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  R-Modafinil Attenuates Nicotine-Taking and Seeking

Submitter: [anonymous]
Category: News / Articles - Health / Medical
exhibition Date: 2018-02-22 19:11:35
Last Update: 2018-03-07 03:47:35
Views: 78
Score: 5.00 / 5.00 (Based on 2 votes.)
 
Neuropsychopharmacology
Nature Publishing Group
R-Modafinil Attenuates Nicotine-Taking and Nicotine-Seeking Behavior in Alcohol-Preferring Rats
Xiao-Fei Wang, Guo-Hua Bi, [...], and Amy Hauck Newman

Additional article information

Abstract
(±)-Modafinil (MOD) is used clinically for the treatment of sleep disorders and has been investigated as a potential medication for the treatment of psychostimulant addiction. However, the therapeutic efficacy of (±)-MOD for addiction is inconclusive. Herein we used animal models of self-administration and in vivo microdialysis to study the pharmacological actions of R-modafinil (R-MOD) and S-modafinil (S-MOD) on nicotine-taking and nicotine-seeking behavior, and mechanisms underlying such actions. We found that R-MOD is more potent and effective than S-MOD in attenuating nicotine self-administration in Long–Evans rats. As Long–Evans rats did not show a robust reinstatement response to nicotine, we used alcohol-preferring rats (P-rats) that display much higher reinstatement responses to nicotine than Long–Evans rats. We found that R-MOD significantly inhibited intravenous nicotine self-administration, nicotine-induced reinstatement, and nicotine-associated cue-induced drug-seeking behavior in P-rats. R-MOD alone neither sustained self-administration in P-rats previously self-administering nicotine nor reinstated extinguished nicotine-seeking behavior. The in vivo brain microdialysis assays demonstrated that R-MOD alone produced a slow-onset moderate increase in extracellular DA. Pretreatment with R-MOD dose-dependently blocked nicotine-induced dopamine (DA) release in the nucleus accumbens (NAc) in both naive and nicotine self-administrating rats, suggesting a DA-dependent mechanism underlying mitigation of nicotine\'s effects. In conclusion, the present findings support further investigation of R-MOD for treatment of nicotine dependence in humans

     
  Moringa Teas

Submitter: Nicholai
Category: News / Articles - Health / Medical
exhibition Date: 2017-09-19 18:25:17
Views: 103
Score: (not yet rated)
 
Moringa Herbs teas fight cancer, aging and disease.

     
  Corazon caring

Submitter: [anonymous]
Category: News / Articles - Health / Medical
exhibition Date: 2017-08-20 14:22:56
Views: 164
Score: (not yet rated)
 
Health ,medical,transportation,laundry,nursing services

     
  Open-label, single-dose pharmacokinetic profile

Submitter: [anonymous]
Category: News / Articles - Health / Medical
exhibition Date: 2015-01-04 04:20:10
Views: 539
Score: (not yet rated)
 
Open-label, single-dose pharmacokinetic study of modafinil tablets: influence of age