ReviewPharmacology & therapeutics2007
Dynorphin and the pathophysiology of drug addiction.
Review in Pharmacology & therapeutics, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 226 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
226 citing papers in PubMed, 1 synthesis or guideline pooled it, 382 citations in OpenAlex.
- A review of the kappa opioid receptor system in opioid use.Neuroscience and biobehavioral reviews · 2024Pooled it
- HSK21542 in patients with postoperative pain: two phase 3, multicentre, double-blind, randomized, controlled trials.Nature communications · 2025Trial
- Pharmacological differentiation of opioid receptor antagonists by molecular and functional imaging of target occupancy and food reward-related brain activation in humans.Molecular psychiatry · 2011Trial
- Article
- Brixadi for Stimulant Use Disorder: Evolving Pharmacologic Considerations and Clinical Implications.Advances in therapy · 2026Review
- The effect of clavulanic acid on the development of tolerance and dependence induced by morphine in mice: role of DRD2 and NR1 genes, oxidative stress, and GDNF protein.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- Dopamine D2 Receptors, D1/D2 Receptor Heteromers and CaMKII Signaling in the Neurobiology of Drug Addiction.Molecular neurobiology · 2026Review
- Adapter protein 2-modulatedActa pharmacologica Sinica · 2026Article
- Dopamine D2 Receptor and Dopamine Transporter mRNA Expression in Addicted Peripheral Blood Lymphocytes.Addiction & health · 2026Article
- Serotonin-dopamine interactions in psychostimulant-induced gene regulation: SSRI antidepressants potentiate gene regulation by methylphenidate (Ritalin) in the striatum and enhance behavioral profile indicative of addiction liability in rodents.Neuroscience and biobehavioral reviews · 2025Review
- Spatiomolecular mapping reveals anatomical organization of heterogeneous cell types in the human nucleus accumbens.bioRxiv : the preprint server for biology · 2025Article
- Melanin-Concentrating Hormone (MCH): Role in Mediating Reward-Motivated and Emotional Behavior and the Behavioral Disturbances Produced by Repeated Exposure to Reward Substances.International journal of molecular sciences · 2025Review
- Vilazodone, a Novel SSRI Antidepressant with 5-HT1A Partial Agonist Properties: Diminished Potentiation of Chronic Oral Methylphenidate-Induced Dynorphin Expression in the Striatum in Adolescent Male Rats.Molecular neurobiology · 2025Article
- The ultrasonic vocalization (USV) syllable profile during neonatal opioid withdrawal and a kappa opioid receptor component to increased USV emissions in female mice.Psychopharmacology · 2025Article
- The Dynorphin/-Opioid Receptor System at the Interface of Hyperalgesia/Hyperkatifeia and Addiction.Current addiction reports · 2025Review
- The ultrasonic vocalization (USV) syllable profile during neonatal opioid withdrawal and a kappa opioid receptor component to increased USV emissions in female mice.bioRxiv : the preprint server for biology · 2024Article
- Article
- LY2444296, a κ-opioid receptor antagonist, selectively reduces alcohol drinking in male and female Wistar rats with a history of alcohol dependence.Scientific reports · 2024Article
- Opioidergic tuning of social attachment: reciprocal relationship between social deprivation and opioid abuse.Frontiers in neuroanatomy · 2024Review
- Chronic oral methylphenidate plus fluoxetine treatment in adolescent rats increases cocaine self-administration.Addiction neuroscience · 2023Article
166 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Drug addiction is a chronic relapsing disease in which drug administration becomes the primary stimulus that drives behavior regardless of the adverse consequence that may ensue. As drug use becomes more compulsive, motivation for natural rewards that normally drive behavior decreases. The discontinuation of drug use is associated with somatic signs of withdrawal, dysphoria, anxiety, and anhedonia. These consequences of drug use are thought to contribute to the maintenance of drug use and to the reinstatement of compulsive drug use that occurs during the early phase of abstinence. Even, however, after prolonged periods of abstinence, 80-90% of human addicts relapse to addiction, suggesting that repeated drug use produces enduring changes in brain circuits that subserve incentive motivation and stimulus-response (habit) learning. A major goal of addiction research is the identification of the neural mechanisms by which drugs of abuse produce these effects. This article will review data showing that the dynorphin/kappa-opioid receptor (KOPr) system serves an essential function in opposing alterations in behavior and brain neurochemistry that occur as a consequence of repeated drug use and that aberrant activity of this system may not only contribute to the dysregulation of behavior that characterizes addiction but to individual differences in vulnerability to the pharmacological actions of cocaine and alcohol. We will provide evidence that the repeated administration of cocaine and alcohol up-regulates the dynorphin/KOPr system and that pharmacological treatments that target this system may prove effective in the treatment of drug addiction.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.