Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Nicotine dependence].

F Lebargy1

  • 1Département des maladies respiratoires et allergiques, CHU Maison Blanche, 45 rue Cognacq-Jay, 51092 Reims, France. flebargy@chu-reims.fr

Revue De Pneumologie Clinique
|July 6, 2000
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Lung toxicity related to trimethoprim/sulfamethoxazole: pharmacovigilance data review.

The Journal of antimicrobial chemotherapy·2025
Same author

[Medicolegal litigation in cases of occupational lung disease: Some practical tips].

Revue des maladies respiratoires·2023
Same author

[French practical guidelines for the diagnosis and management of IPF - 2021 update, full version].

Revue des maladies respiratoires·2022
Same author

[French practical guidelines for the diagnosis and management of IPF - 2021 update, short version].

Revue des maladies respiratoires·2022
Same author

[Treatment of GERD in asthma].

Revue des maladies respiratoires·2021
Same author

An unusual cause of calcified pulmonary opacity: A metastasis of a benign giant cell tumour of bone.

Respiratory medicine and research·2020
Same journal

[Respiratory Medicine and Research: The new SPLF's anglophone journal].

Revue de pneumologie clinique·2018
Same journal

[Medical journals publication: Let's change].

Revue de pneumologie clinique·2018
Same journal

[Multiple ulcerated tracheobronchial mucosal lesions in the eosinophilic granulomatosis with polyangiitis].

Revue de pneumologie clinique·2018
Same journal

[Medium and long-term respiratory outcome in patients operated from congenital diaphragmatic hernia: From a series of 56 patients].

Revue de pneumologie clinique·2018
Same journal

[Sporadic lymphangioleiomyomatosis: A rare cause of bilateral spontaneous pneumothorax in young woman].

Revue de pneumologie clinique·2018
Same journal

[COPD and smoking cessation: Patients' expectations and responses of health professionals].

Revue de pneumologie clinique·2018
See all related articles

Nicotine dependence stems from its brain effects on dopamine pathways. Nicotine replacement therapy and certain psychotropics aid smoking cessation by modulating these pathways.

Area of Science:

  • Neuroscience
  • Pharmacology

Context:

  • Nicotine, the primary alkaloid in tobacco, drives dependence through its psychoactive effects.
  • It targets nicotinic receptors in the brain's mesolimbic and mesocortical dopaminergic pathways.

Purpose:

  • To elucidate the neurobiological mechanisms underlying nicotine dependence and withdrawal.
  • To evaluate the efficacy of therapeutic interventions for smoking cessation.

Summary:

  • Nicotine acutely increases dopamine release in the brain's accumbens, but chronic exposure leads to receptor desensitization and reduced dopamine.
  • Neuroadaptation in regular smokers involves increased nicotinic receptors. Withdrawal symptoms arise from receptor resensitization as nicotine levels drop.
  • Nicotinic substitutes and psychotropic medications, likely by increasing cerebral dopamine, show significant one-year abstinence rates (20-30%).

Related Experiment Videos

Impact:

  • Understanding these mechanisms supports the development of more effective smoking cessation strategies.
  • Combined therapies show increased success rates, offering hope for individuals struggling with tobacco dependence.