Questions tagged [melatonin]
Hormone responsible for controlling the circadian rhythym.
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What is the mechanism by which Melatonin increases dream vividness and intensity in humans?
I'm looking at the wikipedia article on Melatonin and noticed that it mentions vivid dreaming caused by melatonin. I have the "Melatonin and the Biological clock" pamphlet referenced in the article, ...
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What is the purpose of Prostaglandin F2-alpha and the Prostaglandin F receptor in the melatonin cell signaling pathway?
I've been doing a lot of research recently on the melatonin cell signaling pathway for an extra credit project at school. I've included an image in this post, which is a diagram of the MT1 pathway. It ...
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How is melatonin production related to proteins produced by clock genes?
I am a high school student learning about feedback mechanisms. My teacher gave an example of how proteins produced by clock genes are related to melatonin production. However, I'm confused about the ...
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Origin of melatonin: oxidative stress defense OR circadian rhythm?
Question
Which functional role of melatonin came first?
Regulation of the circadian rhythm
Defense against oxidative stress
Other
Background
I was well aware of the important role melatonin plays ...
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Does iris color effect the amount of light that reaches photosensitive ganglion cells?
Does eye color (of iris) have any effect on the amount of light reaching retina cells and hence effect melatonin production?