Stimulant-induced dopamine increases are markedly blunted in active cocaine abusers

ND Volkow, D Tomasi, GJ Wang, J Logan… - Molecular …, 2014 - nature.com
Dopamine signaling in nucleus accumbens is essential for cocaine reward. Interestingly,
imaging studies have reported blunted dopamine increases in striatum (assessed as …

[HTML][HTML] Incubation of cocaine craving coincides with changes in dopamine terminal neurotransmission

IP Alonso, BM O'Connor, KG Bryant… - Addiction …, 2022 - Elsevier
Relapse to drug use is one of the major challenges in treating substance use disorders.
Exposure to drug-related cues and contexts triggers drug craving, which drives cocaine …

Behavioral and neural manifestations of reward memory in carriers of low-expressing versus high-expressing genetic variants of the dopamine D2 receptor

A Richter, A Barman, T Wüstenberg, J Soch… - Frontiers in …, 2017 - frontiersin.org
Dopamine is critically important in the neural manifestation of motivated behavior, and
alterations in the human dopaminergic system have been implicated in the etiology of …

Do gene expression findings from mouse models of cocaine use recapitulate human cocaine use disorder in reward circuitry?

SB Huggett, JA Bubier, EJ Chesler… - Genes, Brain and …, 2021 - Wiley Online Library
Animal models of drug use have investigated possible mechanisms governing human
substance use traits for over 100 years. Most cross‐species research on drug use/addiction …

Overlapping patterns of brain activation to food and cocaine cues in cocaine abusers: association to striatal D2/D3 receptors

D Tomasi, GJ Wang, R Wang, EC Caparelli… - Human brain …, 2015 - Wiley Online Library
Cocaine, through its activation of dopamine (DA) signaling, usurps pathways that process
natural rewards. However, the extent to which there is overlap between the networks that …

Brief intermittent cocaine self-administration and abstinence sensitizes cocaine effects on the dopamine transporter and increases drug seeking

ES Calipari, CA Siciliano, BA Zimmer… - …, 2015 - nature.com
Although traditional sensitization paradigms, which result in an augmentation of cocaine-
induced locomotor behavior and dopamine (DA) overflow following repeated experimenter …

[HTML][HTML] Cocaine-conditioned odor cues without chronic exposure: Implications for the development of addiction vulnerability

SB Lowen, ML Rohan, TE Gillis, BS Thompson… - NeuroImage: Clinical, 2015 - Elsevier
Adolescents are highly vulnerable to addiction and are four times more likely to become
addicted at first exposure than at any other age. The dopamine D1 receptor, which is …

Evidence of long-term expression of behavioral sensitization to both cocaine and ethanol in dopamine transporter knockout mice

E Morice, C Denis, B Giros, M Nosten-Bertrand - Psychopharmacology, 2010 - Springer
Introduction Locomotor sensitization, defined as the progressive and enduring enhancement
of the motor stimulant effects elicited by repeated exposure to drugs of abuse, is the …

Neural markers of genetic vulnerability to drug addiction

DJ Müller, O Likhodi, A Heinz - Behavioral neuroscience of drug addiction, 2010 - Springer
This chapter will summarize genetics findings derived from various strategies and highlight
important neural markers (or correlates) in some specific and extensively studied genes …

Ventral midbrain correlation between genetic variation and expression of the dopamine transporter gene in cocaine‐abusing versus non‐abusing subjects

Y Zhou, SK Michelhaugh, CJ Schmidt, JS Liu… - Addiction …, 2014 - Wiley Online Library
Altered activity of the human dopamine transporter gene (hDAT) is associated with several
common and severe brain disorders, including cocaine abuse. However, there is little a …