Schizophrenia synaptic pathology and antipsychotic treatment in the framework of oxidative and mitochondrial dysfunction: translational highlights for the clinics and …

G De Simone, B Mazza, L Vellucci, A Barone… - Antioxidants, 2023 - mdpi.com
Schizophrenia is a worldwide mental illness characterized by alterations at dopaminergic
and glutamatergic synapses resulting in global dysconnectivity within and between brain …

Rational and translational implications of D-amino acids for treatment-resistant schizophrenia: from neurobiology to the clinics

A de Bartolomeis, L Vellucci, MC Austin, G De Simone… - Biomolecules, 2022 - mdpi.com
Schizophrenia has been conceptualized as a neurodevelopmental disorder with synaptic
alterations and aberrant cortical–subcortical connections. Antipsychotics are the mainstay of …

Antipsychotics-induced changes in synaptic architecture and functional connectivity: translational implications for treatment response and resistance

A de Bartolomeis, G De Simone, M Ciccarelli… - Biomedicines, 2022 - mdpi.com
Schizophrenia is a severe mental illness characterized by alterations in processes that
regulate both synaptic plasticity and functional connectivity between brain regions …

Amphetamine-induced dopamine release in rat: Whole-brain spatiotemporal analysis with [11C]raclopride and positron emission tomography

J Johansson, M Ericsson, J Axelsson… - Journal of Cerebral …, 2024 - journals.sagepub.com
Whole-brain mapping of drug effects are needed to understand the neural underpinnings of
drug-related behaviors. Amphetamine administration is associated with robust increases in …

[HTML][HTML] Amphetamine pretreatment blunts dopamine-induced D2/D3-receptor occupancy by an arrestin-mediated mechanism: A PET study in internalization …

JB Mandeville, J Weigand-Whittier, HY Wey, YCI Chen - Neuroimage, 2023 - Elsevier
While all reversible receptor-targeting radioligands for positron emission tomography (PET)
can be displaced by competition with an antagonist at the receptor, many radiotracers show …

The relationship between glutamate, dopamine, and cortical gray matter: a simultaneous PET-MR study

A Rogeau, G Nordio, M Veronese, K Brown… - Molecular …, 2022 - nature.com
Prefrontal cortex has been shown to regulate striatal dopaminergic function via
glutamatergic mechanisms in preclinical studies. Concurrent disruption of these systems is …

Design and Synthesis of D3R Bitopic Ligands with Flexible Secondary Binding Fragments: Radioligand Binding and Computational Chemistry Studies

GL Tian, CJ Hsieh, M Taylor, JY Lee, RR Luedtke… - Molecules, 2023 - mdpi.com
A series of bitopic ligands based on Fallypride with a flexible secondary binding fragment
(SBF) were prepared with the goal of preparing a D3R-selective compound. The effect of the …

[HTML][HTML] Impairment of hippocampal astrocyte-mediated striatal dopamine release and locomotion in Alzheimer's disease

BB Tournier, K Ceyzériat, AM Badina, Y Gloria, AB Fall… - NeuroImage, 2024 - Elsevier
Background Clinical and translational research has identified deficits in the dopaminergic
neurotransmission in the striatum in Alzheimer's disease (AD) and this could be related to …

The effects of acute dopamine depletion on resting-state functional connectivity in healthy humans

F Caravaggio, AJ Barnett, S Nakajima, Y Iwata… - European …, 2022 - Elsevier
Abstract Alpha-methyl-para-tyrosine (AMPT), a competitive inhibitor of tyrosine hydroxylase,
can be used to deplete endogenous dopamine in humans. We examined how AMPT …

[HTML][HTML] Neurovascular coupling of striatal dopamine D2/3 receptor availability and perfusion using simultaneous PET/MR in humans

CN Schmitz, XM Hart, M Spangemacher, JL Roth… - Neuroscience …, 2024 - Elsevier
The midbrain dopamine system contributes to important neural functions in the basal
ganglia, and is involved in aspects of pathological processes in schizophrenia. In preclinical …