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Open AccessJournal ArticleDOI

The Role of Genes, Stress, and Dopamine in the Development of Schizophrenia.

TLDR
A model is presented of how genes and environmental factors may sensitize the dopamine system so that it is vulnerable to acute stress, leading to progressive dysregulation and the onset of psychosis.
About
This article is published in Biological Psychiatry.The article was published on 2017-01-01 and is currently open access. It has received 410 citations till now. The article focuses on the topics: Dopaminergic & Dopamine receptor D3.

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Dopamine: Functions, Signaling, and Association with Neurological Diseases

TL;DR: The aspects of dopamine as a catecholaminergic neurotransmitter and dopamine signaling pathways elicited through dopamine receptor activation in normal brain function are summarized and the potential involvement of these signaling pathways in evoking the onset and progression of some diseases in the nervous system are described.
Journal ArticleDOI

30 Years on: How the Neurodevelopmental Hypothesis of Schizophrenia Morphed Into the Developmental Risk Factor Model of Psychosis

TL;DR: The neurodevelopment hypothesis of schizophrenia morphed into the developmental risk factor model of psychosis and integrated new evidence concerning dysregulated striatal dopamine as the final step on the pathway linking risk factors to psychotic symptoms.
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Defining the Locus of Dopaminergic Dysfunction in Schizophrenia: A Meta-analysis and Test of the Mesolimbic Hypothesis

TL;DR: In individuals with schizophrenia dopaminergic dysfunction is greater in dorsal compared to limbic subdivisions of the striatum, which is inconsistent with the mesolimbic hypothesis and identifies the dorsal striatum as a target for novel treatment development.
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Auditory verbal hallucinations and continuum models of psychosis: A systematic review of the healthy voice-hearer literature

TL;DR: Overall the results of the present systematic review support a continuum view rather than a diagnostic model, but cannot distinguish between ‘quasi’ and ‘fully’ dimensional models.
References
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Journal ArticleDOI

Acute effects of treatment for prodromal symptoms for people putatively in a late initial prodromal state of psychosis

TL;DR: Coadministration of amisulpride plus the needs-focused intervention produced superior effects on attenuated and full-blown psychotic symptoms, basic, depressive and negative symptoms, and global functioning.
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Altered relationship between hippocampal glutamate levels and striatal dopamine function in subjects at ultra high risk of psychosis.

TL;DR: The relationship between hippocampal glutamate and striatal dopamine systems is altered in people at high risk of psychosis, and the degree to which it is changed may be related to the risk of transition to psychosis.
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Impaired dopaminergic neurotransmission in patients with traumatic brain injury: a SPET study using 123I-β-CIT and 123I-IBZM

TL;DR: It is suggested that nigrostriatal dysfunction may be detected using SPET following TBI despite relative structural preservation of the striatum, and possible clinical correlates and efficacy of dopaminergic therapy in patients with TBI seem justified.
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Morbid risk of schizophrenia in first-degree relatives of white and African-Caribbean patients with psychosis.

TL;DR: It is suggested that the second-generation African–Caribbean population in Britain is particularly vulnerable to some environmental risk factors for schizophrenia, or that some environmental factors act selectively on this population in Great Britain.
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Different stressors produce excitation or inhibition of mesolimbic dopamine neuron activity: response alteration by stress pre-exposure.

TL;DR: Single‐unit extracellular recordings show that a prolonged inescapable mild stressor can induce plastic changes that attenuate the DA system response to acute stress.
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