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  • Title: Involvement of transient larval neurons in osmoregulation and neurogenesis in the freshwater snails, Lymnaea stagnalis and Helisoma trivolvis.
    Author: Chaban AK, Voronezhskaya EE.
    Journal: Acta Biol Hung; 2008; 59 Suppl():123-6. PubMed ID: 18652384.
    Abstract:
    The role of transient larval FMRFa-ergic neurons of the freshwater snails, Helisoma trivolvis and Lymnaea stagnalis, in osmoregulation and neurodifferentiation was investigated. It was shown that: (i) FMRFa and an FMRFa antibody do not reach their targets when injected into the egg capsule; (ii) long-term incubations of the embryos in neomycin and hyperosmotic solutions of sea water, NaCl and sucrose during the definite developmental stages lead to a special malformation-hydropia; (iii) hydropia coincides with an extensive larval FMRFa-ergic nervous system; (iv) the increased level of FMRFa causes earlier serotonin synthesis by the neurons of the visceral loop ganglia.
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