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Ilona Banczerowski-Pelyhe Department of Physiology and Neurobiology, Eötvös Loránd University P.O. Box 120, H-1518 Budapest, Hungary

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L. Détári Department of Physiology and Neurobiology, Eötvös Loránd University Pázmány P. sétány 1/C, H-1117 Budapest, Hungary Budapest

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Ildikó Világi Department of Physiology and Neurobiology, Eötvös Loránd University Pázmány P. sétány 1/C, H-1117 Budapest, Hungary

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et al Department of Physiology and Neurobiology, Eötvös Loránd University Pázmány P. sétány 1/C, H-1117 Budapest, Hungary

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Mycotoxin fumonisin B1 (FB1) a natural inhibitor of ceramide synthase contaminating mainly the cornbased food and feed may cause dysfunctions in the nervous system. In the present study peripheral neural dysfunctions were biomonitored after dietary FB1 exposure in rats. Daily oral doses of 6.2 mg/kg body weight/day FB1 were applied in rats for 2 weeks. Before and after FB1 treatment nerve conduction velocities of tibial and sciatic nerves and spinal reflexes were analyzed in vivo. Electrophysiological recordings of biphasic plantar EMG (M and H components) and evaluation of sensory and motor nerve conduction velocities were carried out. Nerve conduction velocities revealed decreasing tendencies after FB1 exposure. The flexor reflex and the H-components of the extensor reflex were significantly reduced. The proposed in vivo biomonitoring can reveal functional impairment of the peripheral nervous system caused by mycotoxin exposure. Reduction of conduction velocity and altered reflexes after FB1 exposure are suspected to be associated with modified signal transmission due to toxic systemic effects and possible changes in sphingolipid metabolism.

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Editorial Board

    1. Csányi, Vilmos (Göd)
    1. Dudits, Dénes (Szeged)
    1. Falus, András (Budapest)
    1. Fischer, Ernő (Pécs)
    1. Gábriel, Róbert (Pécs)
    1. Gulya, Károly (Szeged)
    1. Gulyás, Balázs (Stockholm)
    1. Hajós, Ferenc (Budapest)
    1. Hámori, József (Budapest)
    1. Heszky, László (Gödöllő)
    1. Hideg, Éva (Szeged)
    1. E. Ito (Sanuki)
    1. Janda, Tibor (Martonvásár)
    1. Kavanaugh, Michael P. (Missoula)
    1. Kása, Péter (Szeged)
    1. Klein, Éva (Stockholm)
    1. Kovács, János (Budapest)
    1. Brigitte Mauch-Mani (Neuchâtel)
    1. Nässel, Dick R. (Stockholm)
    1. Nemcsók, János (Szeged)
    1. Péczely, Péter (Gödöllő)
    1. Roberts, D. F. (Newcastle-upon-Tyne)
    1. Sakharov, Dimitri A. (Moscow)
    1. Singh, Meharvan (Fort Worth)
    1. Sipiczky, Mátyás (Debrecen)
    1. Szeberényi, József (Pécs)
    1. Székely, György (Debrecen)
    1. Tari, Irma (Szeged)
    1. Vágvölgyi, Csaba (Szeged),
    1. L. Zaborszky (Newark)

 

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Phone: (36 87) 448 244 ext. 103
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Acta Biologica Hungarica
Language English
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1950
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Founder Magyar Tudományos Akadémia
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H-1051 Budapest, Hungary, Széchenyi István tér 9.
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Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5383 (Print)
ISSN 1588-256X (Online)