Document Detail


Regulation of Neural Progenitor Cell Proliferation by D609: Potential Role for ERK.
MedLine Citation:
PMID:  23275176     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Tricyclodecan-9-yl-xanthogenate (D609) has been shown to possess both neuroprotective and anti-proliferative properties. We investigated the role of D609 in reducing the proliferation of neural progenitor cells in vitro. D609 decreased the expression of cyclin D1 after 1 day but not 2 or 4 days in culture, indicating the possible degradation/inactivation of drug in the medium. Consistent with this notion, spectral analysis showed the maximum absorbance of D609 (100 μM) at 300 nm, which decreased by ~30 % following incubation at 37 °C for 24 h. Further experiments revealed that incubation of neural progenitor cells with D609 decreased the phosphorylation of extracellular signal-regulated kinase (ERK) but not Akt. In addition, increasing the concentration of B27 (1-4 %), but not FGF2, diminished the effect of D609 on cell proliferation. These results together suggest that D609 may curtail the proliferation of neural progenitor cells by decreasing the ERK-mediated expression of cyclin D1 and may have a therapeutic potential in containing the proliferation of tumor stem cells.
Authors:
Haviryaji S G Kalluri; Anchal Gusain; Robert J Dempsey
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-12-30
Journal Detail:
Title:  Molecular neurobiology     Volume:  -     ISSN:  1559-1182     ISO Abbreviation:  Mol. Neurobiol.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8900963     Medline TA:  Mol Neurobiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Neurological Surgery, University of Wisconsin, Madison, WI, 53792, USA, h.kalluri@neurosurg.wisc.edu.
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