نتایج جستجو برای: harmaline
تعداد نتایج: 194 فیلتر نتایج به سال:
Ritual use of ayahuasca, an amazonian Amerindian medicine turned sacrament in syncretic religions in Brazil, is rapidly growing around the world. Because of this internationalization, a comprehensive understanding of the pharmacological mechanisms of action of the brew and the neural correlates of the modified states of consciousness it induces is important. Employing a combination of electroen...
An electrogenic Na+/HCO3- cotransport system was studied in freshly dissociated Müller cells of the salamander retina. Cotransporter currents were recorded from isolated cells using the whole-cell, voltage-clamp technique following the block of K+ conductance with external Ba2+ and internal Cs+. At constant pHo, an outward current was evoked when extracellular HCO3- concentration was raised by ...
Summarized are psychonautic bioassays (human self-experiments) of pharmaiiopo crystalline bufotenine (5-HO-DMT; 5-hydroxy-N,N-dimethyltryptamine; dimethylserotonine), at times combined with harmaline or harmine-via intranasal, sublingual, intrarectal, pulmonary (inhaled vapor) and oral routes. This is done by way of pharmacological modeling of diverse South American shamanic inebriants, princi...
The inferior olive (IO) forms one of the major gateways for information that travels to the cerebellar cortex. Olivary neurons process sensory and motor signals that are subsequently relayed to Purkinje cells. The intrinsic subthreshold membrane potential oscillations of the olivary neurons are thought to be important for gating this flow of information. In vitro studies have revealed that the ...
Excitotoxic neuronal injury is known to be associated with increases in cytosolic calcium ion concentrations. However, it is not known if perturbations in other intracellular ions are also associated with glutamate (GLU)-induced neuronal death. Accordingly, intracellular hydrogen ion concentrations were measured in cultured hippocampal neurons with the fluorescent dye BCECF during and after tox...
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