Glutamatergic biomarkers for cocaine addiction: a longitudinal study using MR spectroscopy and mGluR5 PET in self-administering rats

B de Laat, A Weerasekera… - Journal of Nuclear …, 2018 - Soc Nuclear Med
Cocaine addiction is a disorder that still lacks diagnostic biomarkers or effective
pharmacotherapy. We present findings on a rat model of cocaine self-administration that …

Imaging glutamate homeostasis in cocaine addiction with the metabotropic glutamate receptor 5 positron emission tomography radiotracer [11C] ABP688 and …

D Martinez, M Slifstein, N Nabulsi, A Grassetti… - Biological …, 2014 - Elsevier
Background Preclinical studies demonstrate that glutamate homeostasis in the striatum is
disrupted following cocaine exposure, including a decrease in metabotropic glutamate …

Glutamatergic and neurometabolic alterations in chronic cocaine users measured with 1H‐magnetic resonance spectroscopy

LM Hulka, M Scheidegger, M Vonmoos… - Addiction …, 2016 - Wiley Online Library
Cocaine addiction is a chronically relapsing disorder that is associated with harmful
consequences. Relapses occur frequently and effective pharmacotherapies are currently …

Limbic system mGluR5 availability in cocaine dependent subjects: a high-resolution PET [11C] ABP688 study

MS Milella, L Marengo, K Larcher, A Fotros, A Dagher… - Neuroimage, 2014 - Elsevier
Cocaine self-administration decreases type 5 metabotropic glutamate receptor (mGluR5)
tissue concentrations in laboratory rats during early abstinence. These changes are thought …

Lower glutamate levels in rostral anterior cingulate of chronic cocaine users—A 1H-MRS study using TE-averaged PRESS at 3 T with an optimized quantification …

S Yang, BJ Salmeron, TJ Ross, ZX Xi, EA Stein… - Psychiatry Research …, 2009 - Elsevier
Previous studies have shown significantly lower metabolism and functional activity in the
anterior cingulate cortex (ACC) of human cocaine addicts. The present study examined …

Impaired glutamate homeostasis in the nucleus accumbens in human cocaine addiction

EJE Engeli, N Zoelch, A Hock, C Nordt, LM Hulka… - Molecular …, 2021 - nature.com
Cocaine addiction is characterized by overwhelming craving for the substance, which drives
its escalating use despite adverse consequences. Animal models suggest a disrupted …

Quantifying absolute glutamate concentrations in nucleus accumbens of prescription opioid addicts by using 1H MRS

XL Liu, L Li, JN Li, JH Tang, JH Rong, B Liu… - Brain and …, 2017 - Wiley Online Library
Introduction The diagnosis of psychoactive substance use disorders has been based
primarily on descriptive, symptomatic checklist criteria. In opioid addiction, there are no …

Chronic cocaine exposure induces putamen glutamate and glutamine metabolite abnormalities in squirrel monkeys

X Liu, JE Jensen, TE Gillis, CS Zuo, AP Prescot… - …, 2011 - Springer
Rationale Chronic cocaine exposure has been associated with progressive brain structural
and functional changes. Clarifying mechanisms underlying cocaine's progressive brain …

Methadone maintenance dose modulates anterior cingulate glutamate levels in heroin-dependent individuals: a preliminary in vivo 1H MRS study

MK Greenwald, EA Woodcock, D Khatib… - Psychiatry Research …, 2015 - Elsevier
Mu-opioid receptor agonists alter brain glutamate (GLU) levels in laboratory animals. This
clinical study used proton magnetic resonance spectroscopy (1 H MRS) to examine regional …

[HTML][HTML] Accumbal-thalamic connectivity and associated glutamate alterations in human cocaine craving: A state-dependent rs-fMRI and 1H-MRS study

EJE Engeli, AG Russo, S Ponticorvo, N Zoelch… - NeuroImage: Clinical, 2023 - Elsevier
Craving is a core symptom of cocaine use disorder and a major factor for relapse risk. To
date, there is no pharmacological therapy to treat this disease or at least to alleviate cocaine …