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Amygdalofugal axon terminals immunoreactive for L-aspartate or L-glutamate in the nucleus accumbens of rats and domestic chickens: a comparative electron microscopic immunocytochemical study combined with anterograde pathway tracing

Hanics, János ; Bálint, Eszter ; Milanovich, Dániel ; Zachar, Gergely ; Adám, Agota ; Csillag, András

Cell and tissue research, December 2012, Vol.350(3), pp.409-23 [Periódico revisado por pares]

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  • Título:
    Amygdalofugal axon terminals immunoreactive for L-aspartate or L-glutamate in the nucleus accumbens of rats and domestic chickens: a comparative electron microscopic immunocytochemical study combined with anterograde pathway tracing
  • Autor: Hanics, János ; Bálint, Eszter ; Milanovich, Dániel ; Zachar, Gergely ; Adám, Agota ; Csillag, András
  • Assuntos: Amygdala -- Metabolism ; Aspartic Acid -- Metabolism ; Axons -- Metabolism ; Glutamic Acid -- Metabolism ; Neural Pathways -- Physiology ; Nucleus Accumbens -- Metabolism
  • É parte de: Cell and tissue research, December 2012, Vol.350(3), pp.409-23
  • Descrição: Several studies have shown that L-aspartate (Asp) is present in synaptic vesicles and released exocytotically from presynaptic terminals, possibly by Ca(2+)-dependent corelease of Asp and L-glutamate (Glu). It has been demonstrated that both excitatory amino acids (EAAs) are released from the rat striatum as part of corticostriatal neurotransmission. The single or colocalized occurrence of Asp and Glu in specific synaptic boutons of the chicken medial striatum/nucl. accumbens has been demonstrated by our group using ultrastructural immunocytochemistry. However, evidence for the presence of EAAs in any specific striatal pathway was only circumstantial. Here, we report on the distribution of Asp and Glu in specific synaptic terminals of the amygdalostriatal pathway, both in rat and chicken brains, combining anterograde tracing with postembedding immunogold labeling of Asp or Glu. Immunoreactivity for Asp and Glu was observed in amygdalofugal terminals with asymmetrical synaptic junctions...
  • Idioma: Inglês

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