Based on anatomical and biochemical observations a role of glutamate in schizophrenia has been postulated. In the present work we have investigated the gene expression for two families of NMDA receptor subunits ŽNR-1 and NR-2. following acute and chronic treatment with typical Žhaloperidol. and atypical Žclozapine. antipsychotic drug ŽAPD. in rats. A single injection of the two drugs elicited a significant increase in the mRNA levels of NR-2B in the nucleus accumbens, whereas only haloperidol was able to elevate NR-2A and NR-2B in the hippocampus. Following a 21 day treatment, significant differences in the regulatory pattern of NMDA-R subunits were observed. Haloperidol increased their mRNA levels in striatum whereas clozapine, consistent with its relatively weaker influence on nigro-striatal dopamine function, did not change the expression of NR subunits in this region. Both APD’s were able to decrease the expression of NR-2 subunits in the hypothalamus, but only clozapine was capable of reducing NR-2C in frontal cortex and accumbens. The regulation of NMDA-R subunits in specific brain regions may represent a novel and important mechanism through which APD’s exert some of their effects on brain function.
Regulation of NMDA receptor subunit messenger RNA levels in the rat brain following acute and chronic exposure to antipsychotic drugs / Riva, M. A.; Tascedda, Fabio; Lovati, E.; Racagni, G.. - In: MOLECULAR BRAIN RESEARCH. - ISSN 0169-328X. - STAMPA. - 50(1997), pp. 136-142.
Data di pubblicazione: | 1997 |
Titolo: | Regulation of NMDA receptor subunit messenger RNA levels in the rat brain following acute and chronic exposure to antipsychotic drugs. |
Autore/i: | Riva, M. A.; Tascedda, Fabio; Lovati, E.; Racagni, G. |
Autore/i UNIMORE: | |
Rivista: | |
Volume: | 50 |
Pagina iniziale: | 136 |
Pagina finale: | 142 |
Codice identificativo ISI: | WOS:A1997YF86800018 |
Codice identificativo Scopus: | 2-s2.0-0030664269 |
Codice identificativo Pubmed: | 9406928 |
Citazione: | Regulation of NMDA receptor subunit messenger RNA levels in the rat brain following acute and chronic exposure to antipsychotic drugs / Riva, M. A.; Tascedda, Fabio; Lovati, E.; Racagni, G.. - In: MOLECULAR BRAIN RESEARCH. - ISSN 0169-328X. - STAMPA. - 50(1997), pp. 136-142. |
Tipologia | Articolo su rivista |
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