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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Chang, Eun-Ah Beyhan, Zeki Yoo, Myung-Sik Siripattarapravat, Kannika Ko, Tak Lookingland, Keith J. Madhukar, Burra V. Cibelli, Jose B. |
| Description | Country affiliation: United States Author Affiliation: Chang EA ( Animal Science, Michigan State University, East Lansing, MI 48824, USA.) |
| Abstract | Previous reports have shown that antidepressants increase neuronal cell proliferation and enhance neuroplasticity both in vivo and in vitro. This study investigated the direct effects of one such antidepressant, fluoxetine , on cell proliferation and on the production of neurotrophic factors in neuronal precursors derived from human embryonic stem cells (hESCs; H9). Fluoxetine induced the differentiation of neuronal precursors, strongly enhancing neuronal characteristics. The rate of proliferation was higher in fluoxetine -treated cells than in control cells, as determined by MTT [3(4,5-dimethylthiazol-2-yl) 2,5-diphenyltetrazolium bromide] assay. The CPDL (cumulative population doubling level) of the fluoxetine-treated cells was significantly increased in comparison to that of control cells (p<.001). Bromodeoxyuridine incorporation and staurosporine-induced apoptosis assays were elevated in fluoxetine-treated cells. Quantitative RT-PCR analysis revealed no significant differences in the expression of neurotrophic factors, brain-derived neurotrophic factor (BDNF);glial-derived neurotrophic factor (GDNF) and cAMP-responsive element-binding protein (CREB) between cells treated with fluoxetine for two weeks and their untreated counterparts. These results may help elucidate the mechanism of action of fluoxetine as a therapeutic drug for the treatment of depression. Data presented herein provide more evidence that, in addition to having a direct chemical effect on serotonin levels, fluoxetine can influence hESC-derived neuronal cells by increasing cell proliferation, while allowing them to maintain their neuronal characteristics. |
| File Format | HTM / HTML |
| ISSN | 02146282 |
| e-ISSN | 16963547 |
| Journal | The International Journal of Developmental Biology |
| Issue Number | 4 |
| Volume Number | 54 |
| Language | English |
| Publisher | University of the Basque Country Press |
| Publisher Date | 2010-01-01 |
| Publisher Place | Spain |
| Access Restriction | Open |
| Subject Keyword | Discipline Embryology Discipline Biology Antidepressive Agents, Second-generation Pharmacology Embryonic Stem Cells Physiology Fluoxetine Neurons Apoptosis Drug Effects Brain-derived Neurotrophic Factor Genetics Metabolism Bromodeoxyuridine Cell Differentiation Cell Line Cell Proliferation Cyclic Amp Response Element-binding Protein Depressive Disorder Embryo, Mammalian Nerve Growth Factors Neuronal Plasticity Reverse Transcriptase Polymerase Chain Reaction Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Developmental Biology Embryology |
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