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    Hipótese glutamatérgica da esquizofrenia
    (Associação Brasileira de Psiquiatria - ABP, 2003-09-01) Bressan, Rodrigo Affonseca [UNIFESP]; Pilowsky, Lyn S; Universidade Federal de São Paulo (UNIFESP); King's College London Institute of Psychiatry Section of Neurochemical Imaging
    Schizophrenia is a devastating psychiatric disorder whose pathophysiology has not been fully clarified yet. Although dopamine dysfunction in schizophrenia is unequivocal, there are many evidences suggesting the involvement of the glutamatergic system. This paper briefly describes some basic knowledge regarding the functioning of the glutamatergic receptors with emphasis on the N-methyl-D-aspartate (NMDA) receptors. Presents evidence for glutamatergic dysfunction in schizophrenia, more specifically NMDA receptor hypofunction. Finaly the paper discusses the interaction between the dopaminergic and the glutamatergic systems; in special how hyperdopaminergic state found in schizophrenia can be associated to glutamatergic dysfunctions.