Abstract
AbstractLithium has been demonstrated to increase neurogenesis in the dentate gyrus of rodent hippocampus. The present study was undertaken to investigate the effects of lithium on the proliferation and differentiation of rat neural progenitor cells in hippocampus bothin vitroandin vivo. Lithium chloride (1–3 mm) produced a significant increase in the number of bromodeoxyuridine (BrdU)‐positive cells in high‐density cultures, but did not increase clonal size in low‐density cultures. Lithium chloride at 1 mm(within the therapeutic range) also increased the number of cells double‐labeled with BrdU antibody and TuJ1 (a class III β‐tubulin antibody) in high‐density cultures and the number of TuJ1‐positive cells in a clone of low‐density cultures, whereas it decreased the number of glial fibrillary acidic protein‐positive cells in both cultures. These results suggest that lithium selectively increased differentiation of neuronal progenitors. These actions of lithium appeared to enhance a neuronal subtype, calbindinD28k‐positive cells, and involved a phosphorylated extracellular signal‐regulated kinase and phosphorylated cyclic AMP response element‐binding protein‐dependent pathway bothin vitroandin vivo. These findings suggest that lithium in therapeutic amounts may elicit its beneficial effects via facilitation of neural progenitor differentiation toward a calbindinD28k‐positive neuronal cell type.
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Dates
Type | When |
---|---|
Created | 18 years, 11 months ago (Sept. 21, 2006, 5:35 a.m.) |
Deposited | 1 year, 11 months ago (Sept. 27, 2023, 2:08 a.m.) |
Indexed | 11 months, 3 weeks ago (Sept. 11, 2024, 11:07 p.m.) |
Issued | 21 years, 5 months ago (March 22, 2004) |
Published | 21 years, 5 months ago (March 22, 2004) |
Published Online | 21 years, 5 months ago (March 22, 2004) |
Published Print | 21 years, 5 months ago (April 1, 2004) |
@article{Kim_2004, title={Lithium selectively increases neuronal differentiation of hippocampal neural progenitor cells bothin vitroandin vivo}, volume={89}, ISSN={1471-4159}, url={http://dx.doi.org/10.1046/j.1471-4159.2004.02329.x}, DOI={10.1046/j.1471-4159.2004.02329.x}, number={2}, journal={Journal of Neurochemistry}, publisher={Wiley}, author={Kim, Jin Seuk and Chang, Mi‐Yoon and Yu, In Tag and Kim, Ju Hee and Lee, Sang‐Hun and Lee, Yong‐Sung and Son, Hyeon}, year={2004}, month=mar, pages={324–336} }