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Effects of ADHD therapeutic agents, methylphenidate and atomoxetine, on hippocampal neurogenesis in the adolescent mouse dentate gyrus.
MedLine Citation:
PMID:  22841697     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Methylphenidate (MPH) and atomoxetine (ATX) are commonly used as attention-deficit/hyperactivity disorder (ADHD) therapeutic agents. In the present study, we investigated the effects of MPH and ATX on cell proliferation and neuronal differentiation in the dentate gyrus (DG) of the adolescent mouse by 5-bromo-2'-deoxyuridine (BrdU) and doublecortin (DCX) immunohistochemistry. BrdU-positive ((+)) cells, DCX(+) cells and BrdU(+)/NeuN(+) neurons (BrdU(+) cells with NeuN immunoreaction) were easily detected in the subgranular zone (SGZ) of the DG in the vehicle-, MPH- and ATX-treated groups. Among them, only in the 10mg/kg MPH-treated group, the numbers of BrdU(+), DCX(+) and BrdU(+)/NeuN(+) cells were significantly increased compared to those in the vehicle-treated group. In addition, brain-derived neurotrophic factor (BDNF) level was significantly increased in 10mg/kg MPH-treated group, not in the other experimental groups, compared to the vehicle-treated group. These results indicate that MPH, not ATX, can enhance cell proliferation and neuroblast differentiation in the SGZ of the DG via increasing BDNF level.
Authors:
Tae Hun Lee; Choong Hyun Lee; In Hye Kim; Bing Chun Yan; Joon Ha Park; Seung-Hae Kwon; Ok Kyu Park; Ji Hyeon Ahn; Jun Hwi Cho; Moo-Ho Won; Sung Koo Kim
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-24
Journal Detail:
Title:  Neuroscience letters     Volume:  -     ISSN:  1872-7972     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7600130     Medline TA:  Neurosci Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ireland Ltd.
Affiliation:
Department of Emergency Medicine, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University, Chuncheon 200-702, South Korea.
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