The Glutamatergic Aspects of Schizophrenia Molecular Pathophysiology: Role of the Postsynaptic Density, and Implications for Treatment

ISSN: 1875-6190 (Online)
ISSN: 1570-159X (Print)


Volume 12, 6 Issues, 2014


Download PDF Flyer




Current Neuropharmacology

Aims & ScopeAbstracted/Indexed in

Ranking and Category:
  • 121st of 254 in Pharmacology & Pharmacy

Submit Abstracts Online Submit Manuscripts Online

Editor-in-Chief:
T.E. Salt
University College London
Institute of Ophthalmology
London EC1V 9EL
UK


View Full Editorial Board

Subscribe Purchase Articles Order Reprints

Current: 2.347
5 - Year: 3.856

The Glutamatergic Aspects of Schizophrenia Molecular Pathophysiology: Role of the Postsynaptic Density, and Implications for Treatment

Author(s): Felice Iasevoli, Carmine Tomasetti, Elisabetta F. Buonaguro and Andrea de Bartolomeis

Affiliation: Department of Neuroscience, Reproductive and Odontostomatological Sciences, University “Federico II” of Naples, Via Pansini 5, 80131 Napoli, Italy.

Abstract

Schizophrenia is one of the most debilitating psychiatric diseases with a lifetime prevalence of approximately 1%. Although the specific molecular underpinnings of schizophrenia are still unknown, evidence has long linked its pathophysiology to postsynaptic abnormalities.

The postsynaptic density (PSD) is among the molecular structures suggested to be potentially involved in schizophrenia. More specifically, the PSD is an electron-dense thickening of glutamatergic synapses, including ionotropic and metabotropic glutamate receptors, cytoskeletal and scaffolding proteins, and adhesion and signaling molecules. Being implicated in the postsynaptic signaling of multiple neurotransmitter systems, mostly dopamine and glutamate, the PSD constitutes an ideal candidate for studying dopamine-glutamate disturbances in schizophrenia. Recent evidence suggests that some PSD proteins, such as PSD-95, Shank, and Homer are implicated in severe behavioral disorders, including schizophrenia. These findings, further corroborated by genetic and animal studies of schizophrenia, offer new insights for the development of pharmacological strategies able to overcome the limitations in terms of efficacy and side effects of current schizophrenia treatment. Indeed, PSD proteins are now being considered as potential molecular targets against this devastating illness.

The current paper reviews the most recent hypotheses on the molecular mechanisms underlying schizophrenia pathophysiology. First, we review glutamatergic dysfunctions in schizophrenia and we provide an update on postsynaptic molecules involvement in schizophrenia pathophysiology by addressing both human and animal studies. Finally, the possibility that PSD proteins may represent potential targets for new molecular interventions in psychosis will be discussed.


Keywords: Dopamine, homer, kalirin, NMDA, PSD-95, psychosis, shank, synaptic plasticity.

Purchase Online Rights and Permissions

  
  



Article Details

Volume: 12
Issue Number: 3
First Page: 219
Last Page: 238
Page Count: 20
DOI: 10.2174/1570159X12666140324183406
Advertisement

Related Journals




Webmaster Contact: urooj@benthamscience.org Copyright © 2014 Bentham Science