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  • Title: Tetanus toxin effect on the metabolism and release of acetylcholine in rat central nervous system.
    Author: Górny D, Herbut D, Pielecka Z.
    Journal: Acta Physiol Pol; 1986; 37(4-5):183-90. PubMed ID: 3591361.
    Abstract:
    The effect of tetanus toxin in doses of 30 mcg/kg on the content, synthesis and release of acetylcholine, and on the activity of choline acetylase and acetylcholine esterase in the central nervous system of the rat was studied. The investigations were carried out after the appearance of tetanus. We found that the tetanus toxin: a) caused no changes in the acetylcholine content in the cerebral cortex and brain stem, and also in the cervical and lumbar parts of the spinal cord; b) stimulated acetylcholine synthesis in the brain stem and in the cervical and lumbar parts of the spinal cord but not in the cerebral cortex; c) activated choline acetylase; d) had no effect on acetylcholine esterase activity; e) released acetylcholine from the neurons in the brain stem and spinal cord. The release could not be inhibited by low concentration of potassium ions in the medium or increased with electrical stimulation.
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