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lysergic acid/atròfia
L'enllaç es desa al porta-retalls
8 resultats
Deterioration of executive functioning in chronic ecstasy users; evidence for multiple drugs effects.
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A quantitative meta-analysis was carried out on the chronic effects of ecstasy use on working memory (WM), assumed to consist of a central executive (CE) and four executive subcomponents: Updating, Attention shifting, Inhibition and Access to long term memory. Publications dating from January 1998
Cloning and pharmacological characterisation of the guinea pig 5-ht5A receptor.
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The guinea pig 5-hydroxytryptamine(5A) (gp5-ht(5A)) receptor was cloned from guinea pig brain using degenerate polymerase chain reaction (PCR) and shows 88%, 85% and 84% amino acid sequence identity versus the human, rat and mouse 5-ht(5A) receptors, respectively. The receptor was transiently
Identification of planarian serotonin receptor by ligand binding and PCR studies.
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Binding sites for [3H]lysergic acid diethylamide (LSD), a serotonin receptor agonist, were identified in planarian membranes by ligand binding studies. The Kd and Bmax values were approximately 4 microM and 0.2 pmol mg-1 protein, respectively. The serotonin (5-HT) receptor antagonists methiothepin
Experimental intoxication of guinea pigs with Ipomoea carnea: behavioural and neuropathological alterations.
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Ipomoea carnea is a toxic plant that affects goats, with symptoms being characterised by nervous disorders and death. Swainsonine and calystegines are the principal toxic components isolated from I. carnea, which also yields lysergic acid derivatives. The aim of this study was to improve the
Amnesic syndrome and severe ataxia following the recreational use of 3,4-methylene-dioxymethamphetamine (MDMA, 'ecstasy') and other substances.
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A 26-year-old woman suffered disseminated intravascular coagulation (DIC) and a brief respiratory arrest following recreational use of 3,4-methylene-dioxymethamphetamine (MDMA; 'ecstasy'), together with amyl nitrate, lysergic acid (LSD), cannabis and alcohol. She was left with residual cognitive and
Biochemical evidence of selective nerve cell changes in the normal ageing human and rat brain.
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Atrophy with ageing of human whole brain, entire temporal lobe, and caudate nucleus was assessed in autopsy specimens, by biochemical techniques. Only the caudate nucleus showed changes. Markers for several neurotransmitter systems were also examined for changes with age. In neocortex and temporal
Molecular cloning and functional expression of 5-HT1E-like rat and human 5-hydroxytryptamine receptor genes.
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Sequential polymerase chain reaction experiments were performed to amplify a unique sequence representing a guanine nucleotide-binding protein (G-protein)-coupled receptor from rat hypothalamic cDNA. Degenerate oligonucleotides corresponding to conserved amino acids from transmembrane domains III,
Computerized axial tomography in the detection of brain damage: 1. Alcohol, nutritional deficiency and drugs of addiction.
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The severity and extent of cerebral atrophy was assessed on cranial computerized axial tomographic (CAT) scans in 240 alcoholics in whom this investigation had been performed for diagnostic purposes, and in a group of 59 male heavy social drinkers who were studied prospectively. Findings were
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