The negative affective state of opiate abstinence plays an important role in craving and relapse to compulsive drug use. The dopamine system participates in the reward effects of opiate use and the aversive effect of opiate abstinence. The amygdala is an essential neural substrate for associative learning of emotion. To establish a model of conditioned place aversion (CPA) in morphine-treated r...

Opiate reward memories are powerful triggers for compulsive opiate-seeking behaviors. The basolateral amygdala (BLA) is an important structure for the processing of opiate-related associative memories and is functionally linked to the mesolimbic dopamine (DA) pathway. Transmission through intra-BLA DA D1-like and D2-like receptors independently modulates the formation of opiate reward memories ...

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Panic disorder is a highly prevalent neuropsychiatric disorder that shows co-occurrence with substance abuse. Here, we demonstrate that TrkC, the high-affinity receptor for neurotrophin-3, is a key molecule involved in panic disorder and opiate dependence, using a transgenic mouse model (TgNTRK3). Constitutive TrkC overexpression in TgNTRK3 mice dramatically alters spontaneous firing rates of l...

INTRODUCTION The recent discoveries of the existence of opiate receptors and of endogenous opioid peptides in the central nervous system of animals and man have raised hopes that an understanding of the molecular mechanism of drug addiction may soon be achieved. It is clear from the title of this chapter that that day is not yet here. I will give a brief chronological review of the significant ...

The purpose of this study was to investigate whether there are differences in overall and cause-specific mortality rates of opiate users in maintenance treatment and of opiate users not in any drug treatment program in Vienna, Austria. A cohort of opiate-users enrolled in maintenance treatment in Vienna and a cohort of individuals involved in opiate-related emergencies from 1995 to 1997 were re...