Supersensitive platelet glutamate receptors as a possible peripheral marker in schizophrenia.
Berk,M, Plein,H and Csizmadia,T 1999, Supersensitive platelet glutamate receptors as a possible peripheral marker in schizophrenia., International Clinical Psychopharmacology, vol. 14, no. 2, pp. 119-122.
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Supersensitive platelet glutamate receptors as a possible peripheral marker in schizophrenia.
Hypoglutamatergic function is implicated in the pathogenesis of schizophrenia. The aim of this study was to examine the platelet intracellular calcium response to glutamate using spectroflourometry in 15 schizophrenic patients and 15 matched control individuals as an index of platelet glutamate receptor sensitivity. Patients with schizophrenia had significantly lower baseline intracellular calcium levels than matched control individuals (P = 0.03). The percentage response of the schizophrenic individuals to glutamate stimulation was significantly greater than control individuals (P < 0.001). These data suggest that platelet glutamate receptors may be supersensitive in schizophrenia. Furthermore, the platelet may be a possible peripheral marker of glutamate function in schizophrenia.
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