Tag

Serotonin

All articles tagged with #serotonin

Sleep deprivation triggers brain–gut signals that damage gut stem cells
health16 days ago

Sleep deprivation triggers brain–gut signals that damage gut stem cells

New research in Cell Stem Cell shows sleep deprivation in mice activates a brain-to-gut signaling cascade via the vagus nerve, triggering a surge of serotonin in the gut that damages intestinal stem cells and impairs the gut’s regenerative capacity. The study links insomnia to gut dysfunction and suggests acetylcholine from the vagus nerve drives serotonin release, highlighting potential therapeutic targets to protect gut health in sleep-disordered individuals.

Light-Activated Amino Acids Yield Psychedelic-Style Brain Drugs Without Hallucinations
neuroscience1 month ago

Light-Activated Amino Acids Yield Psychedelic-Style Brain Drugs Without Hallucinations

UC Davis researchers developed a light-driven method that combines amino acids with tryptamine and, after UV exposure, reshapes them into new molecules that activate the serotonin 5-HT2A receptor and may offer psychedelic-like brain benefits without altering perception. In mice, the leading compound fully activated 5-HT2A but did not induce hallucinogenic behaviors (head-twitch responses), leading researchers to pursue further studies on how other serotonin receptors might modulate or suppress perceptual effects.

Scientists Reveal Serotonin's Potential Role in Cancer
health3 months ago

Scientists Reveal Serotonin's Potential Role in Cancer

Recent research reveals that serotonin, beyond its role in mood regulation, may influence cancer development by interacting with DNA and activating cancer-related genes. Scientists are exploring targeted epigenetic therapies and ways to modulate serotonin levels, such as using SSRIs, to potentially improve cancer treatment outcomes. Understanding serotonin's diverse functions could lead to more precise therapies in the future.

Beyond Serotonin: The Comprehensive Brain Engagement of Psychedelics
science7 months ago

Beyond Serotonin: The Comprehensive Brain Engagement of Psychedelics

A new study reveals that psychedelics like LSD, psilocybin, and mescaline interact with a wide range of neural receptors beyond just serotonin, engaging multiple pathways that may explain their complex effects and therapeutic potential. These compounds activate numerous serotonin, dopamine, and adrenergic receptors, stimulating diverse intracellular signaling pathways, which could allow for the development of targeted, non-hallucinogenic therapies for mental health conditions. The findings highlight the intricate pharmacology of psychedelics and their potential for precision medicine in neuropsychiatry.

Revolutionary Gut-Targeted Antidepressants Show Promise for Mood Disorders
health1 year ago

Revolutionary Gut-Targeted Antidepressants Show Promise for Mood Disorders

Research highlights the role of gut serotonin in mood regulation, suggesting gut-specific treatments for depression and anxiety could avoid systemic side effects. Animal studies showed increased gut serotonin improved mood without digestive issues, unlike traditional antidepressants. Human data indicated prenatal antidepressant exposure raises the risk of functional constipation in children, emphasizing the need for targeted therapies, especially during pregnancy.

Revolutionary Gut-Targeted Antidepressants Show Promise for Mental Health
health1 year ago

Revolutionary Gut-Targeted Antidepressants Show Promise for Mental Health

A new study suggests that targeting antidepressants to gut cells may treat depression and anxiety more safely than traditional SSRIs, which can cause developmental issues in children when used during pregnancy. By increasing serotonin in the gut, researchers found reduced anxiety and depressive behaviors in mice without the side effects associated with SSRIs. This approach could offer a safer alternative for pregnant women, as it avoids exposing the fetus to potential risks linked to systemic SSRIs.

Gut-Targeted Antidepressants: A New Frontier in Mental Health Treatment
health1 year ago

Gut-Targeted Antidepressants: A New Frontier in Mental Health Treatment

Recent research suggests that targeting gut cells rather than brain cells with SSRIs could effectively treat depression and anxiety while minimizing side effects. The study, led by researchers from Columbia University and NYU, found that increasing serotonin signaling in the gut of mice improved mood without the usual side effects of systemic SSRIs. This approach could be particularly beneficial for pregnant individuals, as it avoids risks associated with traditional antidepressants. The findings highlight the significant role of the gut-brain connection in mood regulation.

Ayahuasca: A Plant-Based Solution for Trauma and Fear
health1 year ago

Ayahuasca: A Plant-Based Solution for Trauma and Fear

A comprehensive review of a decade's research highlights ayahuasca's potential in treating PTSD and anxiety disorders by influencing emotional processing and memory through serotonin receptors. The study, led by researchers at the University of São Paulo, underscores the need for more clinical trials to explore ayahuasca's therapeutic applications and safety considerations.