biological actions.
- Analysis of receptor structure and function for MT1 and MT2.
- Identification of key amino acid residues in melatonin receptor docking.
Main Results:
- Description of melatonin's diverse physiological roles.
- Characterization of MT1 and MT2 receptors and their associated signaling pathways.
- Identification of specific amino acid residues critical for melatonin binding to MT1 and MT2 receptors.
Conclusions:
- Understanding melatonin's second messenger systems and receptor-ligand interactions is vital.
- This knowledge will facilitate the development of selective agonists and antagonists for therapeutic applications.
- Further research into melatonin receptor pharmacology can lead to novel treatment strategies.
Related Concept Videos
Management of Insomnia
685
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
685
Sedatives and Hypnotics Drugs: Miscellaneous Agents
628
Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
628
Circadian Rhythms and Gene Regulation
4.6K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.6K

