Examination of monoamine synthesis and breakdown in the nervous system and other tissues of Lymnaea stagnalis L.

Hiripi, László (1970) Examination of monoamine synthesis and breakdown in the nervous system and other tissues of Lymnaea stagnalis L. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 37. pp. 33-41. ISSN 0365-3005

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Abstract

Examining serotonin metabolism in the different tissues of Lymnaea stagnalis L. the following may be said: 1. The nervous system is able to synthetize both serotonin and dopamine by 5HTP-DOPA-decarboxylaze enzyme. 2. The examined tissues of Lymnaea have MAO activity because the homogenates of the nervous system, heart and kidney are able to metabolize 5HT to 5HIAA in vitro and the enzyme activity is inhibited by iproniazid and actomol. 3. However, there may be another pathway for the inactivation of serotonin because such product is also formed in vitro which is not identical with 5HIAA.

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