Nigral Stress-Induced Dopamine Release in Clinical High Risk and Antipsychotic-Naïve Schizophrenia | Zendy

HuaiHsuan Tseng | Zendy; Jeremy J. Watts | Zendy; Michael Kiang | Zendy; Ivonne Suridjan | Zendy; Alan A. Wilson | Zendy; Sylvain Houle | Zendy; Pablo Rusjan | Zendy; Romina Mizrahi | Zendy

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Nigral Stress-Induced Dopamine Release in Clinical High Risk and Antipsychotic-Naïve Schizophrenia

Author(s) -

HuaiHsuan Tseng,

Jeremy J. Watts,

Michael Kiang,

Ivonne Suridjan,

Alan A. Wilson,

Sylvain Houle,

Pablo Rusjan,

Romina Mizrahi

Publication year - 2017

Publication title -

schizophrenia bulletin

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.823

H-Index - 190

eISSN - 1745-1707

pISSN - 0586-7614

DOI - 10.1093/schbul/sbx042

Subject(s) - striatum , antipsychotic , medicine , dopamine , substantia nigra , dopamine receptor d2 , endocrinology , psychology , schizophrenia (object oriented programming) , neuroscience , dopaminergic , psychiatry

Striatal dopamine (DA) synthesis capacity and release are elevated in schizophrenia (SCZ) and its putative prodrome, the clinical high risk (CHR) state. Striatal DA function results from the activity of midbrain DA neurons projecting mainly from the substantia nigra (SN). Elevated stress-induced DA release in SCZ and CHR was observed in the striatum; however, whether it is also elevated in the SN is unclear. The current study aims to determine whether nigral DA release in response to a validated stress task is altered in CHR and in antipsychotic-naïve SCZ. Further, we explore how DA release in the SN and striatum might be related.

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