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  • 1975-1979  (3)
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  • 1
    ISSN: 1432-2072
    Keywords: THC intoxication ; Autonomic blockade
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Intravenous THC, 30–44.8 μg/kg, was administered to four subjects. Each received THC on four occasions preceded by either i.v. saline, 0.04 mg/kg atropine sulfate, 0.2 mg/kg propranolol, or both drugs together. Heart rates, subjective intoxication and symptom ratings, time productions, and EEG activity were measured. In the absence of autonomic blocking drugs, THC produced characteristic tachycardia, subjective intoxication, and EEG effects. After combined autonomic blockade, THC had no effect on heart rate, while subjective and EEG changes remained as intense. These findings argue against the hypothesis that the subjective and EEG effects of THC are mediated by autonomic receptors or by interoception of peripheral autonomic actions of THC.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 32 (1979), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— The extracellular and cerebrospinal fluids (ECF) of the chick brain were found to contain a distinctive group of rapidly labeled proteins. Gel staining patterns suggest that most ECF protein bands correspond with components also found in either the homogenized whole brain cytoplasmic fraction or the blood serum. The valine-incorporation profiles of these three fractions, however, were entirely distinctive. Comparisons were carried out using a sensitive double-labeling method, in which ECF proteins from chicks labeled for 1 h with [3H]valine were comigrated on SDS-polyacrylamide gels with the cytoplasmic or serum proteins from a 14C-labeled animal. Analyses of the 3H- and 14C-labeling profiles from these gels showed that certain newly-synthesized proteins are heavily enriched in the ECF relative to the other two fractions. Most prominently, material with an apparent molecular weight of # 17,000 was found to incorporate nearly one-third of all the radioactivity appearing in the ECF proteins, but was not heavily labeled in either the cytoplasmic or serum fractions. The effects of a simple training experience on the pattern of chicks’ brain protein synthesis were also examined.
    Type of Medium: Electronic Resource
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