Epigenetic mechanisms in drug relapse

CT Werner, RD Altshuler, Y Shaham, X Li - Biological Psychiatry, 2021 - Elsevier
A growing body of evidence from the past 15 years implicates epigenetic mechanisms in the
behavioral effects of addictive drugs. The main focus of these studies has been epigenetic …

Signals from the fourth dimension regulate drug relapse

PJ Mulholland, LJ Chandler, PW Kalivas - Trends in neurosciences, 2016 - cell.com
Despite the enormous societal burden of alcohol and drug addiction and abundant research
describing drug-induced maladaptive synaptic plasticity, there are few effective strategies for …

Molecular, circuit, and stress response characterization of ventral pallidum Npas1-neurons

G Morais-Silva, RR Campbell, H Nam… - Journal of …, 2023 - Soc Neuroscience
Altered activity of the ventral pallidum (VP) underlies disrupted motivation in stress and drug
exposure. The VP is a very heterogeneous structure composed of many neuron types with …

Drp1 mitochondrial fission in D1 neurons mediates behavioral and cellular plasticity during early cocaine abstinence

R Chandra, M Engeln, C Schiefer, MH Patton… - Neuron, 2017 - cell.com
Altered brain energy homeostasis is a key adaptation occurring in the cocaine-addicted
brain, but the effect of cocaine on the fundamental source of energy, mitochondria, is …

A chromosomal connectome for psychiatric and metabolic risk variants in adult dopaminergic neurons

S Espeso-Gil, T Halene, J Bendl, B Kassim… - Genome medicine, 2020 - Springer
Background Midbrain dopaminergic neurons (MDN) represent 0.0005% of the brain's
neuronal population and mediate cognition, food intake, and metabolism. MDN are also …

Bidirectional synaptic structural plasticity after chronic cocaine administration occurs through Rap1 small GTPase signaling

ME Cahill, RC Bagot, AM Gancarz, DM Walker, HS Sun… - Neuron, 2016 - cell.com
Dendritic spines are the sites of most excitatory synapses in the CNS, and opposing
alterations in the synaptic structure of medium spiny neurons (MSNs) of the nucleus …

Neuroadaptations in the dorsal hippocampus underlie cocaine seeking during prolonged abstinence

CT Werner, S Mitra, BD Auerbach… - Proceedings of the …, 2020 - National Acad Sciences
Relapse vulnerability in substance use disorder is attributed to persistent cue-induced drug
seeking that intensifies (or “incubates”) during drug abstinence. Incubated cocaine seeking …

Transcriptional mechanisms of drug addiction

P Bali, PJ Kenny - Dialogues in Clinical Neuroscience, 2019 - Taylor & Francis
Drugs of abuse can modify gene expression in brain reward and motivation centers, which
contribute to the structural and functional remodeling of these circuits that impacts the …

Role of long noncoding RNA Gas5 in cocaine action

H Xu, AN Brown, NJ Waddell, X Liu, GJ Kaplan… - Biological …, 2020 - Elsevier
Abstract Background Long noncoding RNAs (lncRNAs) are a class of transcribed RNA
molecules greater than 200 nucleotides in length. Although lncRNAs do not encode …

Transcriptome profiling of the ventral pallidum reveals a role for pallido-thalamic neurons in cocaine reward

M Engeln, ME Fox, R Chandra, EY Choi, H Nam… - Molecular …, 2022 - nature.com
Psychostimulant exposure alters the activity of ventral pallidum (VP) projection neurons.
However, the molecular underpinnings of these circuit dysfunctions are unclear. We used …