Molecular imaging of opioid and dopamine systems: insights into the pharmacogenetics of opioid use disorders

JA Burns, DS Kroll, DE Feldman, C Kure Liu… - Frontiers in …, 2019 - frontiersin.org
Opioid use in the United States has steadily risen since the 1990s, along with staggering
increases in addiction and overdose fatalities. With this surge in prescription and illicit opioid …

Endocannabinoid signaling in psychiatric disorders: a review of positron emission tomography studies

ME Sloan, CW Grant, JL Gowin… - Acta Pharmacologica …, 2019 - nature.com
Endocannabinoid signaling is implicated in an array of psychopathologies ranging from
anxiety to psychosis and addiction. In recent years, radiotracers targeting the …

The effects of psychosocial stress on dopaminergic function and the acute stress response

MAP Bloomfield, RA McCutcheon, M Kempton… - Elife, 2019 - elifesciences.org
Chronic psychosocial adversity induces vulnerability to mental illnesses. Animal studies
demonstrate that this may be mediated by dopaminergic dysfunction. We therefore …

The relationship between cortical glutamate and striatal dopamine in first-episode psychosis: a cross-sectional multimodal PET and magnetic resonance spectroscopy …

S Jauhar, R McCutcheon, F Borgan… - The Lancet …, 2018 - thelancet.com
Background The pathophysiology of psychosis is incompletely understood. Disruption in
cortical glutamatergic signalling causing aberrant striatal dopamine synthesis capacity is a …

Epigenetic aging is accelerated in alcohol use disorder and regulated by genetic variation in APOL2

A Luo, J Jung, M Longley, DB Rosoff… - …, 2020 - nature.com
To investigate the potential role of alcohol use disorder (AUD) in aging processes, we
employed Levine's epigenetic clock (DNAm PhenoAge) to estimate DNA methylation age in …

Low status, humiliation, dopamine and risk of schizophrenia

JP Selten, J Ormel - Psychological Medicine, 2023 - cambridge.org
The social defeat hypothesis of schizophrenia, which proposes that the chronic experience
of outsider status or subordinate position leads to increased striatal dopamine activity and …

A polygenic score indexing a DRD2-related co-expression network is associated with striatal dopamine function

E D'Ambrosio, G Pergola, AF Pardiñas, T Dahoun… - Scientific reports, 2022 - nature.com
The D2 dopamine receptor (D2R) is the primary site of the therapeutic action of
antipsychotics and is involved in essential brain functions relevant to schizophrenia, such as …

Effects of sedative drug use on the dopamine system: a systematic review and meta-analysis of in vivo neuroimaging studies

F Kamp, L Proebstl, N Penzel, K Adorjan… - …, 2019 - nature.com
Use of alcohol, cannabis and opioids is highly prevalent and is associated with global
disease burden and high economic costs. The exact pathophysiology of abuse or addiction …

Addressing structural racism in psychiatry with steps to improve psychophysiologic research

JL Price, MA Bruce, B Adinoff - JAMA psychiatry, 2022 - jamanetwork.com
Importance The American Medical Association has acknowledged the public health threat
posed by racism in medicine. While clinicians in psychiatry have echoed the sentiment, the …

Chronic social stressors and striatal dopamine functioning in humans: A systematic review of SPECT and PET studies

R Schalbroeck, CFM van Hooijdonk, DPA Bos… - Molecular …, 2024 - nature.com
The dopamine hypothesis of schizophrenia posits that elevated striatal dopamine
functioning underlies the development of psychotic symptoms. Chronic exposure to social …