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  • Title: [Effect of M-and N-cholinolytics on the content of Ca2+ in synaptosomes and metabolism of phosphoinositols in the rat brain].
    Author: Sukhovskaia TA, Semenov EV, Krylov SS.
    Journal: Vopr Med Khim; 1983; 29(5):51-4. PubMed ID: 6649533.
    Abstract:
    M-cholinolytics benactyzine and glypine increased a permeability of neurone membranes for Ca2+, producing the ion accumulation in synaptosomes. N-cholinolytic thropacin did not exhibit this effect and diphacyl caused similar to the M-cholinolytics but only slight effect on the Ca2+ content. The M-cholinolytics increased phosphoinositol turnover in rat brain, while the N-cholinolytics decreased its metabolism. These data obtained suggest that the M-cholinolytics interact selectively with phosphoinositols of neurone membranes affecting the affinity of phosphoinositols to two-valent cations and elevating the ability of Ca2+ to penetrate across neuronal membranes.
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