G-protein coupled receptors

Lysergic Acid Diethylamide (LSD) and the Heart: Exploring the Potential Impacts of LSD on Cardiovascular Function

mycolabadmin

This review examines how LSD affects the heart and blood vessels. While some evidence suggests LSD might protect against heart disease by reducing inflammation and blood clots, acute use can dangerously raise heart rate and blood pressure, and cause blood vessel constriction. Regular low-dose use raises concerns about potential valve damage. More research is needed to understand the full cardiovascular safety of LSD before it can be considered for medical use.

Synergistic, multi-level understanding of psychedelics: three systematic reviews and meta-analyses of their pharmacology, neuroimaging and phenomenology

mycolabadmin

This comprehensive study analyzed three classic psychedelic drugs—LSD, psilocybin (from magic mushrooms), and DMT—across three levels: how people experience them, how they affect brain activity, and how they interact with brain receptors. Researchers found that LSD produces more intense visual experiences than psilocybin, and all three drugs significantly alter brain connectivity patterns. The study highlights the importance of standardizing research methods to better understand how these compounds might help treat depression and addiction.

Biological studies of clavine alkaloids targeting CNS receptors

mycolabadmin

This paper reviews clavine alkaloids, a class of natural compounds from ergot fungi that show promise as psychiatric medications. Unlike well-known psychedelics like LSD, clavine alkaloids may provide therapeutic benefits for anxiety and depression without strong hallucinogenic effects. The authors highlight how these compounds interact with brain receptors in ways that could make them safer and more effective medications for treating mood and neurological disorders.

Psychedelics action and schizophrenia

mycolabadmin

This review examines how psychedelic drugs like psilocybin and LSD affect the brain, particularly through serotonin receptors. While these compounds can produce psychosis-like symptoms similar to schizophrenia, they also promote brain plasticity and growth of neural connections. The article discusses whether psychedelics could potentially treat negative symptoms and cognitive problems in schizophrenia patients, despite their mind-altering properties, possibly through lower doses or non-hallucinogenic alternatives.

The molecular mechanisms through which psilocybin prevents suicide: evidence from network pharmacology and molecular docking analyses

mycolabadmin

Researchers used computer-based analysis to understand how psilocybin, a compound found in certain mushrooms, might help prevent suicide. They identified four key proteins that psilocybin interacts with and found that it works through serotonin and calcium signaling pathways in the brain, which are known to be involved in depression and suicidal behavior. While these findings are promising, more research is needed to confirm these effects in humans before psilocybin can be used clinically for suicide prevention.

Sex-specific role of the 5-HT2A receptor in psilocybin-induced extinction of opioid reward

mycolabadmin

Researchers discovered that a single dose of psilocybin can reduce opioid addiction-related behaviors in male mice by activating serotonin receptors in specific brain circuits, but this effect does not work the same way in females. The study reveals that psilocybin changes how the brain processes opioid rewards and withdrawal symptoms, suggesting psychedelics could become a new treatment approach for opioid addiction. However, important sex differences in how the brain responds mean treatments may need to be tailored differently for men and women.

Identification of 5-HT2A receptor signaling pathways associated with psychedelic potential

mycolabadmin

Scientists discovered that psychedelic drugs work by activating a specific signaling pathway in the brain called the 5-HT2A-Gq pathway. By creating new drug-like molecules, they found that drugs need to strongly activate this particular pathway to produce psychedelic effects like hallucinations. This discovery could help researchers design new psychiatric medicines that have therapeutic benefits without the hallucinogenic side effects that worry doctors and patients.

Effects of hallucinogenic drugs on the human heart

mycolabadmin

Hallucinogenic drugs like LSD and psilocybin affect not only the brain but also the heart. These drugs increase heart rate and contractility mainly through specific serotonin and histamine receptors. While these effects might have therapeutic potential for psychiatric conditions, prolonged use can damage heart valves and cause dangerous arrhythmias. Understanding these cardiac effects is crucial for safe medical use and treatment of overdoses.

Psilocybin as Transformative Fast-Acting Antidepressant: Pharmacological Properties and Molecular Mechanisms

mycolabadmin

Psilocybin, a compound from certain mushrooms, is being studied as a potential rapid-acting treatment for severe depression that doesn’t respond to standard antidepressants. Unlike conventional antidepressants that take weeks to work, psilocybin shows promise for producing mood improvements within days. The drug works by activating serotonin receptors in the brain and promoting the growth of new neural connections, though researchers are still working to fully understand how it achieves its antidepressant effects.

Molecular insights into the modulation of the 5HT 2A receptor by serotonin, psilocin, and the G protein subunit Gqα

mycolabadmin

This study uses computer simulations to understand how psilocin (the active compound in magic mushrooms) and serotonin interact with a brain receptor called 5HT 2A R. The research shows that both molecules prefer to bind to a deeper part of the receptor rather than a shallower area, and that a protein called Gqα is essential for keeping the receptor in its active state. These findings could help scientists develop better medicines for depression and anxiety.

Research Keyword: G-protein coupled receptors