Antidepressant actions of melatonin and melatonin receptor agonist: Focus on pathophysiology and treatment sciencedirect.com/science…
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πŸ‘€︎ u/Psychnews
πŸ“…︎ Dec 18 2021
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NMDA Receptors, Dissociation and Melatonin

Hi,

I suffer from something called dissociation and I have been taking Melatonin for over 2 years now ( I know, way too long), but since of yesterday I told myself that Im going to quit it. Now I read online that Melatonin actually blocks the NMDA Receptors which then can lead to dissociation and malfunctioning of some brain parts (just like Ketamine). And I wanted to ask you whether someone has any idea on how to open up the NMDA receptors, which then might make me dissociate less (I think?)

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πŸ‘€︎ u/No_Bag_7238
πŸ“…︎ Nov 30 2021
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Antidepressant actions of melatonin and melatonin receptor agonist: Focus on pathophysiology and treatment sciencedirect.com/science…
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πŸ‘€︎ u/HearTomorrow
πŸ“…︎ Dec 21 2021
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Effects of dual orexin receptor antagonists and melatonin agonists on cognition, memory, and learning

Hey everyone,

I’m a behavioral neuroscience major and I’m really interested in sleep medications and how they affect the brain. But to be completely honest, I’m not too sure about the technical terms behind some of the literature I’m reading. I’m familiar with benzos, non benzos, antipsychotics, SSRIs and those similar to them to a degree. I recently read that melatonin can actually inhibit long term potentiation by affecting MT1 and MT2, and I can’t find too much information about dual orexin receptor agonists in my university database. I think I read that the dual orexin receptor antagonists affect working memory negatively, but I’m not sure. Could you guys help me understand these two medications a bit more in regards to how they affect memory, learning, and cognition?

Thank you in advance and I look forward to reading your responses!

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πŸ‘€︎ u/Trees12354
πŸ“…︎ Jun 15 2021
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Melatonin agonist - can it downregulate receptors permanently?

I have read that using melatonin supplements affect the bodies own ability to produce natural melatonin. Agomelatine being a melatonin receptor agonist, could it cause the same problem after drug discontinuation?

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πŸ“…︎ May 01 2021
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Covid-19 Pathophysiology: Interactions of Gut Microbiome, Melatonin, Vitamin D, Stress, Kynurenine and the Alpha 7 Nicotinic Receptor. Treatment Implications researchgate.net/profile/…
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πŸ‘€︎ u/D-R-AZ
πŸ“…︎ May 19 2020
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Melatonin receptors limit dopamine reuptake by regulating dopamine transporter cell-surface exposure link.springer.com/article…
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πŸ‘€︎ u/kayjy
πŸ“…︎ Dec 29 2018
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Melatonin administration increases the affinity of D2 dopamine receptors in the rat striatum. - PubMed ncbi.nlm.nih.gov/pubmed/9…
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πŸ‘€︎ u/painkillerrr
πŸ“…︎ Mar 18 2019
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Covid-19 Pathophysiology: Interactions of Gut Microbiome, Melatonin, Vitamin D, Stress, Kynurenine and the Alpha 7 Nicotinic Receptor. Treatment Implications researchgate.net/profile/…
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πŸ‘€︎ u/HearTomorrow
πŸ“…︎ May 19 2020
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ramelteon acts on M1 and M2 in the suprachiatic nucleus which in turn stimulates production of melatonin from pineal gland right?so what effect does melatonin itself have on M1 M2 when it binds to these receptors?since M1 and M2 receptors are melatonin receptors
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πŸ‘€︎ u/novvbgg
πŸ“…︎ Jun 09 2019
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A team of researchers has now created 3D maps of MT1 and MT2 melatonin receptors revealing the structural basis of the selectivity of each receptor subtype. They intend to use this structural information to design drug molecules that better target and bind to each of the two receptors. technologynetworks.com/dr…
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πŸ‘€︎ u/LMasonSci
πŸ“…︎ Apr 24 2019
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Involvement of dopamine receptors in the antidepressant-like effect of melatonin in the tail suspension test.2010 ncbi.nlm.nih.gov/pubmed/2…
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πŸ‘€︎ u/spyderspyders
πŸ“…︎ Jul 01 2019
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could the antidopamineic effects from melatonin be used to upregulate D3 dopamine receptors treat anhedonia

Study's have suggested the use of melatonin is antidopamineic within specific areas in the brain. There have also been study's showing that if protects your brain from dopamine downregulation associated with heavy stim abuse, but what about speeding up the recovery period (specifically upregulation of dopamine receptors). Or perhaps even more exciting is upregulation of dopamine within the regular healthy person? Is it possible that these effects could be harnessed to almost act in a nootropic sense aside from benefits of sleep? What if someone dosed melatonin every several hours to keep dopamine receptors continuously suppressed? They would probably feel pretty bad but once they stopped would they not feel great for an extended period of time??

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πŸ‘€︎ u/2_mlg_4_u
πŸ“…︎ Nov 02 2016
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Melatonin administration increases the affinity of D2 dopamine receptors in the rat striatum (1998) ncbi.nlm.nih.gov/pubmed/9…
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πŸ‘€︎ u/SuperAgonist
πŸ“…︎ Dec 24 2015
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Melatonin receptor stimulation by agomelatine prevents AΞ²-induced tau phosphorylation and oxidative damage in PC12 cells. [2019] ncbi.nlm.nih.gov/pubmed/3…
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πŸ‘€︎ u/EnLilaSko
πŸ“…︎ Feb 06 2019
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Structural basis of ligand recognition at the human MT1 melatonin receptor nature.com/articles/s4158…
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πŸ‘€︎ u/B0bcat123
πŸ“…︎ May 15 2019
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Publisher Correction: Structural basis of ligand recognition at the human MT1 melatonin receptor nature.com/articles/s4158…
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πŸ‘€︎ u/officialcitral
πŸ“…︎ May 02 2019
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Does anyone know much about Melatonin Receptors and if a Melatonin Overdose could cause them to burnout/become desensitized.

