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Showing 1 to 7 of 7 entries
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Addiction is a Reward Deficit and Stress Surfeit Disorder.

Frontiers in psychiatry

Koob GF.
PMID: 23914176
Front Psychiatry. 2013 Aug 01;4:72. doi: 10.3389/fpsyt.2013.00072. eCollection 2013.

Drug addiction can be defined by a three-stage cycle - binge/intoxication, withdrawal/negative affect, and preoccupation/anticipation - that involves allostatic changes in the brain reward and stress systems. Two primary sources of reinforcement, positive and negative reinforcement, have been hypothesized...

Neurobiology of dysregulated motivational systems in drug addiction.

Future neurology

Edwards S, Koob GF.
PMID: 20563312
Future Neurol. 2010 May 01;5(3):393-401. doi: 10.2217/fnl.10.14.

The progression from recreational drug use to drug addiction impacts multiple neurobiological processes and can be conceptualized as a transition from positive to negative reinforcement mechanisms driving both drug-taking and drug-seeking behaviors. Neurobiological mechanisms for negative reinforcement, defined as...

Hedonic Homeostatic Dysregulation as a Driver of Drug-Seeking Behavior.

Drug discovery today. Disease models

Koob GF.
PMID: 20054425
Drug Discov Today Dis Models. 2008;5(4):207-215. doi: 10.1016/j.ddmod.2009.04.002.

Drug addiction can be defined by a compulsion to seek and take drug and loss of control in limiting intake, and the excessive drug taking derives from multiple motivational mechanisms. One such mechanism is the emergence of a negative...

Differential changes in amygdala and frontal cortex Pde10a expression during acute and protracted withdrawal.

Frontiers in integrative neuroscience

Logrip ML, Zorrilla EP.
PMID: 24782725
Front Integr Neurosci. 2014 Apr 08;8:30. doi: 10.3389/fnint.2014.00030. eCollection 2014.

Alcohol use disorders are persistent problems with high recidivism rates despite repeated efforts to quit drinking. Neuroadaptations that result from alcohol exposure and that persist during periods of abstinence represent putative molecular determinants of the propensity to relapse. Previously...

The Neurobiology of Addiction: Where We Have Been and Where We Are Going.

Journal of drug issues

Koob GF, Simon EJ.
PMID: 20622969
J Drug Issues. 2009 Jan;39(1):115-132. doi: 10.1177/002204260903900110.

A number of dramatic breakthroughs in the neurobiology of addiction have occurred in the past 40 years. Two domains will be highlighted: the neurocircuitry of addiction and the molecular biology of addiction targets. The neurobiological substrates for the reinforcing...

Synthesis of protected norcysteines for SPPS compatible with Fmoc-strategy.

Tetrahedron letters

Samant MP, Rivier JE.
PMID: 19562100
Tetrahedron Lett. 2007 Jul 16;48(29):5107-5110. doi: 10.1016/j.tetlet.2007.05.082.

We report the synthesis of racemic Alloc-Ncy(Tmob)-OH, the resolution of its methyl ester, and demonstrate its application to form a norcystine bridge in octreotide-amide using the Fmoc-strategy on solid phase. N-Alloc and S-Tmob protections of norcysteine (Ncy) were found...

Evaluation of Alcohol Preference and Drinking in msP Rats Bearing a .

Frontiers in psychiatry

Logrip ML, Walker JR, Ayanwuyi LO, Sabino V, Ciccocioppo R, Koob GF, Zorrilla EP.
PMID: 29497387
Front Psychiatry. 2018 Feb 15;9:28. doi: 10.3389/fpsyt.2018.00028. eCollection 2018.

Alcoholism is a pervasive societal problem, yet available pharmacotherapies fail to treat most sufferers. The type 1 corticotropin-releasing factor (CRF

Showing 1 to 7 of 7 entries