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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Down-regulation of Jagged-1 induces cell growth inhibition and S phase arrest in prostate cancer cells.

Notch is an ancient cell signaling system that regulates cell fate specification, stem cell maintenance and initiation of differentiation in many tissues. It has been reported that Jagged-1, a Notch ligand, is significantly over expressed in metastatic prostate cancer compared to localized prostate cancer or benign prostatic tissues. Therefore, deregulation of Jagged-1 protein levels may play a role in prostate cancer cell growth and progression. Hence, the aim of our current study was to investigate the mechanistic role of Jagged-1 in prostate cancer cell growth and cell cycle progression. Our results show, for the first time, that down-regulation of Jagged-1 induces cell growth inhibition and S phase cell cycle arrest in prostate cancer cells, with reduced CDK2 kinase activity and increased p27 expression. These results suggest that Jagged-1 could be a potential therapeutic target for the treatment of prostate cancer. (c) 2006 Wiley-Liss, Inc.[1]

References

  1. Down-regulation of Jagged-1 induces cell growth inhibition and S phase arrest in prostate cancer cells. Zhang, Y., Wang, Z., Ahmed, F., Banerjee, S., Li, Y., Sarkar, F.H. Int. J. Cancer (2006) [Pubmed]
 
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