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  • Title: [Cholinergic effect on the dopamine turnover in the rat corpus striatum].
    Author: Oelszner W, Funk KF, Schwarzenfeld IV, Staib AH, Westermann KH.
    Journal: Acta Biol Med Ger; 1975; 34(4):647-53. PubMed ID: 1189838.
    Abstract:
    The peripheral administration of oxotremorine caused a significant increase in dihydroxyphenylacetic acid (DOPAC) in the striatum of rats, dopamine (DA) level was unaffected. Injection of oxotremorine into the substantia nigra failed to change the content of dopamine and its acid metabolites homovanillic acid (HVA) and DOPAC in striatum. Injection of oxotremorine or carbachol into the substantia nigra or into the caudate nucleus did not significantly influence the DA-turnover. The partly inconsistent results are discussed in connection with literature data in regard to the existence of excitatory as well as inhibitory cholinergic systems, which are located differently and are involved in the regulation of DA-turnover.
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