Neurobiological mechanisms underlying psychostimulant use

RR Campbell, MK Lobo - Current Opinion in Neurobiology, 2023 - Elsevier
Rates of individuals struggling with psychostimulant use disorder (PSUD), defined as
chronic use of psychostimulants despite negative consequences, are growing rapidly over …

[HTML][HTML] Convergent actions of stress and stimulants via epigenetic regulation of neural circuitry

MD Murphy, EA Heller - Trends in neurosciences, 2022 - cell.com
The dorsal striatum integrates prior and current information to guide appropriate decision-
making. Chronic stress and stimulant exposure interferes with decision-making, and can …

Transcriptional signatures of heroin intake and relapse throughout the brain reward circuitry in male mice

CJ Browne, R Futamura, A Minier-Toribio, EM Hicks… - Science …, 2023 - science.org
Opioid use disorder (OUD) looms as one of the most severe medical crises facing society.
More effective therapeutics will require a deeper understanding of molecular changes …

[HTML][HTML] Distinct subpopulations of D1 medium spiny neurons exhibit unique transcriptional responsiveness to cocaine

RA Phillips III, JJ Tuscher, ND Fitzgerald, E Wan… - Molecular and Cellular …, 2023 - Elsevier
Drugs of abuse increase extracellular concentrations of dopamine in the nucleus
accumbens (NAc), resulting in transcriptional alterations that drive long-lasting cellular and …

[HTML][HTML] A multivariate regressor of patterned dopamine release predicts relapse to cocaine

MÁ Luján, BL Oliver, R Young-Morrison, SA Engi… - Cell Reports, 2023 - cell.com
Understanding mesolimbic dopamine adaptations underlying vulnerability to drug relapse is
essential to inform prognostic tools for effective treatment strategies. However, technical …

Decoding cocaine-induced proteomic adaptations in the mouse nucleus accumbens

P Mews, L Sosnick, A Gurung, S Sidoli, EJ Nestler - Science Signaling, 2024 - science.org
Cocaine use disorder (CUD) is a chronic neuropsychiatric condition that results from
enduring cellular and molecular adaptations. Among substance use disorders, CUD is …

Abstinence-dependent effects of long-access cocaine self-administration on nucleus accumbens astrocytes are observed in male, but not female, rats

R Kim, A Testen, EV Harder, NE Brown, EA Witt… - Eneuro, 2022 - eneuro.org
Accumulating evidence indicates significant consequences for astrocytes associated with
drug abuse. For example, reductions in structural features and synaptic colocalization of …

The transcriptional response to acute cocaine is inverted in male mice with a history of cocaine self-administration and withdrawal throughout the mesocorticolimbic …

SD Emerson, M Chevée, P Mews… - Molecular and Cellular …, 2023 - Elsevier
A large body of work has demonstrated that cocaine-induced changes in transcriptional
regulation play a central role in the onset and maintenance of cocaine use disorder. An …

Early life adversity: Epigenetic regulation underlying drug addiction susceptibility

JJ Winter, KL Rodríguez-Acevedo, M Dittrich… - Molecular and Cellular …, 2023 - Elsevier
Drug addiction is a leading cause of disability worldwide, with more than 70,000 Americans
dying from drug overdose in 2019 alone. While only a small percentage of chronic drug …

Cocaine regulation of Nr4a1 chromatin bivalency and mRNA in male and female mice

DK Fischer, KS Krick, C Han, MT Woolf, EA Heller - Scientific Reports, 2022 - nature.com
Cocaine epigenetically regulates gene expression via changes in histone post-translational
modifications (HPTMs). We previously found that the immediate early gene Nr4a1 is …