Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27677
Title: Fluoxetine Induces Proliferation and Inhibits Differentiation of Hypothalamic Neuroprogenitor Cells In Vitro
Authors: Sousa-Ferreira, Lígia 
Aveleira, Célia 
Botelho, Mariana 
Álvaro, Ana Rita 
Almeida, Luís Pereira de 
Cavadas, Cláudia 
Issue Date: 5-Mar-2014
Publisher: PLOS
Citation: SOUSA-FERREIRA, Lígia [et. al] - Fluoxetine Induces Proliferation and Inhibits Differentiation of Hypothalamic Neuroprogenitor Cells In Vitro. "PLOS one". ISSN 1932-6203. Vol. 9 Nº. 3 (2014) p. e88917
Serial title, monograph or event: PLOS one
Volume: 9
Issue: 3
Abstract: A significant number of children undergo maternal exposure to antidepressants and they often present low birth weight. Therefore, it is important to understand how selective serotonin reuptake inhibitors (SSRIs) affect the development of the hypothalamus, the key center for metabolism regulation. In this study we investigated the proliferative actions of fluoxetine in fetal hypothalamic neuroprogenitor cells and demonstrate that fluoxetine induces the proliferation of these cells, as shown by increased neurospheres size and number of proliferative cells (Ki-67+ cells). Moreover, fluoxetine inhibits the differentiation of hypothalamic neuroprogenitor cells, as demonstrated by decreased number of mature neurons (Neu-N+ cells) and increased number of undifferentiated cells (SOX-2+ cells). Additionally, fluoxetine-induced proliferation and maintenance of hypothalamic neuroprogenitor cells leads to changes in the mRNA levels of appetite regulator neuropeptides, including Neuropeptide Y (NPY) and Cocaine-and-Amphetamine-Regulated-Transcript (CART). This study provides the first evidence that SSRIs affect the development of hypothalamic neuroprogenitor cells in vitro with consequent alterations on appetite neuropeptides.
URI: http://hdl.handle.net/10316/27677
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0088917
Rights: openAccess
Appears in Collections:FFUC- Artigos em Revistas Internacionais
I&D CNC - Artigos em Revistas Internacionais

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