Publication year
2014Source
Expert Opinion on Drug Discovery, 9, 11, (2014), pp. 1293-306ISSN
Publication type
Article / Letter to editor
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Organization
Cognitive Neuroscience
Journal title
Expert Opinion on Drug Discovery
Volume
vol. 9
Issue
iss. 11
Page start
p. 1293
Page end
p. 306
Subject
Radboudumc 13: Stress-related disorders DCMN: Donders Center for Medical NeuroscienceAbstract
INTRODUCTION: There are currently no treatments approved by the FDA to effectively treat cocaine dependence. Research of recent years has gradually revealed the importance of 5-hydroxytryptamine (5-HT) in the reinforcing and rewarding effects of cocaine and the potential for relapse. Brain-derived neurotropic factor (BDNF) is an important modulator of the serotonergic system and 5-HT modulates BDNF expression. Their reciprocal interaction is of crucial importance for synaptic plasticity during long-term cocaine intake. Thus, agents modifying BDNF-5-HT interactions might have therapeutic potential for cocaine dependence by reversing the altered brain structure that underlies relapse after cocaine withdrawal. AREAS COVERED: On the basis of the available literature, the authors propose an interaction between BDNF and the serotonergic system in the response to cocaine and during cocaine intake. Furthermore, they discuss putative therapies that are based on 5-HT and BDNF. EXPERT OPINION: Recent studies are beginning to elucidate the role of 5-HT and BDNF in cocaine addiction. Additionally, animal studies modeling addiction-like drug intake will only further help to gain a better understanding of how to treat cocaine addiction. Based on the current evidence, the authors believe that BDNF, as a modulator of the serotonergic pathway, or 5-HT, as a modulator of the BDNF system, represent a valuable target to treat drug addiction, which may yield novel therapeutics in the future.
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