So I have been experiencing extreme fatigue, falling asleep easily and very vivid dreams each night as well as other symptoms since taking Melatonin and saw a sleep specialist today. A sleep study was ordered on me as they could not explain what was going on.

I was wondering if anyone knows much about melatonin receptors and if they got desensitized could they cause the sleep cycle to get out of whack. I have described my symptoms in past posts and can post here if people are interested.

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πŸ‘€︎ u/wizzo95
πŸ“…︎ Dec 18 2018
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Melatonin administration alters nicotine preference consumption via signaling through high-affinity melatonin receptors (2015) link.springer.com/article…
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πŸ‘€︎ u/methylfentanyl
πŸ“…︎ Mar 18 2015
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Postprandial somnolence: How exactly tryptophan, serotonin, melatonin and carbohydrates affect sleepines? What is the mechanism behind that and what receptors are in charge?

Hey guys!

I've decided to find out why do we may feel sleepy after lunch. Read a ton of articles about circadian rhythms, discovered how adenosine works, and it was very clear, but didn't find any clear evidence that tryptophan, serotonin, melatonin and carbohydrates affect some sort of receptors or stuff that can put us to sleep. Also the whole internet is contradictory on that topic.

Can you please help me to deal with the issue? Thanx!

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πŸ‘€︎ u/mayhopar
πŸ“…︎ Feb 24 2018
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So which would be stronger at the M1 and M2 receptors? Rozerem or Melatonin?

It's from my understanding, that Melatonin binds to the appropriate receptors specifically because it's chemical structure is appropriate to that type of receptor and because it's the endogenous chemical produced by the body specifically for that receptor. It should have the have the highest affinity and efficacy at that receptor.

However, a drug company made Rozerem for the treatment of insomnia. I would assume, and correct and explain to me the reason I'm wrong please, that it's going to have to be chemically similar to the melatonin structure such that the binding can take place. My question is why would Rozerem be marketed as superior to Melatonin because it can't be a 1 to 1 match and would have a slightly different molecular structure and bind at what I would assume is a weaker effect.

It's obviously used for a reason. Probably because it's stronger and better. That means my understanding is incorrect and requires correction. I would appreciate that a lot. Thanks

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πŸ“…︎ May 20 2018
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Adjunctive treatment with melatonin receptor agonists for older delirious patients with the sundowning phenomenon (β€œPsychopharmacology for the Clinician” brief overview) [J Psychiatry Neurosci., Mar 2015 β€” free full-text] ncbi.nlm.nih.gov/pmc/arti…
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πŸ‘€︎ u/isosafrole
πŸ“…︎ Oct 29 2015
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Antinociceptive properties of selective MT2 melatonin receptor partial agonists (2015) sciencedirect.com/science…
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πŸ‘€︎ u/methylfentanyl
πŸ“…︎ Jul 14 2015
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Neuroprotective effect of melatonin against ischemia is partially mediated by alpha-7 nicotinic receptor modulation and HO-1 overexpression - Parada - 2014 - Journal of Pineal Research onlinelibrary.wiley.com/d…
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πŸ‘€︎ u/methylfentanyl
πŸ“…︎ Mar 18 2015
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[Review] (Therapeutic Effects of Melatonin Receptor Agonists on Sleep and Comorbid Disorders (2014) [PDF] mdpi.com/1422-0067/15/9/1…
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πŸ‘€︎ u/dysmetric
πŸ“…︎ Sep 13 2014
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*chuckles* I'm in danger
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πŸ‘€︎ u/Hari1o1
πŸ“…︎ Jan 13 2022
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Melatonin drugs inhibit SARS-CoV-2 entry into the brain and virus-induced damage of cerebral small vessels biorxiv.org/content/10.11…
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πŸ‘€︎ u/icloudbug
πŸ“…︎ Jan 04 2022
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I have been taking high doses of glycine (30g) every day for several years. I always assumed it was safe since it's an amino acid found in high levels in foods. Any thoughts?

I have a sleep disorder where I do not enter deep sleep properly (my sleep study showed I dipped moved from light sleep to REM with little stage 3 or 4). After years of research I discovered glycine promotes these stages of sleep that I was missing. Now I have almost completely managed to control it with high doses of glycine (15g, twice nightly, 30g total). I buy AjiPure since it's the only pharmaceutical grade glycine I can find. I assumed it was safe since glycine is commonly found in high amounts in foods. Any reason to think I might be wrong?

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πŸ‘€︎ u/DestinedWalnut
πŸ“…︎ Dec 27 2021
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I've never had insomnia before and anxiety is at an all-time high. Any recommendations? Even though my ADHD meds are helping, I'm still struggling.

I think my recent COVID diagnosis triggered this, but I'm not sure. I take lamictal and adderal for ADD/depression, but I've never had issues with lack of sleep. I cannot go to bed for the life of me lately.

I take ashwagandha in the AM and PM, and that's it besides regular vitamins. I've been trying valerian root tea at night the past few days but I feel like it's only making it worse. Same with CBD/CBN gummies - it's even more triggering. I don't know what to do. Any advice helps.

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πŸ‘€︎ u/8mperatore
πŸ“…︎ Jan 18 2022
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Can I take melatonin after taking molly?

Took 400 mg and I know I’ll be Tired for the comedown. Am I fine to take these to fall asleep?

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πŸ‘€︎ u/savagexix
πŸ“…︎ Dec 22 2021
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